Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 6953 insertions, 0 deletions

diff --git a/old-configure b/old-configure
new file mode 100644
index 0000000000..bee25f5198
--- /dev/null
+++ b/old-configure
@@ -0,0 +1,5600 @@
+#! /bin/sh
+
+if test `uname -s | grep -c "MINGW\|MSYS" 2>/dev/null` != "0"; then
+  msyshost=1
+fi
+
+
+# Read the user's .mozconfig script.  We can't do this in
+# configure.in: autoconf puts the argument parsing code above anything
+# expanded from configure.in, and we need to get the configure options
+# from .mozconfig in place before that argument parsing code.
+. $OLD_CONFIGURE_VARS
+
+# Guess values for system-dependent variables and create Makefiles.
+# Generated automatically using autoconf version 2.13 
+# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
+#
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+
+# Defaults:
+ac_help=
+ac_default_prefix=/usr/local
+# Any additions from configure.in:
+ac_help="$ac_help
+  --enable-official-branding
+                          Enable Official mozilla.org Branding
+                          Do not distribute builds with
+                          --enable-official-branding unless you have
+                          permission to use trademarks per
+                          http://www.mozilla.org/foundation/trademarks/ ."
+ac_help="$ac_help
+  --with-branding=dir     Use branding from the specified directory."
+ac_help="$ac_help
+  --with-distribution-id=ID
+                          Set distribution-specific id (default=org.mozilla)"
+ac_help="$ac_help
+  --with-macbundlename-prefix=prefix
+                          Prefix for MOZ_MACBUNDLE_NAME"
+
+# Initialize some variables set by options.
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+build=NONE
+cache_file=./config.cache
+exec_prefix=NONE
+host=NONE
+no_create=
+nonopt=NONE
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+site=
+srcdir=
+target=NONE
+verbose=
+x_includes=NONE
+x_libraries=NONE
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datadir='${prefix}/share'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+libdir='${exec_prefix}/lib'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+infodir='${prefix}/info'
+mandir='${prefix}/man'
+
+# Initialize some other variables.
+subdirs=
+MFLAGS= MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
+# Maximum number of lines to put in a shell here document.
+ac_max_here_lines=12
+
+ac_prev=
+for ac_option
+do
+
+  # If the previous option needs an argument, assign it.
+  if test -n "$ac_prev"; then
+    eval "$ac_prev=\$ac_option"
+    ac_prev=
+    continue
+  fi
+
+  case "$ac_option" in
+  -*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
+  *) ac_optarg= ;;
+  esac
+
+  # Accept the important Cygnus configure options, so we can diagnose typos.
+
+  case "$ac_option" in
+
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir="$ac_optarg" ;;
+
+  -build | --build | --buil | --bui | --bu)
+    ac_prev=build ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+    build="$ac_optarg" ;;
+
+  -cache-file | --cache-file | --cache-fil | --cache-fi \
+  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+    ac_prev=cache_file ;;
+  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+    cache_file="$ac_optarg" ;;
+
+  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
+  | --da=*)
+    datadir="$ac_optarg" ;;
+
+  -disable-* | --disable-*)
+    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
+    # Reject names that are not valid shell variable names.
+    if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
+      { echo "configure: error: $ac_feature: invalid feature name" 1>&2; echo "configure: error: $ac_feature: invalid feature name" 1>&5; exit 1; }
+    fi
+    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
+    eval "enable_${ac_feature}=no" ;;
+
+  -enable-* | --enable-*)
+    ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
+    # Reject names that are not valid shell variable names.
+    if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
+      { echo "configure: error: $ac_feature: invalid feature name" 1>&2; echo "configure: error: $ac_feature: invalid feature name" 1>&5; exit 1; }
+    fi
+    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
+    case "$ac_option" in
+      *=*) ;;
+      *) ac_optarg=yes ;;
+    esac
+    eval "enable_${ac_feature}='$ac_optarg'" ;;
+
+  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix="$ac_optarg" ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he)
+    # Omit some internal or obsolete options to make the list less imposing.
+    # This message is too long to be a string in the A/UX 3.1 sh.
+    cat << EOF
+Usage: configure [options] [host]
+Options: [defaults in brackets after descriptions]
+Configuration:
+  --cache-file=FILE       cache test results in FILE
+  --help                  print this message
+  --no-create             do not create output files
+  --quiet, --silent       do not print \`checking...' messages
+  --version               print the version of autoconf that created configure
+Directory and file names:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$ac_default_prefix]
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
+                          [same as prefix]
+  --bindir=DIR            user executables in DIR [EPREFIX/bin]
+  --sbindir=DIR           system admin executables in DIR [EPREFIX/sbin]
+  --libexecdir=DIR        program executables in DIR [EPREFIX/libexec]
+  --datadir=DIR           read-only architecture-independent data in DIR
+                          [PREFIX/share]
+  --sysconfdir=DIR        read-only single-machine data in DIR [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data in DIR
+                          [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data in DIR [PREFIX/var]
+  --libdir=DIR            object code libraries in DIR [EPREFIX/lib]
+  --includedir=DIR        C header files in DIR [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc in DIR [/usr/include]
+  --infodir=DIR           info documentation in DIR [PREFIX/info]
+  --mandir=DIR            man documentation in DIR [PREFIX/man]
+  --srcdir=DIR            find the sources in DIR [configure dir or ..]
+  --program-prefix=PREFIX prepend PREFIX to installed program names
+  --program-suffix=SUFFIX append SUFFIX to installed program names
+  --program-transform-name=PROGRAM
+                          run sed PROGRAM on installed program names
+EOF
+    cat << EOF
+Host type:
+  --build=BUILD           configure for building on BUILD [BUILD=HOST]
+  --host=HOST             configure for HOST [guessed]
+  --target=TARGET         configure for TARGET [TARGET=HOST]
+Features and packages:
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --x-includes=DIR        X include files are in DIR
+  --x-libraries=DIR       X library files are in DIR
+EOF
+    if test -n "$ac_help"; then
+      echo "--enable and --with options recognized:$ac_help"
+    fi
+    exit 0 ;;
+
+  -host | --host | --hos | --ho)
+    ac_prev=host ;;
+  -host=* | --host=* | --hos=* | --ho=*)
+    host="$ac_optarg" ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir="$ac_optarg" ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir="$ac_optarg" ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir="$ac_optarg" ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir="$ac_optarg" ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst \
+  | --locals | --local | --loca | --loc | --lo)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
+  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
+    localstatedir="$ac_optarg" ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir="$ac_optarg" ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir="$ac_optarg" ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix="$ac_optarg" ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix="$ac_optarg" ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix="$ac_optarg" ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name="$ac_optarg" ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir="$ac_optarg" ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir="$ac_optarg" ;;
+
+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site="$ac_optarg" ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir="$ac_optarg" ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir="$ac_optarg" ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target="$ac_optarg" ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers)
+    echo "configure generated by autoconf version 2.13"
+    exit 0 ;;
+
+  -with-* | --with-*)
+    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
+    # Reject names that are not valid shell variable names.
+    if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
+      { echo "configure: error: $ac_package: invalid package name" 1>&2; echo "configure: error: $ac_package: invalid package name" 1>&5; exit 1; }
+    fi
+    ac_package=`echo $ac_package| sed 's/-/_/g'`
+    case "$ac_option" in
+      *=*) ;;
+      *) ac_optarg=yes ;;
+    esac
+    eval "with_${ac_package}='$ac_optarg'" ;;
+
+  -without-* | --without-*)
+    ac_package=`echo $ac_option|sed -e 's/-*without-//'`
+    # Reject names that are not valid shell variable names.
+    if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
+      { echo "configure: error: $ac_package: invalid package name" 1>&2; echo "configure: error: $ac_package: invalid package name" 1>&5; exit 1; }
+    fi
+    ac_package=`echo $ac_package| sed 's/-/_/g'`
+    eval "with_${ac_package}=no" ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes="$ac_optarg" ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries="$ac_optarg" ;;
+
+  -*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&5; exit 1; }
+    ;;
+
+  *)
+    if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
+      echo "configure: warning: $ac_option: invalid host type" 1>&2
+    fi
+    if test "x$nonopt" != xNONE; then
+      { echo "configure: error: can only configure for one host and one target at a time" 1>&2; echo "configure: error: can only configure for one host and one target at a time" 1>&5; exit 1; }
+    fi
+    nonopt="$ac_option"
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  { echo "configure: error: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" 1>&2; echo "configure: error: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" 1>&5; exit 1; }
+fi
+
+trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
+
+# File descriptor usage:
+# 0 standard input
+# 1 file creation
+# 2 errors and warnings
+# 3 some systems may open it to /dev/tty
+# 4 used on the Kubota Titan
+# 6 checking for... messages and results
+# 5 compiler messages saved in config.log
+if test "$silent" = yes; then
+  exec 6>/dev/null
+else
+  exec 6>&1
+fi
+exec 5>>${CONFIG_LOG=./config.log}
+
+echo "\
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+" 1>&5
+
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Also quote any args containing shell metacharacters.
+ac_configure_args=
+for ac_arg
+do
+  case "$ac_arg" in
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c) ;;
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
+  *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
+  ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+  *) ac_configure_args="$ac_configure_args $ac_arg" ;;
+  esac
+done
+
+# NLS nuisances.
+# Only set these to C if already set.  These must not be set unconditionally
+# because not all systems understand e.g. LANG=C (notably SCO).
+# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
+# Non-C LC_CTYPE values break the ctype check.
+if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
+if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
+if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
+if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -rf conftest* confdefs.h
+# AIX cpp loses on an empty file, so make sure it contains at least a newline.
+echo > confdefs.h
+
+# A filename unique to this package, relative to the directory that
+# configure is in, which we can look for to find out if srcdir is correct.
+ac_unique_file=config/config.mk
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then its parent.
+  ac_prog=$0
+  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
+  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
+  srcdir=$ac_confdir
+  if test ! -r $srcdir/$ac_unique_file; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r $srcdir/$ac_unique_file; then
+  if test "$ac_srcdir_defaulted" = yes; then
+    { echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; echo "configure: error: can not find sources in $ac_confdir or .." 1>&5; exit 1; }
+  else
+    { echo "configure: error: can not find sources in $srcdir" 1>&2; echo "configure: error: can not find sources in $srcdir" 1>&5; exit 1; }
+  fi
+fi
+srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
+
+# Prefer explicitly selected file to automatically selected ones.
+if test -z "$CONFIG_SITE"; then
+  if test "x$prefix" != xNONE; then
+    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+  else
+    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+  fi
+fi
+for ac_site_file in $CONFIG_SITE; do
+  if test -r "$ac_site_file"; then
+    echo "loading site script $ac_site_file"
+    . "$ac_site_file"
+  fi
+done
+
+if test -r "$cache_file"; then
+  echo "loading cache $cache_file"
+  . $cache_file
+else
+  echo "creating cache $cache_file"
+  > $cache_file
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+ac_exeext=
+ac_objext=o
+if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
+  # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
+  if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
+    ac_n= ac_c='
+' ac_t='	'
+  else
+    ac_n=-n ac_c= ac_t=
+  fi
+else
+  ac_n= ac_c='\c' ac_t=
+fi
+
+
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+ac_aux_dir=
+for ac_dir in ${srcdir}/build/autoconf $srcdir/${srcdir}/build/autoconf; do
+  if test -f $ac_dir/install-sh; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f $ac_dir/install.sh; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  fi
+done
+if test -z "$ac_aux_dir"; then
+  { echo "configure: error: can not find install-sh or install.sh in ${srcdir}/build/autoconf $srcdir/${srcdir}/build/autoconf" 1>&2; echo "configure: error: can not find install-sh or install.sh in ${srcdir}/build/autoconf $srcdir/${srcdir}/build/autoconf" 1>&5; exit 1; }
+fi
+ac_config_guess=$ac_aux_dir/config.guess
+ac_config_sub=$ac_aux_dir/config.sub
+ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
+
+
+# Do some error checking and defaulting for the host and target type.
+# The inputs are:
+#    configure --host=HOST --target=TARGET --build=BUILD NONOPT
+#
+# The rules are:
+# 1. You are not allowed to specify --host, --target, and nonopt at the
+#    same time.
+# 2. Host defaults to nonopt.
+# 3. If nonopt is not specified, then host defaults to the current host,
+#    as determined by config.guess.
+# 4. Target and build default to nonopt.
+# 5. If nonopt is not specified, then target and build default to host.
+
+# The aliases save the names the user supplied, while $host etc.
+# will get canonicalized.
+case $host---$target---$nonopt in
+NONE---*---* | *---NONE---* | *---*---NONE) ;;
+*) { echo "configure: error: can only configure for one host and one target at a time" 1>&2; echo "configure: error: can only configure for one host and one target at a time" 1>&5; exit 1; } ;;
+esac
+
+
+# Make sure we can run config.sub.
+if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
+else { echo "configure: error: can not run $ac_config_sub" 1>&2; echo "configure: error: can not run $ac_config_sub" 1>&5; exit 1; }
+fi
+
+echo $ac_n "checking host system type""... $ac_c" 1>&6
+echo "configure:607: checking host system type" >&5
+
+host_alias=$host
+case "$host_alias" in
+NONE)
+  case $nonopt in
+  NONE)
+    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
+    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; echo "configure: error: can not guess host type; you must specify one" 1>&5; exit 1; }
+    fi ;;
+  *) host_alias=$nonopt ;;
+  esac ;;
+esac
+
+host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
+host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$host" 1>&6
+
+echo $ac_n "checking target system type""... $ac_c" 1>&6
+echo "configure:628: checking target system type" >&5
+
+target_alias=$target
+case "$target_alias" in
+NONE)
+  case $nonopt in
+  NONE) target_alias=$host_alias ;;
+  *) target_alias=$nonopt ;;
+  esac ;;
+esac
+
+target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
+target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$target" 1>&6
+
+echo $ac_n "checking build system type""... $ac_c" 1>&6
+echo "configure:646: checking build system type" >&5
+
+build_alias=$build
+case "$build_alias" in
+NONE)
+  case $nonopt in
+  NONE) build_alias=$host_alias ;;
+  *) build_alias=$nonopt ;;
+  esac ;;
+esac
+
+build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
+build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$build" 1>&6
+
+test "$host_alias" != "$target_alias" &&
+  test "$program_prefix$program_suffix$program_transform_name" = \
+    NONENONEs,x,x, &&
+  program_prefix=${target_alias}-
+
+
+CFLAGS="${CFLAGS=}"
+CPPFLAGS="${CPPFLAGS=}"
+CXXFLAGS="${CXXFLAGS=}"
+LDFLAGS="${LDFLAGS=}"
+HOST_CFLAGS="${HOST_CFLAGS=}"
+HOST_CXXFLAGS="${HOST_CXXFLAGS=}"
+HOST_LDFLAGS="${HOST_LDFLAGS=}"
+
+W32API_VERSION=3.14
+
+MISSING_X=
+
+MOZ_USE_PTHREADS=
+_PTHREAD_LDFLAGS=""
+
+LDFLAGS="$LDFLAGS $LINKER_LDFLAGS"
+HOST_LDFLAGS="$HOST_LDFLAGS $HOST_LINKER_LDFLAGS"
+
+if test "$COMPILE_ENVIRONMENT"; then
+    
+
+case "$target" in
+*-android*|*-linuxandroid*)
+            LDFLAGS="$extra_android_flags -L$_topsrcdir/build/android $LDFLAGS"
+    CPPFLAGS="$extra_android_flags $CPPFLAGS"
+    CFLAGS="-fno-short-enums $CFLAGS"
+    CXXFLAGS="-fno-short-enums $CXXFLAGS"
+    ASFLAGS="$extra_android_flags -DANDROID $ASFLAGS"
+    ;;
+esac
+
+
+fi # COMPILE_ENVIRONMENT
+
+
+if test "$COMPILE_ENVIRONMENT"; then
+
+# Run some logic to figure out exe extensions (mostly for mingw's sake)
+echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
+echo "configure:708: checking for Cygwin environment" >&5
+if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 713 "configure"
+#include "confdefs.h"
+
+int main() {
+
+#ifndef __CYGWIN__
+#define __CYGWIN__ __CYGWIN32__
+#endif
+return __CYGWIN__;
+; return 0; }
+EOF
+if { (eval echo configure:724: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_cygwin=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_cygwin=no
+fi
+rm -f conftest*
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_cygwin" 1>&6
+CYGWIN=
+test "$ac_cv_cygwin" = yes && CYGWIN=yes
+echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
+echo "configure:741: checking for mingw32 environment" >&5
+if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 746 "configure"
+#include "confdefs.h"
+
+int main() {
+return __MINGW32__;
+; return 0; }
+EOF
+if { (eval echo configure:753: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_mingw32=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_mingw32=no
+fi
+rm -f conftest*
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_mingw32" 1>&6
+MINGW32=
+test "$ac_cv_mingw32" = yes && MINGW32=yes
+
+
+echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
+echo "configure:772: checking for executable suffix" >&5
+if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
+  ac_cv_exeext=.exe
+else
+  rm -f conftest*
+  echo 'int main () { return 0; }' > conftest.$ac_ext
+  ac_cv_exeext=
+  if { (eval echo configure:782: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+    for file in conftest.*; do
+      case $file in
+      *.c | *.o | *.obj) ;;
+      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
+      esac
+    done
+  else
+    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&5; exit 1; }
+  fi
+  rm -f conftest*
+  test x"${ac_cv_exeext}" = x && ac_cv_exeext=no
+fi
+fi
+
+EXEEXT=""
+test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext}
+echo "$ac_t""${ac_cv_exeext}" 1>&6
+ac_exeext=$EXEEXT
+
+
+if test "$target" != "$host"; then
+    
+echo "cross compiling from $host to $target"
+
+_SAVE_PATH=$PATH
+case "${TOOLCHAIN_PREFIX}" in
+/*)
+    PATH="/:$PATH"
+    ;;
+esac
+# Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:816: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CC="gcc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:846: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_prog_rejected=no
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
+        ac_prog_rejected=yes
+	continue
+      fi
+      ac_cv_prog_CC="cc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# -gt 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    set dummy "$ac_dir/$ac_word" "$@"
+    shift
+    ac_cv_prog_CC="$@"
+  fi
+fi
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test -z "$CC"; then
+    case "`uname -s`" in
+    *win32* | *WIN32*)
+      # Extract the first word of "cl", so it can be a program name with args.
+set dummy cl; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:897: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CC="cl"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+ ;;
+    esac
+  fi
+  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; echo "configure: error: no acceptable cc found in \$PATH" 1>&5; exit 1; }
+fi
+
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:929: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+if eval "test \"`echo '$''{'ac_cv_prog_cc_works'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext << EOF
+
+#line 947 "configure"
+#include "confdefs.h"
+
+main(){return(0);}
+EOF
+if { (eval echo configure:952: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  ac_cv_prog_cc_works=yes
+  # If we can't run a trivial program, we are probably using a cross compiler.
+  if (./conftest; exit) 2>/dev/null; then
+    ac_cv_prog_cc_cross=no
+  else
+    ac_cv_prog_cc_cross=yes
+  fi
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  ac_cv_prog_cc_works=no
+fi
+rm -fr conftest*
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
+if test $ac_cv_prog_cc_works = no; then
+  { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&5; exit 1; }
+fi
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:984: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
+cross_compiling=$ac_cv_prog_cc_cross
+
+echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
+echo "configure:989: checking whether we are using GNU C" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.c <<EOF
+#ifdef __GNUC__
+  yes;
+#endif
+EOF
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:998: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+  ac_cv_prog_gcc=yes
+else
+  ac_cv_prog_gcc=no
+fi
+fi
+
+echo "$ac_t""$ac_cv_prog_gcc" 1>&6
+
+if test $ac_cv_prog_gcc = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+
+ac_test_CFLAGS="${CFLAGS+set}"
+ac_save_CFLAGS="$CFLAGS"
+CFLAGS=
+echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
+echo "configure:1017: checking whether ${CC-cc} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'void f(){}' > conftest.c
+if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
+  ac_cv_prog_cc_g=yes
+else
+  ac_cv_prog_cc_g=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS="$ac_save_CFLAGS"
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+
+for ac_prog in $CCC c++ g++ gcc CC cxx cc++ cl
+do
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1053: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CXX"; then
+  ac_cv_prog_CXX="$CXX" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CXX="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CXX="$ac_cv_prog_CXX"
+if test -n "$CXX"; then
+  echo "$ac_t""$CXX" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$CXX" && break
+done
+test -n "$CXX" || CXX="gcc"
+
+
+echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:1085: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+
+ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+if eval "test \"`echo '$''{'ac_cv_prog_cxx_works'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext << EOF
+
+#line 1103 "configure"
+#include "confdefs.h"
+
+int main(){return(0);}
+EOF
+if { (eval echo configure:1108: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  ac_cv_prog_cxx_works=yes
+  # If we can't run a trivial program, we are probably using a cross compiler.
+  if (./conftest; exit) 2>/dev/null; then
+    ac_cv_prog_cxx_cross=no
+  else
+    ac_cv_prog_cxx_cross=yes
+  fi
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  ac_cv_prog_cxx_works=no
+fi
+rm -fr conftest*
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+echo "$ac_t""$ac_cv_prog_cxx_works" 1>&6
+if test $ac_cv_prog_cxx_works = no; then
+  { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&5; exit 1; }
+fi
+echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:1140: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
+cross_compiling=$ac_cv_prog_cxx_cross
+
+echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
+echo "configure:1145: checking whether we are using GNU C++" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.C <<EOF
+#ifdef __GNUC__
+  yes;
+#endif
+EOF
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1154: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+  ac_cv_prog_gxx=yes
+else
+  ac_cv_prog_gxx=no
+fi
+fi
+
+echo "$ac_t""$ac_cv_prog_gxx" 1>&6
+
+if test $ac_cv_prog_gxx = yes; then
+  GXX=yes
+else
+  GXX=
+fi
+
+ac_test_CXXFLAGS="${CXXFLAGS+set}"
+ac_save_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS=
+echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
+echo "configure:1173: checking whether ${CXX-g++} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'void f(){}' > conftest.cc
+if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
+  ac_cv_prog_cxx_g=yes
+else
+  ac_cv_prog_cxx_g=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$ac_cv_prog_cxx_g" 1>&6
+if test "$ac_test_CXXFLAGS" = set; then
+  CXXFLAGS="$ac_save_CXXFLAGS"
+elif test $ac_cv_prog_cxx_g = yes; then
+  if test "$GXX" = yes; then
+    CXXFLAGS="-g -O2"
+  else
+    CXXFLAGS="-g"
+  fi
+else
+  if test "$GXX" = yes; then
+    CXXFLAGS="-O2"
+  else
+    CXXFLAGS=
+  fi
+fi
+
+
+PATH=$_SAVE_PATH
+
+else
+    # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1211: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CC="gcc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1241: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_prog_rejected=no
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
+        ac_prog_rejected=yes
+	continue
+      fi
+      ac_cv_prog_CC="cc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# -gt 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    set dummy "$ac_dir/$ac_word" "$@"
+    shift
+    ac_cv_prog_CC="$@"
+  fi
+fi
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test -z "$CC"; then
+    case "`uname -s`" in
+    *win32* | *WIN32*)
+      # Extract the first word of "cl", so it can be a program name with args.
+set dummy cl; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1292: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CC="cl"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+ ;;
+    esac
+  fi
+  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; echo "configure: error: no acceptable cc found in \$PATH" 1>&5; exit 1; }
+fi
+
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:1324: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+if eval "test \"`echo '$''{'ac_cv_prog_cc_works'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext << EOF
+
+#line 1342 "configure"
+#include "confdefs.h"
+
+main(){return(0);}
+EOF
+if { (eval echo configure:1347: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  ac_cv_prog_cc_works=yes
+  # If we can't run a trivial program, we are probably using a cross compiler.
+  if (./conftest; exit) 2>/dev/null; then
+    ac_cv_prog_cc_cross=no
+  else
+    ac_cv_prog_cc_cross=yes
+  fi
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  ac_cv_prog_cc_works=no
+fi
+rm -fr conftest*
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
+if test $ac_cv_prog_cc_works = no; then
+  { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&5; exit 1; }
+fi
+echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:1379: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
+cross_compiling=$ac_cv_prog_cc_cross
+
+echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
+echo "configure:1384: checking whether we are using GNU C" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.c <<EOF
+#ifdef __GNUC__
+  yes;
+#endif
+EOF
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1393: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+  ac_cv_prog_gcc=yes
+else
+  ac_cv_prog_gcc=no
+fi
+fi
+
+echo "$ac_t""$ac_cv_prog_gcc" 1>&6
+
+if test $ac_cv_prog_gcc = yes; then
+  GCC=yes
+else
+  GCC=
+fi
+
+ac_test_CFLAGS="${CFLAGS+set}"
+ac_save_CFLAGS="$CFLAGS"
+CFLAGS=
+echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
+echo "configure:1412: checking whether ${CC-cc} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'void f(){}' > conftest.c
+if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
+  ac_cv_prog_cc_g=yes
+else
+  ac_cv_prog_cc_g=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS="$ac_save_CFLAGS"
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-g"
+  fi
+else
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
+fi
+
+    case "$target" in
+    *-mingw*)
+      # Work around the conftest.exe access problem on Windows
+      sleep 2
+    esac
+    for ac_prog in $CCC c++ g++ gcc CC cxx cc++ cl
+do
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1453: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CXX"; then
+  ac_cv_prog_CXX="$CXX" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CXX="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CXX="$ac_cv_prog_CXX"
+if test -n "$CXX"; then
+  echo "$ac_t""$CXX" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$CXX" && break
+done
+test -n "$CXX" || CXX="gcc"
+
+
+echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
+echo "configure:1485: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+
+ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+if eval "test \"`echo '$''{'ac_cv_prog_cxx_works'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext << EOF
+
+#line 1503 "configure"
+#include "confdefs.h"
+
+int main(){return(0);}
+EOF
+if { (eval echo configure:1508: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  ac_cv_prog_cxx_works=yes
+  # If we can't run a trivial program, we are probably using a cross compiler.
+  if (./conftest; exit) 2>/dev/null; then
+    ac_cv_prog_cxx_cross=no
+  else
+    ac_cv_prog_cxx_cross=yes
+  fi
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  ac_cv_prog_cxx_works=no
+fi
+rm -fr conftest*
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+echo "$ac_t""$ac_cv_prog_cxx_works" 1>&6
+if test $ac_cv_prog_cxx_works = no; then
+  { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&5; exit 1; }
+fi
+echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
+echo "configure:1540: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
+cross_compiling=$ac_cv_prog_cxx_cross
+
+echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
+echo "configure:1545: checking whether we are using GNU C++" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.C <<EOF
+#ifdef __GNUC__
+  yes;
+#endif
+EOF
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1554: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+  ac_cv_prog_gxx=yes
+else
+  ac_cv_prog_gxx=no
+fi
+fi
+
+echo "$ac_t""$ac_cv_prog_gxx" 1>&6
+
+if test $ac_cv_prog_gxx = yes; then
+  GXX=yes
+else
+  GXX=
+fi
+
+ac_test_CXXFLAGS="${CXXFLAGS+set}"
+ac_save_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS=
+echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
+echo "configure:1573: checking whether ${CXX-g++} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'void f(){}' > conftest.cc
+if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
+  ac_cv_prog_cxx_g=yes
+else
+  ac_cv_prog_cxx_g=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$ac_cv_prog_cxx_g" 1>&6
+if test "$ac_test_CXXFLAGS" = set; then
+  CXXFLAGS="$ac_save_CXXFLAGS"
+elif test $ac_cv_prog_cxx_g = yes; then
+  if test "$GXX" = yes; then
+    CXXFLAGS="-g -O2"
+  else
+    CXXFLAGS="-g"
+  fi
+else
+  if test "$GXX" = yes; then
+    CXXFLAGS="-O2"
+  else
+    CXXFLAGS=
+  fi
+fi
+
+fi
+
+
+GNU_CC=
+GNU_CXX=
+if test "$CC_TYPE" = "gcc"; then
+    GNU_CC=1
+    GNU_CXX=1
+fi
+
+CLANG_CC=
+CLANG_CXX=
+CLANG_CL=
+if test "$CC_TYPE" = "clang"; then
+    GNU_CC=1
+    GNU_CXX=1
+    CLANG_CC=1
+    CLANG_CXX=1
+fi
+if test "$CC_TYPE" = "clang-cl"; then
+    CLANG_CL=1
+fi
+
+
+
+
+
+
+WINVER=601
+
+case "$target" in
+*-mingw*)
+    if test "$GCC" != "yes"; then
+        # Check to see if we are really running in a msvc environemnt
+        _WIN32_MSVC=1
+
+        # Make sure compilers are valid
+        CXXFLAGS="$CXXFLAGS -TP"
+        
+        ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+        cat > conftest.$ac_ext <<EOF
+#line 1655 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+int main() {
+ printf("Hello World\n"); 
+; return 0; }
+EOF
+if { (eval echo configure:1662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  { echo "configure: error: \$(CC) test failed.  You must have MS VC++ in your path to build." 1>&2; echo "configure: error: \$(CC) test failed.  You must have MS VC++ in your path to build." 1>&5; exit 1; } 
+fi
+rm -f conftest*
+
+        ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+        cat > conftest.$ac_ext <<EOF
+#line 1684 "configure"
+#include "confdefs.h"
+#include <new.h>
+int main() {
+ unsigned *test = new unsigned(42); 
+; return 0; }
+EOF
+if { (eval echo configure:1691: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  { echo "configure: error: \$(CXX) test failed.  You must have MS VC++ in your path to build." 1>&2; echo "configure: error: \$(CXX) test failed.  You must have MS VC++ in your path to build." 1>&5; exit 1; } 
+fi
+rm -f conftest*
+        ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+        cat >> confdefs.pytmp <<\EOF
+    (''' _CRT_SECURE_NO_WARNINGS ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _CRT_SECURE_NO_WARNINGS 1
+EOF
+
+        cat >> confdefs.pytmp <<\EOF
+    (''' _CRT_NONSTDC_NO_WARNINGS ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _CRT_NONSTDC_NO_WARNINGS 1
+EOF
+
+
+        MSVC_C_RUNTIME_DLL=vcruntime140.dll
+        if test -n "$IS_VS2019_OR_MORE" -a "$CPU_ARCH" != "x86"; then
+            MSVC_C_RUNTIME_1_DLL=vcruntime140_1.dll
+        fi
+        MSVC_CXX_RUNTIME_DLL=msvcp140.dll
+
+        # -Zc:sizedDealloc- disables C++14 global sized deallocation (see bug 1160146)
+        CXXFLAGS="$CXXFLAGS -Zc:sizedDealloc-"
+
+        if test -n "$WIN_UCRT_REDIST_DIR"; then
+          if test ! -d "$WIN_UCRT_REDIST_DIR"; then
+            { echo "configure: error: Invalid Windows UCRT Redist directory: ${WIN_UCRT_REDIST_DIR}" 1>&2; echo "configure: error: Invalid Windows UCRT Redist directory: ${WIN_UCRT_REDIST_DIR}" 1>&5; exit 1; }
+          fi
+          WIN_UCRT_REDIST_DIR=`cd "$WIN_UCRT_REDIST_DIR" && (pwd -W 2>/dev/null || pwd)`
+        fi
+
+        
+        
+        
+
+        cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_SEH_EXCEPTIONS ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_SEH_EXCEPTIONS 1
+EOF
+
+
+        if test -n "$WIN32_REDIST_DIR"; then
+          if test ! -d "$WIN32_REDIST_DIR"; then
+            { echo "configure: error: Invalid Win32 Redist directory: ${WIN32_REDIST_DIR}" 1>&2; echo "configure: error: Invalid Win32 Redist directory: ${WIN32_REDIST_DIR}" 1>&5; exit 1; }
+          fi
+          WIN32_REDIST_DIR=`cd "$WIN32_REDIST_DIR" && (pwd -W 2>/dev/null || pwd)`
+        fi
+    else
+        # Check w32api version
+        _W32API_MAJOR_VERSION=`echo $W32API_VERSION | $AWK -F\. '{ print $1 }'`
+        _W32API_MINOR_VERSION=`echo $W32API_VERSION | $AWK -F\. '{ print $2 }'`
+        echo $ac_n "checking for w32api version >= $W32API_VERSION""... $ac_c" 1>&6
+echo "configure:1766: checking for w32api version >= $W32API_VERSION" >&5
+        cat > conftest.$ac_ext <<EOF
+#line 1768 "configure"
+#include "confdefs.h"
+#include <w32api.h>
+int main() {
+#if (__W32API_MAJOR_VERSION < $_W32API_MAJOR_VERSION) || \
+                (__W32API_MAJOR_VERSION == $_W32API_MAJOR_VERSION && \
+                 __W32API_MINOR_VERSION < $_W32API_MINOR_VERSION)
+                #error "test failed."
+            #endif
+            
+; return 0; }
+EOF
+if { (eval echo configure:1780: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+   res=yes 
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+   res=no 
+fi
+rm -f conftest*
+        echo "$ac_t""$res" 1>&6
+        if test "$res" != "yes"; then
+            { echo "configure: error: w32api version $W32API_VERSION or higher required." 1>&2; echo "configure: error: w32api version $W32API_VERSION or higher required." 1>&5; exit 1; }
+        fi
+        # strsafe.h on mingw uses macros for function deprecation that pollutes namespace
+        # causing problems with local implementations with the same name.
+        cat >> confdefs.pytmp <<\EOF
+    (''' STRSAFE_NO_DEPRECATE ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define STRSAFE_NO_DEPRECATE 1
+EOF
+
+    fi # !GNU_CC
+
+    cat >> confdefs.pytmp <<\EOF
+    (''' _USE_MATH_DEFINES ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _USE_MATH_DEFINES 1
+EOF
+ # Otherwise Windows' math.h doesn't #define M_PI.
+
+    CFLAGS="$CFLAGS -D_HAS_EXCEPTIONS=0"
+    CXXFLAGS="$CXXFLAGS -D_HAS_EXCEPTIONS=0"
+
+    cat >> confdefs.pytmp <<EOF
+    (''' WINVER ''', r''' 0x$WINVER ''')
+EOF
+cat >> confdefs.h <<EOF
+#define WINVER 0x$WINVER
+EOF
+
+    cat >> confdefs.pytmp <<EOF
+    (''' _WIN32_WINNT ''', r''' 0x$WINVER ''')
+EOF
+cat >> confdefs.h <<EOF
+#define _WIN32_WINNT 0x$WINVER
+EOF
+
+    # Require OS features provided by IE 8.0 (Win7)
+    cat >> confdefs.pytmp <<EOF
+    (''' _WIN32_IE ''', r''' 0x0800 ''')
+EOF
+cat >> confdefs.h <<EOF
+#define _WIN32_IE 0x0800
+EOF
+
+
+    ;;
+esac
+
+if test -n "$_WIN32_MSVC"; then
+    SKIP_PATH_CHECKS=1
+    SKIP_COMPILER_CHECKS=1
+    SKIP_LIBRARY_CHECKS=1
+
+    # Since we're skipping compiler and library checks, hard-code
+    # some facts here.
+    cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_IO_H ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_IO_H 1
+EOF
+
+    cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_ISATTY ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_ISATTY 1
+EOF
+
+fi
+
+fi # COMPILE_ENVIRONMENT
+
+
+
+
+MOZ_FIX_LINK_PATHS="-Wl,-rpath-link,${DIST}/bin -Wl,-rpath-link,${prefix}/lib"
+
+if test "$COMPILE_ENVIRONMENT"; then
+    
+if test -n "$_ARM_FLAGS"; then
+    CFLAGS="$CFLAGS $_ARM_FLAGS"
+    CXXFLAGS="$CXXFLAGS $_ARM_FLAGS"
+    ASFLAGS="$ASFLAGS $_ARM_FLAGS"
+    if test -n "$_THUMB_FLAGS"; then
+        LDFLAGS="$LDFLAGS $_THUMB_FLAGS"
+    fi
+fi
+
+fi # COMPILE_ENVIRONMENT
+
+if test -n "$COMPILE_ENVIRONMENT"; then
+   
+
+if test -n "$MOZ_ASAN"; then
+    if test -n "$CLANG_CL"; then
+        # Look for the ASan runtime binary
+        if test "$CPU_ARCH" = "x86_64"; then
+          MOZ_CLANG_RT_ASAN_LIB=clang_rt.asan_dynamic-x86_64.dll
+        else
+          MOZ_CLANG_RT_ASAN_LIB=clang_rt.asan_dynamic-i386.dll
+        fi
+        # We use MOZ_PATH_PROG in order to get a Windows style path.
+         # Extract the first word of "$MOZ_CLANG_RT_ASAN_LIB", so it can be a program name with args.
+set dummy $MOZ_CLANG_RT_ASAN_LIB; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1900: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_MOZ_CLANG_RT_ASAN_LIB_PATH'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  case "$MOZ_CLANG_RT_ASAN_LIB_PATH" in
+  /*)
+  ac_cv_path_MOZ_CLANG_RT_ASAN_LIB_PATH="$MOZ_CLANG_RT_ASAN_LIB_PATH" # Let the user override the test with a path.
+  ;;
+  ?:/*)			 
+  ac_cv_path_MOZ_CLANG_RT_ASAN_LIB_PATH="$MOZ_CLANG_RT_ASAN_LIB_PATH" # Let the user override the test with a dos path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do 
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_path_MOZ_CLANG_RT_ASAN_LIB_PATH="$ac_dir/$ac_word"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  ;;
+esac
+fi
+MOZ_CLANG_RT_ASAN_LIB_PATH="$ac_cv_path_MOZ_CLANG_RT_ASAN_LIB_PATH"
+if test -n "$MOZ_CLANG_RT_ASAN_LIB_PATH"; then
+  echo "$ac_t""$MOZ_CLANG_RT_ASAN_LIB_PATH" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test "$msyshost"; then
+    case "$MOZ_CLANG_RT_ASAN_LIB_PATH" in
+    /*)
+      tmp_DIRNAME=`dirname "$MOZ_CLANG_RT_ASAN_LIB_PATH"`
+      tmp_BASENAME=`basename "$MOZ_CLANG_RT_ASAN_LIB_PATH"`
+      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
+      MOZ_CLANG_RT_ASAN_LIB_PATH="$tmp_PWD/$tmp_BASENAME"
+      if test -e "$MOZ_CLANG_RT_ASAN_LIB_PATH.exe"; then
+        MOZ_CLANG_RT_ASAN_LIB_PATH="$MOZ_CLANG_RT_ASAN_LIB_PATH.exe"
+      fi
+    esac
+  fi
+
+        if test -z "$MOZ_CLANG_RT_ASAN_LIB_PATH"; then
+            { echo "configure: error: Couldn't find $MOZ_CLANG_RT_ASAN_LIB.  It should be available in the same location as clang-cl." 1>&2; echo "configure: error: Couldn't find $MOZ_CLANG_RT_ASAN_LIB.  It should be available in the same location as clang-cl." 1>&5; exit 1; }
+        fi
+        
+        # Suppressing errors in recompiled code.
+        if test "$OS_ARCH" = "WINNT"; then
+            CFLAGS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/asan_blacklist_win.txt $CFLAGS"
+            CXXFLAGS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/asan_blacklist_win.txt $CXXFLAGS"
+        fi
+    fi
+    CFLAGS="-fsanitize=address $CFLAGS"
+    CXXFLAGS="-fsanitize=address $CXXFLAGS"
+    if test -z "$CLANG_CL"; then
+        LDFLAGS="-fsanitize=address -rdynamic $LDFLAGS"
+    fi
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_ASAN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_ASAN 1
+EOF
+
+     # Extract the first word of "llvm-symbolizer", so it can be a program name with args.
+set dummy llvm-symbolizer; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1970: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_LLVM_SYMBOLIZER'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  case "$LLVM_SYMBOLIZER" in
+  /*)
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a path.
+  ;;
+  ?:/*)			 
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a dos path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do 
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_path_LLVM_SYMBOLIZER="$ac_dir/$ac_word"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  ;;
+esac
+fi
+LLVM_SYMBOLIZER="$ac_cv_path_LLVM_SYMBOLIZER"
+if test -n "$LLVM_SYMBOLIZER"; then
+  echo "$ac_t""$LLVM_SYMBOLIZER" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test "$msyshost"; then
+    case "$LLVM_SYMBOLIZER" in
+    /*)
+      tmp_DIRNAME=`dirname "$LLVM_SYMBOLIZER"`
+      tmp_BASENAME=`basename "$LLVM_SYMBOLIZER"`
+      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
+      LLVM_SYMBOLIZER="$tmp_PWD/$tmp_BASENAME"
+      if test -e "$LLVM_SYMBOLIZER.exe"; then
+        LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER.exe"
+      fi
+    esac
+  fi
+
+fi
+
+
+if test -n "$MOZ_MSAN"; then
+    CFLAGS="-fsanitize=memory -fsanitize-memory-track-origins $CFLAGS"
+    CXXFLAGS="-fsanitize=memory -fsanitize-memory-track-origins $CXXFLAGS"
+    if test -z "$CLANG_CL"; then
+        LDFLAGS="-fsanitize=memory -fsanitize-memory-track-origins -rdynamic $LDFLAGS"
+    fi
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_MSAN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_MSAN 1
+EOF
+
+     # Extract the first word of "llvm-symbolizer", so it can be a program name with args.
+set dummy llvm-symbolizer; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2034: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_LLVM_SYMBOLIZER'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  case "$LLVM_SYMBOLIZER" in
+  /*)
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a path.
+  ;;
+  ?:/*)			 
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a dos path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do 
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_path_LLVM_SYMBOLIZER="$ac_dir/$ac_word"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  ;;
+esac
+fi
+LLVM_SYMBOLIZER="$ac_cv_path_LLVM_SYMBOLIZER"
+if test -n "$LLVM_SYMBOLIZER"; then
+  echo "$ac_t""$LLVM_SYMBOLIZER" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test "$msyshost"; then
+    case "$LLVM_SYMBOLIZER" in
+    /*)
+      tmp_DIRNAME=`dirname "$LLVM_SYMBOLIZER"`
+      tmp_BASENAME=`basename "$LLVM_SYMBOLIZER"`
+      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
+      LLVM_SYMBOLIZER="$tmp_PWD/$tmp_BASENAME"
+      if test -e "$LLVM_SYMBOLIZER.exe"; then
+        LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER.exe"
+      fi
+    esac
+  fi
+
+fi
+
+
+if test -n "$MOZ_TSAN"; then
+    CFLAGS="-fsanitize=thread $CFLAGS"
+    CXXFLAGS="-fsanitize=thread $CXXFLAGS"
+    if test -z "$CLANG_CL"; then
+        LDFLAGS="-fsanitize=thread -rdynamic $LDFLAGS"
+    fi
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_TSAN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_TSAN 1
+EOF
+
+     # Extract the first word of "llvm-symbolizer", so it can be a program name with args.
+set dummy llvm-symbolizer; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2098: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_LLVM_SYMBOLIZER'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  case "$LLVM_SYMBOLIZER" in
+  /*)
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a path.
+  ;;
+  ?:/*)			 
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a dos path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do 
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_path_LLVM_SYMBOLIZER="$ac_dir/$ac_word"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  ;;
+esac
+fi
+LLVM_SYMBOLIZER="$ac_cv_path_LLVM_SYMBOLIZER"
+if test -n "$LLVM_SYMBOLIZER"; then
+  echo "$ac_t""$LLVM_SYMBOLIZER" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test "$msyshost"; then
+    case "$LLVM_SYMBOLIZER" in
+    /*)
+      tmp_DIRNAME=`dirname "$LLVM_SYMBOLIZER"`
+      tmp_BASENAME=`basename "$LLVM_SYMBOLIZER"`
+      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
+      LLVM_SYMBOLIZER="$tmp_PWD/$tmp_BASENAME"
+      if test -e "$LLVM_SYMBOLIZER.exe"; then
+        LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER.exe"
+      fi
+    esac
+  fi
+
+fi
+
+
+if test -n "$MOZ_UBSAN_CHECKS"; then
+    MOZ_UBSAN=1
+    UBSAN_TXT="$_objdir/ubsan_blacklist.txt"
+    cat $_topsrcdir/build/sanitizers/ubsan_*_blacklist.txt > $UBSAN_TXT
+    UBSAN_FLAGS="-fsanitize=$MOZ_UBSAN_CHECKS -fno-sanitize-recover=$MOZ_UBSAN_CHECKS -fsanitize-blacklist=$UBSAN_TXT"
+    CFLAGS="$UBSAN_FLAGS $CFLAGS"
+    CXXFLAGS="$UBSAN_FLAGS $CXXFLAGS"
+    if test -z "$CLANG_CL"; then
+        LDFLAGS="-fsanitize=undefined -rdynamic $LDFLAGS"
+    fi
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_UBSAN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_UBSAN 1
+EOF
+
+     # Extract the first word of "llvm-symbolizer", so it can be a program name with args.
+set dummy llvm-symbolizer; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2166: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_LLVM_SYMBOLIZER'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  case "$LLVM_SYMBOLIZER" in
+  /*)
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a path.
+  ;;
+  ?:/*)			 
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a dos path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do 
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_path_LLVM_SYMBOLIZER="$ac_dir/$ac_word"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  ;;
+esac
+fi
+LLVM_SYMBOLIZER="$ac_cv_path_LLVM_SYMBOLIZER"
+if test -n "$LLVM_SYMBOLIZER"; then
+  echo "$ac_t""$LLVM_SYMBOLIZER" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test "$msyshost"; then
+    case "$LLVM_SYMBOLIZER" in
+    /*)
+      tmp_DIRNAME=`dirname "$LLVM_SYMBOLIZER"`
+      tmp_BASENAME=`basename "$LLVM_SYMBOLIZER"`
+      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
+      LLVM_SYMBOLIZER="$tmp_PWD/$tmp_BASENAME"
+      if test -e "$LLVM_SYMBOLIZER.exe"; then
+        LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER.exe"
+      fi
+    esac
+  fi
+
+fi
+
+
+if test -n "$MOZ_SIGNED_OVERFLOW_SANITIZE$MOZ_UNSIGNED_OVERFLOW_SANITIZE"; then
+    MOZ_UBSAN=1
+    SANITIZER_BLACKLISTS=""
+    if test -n "$MOZ_SIGNED_OVERFLOW_SANITIZE"; then
+        SANITIZER_BLACKLISTS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/ubsan_signed_overflow_blacklist.txt $SANITIZER_BLACKLISTS"
+        CFLAGS="-fsanitize=signed-integer-overflow $CFLAGS"
+        CXXFLAGS="-fsanitize=signed-integer-overflow $CXXFLAGS"
+        if test -z "$CLANG_CL"; then
+            LDFLAGS="-fsanitize=signed-integer-overflow -rdynamic $LDFLAGS"
+        fi
+        cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_SIGNED_OVERFLOW_SANITIZE ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_SIGNED_OVERFLOW_SANITIZE 1
+EOF
+
+    fi
+    if test -n "$MOZ_UNSIGNED_OVERFLOW_SANITIZE"; then
+        SANITIZER_BLACKLISTS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/ubsan_unsigned_overflow_blacklist.txt $SANITIZER_BLACKLISTS"
+        CFLAGS="-fsanitize=unsigned-integer-overflow $CFLAGS"
+        CXXFLAGS="-fsanitize=unsigned-integer-overflow $CXXFLAGS"
+        if test -z "$CLANG_CL"; then
+            LDFLAGS="-fsanitize=unsigned-integer-overflow -rdynamic $LDFLAGS"
+        fi
+        cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_UNSIGNED_OVERFLOW_SANITIZE ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_UNSIGNED_OVERFLOW_SANITIZE 1
+EOF
+
+    fi
+    CFLAGS="$SANITIZER_BLACKLISTS $CFLAGS"
+    CXXFLAGS="$SANITIZER_BLACKLISTS $CXXFLAGS"
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_UBSAN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_UBSAN 1
+EOF
+
+     # Extract the first word of "llvm-symbolizer", so it can be a program name with args.
+set dummy llvm-symbolizer; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:2259: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_path_LLVM_SYMBOLIZER'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  case "$LLVM_SYMBOLIZER" in
+  /*)
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a path.
+  ;;
+  ?:/*)			 
+  ac_cv_path_LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER" # Let the user override the test with a dos path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do 
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_path_LLVM_SYMBOLIZER="$ac_dir/$ac_word"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  ;;
+esac
+fi
+LLVM_SYMBOLIZER="$ac_cv_path_LLVM_SYMBOLIZER"
+if test -n "$LLVM_SYMBOLIZER"; then
+  echo "$ac_t""$LLVM_SYMBOLIZER" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test "$msyshost"; then
+    case "$LLVM_SYMBOLIZER" in
+    /*)
+      tmp_DIRNAME=`dirname "$LLVM_SYMBOLIZER"`
+      tmp_BASENAME=`basename "$LLVM_SYMBOLIZER"`
+      tmp_PWD=`cd "$tmp_DIRNAME" && pwd -W`
+      LLVM_SYMBOLIZER="$tmp_PWD/$tmp_BASENAME"
+      if test -e "$LLVM_SYMBOLIZER.exe"; then
+        LLVM_SYMBOLIZER="$LLVM_SYMBOLIZER.exe"
+      fi
+    esac
+  fi
+
+fi
+
+
+
+
+if test -n "$LIBFUZZER"; then
+   LDFLAGS="$LIBFUZZER_FLAGS -rdynamic $LDFLAGS"
+fi
+
+# The LLVM symbolizer is used by all sanitizers
+
+
+cat > conftest.$ac_ext <<EOF
+#line 2317 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2324: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  :
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  { echo "configure: error: compiler is incompatible with sanitize options" 1>&2; echo "configure: error: compiler is incompatible with sanitize options" 1>&5; exit 1; }
+fi
+rm -f conftest*
+
+
+fi
+
+if test "$GNU_CC"; then
+    if test "$OS_ARCH" != "WINNT" -o -z "$CLANG_CC"; then
+        DSO_PIC_CFLAGS='-fPIC'
+        ASFLAGS="$ASFLAGS -fPIC"
+    fi
+
+    echo $ac_n "checking for --noexecstack option to as""... $ac_c" 1>&6
+echo "configure:2344: checking for --noexecstack option to as" >&5
+    _SAVE_CFLAGS=$CFLAGS
+    CFLAGS="$CFLAGS -Wa,--noexecstack"
+    cat > conftest.$ac_ext <<EOF
+#line 2348 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2355: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+                     ASFLAGS="$ASFLAGS -Wa,--noexecstack"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -f conftest*
+    CFLAGS=$_SAVE_CFLAGS
+    echo $ac_n "checking for -z noexecstack option to ld""... $ac_c" 1>&6
+echo "configure:2368: checking for -z noexecstack option to ld" >&5
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
+    cat > conftest.$ac_ext <<EOF
+#line 2372 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2379: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+                  LDFLAGS=$_SAVE_LDFLAGS
+fi
+rm -f conftest*
+
+    echo $ac_n "checking for -z text option to ld""... $ac_c" 1>&6
+echo "configure:2392: checking for -z text option to ld" >&5
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,text"
+    cat > conftest.$ac_ext <<EOF
+#line 2396 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2403: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+                  LDFLAGS=$_SAVE_LDFLAGS
+fi
+rm -f conftest*
+
+    echo $ac_n "checking for -z relro option to ld""... $ac_c" 1>&6
+echo "configure:2416: checking for -z relro option to ld" >&5
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,relro"
+    cat > conftest.$ac_ext <<EOF
+#line 2420 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2427: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+                  LDFLAGS=$_SAVE_LDFLAGS
+fi
+rm -f conftest*
+
+    echo $ac_n "checking for -z nocopyreloc option to ld""... $ac_c" 1>&6
+echo "configure:2440: checking for -z nocopyreloc option to ld" >&5
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,nocopyreloc"
+    cat > conftest.$ac_ext <<EOF
+#line 2444 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2451: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+                  LDFLAGS=$_SAVE_LDFLAGS
+fi
+rm -f conftest*
+
+    echo $ac_n "checking for -Bsymbolic-functions option to ld""... $ac_c" 1>&6
+echo "configure:2464: checking for -Bsymbolic-functions option to ld" >&5
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-Bsymbolic-functions"
+    cat > conftest.$ac_ext <<EOF
+#line 2468 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2475: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+                  LDFLAGS=$_SAVE_LDFLAGS
+fi
+rm -f conftest*
+
+    # While sha1 is deterministic, it is slower.
+    if test -z "$DEVELOPER_OPTIONS"; then
+        build_id=sha1
+    else
+        build_id=uuid
+    fi
+    echo $ac_n "checking for --build-id=$build_id option to ld""... $ac_c" 1>&6
+echo "configure:2494: checking for --build-id=$build_id option to ld" >&5
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,--build-id=$build_id"
+    cat > conftest.$ac_ext <<EOF
+#line 2498 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2505: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+                  LDFLAGS=$_SAVE_LDFLAGS
+fi
+rm -f conftest*
+
+    echo $ac_n "checking for --ignore-unresolved-symbol option to ld""... $ac_c" 1>&6
+echo "configure:2518: checking for --ignore-unresolved-symbol option to ld" >&5
+    HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED=
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,--ignore-unresolved-symbol,environ"
+    cat > conftest.$ac_ext <<EOF
+#line 2523 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2530: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+                  HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED=1
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -f conftest*
+    LDFLAGS=$_SAVE_LDFLAGS
+
+    DSO_LDOPTS='-shared'
+    if test "$GCC_USE_GNU_LD"; then
+        # Some tools like ASan use a runtime library that is only
+        # linked against executables, so we must allow undefined
+        # symbols for shared objects in some cases.
+        if test -z "$MOZ_ASAN$MOZ_MSAN$MOZ_UBSAN$MOZ_TSAN$FUZZING_INTERFACES"; then
+            # Don't allow undefined symbols in libraries
+            DSO_LDOPTS="$DSO_LDOPTS -Wl,-z,defs"
+
+            # BSDs need `environ' exposed for posix_spawn (bug 753046)
+            case "$OS_TARGET" in
+            DragonFly|FreeBSD|NetBSD|OpenBSD)
+                if test -n "$HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED"; then
+                    DSO_LDOPTS="$DSO_LDOPTS -Wl,--ignore-unresolved-symbol,environ"
+                else
+                    DSO_LDOPTS="$DSO_LDOPTS -Wl,--warn-unresolved-symbols"
+                fi
+                ;;
+            esac
+        fi
+    fi
+
+    _DEFINES_CFLAGS="-include $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
+
+    ASFLAGS="$ASFLAGS $_DEFINES_CFLAGS"
+fi
+
+if test "$GNU_CXX"; then
+    CXXFLAGS="$CXXFLAGS -fno-exceptions"
+
+    _DEFINES_CXXFLAGS="-DMOZILLA_CLIENT -include $_objdir/mozilla-config.h"
+fi
+
+case "$host" in
+*mingw*)
+    if test -n "$_WIN32_MSVC"; then
+        HOST_CFLAGS="$HOST_CFLAGS"
+    else
+        HOST_CFLAGS="$HOST_CFLAGS -mwindows"
+    fi
+    HOST_CFLAGS="$HOST_CFLAGS -DXP_WIN -DWIN32 -D_WIN32 -D_CRT_SECURE_NO_WARNINGS"
+    HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}"
+    HOST_BIN_SUFFIX=.exe
+
+    case "${host_cpu}" in
+    i*86)
+        if test -n "$_WIN32_MSVC"; then
+            HOST_LDFLAGS="$HOST_LDFLAGS -MACHINE:X86"
+        fi
+        ;;
+    x86_64)
+        if test -n "$_WIN32_MSVC"; then
+            HOST_LDFLAGS="$HOST_LDFLAGS -MACHINE:X64"
+        fi
+        HOST_CFLAGS="$HOST_CFLAGS -D_AMD64_"
+        ;;
+    esac
+    ;;
+
+*-darwin*)
+    HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX -DXP_MACOSX"
+    HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O3}"
+    ;;
+
+*-linux*|*-kfreebsd*-gnu|*-gnu*)
+    HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX"
+    HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O3}"
+    ;;
+
+*)
+    HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX"
+    HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}"
+    ;;
+esac
+
+
+case "$target" in
+*-darwin*)
+    MOZ_OPTIMIZE_FLAGS="-O3"
+    DSO_LDOPTS=''
+
+            if test "x$enable_dtrace" = "xyes"; then
+        echo "Skipping -dead_strip because DTrace is enabled. See bug 403132."
+    else
+                echo $ac_n "checking for -dead_strip option to ld""... $ac_c" 1>&6
+echo "configure:2628: checking for -dead_strip option to ld" >&5
+        _SAVE_LDFLAGS=$LDFLAGS
+        LDFLAGS="$LDFLAGS -Wl,-dead_strip"
+        cat > conftest.$ac_ext <<EOF
+#line 2632 "configure"
+#include "confdefs.h"
+
+int main() {
+return 0;
+; return 0; }
+EOF
+if { (eval echo configure:2639: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  _HAVE_DEAD_STRIP=1
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  _HAVE_DEAD_STRIP=
+fi
+rm -f conftest*
+        if test -n "$_HAVE_DEAD_STRIP" ; then
+            echo "$ac_t""yes" 1>&6
+            MOZ_OPTIMIZE_LDFLAGS="-Wl,-dead_strip"
+        else
+            echo "$ac_t""no" 1>&6
+        fi
+
+        LDFLAGS=$_SAVE_LDFLAGS
+    fi
+
+    MOZ_FIX_LINK_PATHS=
+    ;;
+
+*-android*|*-linuxandroid*)
+    if test -z "$CLANG_CC"; then
+        MOZ_OPTIMIZE_FLAGS="-freorder-blocks -fno-reorder-functions -Os"
+    else
+        # From https://github.com/android-ndk/ndk/issues/133#issuecomment-308549264
+        # -Oz is smaller than -Os on clang.
+        MOZ_OPTIMIZE_FLAGS="-Oz"
+        # Disable the outliner, which causes performance regressions, and is
+        # enabled on some platforms at -Oz.
+        if test -z "$MOZ_LTO"; then
+            DISABLE_OUTLINER="-mno-outline"
+            _SAVE_CFLAGS=$CFLAGS
+            CFLAGS="$CFLAGS $DISABLE_OUTLINER"
+            cat > conftest.$ac_ext <<EOF
+#line 2676 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2683: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  MOZ_OPTIMIZE_FLAGS="$MOZ_OPTIMIZE_FLAGS $DISABLE_OUTLINER"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+            CFLAGS="$_SAVE_CFLAGS"
+        else
+            DISABLE_OUTLINER="-Wl,-plugin-opt=-enable-machine-outliner=never"
+            _SAVE_LDFLAGS=$LDFLAGS
+            LDFLAGS="$LDFLAGS $MOZ_LTO_LDFLAGS $DISABLE_OUTLINER"
+            cat > conftest.$ac_ext <<EOF
+#line 2697 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:2704: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  MOZ_OPTIMIZE_LDFLAGS="$MOZ_OPTIMIZE_LDFLAGS $DISABLE_OUTLINER"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+            LDFLAGS="$_SAVE_LDFLAGS"
+        fi
+    fi
+    ;;
+
+*-*linux*)
+    if test "$GNU_CC" -o "$GNU_CXX"; then
+        MOZ_PGO_OPTIMIZE_FLAGS="-O3"
+        if test -n "$MOZ_DEBUG"; then
+            MOZ_OPTIMIZE_FLAGS="-Os"
+        else
+            MOZ_OPTIMIZE_FLAGS="-O2"
+        fi
+        if test -z "$CLANG_CC"; then
+           MOZ_OPTIMIZE_FLAGS="-freorder-blocks $MOZ_OPTIMIZE_FLAGS"
+        fi
+    fi
+
+    case "${target_cpu}" in
+    alpha*)
+        CFLAGS="$CFLAGS -mieee"
+        CXXFLAGS="$CXXFLAGS -mieee"
+    ;;
+    esac
+    ;;
+*-mingw*)
+    DSO_PIC_CFLAGS=
+    # certain versions of cygwin's makedepend barf on the
+    # #include <string> vs -I./dist/include/string issue so don't use it
+    if test -n "$GNU_CC" -o -n "$CLANG_CC"; then
+        # $GNU_CC will match gcc and clang; while $CLANG_CC will match only clang
+        if test -z "$CLANG_CC"; then
+            { echo "configure: error: Firefox cannot be built with mingw-gcc and requires a mingw-clang toolchain to work" 1>&2; echo "configure: error: Firefox cannot be built with mingw-gcc and requires a mingw-clang toolchain to work" 1>&5; exit 1; }
+        fi
+
+        DSO_LDOPTS='-shared'
+        MOZ_FIX_LINK_PATHS=
+
+        MOZ_OPTIMIZE_FLAGS="-O2"
+
+        WIN32_CONSOLE_EXE_LDFLAGS=-mconsole
+        WIN32_GUI_EXE_LDFLAGS=-mwindows
+
+        # Silence problematic clang warnings
+        CXXFLAGS="$CXXFLAGS -Wno-incompatible-ms-struct"
+        LDFLAGS="$LDFLAGS -Wl,--no-insert-timestamp"
+    else
+        TARGET_COMPILER_ABI=msvc
+        # aarch64 doesn't support subsystems below 6.02
+        if test "$CPU_ARCH" = "aarch64"; then
+            WIN32_SUBSYSTEM_VERSION=6.02
+        else
+            WIN32_SUBSYSTEM_VERSION=6.01
+        fi
+        WIN32_CONSOLE_EXE_LDFLAGS=-SUBSYSTEM:CONSOLE,$WIN32_SUBSYSTEM_VERSION
+        WIN32_GUI_EXE_LDFLAGS=-SUBSYSTEM:WINDOWS,$WIN32_SUBSYSTEM_VERSION
+        DSO_LDOPTS=-SUBSYSTEM:WINDOWS,$WIN32_SUBSYSTEM_VERSION
+        _DEFINES_CFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
+        _DEFINES_CXXFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
+        CFLAGS="$CFLAGS -Gy -Zc:inline"
+        CXXFLAGS="$CXXFLAGS -Gy -Zc:inline"
+        if test "$CPU_ARCH" = "x86"; then
+                                                
+            if test -z `echo $CFLAGS | grep -i [-/]arch:`; then
+              CFLAGS="$CFLAGS -arch:SSE2"
+            fi
+            if test -z `echo $CXXFLAGS | grep -i [-/]arch:`; then
+              CXXFLAGS="$CXXFLAGS -arch:SSE2"
+            fi
+            
+        fi
+                                if test -z "$MOZ_ASAN"; then
+            CFLAGS="$CFLAGS -Gw"
+            CXXFLAGS="$CXXFLAGS -Gw"
+        else
+            # String tail merging doesn't play nice with ASan's ODR checker.
+            LDFLAGS="$LDFLAGS -opt:nolldtailmerge"
+        fi
+        # Silence VS2017 15.5+ TR1 deprecation warnings hit by older gtest versions
+        CXXFLAGS="$CXXFLAGS -D_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING"
+        MOZ_DEBUG_LDFLAGS='-DEBUG'
+        if test "$HOST_OS_ARCH" != "WINNT"; then
+          # %_PDB% is a special signal to emit only the PDB basename. This
+          # avoids problems in Windows tools that don't like forward-slashes.
+          MOZ_DEBUG_LDFLAGS="$MOZ_DEBUG_LDFLAGS -PDBALTPATH:%_PDB%"
+        fi
+        MOZ_OPTIMIZE_FLAGS='-O2'
+        MOZ_FIX_LINK_PATHS=
+        LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE"
+    fi
+    cat >> confdefs.pytmp <<\EOF
+    (''' WIN32_LEAN_AND_MEAN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define WIN32_LEAN_AND_MEAN 1
+EOF
+
+        cat >> confdefs.pytmp <<\EOF
+    (''' NOMINMAX ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define NOMINMAX 1
+EOF
+
+    BIN_SUFFIX='.exe'
+
+    case "$host_os" in
+    cygwin*|msvc*|mks*)
+        { echo "configure: error: Using a Cygwin build environment is unsupported. Configure cannot check for presence of necessary headers. Please upgrade to MozillaBuild; see https://developer.mozilla.org/en/Windows_Build_Prerequisites." 1>&2; echo "configure: error: Using a Cygwin build environment is unsupported. Configure cannot check for presence of necessary headers. Please upgrade to MozillaBuild; see https://developer.mozilla.org/en/Windows_Build_Prerequisites." 1>&5; exit 1; }
+        ;;
+    esac
+
+    case "$target" in
+    i*86-*)
+        if test -n "$GNU_CC"; then
+            CFLAGS="$CFLAGS -mstackrealign"
+            CXXFLAGS="$CXXFLAGS -mstackrealign"
+            LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
+        else
+            DSO_LDOPTS="$DSO_LDOPTS -MACHINE:X86"
+            LDFLAGS="$LDFLAGS -SAFESEH"
+        fi
+
+        cat >> confdefs.pytmp <<\EOF
+    (''' _X86_ ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _X86_ 1
+EOF
+
+        ;;
+    x86_64-*)
+        if test -n "$_WIN32_MSVC"; then
+            DSO_LDOPTS="$DSO_LDOPTS -MACHINE:X64"
+        fi
+        cat >> confdefs.pytmp <<\EOF
+    (''' _AMD64_ ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _AMD64_ 1
+EOF
+
+        ;;
+    aarch64-*)
+        if test -n "$_WIN32_MSVC"; then
+            DSO_LDOPTS="$DSO_LDOPTS -MACHINE:ARM64"
+        fi
+        cat >> confdefs.pytmp <<\EOF
+    (''' _ARM64_ ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _ARM64_ 1
+EOF
+
+        ;;
+    *)
+        cat >> confdefs.pytmp <<\EOF
+    (''' _CPU_ARCH_NOT_DEFINED ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _CPU_ARCH_NOT_DEFINED 1
+EOF
+
+        ;;
+    esac
+    ;;
+
+*-netbsd*)
+    CFLAGS="$CFLAGS -Dunix"
+    CXXFLAGS="$CXXFLAGS -Dunix"
+    if $CC -E - -dM </dev/null | grep __ELF__ >/dev/null; then
+        DSO_PIC_CFLAGS='-fPIC -DPIC'
+        DSO_LDOPTS='-shared'
+        MOZ_PROGRAM_LDFLAGS="$MOZ_PROGRAM_LDFLAGS -Wl,--export-dynamic"
+    else
+        DSO_PIC_CFLAGS='-fPIC -DPIC'
+        DSO_LDOPTS='-shared'
+    fi
+    # This will fail on a.out systems prior to 1.5.1_ALPHA.
+    if test "$LIBRUNPATH"; then
+        DSO_LDOPTS="-Wl,-R$LIBRUNPATH $DSO_LDOPTS"
+    fi
+    ;;
+
+*-openbsd*)
+    if test -z "$X11BASE"; then
+        X11BASE=/usr/X11R6
+    fi
+    MOZ_FIX_LINK_PATHS="$MOZ_FIX_LINK_PATHS -Wl,-rpath-link,${X11BASE}/lib"
+    DSO_PIC_CFLAGS='-fPIC'
+    DSO_LDOPTS='-shared -fPIC'
+    if test "$LIBRUNPATH"; then
+        DSO_LDOPTS="-R$LIBRUNPATH $DSO_LDOPTS"
+    fi
+    ;;
+
+*-solaris*)
+    MOZ_FIX_LINK_PATHS="-L${DIST}/bin"
+    ;;
+
+esac
+
+CFLAGS="$CFLAGS $DSO_PIC_CFLAGS"
+CXXFLAGS="$CXXFLAGS $DSO_PIC_CFLAGS"
+
+if test -z "$MOZ_OPTIMIZE_FLAGS"; then
+    MOZ_OPTIMIZE_FLAGS="-O"
+fi
+
+
+if test -z "$COMPILE_ENVIRONMENT"; then
+    SKIP_COMPILER_CHECKS=1
+    SKIP_LIBRARY_CHECKS=1
+    
+
+if test -z "$MOZ_DEBUG" -o -n "$MOZ_ASAN"; then
+    MOZ_NO_DEBUG_RTL=1
+fi
+
+
+
+if test -n "$MOZ_DEBUG"; then
+    if test -n "$COMPILE_ENVIRONMENT"; then
+        echo $ac_n "checking for valid debug flags""... $ac_c" 1>&6
+echo "configure:2936: checking for valid debug flags" >&5
+        _SAVE_CFLAGS=$CFLAGS
+        CFLAGS="$CFLAGS $MOZ_DEBUG_FLAGS"
+        cat > conftest.$ac_ext <<EOF
+#line 2940 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+int main() {
+printf("Hello World\n");
+; return 0; }
+EOF
+if { (eval echo configure:2947: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  _results=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  _results=no
+fi
+rm -f conftest*
+        echo "$ac_t""$_results" 1>&6
+        if test "$_results" = "no"; then
+            { echo "configure: error: These compiler flags are invalid: $MOZ_DEBUG_FLAGS" 1>&2; echo "configure: error: These compiler flags are invalid: $MOZ_DEBUG_FLAGS" 1>&5; exit 1; }
+        fi
+        CFLAGS=$_SAVE_CFLAGS
+    fi
+fi
+
+else
+    
+  
+
+if test -z "$MOZ_DEBUG" -o -n "$MOZ_ASAN"; then
+    MOZ_NO_DEBUG_RTL=1
+fi
+
+
+
+if test -n "$MOZ_DEBUG"; then
+    if test -n "$COMPILE_ENVIRONMENT"; then
+        echo $ac_n "checking for valid debug flags""... $ac_c" 1>&6
+echo "configure:2978: checking for valid debug flags" >&5
+        _SAVE_CFLAGS=$CFLAGS
+        CFLAGS="$CFLAGS $MOZ_DEBUG_FLAGS"
+        cat > conftest.$ac_ext <<EOF
+#line 2982 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+int main() {
+printf("Hello World\n");
+; return 0; }
+EOF
+if { (eval echo configure:2989: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  _results=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  _results=no
+fi
+rm -f conftest*
+        echo "$ac_t""$_results" 1>&6
+        if test "$_results" = "no"; then
+            { echo "configure: error: These compiler flags are invalid: $MOZ_DEBUG_FLAGS" 1>&2; echo "configure: error: These compiler flags are invalid: $MOZ_DEBUG_FLAGS" 1>&5; exit 1; }
+        fi
+        CFLAGS=$_SAVE_CFLAGS
+    fi
+fi
+
+  
+if test -z "$_MOZ_USE_RTTI"; then
+    if test "$GNU_CC"; then
+        CXXFLAGS="$CXXFLAGS -fno-rtti"
+    else
+        case "$target" in
+        *-mingw*)
+            CXXFLAGS="$CXXFLAGS -GR-"
+        esac
+    fi
+fi
+
+
+if test "$GNU_CC"; then
+    if test -z "$DEVELOPER_OPTIONS"; then
+        CFLAGS="$CFLAGS -ffunction-sections -fdata-sections"
+        CXXFLAGS="$CXXFLAGS -ffunction-sections -fdata-sections"
+    fi
+
+    CFLAGS="$CFLAGS -fno-math-errno"
+    CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-math-errno"
+fi
+
+
+if test "$GNU_CC" -a "$GCC_USE_GNU_LD" -a -z "$MOZ_DISABLE_ICF" -a -z "$DEVELOPER_OPTIONS"; then
+    echo $ac_n "checking whether the linker supports Identical Code Folding""... $ac_c" 1>&6
+echo "configure:3033: checking whether the linker supports Identical Code Folding" >&5
+if eval "test \"`echo '$''{'LD_SUPPORTS_ICF'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'int foo() {return 42;}' \
+              'int bar() {return 42;}' \
+              'int main() {return foo() - bar();}' > conftest.${ac_ext}
+        # If the linker supports ICF, foo and bar symbols will have
+        # the same address
+        if { ac_try='${CC-cc} -o conftest${ac_exeext} $LDFLAGS -Wl,--icf=safe -ffunction-sections conftest.${ac_ext} $LIBS 1>&2'; { (eval echo configure:3042: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } &&
+           test -s conftest${ac_exeext} &&
+           $LLVM_OBJDUMP -t conftest${ac_exeext} | awk '{a[$6] = $1} END {if (a["foo"] && (a["foo"] != a["bar"])) { exit 1 }}'; then
+            LD_SUPPORTS_ICF=yes
+        else
+            LD_SUPPORTS_ICF=no
+        fi
+        rm -rf conftest*
+fi
+
+echo "$ac_t""$LD_SUPPORTS_ICF" 1>&6
+    if test "$LD_SUPPORTS_ICF" = yes; then
+        _SAVE_LDFLAGS="$LDFLAGS -Wl,--icf=safe"
+        LDFLAGS="$LDFLAGS -Wl,--icf=safe -Wl,--print-icf-sections"
+        cat > conftest.$ac_ext <<EOF
+#line 3057 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:3064: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  LD_PRINT_ICF_SECTIONS=-Wl,--print-icf-sections
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  LD_PRINT_ICF_SECTIONS=
+fi
+rm -f conftest*
+        
+        LDFLAGS="$_SAVE_LDFLAGS"
+    fi
+fi
+
+
+SANCOV=
+if test -n "$LIBFUZZER"; then
+    case "$LIBFUZZER_FLAGS" in
+    *-fsanitize-coverage*|*-fsanitize=fuzzer*)
+        SANCOV=1
+        ;;
+    esac
+fi
+
+if test "$GNU_CC" -a "$GCC_USE_GNU_LD" -a -z "$DEVELOPER_OPTIONS" -a -z "$MOZ_PROFILE_GENERATE" -a -z "$SANCOV"; then
+    if test -n "$MOZ_DEBUG_FLAGS"; then
+                echo $ac_n "checking whether removing dead symbols breaks debugging""... $ac_c" 1>&6
+echo "configure:3092: checking whether removing dead symbols breaks debugging" >&5
+if eval "test \"`echo '$''{'GC_SECTIONS_BREAKS_DEBUG_RANGES'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'int foo() {return 42;}' \
+                  'int bar() {return 1;}' \
+                  'int main() {return foo();}' > conftest.${ac_ext}
+            if { ac_try='${CC-cc} -o conftest.${ac_objext} $CFLAGS $MOZ_DEBUG_FLAGS -c conftest.${ac_ext} 1>&2'; { (eval echo configure:3099: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } &&
+                { ac_try='${CC-cc} -o conftest${ac_exeext} $LDFLAGS $MOZ_DEBUG_FLAGS -Wl,--gc-sections conftest.${ac_objext} $LIBS 1>&2'; { (eval echo configure:3100: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } &&
+                test -s conftest${ac_exeext} -a -s conftest.${ac_objext}; then
+                 if test "`$PYTHON3 -m mozbuild.configure.check_debug_ranges conftest.${ac_objext} conftest.${ac_ext}`" = \
+                         "`$PYTHON3 -m mozbuild.configure.check_debug_ranges conftest${ac_exeext} conftest.${ac_ext}`"; then
+                     GC_SECTIONS_BREAKS_DEBUG_RANGES=no
+                 else
+                     GC_SECTIONS_BREAKS_DEBUG_RANGES=yes
+                 fi
+             else
+                                    GC_SECTIONS_BREAKS_DEBUG_RANGES="no, but it's broken in some other way"
+             fi
+             rm -rf conftest*
+fi
+
+echo "$ac_t""$GC_SECTIONS_BREAKS_DEBUG_RANGES" 1>&6
+         if test "$GC_SECTIONS_BREAKS_DEBUG_RANGES" = no; then
+             DSO_LDOPTS="$DSO_LDOPTS -Wl,--gc-sections"
+         fi
+    else
+        DSO_LDOPTS="$DSO_LDOPTS -Wl,--gc-sections"
+    fi
+fi
+
+if test "$GNU_CC$CLANG_CC"; then
+    case "${OS_TARGET}" in
+    Darwin|WASI)
+        # It's the default on those targets, and clang complains about -pie
+        # being unused if passed.
+        ;;
+    *)
+        MOZ_PROGRAM_LDFLAGS="$MOZ_PROGRAM_LDFLAGS -pie"
+        ;;
+    esac
+fi
+
+
+
+if test -n "$GCC_USE_GNU_LD"; then
+  case "$LDFLAGS" in
+  *-fsanitize=address*)
+    LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
+    ;;
+  esac
+fi
+
+
+fi # COMPILE_ENVIRONMENT
+
+if test -z "$SKIP_COMPILER_CHECKS"; then
+echo $ac_n "checking for working const""... $ac_c" 1>&6
+echo "configure:3150: checking for working const" >&5
+if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3155 "configure"
+#include "confdefs.h"
+
+int main() {
+
+/* Ultrix mips cc rejects this.  */
+typedef int charset[2]; const charset x;
+/* SunOS 4.1.1 cc rejects this.  */
+char const *const *ccp;
+char **p;
+/* NEC SVR4.0.2 mips cc rejects this.  */
+struct point {int x, y;};
+static struct point const zero = {0,0};
+/* AIX XL C 1.02.0.0 rejects this.
+   It does not let you subtract one const X* pointer from another in an arm
+   of an if-expression whose if-part is not a constant expression */
+const char *g = "string";
+ccp = &g + (g ? g-g : 0);
+/* HPUX 7.0 cc rejects these. */
+++ccp;
+p = (char**) ccp;
+ccp = (char const *const *) p;
+{ /* SCO 3.2v4 cc rejects this.  */
+  char *t;
+  char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+  *t++ = 0;
+}
+{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
+  int x[] = {25, 17};
+  const int *foo = &x[0];
+  ++foo;
+}
+{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+  typedef const int *iptr;
+  iptr p = 0;
+  ++p;
+}
+{ /* AIX XL C 1.02.0.0 rejects this saying
+     "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+  struct s { int j; const int *ap[3]; };
+  struct s *b; b->j = 5;
+}
+{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+  const int foo = 10;
+}
+
+; return 0; }
+EOF
+if { (eval echo configure:3204: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_c_const=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_c_const=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_c_const" 1>&6
+if test $ac_cv_c_const = no; then
+  cat >> confdefs.pytmp <<\EOF
+    (''' const ''', r'''  ''')
+EOF
+cat >> confdefs.h <<\EOF
+#define const 
+EOF
+
+fi
+
+
+
+echo $ac_n "checking for mode_t""... $ac_c" 1>&6
+echo "configure:3230: checking for mode_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3235 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "(^|[^a-zA-Z_0-9])mode_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
+  rm -rf conftest*
+  ac_cv_type_mode_t=yes
+else
+  rm -rf conftest*
+  ac_cv_type_mode_t=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_type_mode_t" 1>&6
+if test $ac_cv_type_mode_t = no; then
+  cat >> confdefs.pytmp <<\EOF
+    (''' mode_t ''', r''' int ''')
+EOF
+cat >> confdefs.h <<\EOF
+#define mode_t int
+EOF
+
+fi
+
+
+
+echo $ac_n "checking for off_t""... $ac_c" 1>&6
+echo "configure:3268: checking for off_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3273 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "(^|[^a-zA-Z_0-9])off_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
+  rm -rf conftest*
+  ac_cv_type_off_t=yes
+else
+  rm -rf conftest*
+  ac_cv_type_off_t=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_type_off_t" 1>&6
+if test $ac_cv_type_off_t = no; then
+  cat >> confdefs.pytmp <<\EOF
+    (''' off_t ''', r''' long ''')
+EOF
+cat >> confdefs.h <<\EOF
+#define off_t long
+EOF
+
+fi
+
+
+
+echo $ac_n "checking for pid_t""... $ac_c" 1>&6
+echo "configure:3306: checking for pid_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3311 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "(^|[^a-zA-Z_0-9])pid_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
+  rm -rf conftest*
+  ac_cv_type_pid_t=yes
+else
+  rm -rf conftest*
+  ac_cv_type_pid_t=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_type_pid_t" 1>&6
+if test $ac_cv_type_pid_t = no; then
+  cat >> confdefs.pytmp <<\EOF
+    (''' pid_t ''', r''' int ''')
+EOF
+cat >> confdefs.h <<\EOF
+#define pid_t int
+EOF
+
+fi
+
+
+
+echo $ac_n "checking for size_t""... $ac_c" 1>&6
+echo "configure:3344: checking for size_t" >&5
+if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3349 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "(^|[^a-zA-Z_0-9])size_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
+  rm -rf conftest*
+  ac_cv_type_size_t=yes
+else
+  rm -rf conftest*
+  ac_cv_type_size_t=no
+fi
+rm -f conftest*
+
+fi
+echo "$ac_t""$ac_cv_type_size_t" 1>&6
+if test $ac_cv_type_size_t = no; then
+  cat >> confdefs.pytmp <<\EOF
+    (''' size_t ''', r''' unsigned ''')
+EOF
+cat >> confdefs.h <<\EOF
+#define size_t unsigned
+EOF
+
+fi
+
+ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+
+ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+if test "$GNU_CXX"; then
+    echo $ac_n "checking whether 64-bits std::atomic requires -latomic""... $ac_c" 1>&6
+echo "configure:3428: checking whether 64-bits std::atomic requires -latomic" >&5
+if eval "test \"`echo '$''{'ac_cv_needs_atomic'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3433 "configure"
+#include "confdefs.h"
+#include <cstdint>
+             #include <atomic>
+int main() {
+ std::atomic<uint64_t> foo; foo = 1; 
+; return 0; }
+EOF
+if { (eval echo configure:3441: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  ac_cv_needs_atomic=no
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  _SAVE_LIBS="$LIBS"
+            LIBS="$LIBS -latomic"
+            cat > conftest.$ac_ext <<EOF
+#line 3451 "configure"
+#include "confdefs.h"
+#include <cstdint>
+                 #include <atomic>
+int main() {
+ std::atomic<uint64_t> foo; foo = 1; 
+; return 0; }
+EOF
+if { (eval echo configure:3459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  ac_cv_needs_atomic=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_needs_atomic="do not know; assuming no"
+fi
+rm -f conftest*
+            LIBS="$_SAVE_LIBS"
+        
+fi
+rm -f conftest*
+    
+fi
+
+echo "$ac_t""$ac_cv_needs_atomic" 1>&6
+    if test "$ac_cv_needs_atomic" = yes; then
+      MOZ_NEEDS_LIBATOMIC=1
+    else
+      MOZ_NEEDS_LIBATOMIC=
+    fi
+    
+fi
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+ac_header_dirent=no
+for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
+echo "configure:3514: checking for $ac_hdr that defines DIR" >&5
+if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3519 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <$ac_hdr>
+int main() {
+DIR *dirp = 0;
+; return 0; }
+EOF
+if { (eval echo configure:3527: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  eval "ac_cv_header_dirent_$ac_safe=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_dirent_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_dirent_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.pytmp <<EOF
+    (''' $ac_tr_hdr ''', ' 1 ')
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ ac_header_dirent=$ac_hdr; break
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
+if test $ac_header_dirent = dirent.h; then
+echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
+echo "configure:3555: checking for opendir in -ldir" >&5
+ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-ldir  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3563 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char opendir();
+
+int main() {
+opendir()
+; return 0; }
+EOF
+if { (eval echo configure:3574: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  LIBS="$LIBS -ldir"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+else
+echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
+echo "configure:3596: checking for opendir in -lx" >&5
+ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lx  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3604 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char opendir();
+
+int main() {
+opendir()
+; return 0; }
+EOF
+if { (eval echo configure:3615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  LIBS="$LIBS -lx"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+
+
+echo $ac_n "checking for gethostbyname_r in -lc_r""... $ac_c" 1>&6
+echo "configure:3639: checking for gethostbyname_r in -lc_r" >&5
+ac_lib_var=`echo c_r'_'gethostbyname_r | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lc_r  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3647 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char gethostbyname_r();
+
+int main() {
+gethostbyname_r()
+; return 0; }
+EOF
+if { (eval echo configure:3658: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo c_r | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.pytmp <<EOF
+    (''' $ac_tr_lib ''', ' 1 ')
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lc_r $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+case $target in
+*-darwin*)
+    ;;
+*)
+    
+echo $ac_n "checking for library containing dlopen""... $ac_c" 1>&6
+echo "configure:3695: checking for library containing dlopen" >&5
+if eval "test \"`echo '$''{'ac_cv_search_dlopen'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_func_search_save_LIBS="$LIBS"
+ac_cv_search_dlopen="no"
+cat > conftest.$ac_ext <<EOF
+#line 3702 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char dlopen();
+
+int main() {
+dlopen()
+; return 0; }
+EOF
+if { (eval echo configure:3713: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  ac_cv_search_dlopen="none required"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+test "$ac_cv_search_dlopen" = "no" && for i in dl; do
+LIBS="-l$i  $ac_func_search_save_LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3724 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char dlopen();
+
+int main() {
+dlopen()
+; return 0; }
+EOF
+if { (eval echo configure:3735: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  ac_cv_search_dlopen="-l$i"
+break
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+done
+LIBS="$ac_func_search_save_LIBS"
+fi
+
+echo "$ac_t""$ac_cv_search_dlopen" 1>&6
+if test "$ac_cv_search_dlopen" != "no"; then
+  test "$ac_cv_search_dlopen" = "none required" || LIBS="$ac_cv_search_dlopen $LIBS"
+     ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
+  echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
+echo "configure:3753: checking for dlfcn.h" >&5
+  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+   cat > conftest.$ac_ext <<EOF
+#line 3758 "configure"
+#include "confdefs.h"
+
+#include <dlfcn.h>
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:3766: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest* 
+fi
+
+  if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+    echo "$ac_t""yes" 1>&6
+    cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_DLOPEN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_DLOPEN 1
+EOF
+
+  else
+    echo "$ac_t""no" 1>&6
+    
+  fi
+
+else :
+  
+fi
+    ;;
+esac
+
+_SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -D_GNU_SOURCE"
+for ac_func in dladdr
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:3803: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3808 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char $ac_func();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+$ac_func();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3831: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+  cat >> confdefs.pytmp <<EOF
+    (''' $ac_tr_func ''', ' 1 ')
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_func 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
+CFLAGS="$_SAVE_CFLAGS"
+
+if test ! "$GNU_CXX"; then
+    echo $ac_n "checking for demangle in -lC""... $ac_c" 1>&6
+echo "configure:3862: checking for demangle in -lC" >&5
+ac_lib_var=`echo C'_'demangle | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lC  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3870 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char demangle();
+
+int main() {
+demangle()
+; return 0; }
+EOF
+if { (eval echo configure:3881: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo C | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.pytmp <<EOF
+    (''' $ac_tr_lib ''', ' 1 ')
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lC $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+
+echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
+echo "configure:3914: checking for socket in -lsocket" >&5
+ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lsocket  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3922 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char socket();
+
+int main() {
+socket()
+; return 0; }
+EOF
+if { (eval echo configure:3933: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo socket | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.pytmp <<EOF
+    (''' $ac_tr_lib ''', ' 1 ')
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lsocket $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+case "$target_os" in
+darwin*)
+    MOZ_USE_PTHREADS=1
+    ;;
+*)
+    echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
+echo "configure:3970: checking for pthread_create in -lpthreads" >&5
+ac_lib_var=`echo pthreads'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lpthreads  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3978 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:3989: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthreads"
+else
+  echo "$ac_t""no" 1>&6
+echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
+echo "configure:4008: checking for pthread_create in -lpthread" >&5
+ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lpthread  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 4016 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:4027: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthread"
+else
+  echo "$ac_t""no" 1>&6
+echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
+echo "configure:4046: checking for pthread_create in -lc_r" >&5
+ac_lib_var=`echo c_r'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lc_r  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 4054 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:4065: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lc_r"
+else
+  echo "$ac_t""no" 1>&6
+echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
+echo "configure:4084: checking for pthread_create in -lc" >&5
+ac_lib_var=`echo c'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lc  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 4092 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:4103: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  MOZ_USE_PTHREADS=1
+                
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+            
+fi
+
+        
+fi
+
+    
+fi
+
+    ;;
+esac
+
+if test "$MOZ_USE_PTHREADS"x != x
+then
+                rm -f conftest*
+    ac_cv_have_dash_pthread=no
+    echo $ac_n "checking whether ${CC-cc} accepts -pthread""... $ac_c" 1>&6
+echo "configure:4141: checking whether ${CC-cc} accepts -pthread" >&5
+    echo 'int main() { return 0; }' | cat > conftest.c
+    ${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
+    if test $? -eq 0; then
+        if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthread`" -a -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
+            ac_cv_have_dash_pthread=yes
+            case "$target_os" in
+            freebsd*)
+# Freebsd doesn't use -pthread for compiles, it uses them for linking
+                ;;
+            *)
+                CFLAGS="$CFLAGS -pthread"
+                CXXFLAGS="$CXXFLAGS -pthread"
+                ;;
+            esac
+        fi
+    fi
+    rm -f conftest*
+    echo "$ac_t""$ac_cv_have_dash_pthread" 1>&6
+
+                ac_cv_have_dash_pthreads=no
+    if test "$ac_cv_have_dash_pthread" = "no"; then
+        echo $ac_n "checking whether ${CC-cc} accepts -pthreads""... $ac_c" 1>&6
+echo "configure:4164: checking whether ${CC-cc} accepts -pthreads" >&5
+        echo 'int main() { return 0; }' | cat > conftest.c
+        ${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
+        if test $? -eq 0; then
+            if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthreads`" -a -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
+                ac_cv_have_dash_pthreads=yes
+                CFLAGS="$CFLAGS -pthreads"
+                CXXFLAGS="$CXXFLAGS -pthreads"
+            fi
+        fi
+        rm -f conftest*
+        echo "$ac_t""$ac_cv_have_dash_pthreads" 1>&6
+    fi
+
+    case "$target" in
+        *-*-freebsd*)
+            cat >> confdefs.pytmp <<\EOF
+    (''' _REENTRANT ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _REENTRANT 1
+EOF
+
+            cat >> confdefs.pytmp <<\EOF
+    (''' _THREAD_SAFE ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _THREAD_SAFE 1
+EOF
+
+                        if test "$ac_cv_have_dash_pthread" = "yes"; then
+                _PTHREAD_LDFLAGS="-pthread"
+            fi
+            ;;
+
+        *-*-openbsd*|*-*-bsdi*)
+            cat >> confdefs.pytmp <<\EOF
+    (''' _REENTRANT ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _REENTRANT 1
+EOF
+
+            cat >> confdefs.pytmp <<\EOF
+    (''' _THREAD_SAFE ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _THREAD_SAFE 1
+EOF
+
+                        if test "$ac_cv_have_dash_pthread" = "yes"; then
+                _PTHREAD_LDFLAGS="-pthread"
+            fi
+            ;;
+
+        *-*-linux*|*-*-kfreebsd*-gnu|*-*-gnu*)
+            cat >> confdefs.pytmp <<\EOF
+    (''' _REENTRANT ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define _REENTRANT 1
+EOF
+
+            ;;
+
+    esac
+    LDFLAGS="${_PTHREAD_LDFLAGS} ${LDFLAGS}"
+    
+     for ac_hdr in pthread.h
+  do
+       ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+  echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:4236: checking for $ac_hdr" >&5
+  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+   cat > conftest.$ac_ext <<EOF
+#line 4241 "configure"
+#include "confdefs.h"
+
+#include <$ac_hdr>
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:4249: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest* 
+fi
+
+  if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+    echo "$ac_t""yes" 1>&6
+     ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+                       cat >> confdefs.pytmp <<EOF
+    (''' $ac_tr_hdr ''', ' 1 ')
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+  else
+    echo "$ac_t""no" 1>&6
+    
+  fi
+
+  done
+
+fi
+
+
+
+echo $ac_n "checking for clock_gettime(CLOCK_MONOTONIC)""... $ac_c" 1>&6
+echo "configure:4283: checking for clock_gettime(CLOCK_MONOTONIC)" >&5
+if eval "test \"`echo '$''{'ac_cv_clock_monotonic'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  for libs in "" -lrt; do
+                    _SAVE_LIBS="$LIBS"
+                    LIBS="$LIBS $libs"
+                    cat > conftest.$ac_ext <<EOF
+#line 4291 "configure"
+#include "confdefs.h"
+#define availability(os, ...) availability(os, strict, __VA_ARGS)
+                                 #include <time.h>
+int main() {
+ struct timespec ts;
+                                   clock_gettime(CLOCK_MONOTONIC, &ts); 
+; return 0; }
+EOF
+if { (eval echo configure:4300: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  ac_cv_clock_monotonic=$libs
+                                 LIBS="$_SAVE_LIBS"
+                                 break
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_clock_monotonic=no
+fi
+rm -f conftest*
+                    LIBS="$_SAVE_LIBS"
+                done
+fi
+
+echo "$ac_t""$ac_cv_clock_monotonic" 1>&6
+if test "$ac_cv_clock_monotonic" != "no"; then
+    HAVE_CLOCK_MONOTONIC=1
+    REALTIME_LIBS=$ac_cv_clock_monotonic
+    cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_CLOCK_MONOTONIC ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_CLOCK_MONOTONIC 1
+EOF
+
+    
+    
+fi
+
+echo $ac_n "checking for res_ninit()""... $ac_c" 1>&6
+echo "configure:4332: checking for res_ninit()" >&5
+if eval "test \"`echo '$''{'ac_cv_func_res_ninit'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$OS_TARGET" = NetBSD -o "$OS_TARGET" = OpenBSD; then
+                ac_cv_func_res_ninit=no
+     else
+        cat > conftest.$ac_ext <<EOF
+#line 4340 "configure"
+#include "confdefs.h"
+
+            #ifdef linux
+            #define _BSD_SOURCE 1
+            #endif
+            #include <sys/types.h>
+            #include <netinet/in.h>
+            #include <arpa/nameser.h>
+            #include <resolv.h>
+            
+int main() {
+int foo = res_ninit(&_res);
+; return 0; }
+EOF
+if { (eval echo configure:4355: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  ac_cv_func_res_ninit=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_func_res_ninit=no
+fi
+rm -f conftest*
+     fi
+    
+fi
+
+echo "$ac_t""$ac_cv_func_res_ninit" 1>&6
+
+if test "$ac_cv_func_res_ninit" = "yes"; then
+    cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_RES_NINIT ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_RES_NINIT 1
+EOF
+
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+ac_ext=C
+# CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cxx_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+ARM_ABI_PREFIX=
+if test "$GNU_CC"; then
+  if test "$CPU_ARCH" = "arm" ; then
+    echo $ac_n "checking for ARM EABI""... $ac_c" 1>&6
+echo "configure:4409: checking for ARM EABI" >&5
+if eval "test \"`echo '$''{'ac_cv_gcc_arm_eabi'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4414 "configure"
+#include "confdefs.h"
+
+int main() {
+
+#if defined(__ARM_EABI__)
+  return 0;
+#else
+#error Not ARM EABI.
+#endif
+                        
+; return 0; }
+EOF
+if { (eval echo configure:4427: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_gcc_arm_eabi="yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_gcc_arm_eabi="no"
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_gcc_arm_eabi" 1>&6
+    if test "$ac_cv_gcc_arm_eabi" = "yes"; then
+        HAVE_ARM_EABI=1
+        ARM_ABI_PREFIX=eabi-
+    else
+        ARM_ABI_PREFIX=oabi-
+    fi
+  fi
+
+  TARGET_COMPILER_ABI="${TARGET_COMPILER_ABI-${ARM_ABI_PREFIX}gcc3}"
+fi
+
+# try harder, when checking for __thread support, see bug 521750 comment #33 and below
+# We pass MOZ_OPTIMIZE_LDFLAGS to the linker because if dead_strip is
+# enabled, the linker in xcode 4.1 will crash. Without this it would crash when
+# linking XUL.
+_SAVE_LDFLAGS=$LDFLAGS
+LDFLAGS="$LDFLAGS $DSO_LDOPTS $MOZ_OPTIMIZE_LDFLAGS"
+echo $ac_n "checking for __thread keyword for TLS variables""... $ac_c" 1>&6
+echo "configure:4458: checking for __thread keyword for TLS variables" >&5
+if eval "test \"`echo '$''{'ac_cv_thread_keyword'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4463 "configure"
+#include "confdefs.h"
+__thread bool tlsIsMainThread = false;
+int main() {
+return tlsIsMainThread;
+; return 0; }
+EOF
+if { (eval echo configure:4470: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  ac_cv_thread_keyword=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_thread_keyword=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_thread_keyword" 1>&6
+LDFLAGS=$_SAVE_LDFLAGS
+# The custom dynamic linker doesn't support TLS variables
+if test "$ac_cv_thread_keyword" = yes -a "$MOZ_LINKER" != 1; then
+  # mips builds fail with TLS variables because of a binutils bug.
+  # See bug 528687
+  # OpenBSD doesn't have TLS support, and the test succeeds with clang++
+  case "${target}" in
+    mips*-*)
+      :
+      ;;
+    *-android*|*-linuxandroid*)
+      :
+      ;;
+    *-openbsd*)
+      :
+      ;;
+    *)
+      cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_THREAD_TLS_KEYWORD ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_THREAD_TLS_KEYWORD 1
+EOF
+
+      ;;
+  esac
+fi
+
+if test -n "$MOZ_LINKER"; then
+  LDFLAGS="$LDFLAGS -Wl,--hash-style=sysv"
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+fi # ! SKIP_COMPILER_CHECKS
+
+if test -n "${COMPILE_ENVIRONMENT}"; then
+  
+
+
+
+
+MALLOC_HEADERS="malloc.h malloc_np.h malloc/malloc.h sys/malloc.h"
+MALLOC_H=
+
+for file in $MALLOC_HEADERS; do
+     ac_safe=`echo "$file" | sed 'y%./+-%__p_%'`
+  echo $ac_n "checking for $file""... $ac_c" 1>&6
+echo "configure:4541: checking for $file" >&5
+  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+   cat > conftest.$ac_ext <<EOF
+#line 4546 "configure"
+#include "confdefs.h"
+
+#include <$file>
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:4554: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest* 
+fi
+
+  if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+    echo "$ac_t""yes" 1>&6
+    MALLOC_H=$file
+  else
+    echo "$ac_t""no" 1>&6
+    
+  fi
+
+  if test "$MALLOC_H" != ""; then
+    cat >> confdefs.pytmp <<EOF
+    (''' MALLOC_H ''', r''' <$MALLOC_H> ''')
+EOF
+cat >> confdefs.h <<EOF
+#define MALLOC_H <$MALLOC_H>
+EOF
+
+    break
+  fi
+done
+
+MALLOC_USABLE_SIZE_CONST_PTR=const
+if test -n "$HAVE_MALLOC_H"; then
+  echo $ac_n "checking whether malloc_usable_size definition can use const argument""... $ac_c" 1>&6
+echo "configure:4589: checking whether malloc_usable_size definition can use const argument" >&5
+  cat > conftest.$ac_ext <<EOF
+#line 4591 "configure"
+#include "confdefs.h"
+#include <malloc.h>
+                  #include <stddef.h>
+                  size_t malloc_usable_size(const void *ptr);
+int main() {
+return malloc_usable_size(0);
+; return 0; }
+EOF
+if { (eval echo configure:4600: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+                  MALLOC_USABLE_SIZE_CONST_PTR=
+fi
+rm -f conftest*
+fi
+cat >> confdefs.pytmp <<EOF
+    (''' MALLOC_USABLE_SIZE_CONST_PTR ''', r''' $MALLOC_USABLE_SIZE_CONST_PTR ''')
+EOF
+cat >> confdefs.h <<EOF
+#define MALLOC_USABLE_SIZE_CONST_PTR $MALLOC_USABLE_SIZE_CONST_PTR
+EOF
+
+
+
+echo $ac_n "checking for valloc in malloc.h""... $ac_c" 1>&6
+echo "configure:4622: checking for valloc in malloc.h" >&5
+cat > conftest.$ac_ext <<EOF
+#line 4624 "configure"
+#include "confdefs.h"
+#include <malloc.h>
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "valloc" >/dev/null 2>&1; then
+  rm -rf conftest*
+  cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_VALLOC ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_VALLOC 1
+EOF
+
+                echo "$ac_t""yes" 1>&6
+else
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -f conftest*
+
+
+echo $ac_n "checking for valloc in unistd.h""... $ac_c" 1>&6
+echo "configure:4647: checking for valloc in unistd.h" >&5
+cat > conftest.$ac_ext <<EOF
+#line 4649 "configure"
+#include "confdefs.h"
+#include <unistd.h>
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "valloc" >/dev/null 2>&1; then
+  rm -rf conftest*
+  cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_VALLOC ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_VALLOC 1
+EOF
+
+                echo "$ac_t""yes" 1>&6
+else
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -f conftest*
+
+
+echo $ac_n "checking for _aligned_malloc in malloc.h""... $ac_c" 1>&6
+echo "configure:4672: checking for _aligned_malloc in malloc.h" >&5
+cat > conftest.$ac_ext <<EOF
+#line 4674 "configure"
+#include "confdefs.h"
+#include <malloc.h>
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "_aligned_malloc" >/dev/null 2>&1; then
+  rm -rf conftest*
+  cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_ALIGNED_MALLOC ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_ALIGNED_MALLOC 1
+EOF
+
+                echo "$ac_t""yes" 1>&6
+else
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -f conftest*
+
+
+
+
+fi
+
+TARGET_XPCOM_ABI=
+if test -n "${CPU_ARCH}" -a -n "${TARGET_COMPILER_ABI}"; then
+    TARGET_XPCOM_ABI="${CPU_ARCH}-${TARGET_COMPILER_ABI}"
+    cat >> confdefs.pytmp <<EOF
+    (''' TARGET_XPCOM_ABI ''', r''' "${TARGET_XPCOM_ABI}" ''')
+EOF
+cat >> confdefs.h <<EOF
+#define TARGET_XPCOM_ABI "${TARGET_XPCOM_ABI}"
+EOF
+
+fi
+
+
+if test -n "$SKIP_COMPILER_CHECKS"; then
+      cat >> confdefs.pytmp <<\EOF
+    (''' MALLOC_H ''', r''' <malloc.h> ''')
+EOF
+cat >> confdefs.h <<\EOF
+#define MALLOC_H <malloc.h>
+EOF
+
+   cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_FORCEINLINE ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_FORCEINLINE 1
+EOF
+
+fi # SKIP_COMPILER_CHECKS
+
+
+
+MOZ_BRANDING_DIRECTORY=
+MOZ_OFFICIAL_BRANDING=
+MOZ_NO_SMART_CARDS=
+MOZ_BINARY_EXTENSIONS=
+MOZ_DEVTOOLS=server
+
+# Check whether --enable-official-branding or --disable-official-branding was given.
+if test "${enable_official_branding+set}" = set; then
+  enableval="$enable_official_branding"
+  if test "$enableval" = "yes"; then
+    MOZ_OFFICIAL_BRANDING=1
+  elif test "$enableval" = "no"; then
+    MOZ_OFFICIAL_BRANDING=
+  else
+    { echo "configure: error: Option, official-branding, does not take an argument ($enableval)." 1>&2; echo "configure: error: Option, official-branding, does not take an argument ($enableval)." 1>&5; exit 1; }
+  fi
+fi
+
+
+# Allow the application to influence configure with a confvars.sh script.
+echo $ac_n "checking if app-specific confvars.sh exists""... $ac_c" 1>&6
+echo "configure:4753: checking if app-specific confvars.sh exists" >&5
+if test -f "${srcdir}/${MOZ_BUILD_APP}/confvars.sh" ; then
+  echo "$ac_t""${srcdir}/${MOZ_BUILD_APP}/confvars.sh" 1>&6
+  . "${srcdir}/${MOZ_BUILD_APP}/confvars.sh"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+if test -n "$MOZ_OFFICIAL_BRANDING"; then
+  if test -z "$MOZ_OFFICIAL_BRANDING_DIRECTORY"; then
+    { echo "configure: error: You must specify MOZ_OFFICIAL_BRANDING_DIRECTORY to use --enable-official-branding." 1>&2; echo "configure: error: You must specify MOZ_OFFICIAL_BRANDING_DIRECTORY to use --enable-official-branding." 1>&5; exit 1; }
+  else
+    MOZ_BRANDING_DIRECTORY=${MOZ_OFFICIAL_BRANDING_DIRECTORY}
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_OFFICIAL_BRANDING ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_OFFICIAL_BRANDING 1
+EOF
+
+  fi
+fi
+
+# Check whether --with-branding or --without-branding was given.
+if test "${with_branding+set}" = set; then
+  withval="$with_branding"
+  MOZ_BRANDING_DIRECTORY=$withval
+fi
+
+
+REAL_BRANDING_DIRECTORY="${MOZ_BRANDING_DIRECTORY}"
+if test -z "$REAL_BRANDING_DIRECTORY"; then
+  REAL_BRANDING_DIRECTORY=${MOZ_BUILD_APP}/branding/nightly
+fi
+
+if test -f "${_topsrcdir}/$REAL_BRANDING_DIRECTORY/configure.sh"; then
+  . "${_topsrcdir}/$REAL_BRANDING_DIRECTORY/configure.sh"
+fi
+
+
+
+# Check whether --with-distribution-id or --without-distribution-id was given.
+if test "${with_distribution_id+set}" = set; then
+  withval="$with_distribution_id"
+   val=`echo $withval`
+    MOZ_DISTRIBUTION_ID="$val"
+fi
+
+
+if test -z "$MOZ_DISTRIBUTION_ID"; then
+   MOZ_DISTRIBUTION_ID="org.mozilla"
+fi
+
+
+
+
+# Use value from moz.configure if one is defined. Else use our computed
+# value.
+if test -n "${MOZ_CONFIGURE_OPTIMIZE_FLAGS}"; then
+    MOZ_OPTIMIZE_FLAGS=${MOZ_CONFIGURE_OPTIMIZE_FLAGS}
+fi
+
+if test "$COMPILE_ENVIRONMENT"; then
+if test -n "$MOZ_OPTIMIZE"; then
+    echo $ac_n "checking for valid C compiler optimization flags""... $ac_c" 1>&6
+echo "configure:4819: checking for valid C compiler optimization flags" >&5
+    _SAVE_CFLAGS=$CFLAGS
+    CFLAGS="$CFLAGS $MOZ_OPTIMIZE_FLAGS"
+    cat > conftest.$ac_ext <<EOF
+#line 4823 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+int main() {
+printf("Hello World\n");
+; return 0; }
+EOF
+if { (eval echo configure:4830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  _results=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  _results=no
+fi
+rm -f conftest*
+    echo "$ac_t""$_results" 1>&6
+    if test "$_results" = "no"; then
+        { echo "configure: error: These compiler flags for C are invalid: $MOZ_OPTIMIZE_FLAGS" 1>&2; echo "configure: error: These compiler flags for C are invalid: $MOZ_OPTIMIZE_FLAGS" 1>&5; exit 1; }
+    fi
+    CFLAGS=$_SAVE_CFLAGS
+    if test -n "$MOZ_LTO" -a -n "$CLANG_CC"; then
+        # When using llvm-based LTO, non numeric optimization levels are
+        # not supported by the linker, so force the linker to use -O2 (
+        # which doesn't influence the level compilation units are actually
+        # compiled at).
+        case " $MOZ_OPTIMIZE_FLAGS " in
+        *\ -Os\ *|*\ -Oz\ *)
+            MOZ_OPTIMIZE_LDFLAGS="$MOZ_OPTIMIZE_LDFLAGS -O2"
+            ;;
+        esac
+    fi
+fi
+fi # COMPILE_ENVIRONMENT
+
+
+
+
+
+case "${OS_TARGET}" in
+Android|WINNT|Darwin)
+  MOZ_GLUE_IN_PROGRAM=
+  ;;
+*)
+    MOZ_GLUE_IN_PROGRAM=1
+  cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_GLUE_IN_PROGRAM ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_GLUE_IN_PROGRAM 1
+EOF
+
+  ;;
+esac
+
+if test -z "$MOZ_MEMORY"; then
+  case "${target}" in
+    *-mingw*)
+      if test -z "$WIN32_REDIST_DIR" -a -z "$MOZ_DEBUG"; then
+        echo "configure: warning: When not building jemalloc, you need to set WIN32_REDIST_DIR to the path to the Visual C++ Redist (usually VCINSTALLDIR/redist/x86/Microsoft.VC80.CRT, for VC++ v8) if you intend to distribute your build." 1>&2
+      fi
+      ;;
+  esac
+else
+        case "${target}" in
+  *-mingw*)
+    export MOZ_NO_DEBUG_RTL=1
+    ;;
+  esac
+fi # MOZ_MEMORY
+
+
+
+if test -n "$COMPILE_ENVIRONMENT"; then
+
+
+if test -n "$ENABLE_CLANG_PLUGIN"; then
+                                LLVM_CXXFLAGS=`$LLVM_CONFIG --cxxflags | sed -e 's/-isysroot [^ ]*//' -e 's/-gcc-toolchain [^ ]*//'`
+
+    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags | tr '\n' ' '`
+
+    if test "${HOST_OS_ARCH}" = "Darwin"; then
+                                                                CLANG_LDFLAGS="-Wl,-flat_namespace -Wl,-undefined,suppress"
+                        CLANG_LDFLAGS="$CLANG_LDFLAGS `$LLVM_CONFIG --prefix`/lib/libclangASTMatchers.a"
+                                LLVM_LDFLAGS=`echo "$LLVM_LDFLAGS" | sed -E 's/-L[^ ]+\/clang\/lib//'`
+    elif test "${HOST_OS_ARCH}" = "WINNT"; then
+        CLANG_LDFLAGS="clangASTMatchers.lib clang.lib"
+    else
+        CLANG_LDFLAGS="-lclangASTMatchers"
+    fi
+
+    if test -n "$CLANG_CL"; then
+                                        LLVM_REPLACE_CXXFLAGS=''
+        for arg in $LLVM_CXXFLAGS; do
+                                    arg=`echo "$arg"|sed -e 's/^\//-/' -e 's/\\\\/\//g'`
+            LLVM_REPLACE_CXXFLAGS="$LLVM_REPLACE_CXXFLAGS $arg"
+        done
+        LLVM_CXXFLAGS="$LLVM_REPLACE_CXXFLAGS"
+                                LLVM_CXXFLAGS=`echo "$LLVM_CXXFLAGS"|sed -e 's/ \(-Xclang \|\)-std[:=]/ -Xclang -std=/'`
+
+        LLVM_REPLACE_LDFLAGS=''
+        for arg in $LLVM_LDFLAGS; do
+                                    arg=`echo "$arg"|sed -e 's/^\//-/' -e 's/\\\\/\//g'`
+            LLVM_REPLACE_LDFLAGS="$LLVM_REPLACE_LDFLAGS $arg"
+        done
+        LLVM_LDFLAGS="$LLVM_REPLACE_LDFLAGS"
+
+        CLANG_REPLACE_LDFLAGS=''
+        for arg in $CLANG_LDFLAGS; do
+                                    arg=`echo "$arg"|sed -e 's/^\//-/' -e 's/\\\\/\//g'`
+            CLANG_REPLACE_LDFLAGS="$CLANG_REPLACE_LDFLAGS $arg"
+        done
+        CLANG_LDFLAGS="$CLANG_REPLACE_LDFLAGS"
+    fi
+
+    CLANG_PLUGIN_FLAGS="-Xclang -load -Xclang $CLANG_PLUGIN -Xclang -add-plugin -Xclang moz-check"
+
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_CLANG_PLUGIN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_CLANG_PLUGIN 1
+EOF
+
+fi
+
+if test -n "$ENABLE_MOZSEARCH_PLUGIN"; then
+    if test -z "${ENABLE_CLANG_PLUGIN}"; then
+        { echo "configure: error: Can't use mozsearch plugin without --enable-clang-plugin." 1>&2; echo "configure: error: Can't use mozsearch plugin without --enable-clang-plugin." 1>&5; exit 1; }
+    fi
+
+    CLANG_PLUGIN_FLAGS="$CLANG_PLUGIN_FLAGS -Xclang -add-plugin -Xclang mozsearch-index"
+
+        CLANG_PLUGIN_FLAGS="$CLANG_PLUGIN_FLAGS -Xclang -plugin-arg-mozsearch-index -Xclang $_topsrcdir"
+    CLANG_PLUGIN_FLAGS="$CLANG_PLUGIN_FLAGS -Xclang -plugin-arg-mozsearch-index -Xclang $_objdir/mozsearch_index"
+    CLANG_PLUGIN_FLAGS="$CLANG_PLUGIN_FLAGS -Xclang -plugin-arg-mozsearch-index -Xclang $_objdir"
+
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_MOZSEARCH_PLUGIN ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_MOZSEARCH_PLUGIN 1
+EOF
+
+fi
+
+
+
+
+
+
+
+
+
+
+
+fi # COMPILE_ENVIRONMENT
+
+if test -z "$SKIP_COMPILER_CHECKS"; then
+echo $ac_n "checking for -pipe support""... $ac_c" 1>&6
+echo "configure:4984: checking for -pipe support" >&5
+if test -n "$GNU_CC" -a -n "$GNU_CXX"; then
+        CFLAGS="$CFLAGS -pipe"
+    CXXFLAGS="$CXXFLAGS -pipe"
+    echo "$ac_t""yes" 1>&6
+else
+    echo "$ac_t""no" 1>&6
+fi
+
+fi # ! SKIP_COMPILER_CHECKS
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+if test "$CC_TYPE" = "clang-cl"; then
+  ac_link="$ac_compile"' && ${LINKER} -OUT:conftest${ac_exeext} $LDFLAGS conftest.obj $LIBS 1>&5'
+fi
+
+
+if test "$COMPILE_ENVIRONMENT"; then
+
+
+echo $ac_n "checking what kind of list files are supported by the linker""... $ac_c" 1>&6
+echo "configure:5011: checking what kind of list files are supported by the linker" >&5
+if eval "test \"`echo '$''{'EXPAND_LIBS_LIST_STYLE'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo "int main() {return 0;}" > conftest.${ac_ext}
+                         if { ac_try='${CC-cc} -o conftest.${OBJ_SUFFIX} -c $MOZ_LTO_CFLAGS $CFLAGS $CPPFLAGS conftest.${ac_ext} 1>&5'; { (eval echo configure:5016: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } && test -s conftest.${OBJ_SUFFIX}; then
+         echo "INPUT(conftest.${OBJ_SUFFIX})" > conftest.list
+         if test "$CC_TYPE" = "clang-cl"; then
+             link="$LINKER -OUT:conftest${ac_exeext}"
+         else
+             link="${CC-cc} -o conftest${ac_exeext}"
+         fi
+         if { ac_try='$link $MOZ_LTO_LDFLAGS $LDFLAGS conftest.list $LIBS 1>&5'; { (eval echo configure:5023: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } && test -s conftest${ac_exeext}; then
+             EXPAND_LIBS_LIST_STYLE=linkerscript
+         else
+             echo "conftest.${OBJ_SUFFIX}" > conftest.list
+                                                                 if { ac_try='$link $MOZ_LTO_LDFLAGS $LDFLAGS -Wl,-filelist,conftest.list $LIBS 1>&5'; { (eval echo configure:5027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } && test -s conftest${ac_exeext}; then
+                 EXPAND_LIBS_LIST_STYLE=filelist
+             elif { ac_try='$link $MOZ_LTO_LDFLAGS $LDFLAGS @conftest.list $LIBS 1>&5'; { (eval echo configure:5029: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } && test -s conftest${ac_exeext}; then
+                 EXPAND_LIBS_LIST_STYLE=list
+             else
+                 { echo "configure: error: Couldn't find one that works" 1>&2; echo "configure: error: Couldn't find one that works" 1>&5; exit 1; }
+             fi
+         fi
+     else
+                  { echo "configure: error: couldn't compile a simple C file" 1>&2; echo "configure: error: couldn't compile a simple C file" 1>&5; exit 1; }
+     fi
+     rm -rf conftest*
+fi
+
+echo "$ac_t""$EXPAND_LIBS_LIST_STYLE" 1>&6
+
+
+
+
+fi # COMPILE_ENVIRONMENT
+
+
+
+
+
+if test "$OS_ARCH" = "WINNT"; then
+    # For now we assume that we will have a uint64_t available through
+    # one of the above headers or mozstdint.h.
+    cat >> confdefs.pytmp <<\EOF
+    (''' HAVE_UINT64_T ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_UINT64_T 1
+EOF
+
+fi
+
+case "$MOZ_WIDGET_TOOLKIT" in
+  windows)
+    if test "$COMPILE_ENVIRONMENT"; then
+         ac_safe=`echo "d3d10.h" | sed 'y%./+-%__p_%'`
+  echo $ac_n "checking for d3d10.h""... $ac_c" 1>&6
+echo "configure:5069: checking for d3d10.h" >&5
+  if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+   cat > conftest.$ac_ext <<EOF
+#line 5074 "configure"
+#include "confdefs.h"
+
+#include <d3d10.h>
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:5082: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest* 
+fi
+
+  if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+    echo "$ac_t""yes" 1>&6
+    MOZ_ENABLE_D3D10_LAYER=1
+  else
+    echo "$ac_t""no" 1>&6
+    
+  fi
+
+    fi
+    ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "$MOZ_BINARY_EXTENSIONS"; then
+  cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_BINARY_EXTENSIONS ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_BINARY_EXTENSIONS 1
+EOF
+
+fi
+
+# Check whether --with-macbundlename-prefix or --without-macbundlename-prefix was given.
+if test "${with_macbundlename_prefix+set}" = set; then
+  withval="$with_macbundlename_prefix"
+   MOZ_MACBUNDLE_NAME_PREFIX="$withval"
+fi
+
+
+MOZ_MACBUNDLE_NAME=$MOZ_APP_DISPLAYNAME
+if test "$MOZ_MACBUNDLE_NAME_PREFIX"; then
+  MOZ_MACBUNDLE_NAME="${MOZ_MACBUNDLE_NAME_PREFIX}${MOZ_MACBUNDLE_NAME}"
+fi
+
+if test "$MOZ_DEBUG"; then
+  MOZ_MACBUNDLE_NAME="${MOZ_MACBUNDLE_NAME}Debug.app"
+else
+  MOZ_MACBUNDLE_NAME=${MOZ_MACBUNDLE_NAME}.app
+fi
+
+
+# If the MOZ_MACBUNDLE_ID is defined in the configure.sh, use it
+# Otherwise, use MOZ_APP_DISPLAYNAME
+if test -z "$MOZ_MACBUNDLE_ID"; then
+   MOZ_MACBUNDLE_ID=`echo $MOZ_APP_DISPLAYNAME | tr 'A-Z' 'a-z' | tr -dc 'a-z-'`
+fi
+MOZ_MACBUNDLE_ID=${MOZ_DISTRIBUTION_ID}.${MOZ_MACBUNDLE_ID}
+if test "$MOZ_DEBUG"; then
+  MOZ_MACBUNDLE_ID=${MOZ_MACBUNDLE_ID}debug
+fi
+
+cat >> confdefs.pytmp <<EOF
+    (''' MOZ_MACBUNDLE_ID ''', r''' $MOZ_MACBUNDLE_ID ''')
+EOF
+cat >> confdefs.h <<EOF
+#define MOZ_MACBUNDLE_ID $MOZ_MACBUNDLE_ID
+EOF
+
+
+
+if test "$MOZ_WIDGET_TOOLKIT" != "android"; then
+  MOZ_CHILD_PROCESS_NAME="plugin-container${BIN_SUFFIX}"
+else
+  # We want to let Android unpack the file at install time, but it only does
+  # so if the file is named libsomething.so. The lib/ path is also required
+  # because the unpacked file will be under the lib/ subdirectory and will
+  # need to be executed from that path.
+  MOZ_CHILD_PROCESS_NAME="libplugin-container.so"
+fi
+MOZ_CHILD_PROCESS_BUNDLE="plugin-container.app/Contents/MacOS/"
+MOZ_CHILD_PROCESS_BUNDLENAME="${MOZ_APP_DISPLAYNAME}CP"
+
+
+
+
+
+# The following variables are available to branding and application
+# configuration ($BRANDING/configure.sh and $APPLICATION/confvars.sh):
+# - MOZ_APP_VENDOR: Used for application.ini's "Vendor" field, which also
+# impacts profile location and user-visible fields.
+# - MOZ_APP_DISPLAYNAME: Used in user-visible fields (DLL properties,
+# Mac Bundle name, Updater, Installer), it is typically used for nightly
+# builds (e.g. Aurora for Firefox).
+# - MOZ_APP_PROFILE: When set, used for application.ini's
+# "Profile" field, which controls profile location.
+# - MOZ_APP_ID: When set, used for application.ini's "ID" field, and
+# crash reporter server url.
+# - MOZ_PROFILE_MIGRATOR: When set, enables profile migrator.
+
+# The following environment variables used to have an effect, but don't anymore:
+# - MOZ_APP_VERSION: Defines the application version number. This was replaced with
+# the contents from the version.txt file in the application directory, or
+# browser/config/version.txt if there isn't one.
+# - MOZ_APP_VERSION_DISPLAY: Defines the application version number. Used
+# in the "About" window. This was replaced with the contents from the
+# version_display.txt or version.txt in the application directory, or
+# browser/config/version_display.txt.
+
+# For extensions and langpacks, we require a max version that is compatible
+# across security releases. MOZ_APP_MAXVERSION is our method for doing that.
+# 24.0a1 and 24.0a2 aren't affected
+# 24.0 becomes 24.*
+# 24.1.1 becomes 24.*
+IS_ALPHA=`echo $MOZ_APP_VERSION | grep a`
+if test -z "$IS_ALPHA"; then
+  
+  if test "$(basename $MOZ_BUILD_APP)" = "suite"; then
+    MOZ_APP_MAXVERSION=`echo $MOZ_APP_VERSION | sed "s|\(^[0-9]*\.[0-9]*\).*|\1|"`.*
+  else
+    MOZ_APP_MAXVERSION=`echo $MOZ_APP_VERSION | sed "s|\(^[0-9]*\).*|\1|"`.*
+  fi
+  
+else
+  MOZ_APP_MAXVERSION=$MOZ_APP_VERSION
+fi
+
+
+
+
+
+
+
+
+cat >> confdefs.pytmp <<EOF
+    (''' MOZ_APP_UA_NAME ''', r''' "$MOZ_APP_UA_NAME" ''')
+EOF
+cat >> confdefs.h <<EOF
+#define MOZ_APP_UA_NAME "$MOZ_APP_UA_NAME"
+EOF
+
+
+cat >> confdefs.pytmp <<EOF
+    (''' MOZ_APP_UA_VERSION ''', r''' "$MOZ_APP_VERSION" ''')
+EOF
+cat >> confdefs.h <<EOF
+#define MOZ_APP_UA_VERSION "$MOZ_APP_VERSION"
+EOF
+
+cat >> confdefs.pytmp <<EOF
+    (''' BROWSER_CHROME_URL ''', r''' $BROWSER_CHROME_URL ''')
+EOF
+cat >> confdefs.h <<EOF
+#define BROWSER_CHROME_URL $BROWSER_CHROME_URL
+EOF
+
+cat >> confdefs.pytmp <<EOF
+    (''' BROWSER_CHROME_URL_QUOTED ''', r''' "$BROWSER_CHROME_URL" ''')
+EOF
+cat >> confdefs.h <<EOF
+#define BROWSER_CHROME_URL_QUOTED "$BROWSER_CHROME_URL"
+EOF
+
+
+
+
+
+
+if test "$MOZILLA_OFFICIAL"; then
+    # Build revisions should always be present in official builds
+    MOZ_INCLUDE_SOURCE_INFO=1
+fi
+
+# External builds (specifically Ubuntu) may drop the hg repo information, so we allow to
+# explicitly set the repository and changeset information in.
+
+
+
+
+
+
+
+CFLAGS=`echo \
+    $_COMPILATION_CFLAGS \
+    $CFLAGS`
+
+CXXFLAGS=`echo \
+    $_COMPILATION_CXXFLAGS \
+    $CXXFLAGS`
+
+COMPILE_CFLAGS=`echo \
+    $_DEFINES_CFLAGS \
+    $COMPILE_CFLAGS`
+
+COMPILE_CXXFLAGS=`echo \
+    $_DEFINES_CXXFLAGS \
+    $COMPILE_CXXFLAGS`
+
+HOST_CFLAGS=`echo \
+    $_COMPILATION_HOST_CFLAGS \
+    $HOST_CFLAGS`
+
+HOST_CXXFLAGS=`echo \
+    $_COMPILATION_HOST_CXXFLAGS \
+    $HOST_CXXFLAGS`
+
+HOST_CMFLAGS="-x objective-c -fobjc-exceptions"
+HOST_CMMFLAGS="-x objective-c++ -fobjc-exceptions"
+OS_COMPILE_CMFLAGS="-x objective-c -fobjc-exceptions"
+OS_COMPILE_CMMFLAGS="-x objective-c++ -fobjc-exceptions"
+if test "$MOZ_WIDGET_TOOLKIT" = uikit; then
+  OS_COMPILE_CMFLAGS="$OS_COMPILE_CMFLAGS -fobjc-abi-version=2 -fobjc-legacy-dispatch"
+  OS_COMPILE_CMMFLAGS="$OS_COMPILE_CMMFLAGS -fobjc-abi-version=2 -fobjc-legacy-dispatch"
+fi
+
+
+
+
+
+OS_CFLAGS="$CFLAGS"
+OS_CXXFLAGS="$CXXFLAGS"
+OS_CPPFLAGS="$CPPFLAGS"
+OS_COMPILE_CFLAGS="$COMPILE_CFLAGS"
+OS_COMPILE_CXXFLAGS="$COMPILE_CXXFLAGS"
+OS_LDFLAGS="$LDFLAGS"
+OS_LIBS="$LIBS"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "$MOZ_DEV_EDITION"; then
+    cat >> confdefs.pytmp <<\EOF
+    (''' MOZ_DEV_EDITION ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define MOZ_DEV_EDITION 1
+EOF
+
+fi
+
+
+# Avoid using obsolete NSPR features
+cat >> confdefs.pytmp <<\EOF
+    (''' NO_NSPR_10_SUPPORT ''', ' 1 ')
+EOF
+cat >> confdefs.h <<\EOF
+#define NO_NSPR_10_SUPPORT 1
+EOF
+
+
+top_srcdir=$srcdir
+
+
+trap '' 1 2 15
+cat > confcache <<\EOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs.  It is not useful on other systems.
+# If it contains results you don't want to keep, you may remove or edit it.
+#
+# By default, configure uses ./config.cache as the cache file,
+# creating it if it does not exist already.  You can give configure
+# the --cache-file=FILE option to use a different cache file; that is
+# what configure does when it calls configure scripts in
+# subdirectories, so they share the cache.
+# Giving --cache-file=/dev/null disables caching, for debugging configure.
+# config.status only pays attention to the cache file if you give it the
+# --recheck option to rerun configure.
+#
+EOF
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, don't put newlines in cache variables' values.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(set) 2>&1 |
+  case `(ac_space=' '; set | grep ac_space) 2>&1` in
+  *ac_space=\ *)
+    # `set' does not quote correctly, so add quotes (double-quote substitution
+    # turns \\\\ into \\, and sed turns \\ into \).
+    sed -n \
+      -e "s/'/'\\\\''/g" \
+      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
+    ;;
+  *)
+    # `set' quotes correctly as required by POSIX, so do not add quotes.
+    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
+    ;;
+  esac >> confcache
+if cmp -s $cache_file confcache; then
+  :
+else
+  if test -w $cache_file; then
+    echo "updating cache $cache_file"
+    cat confcache > $cache_file
+  else
+    echo "not updating unwritable cache $cache_file"
+  fi
+fi
+rm -f confcache
+
+
+trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
+: ${CONFIG_STATUS=./config.data}
+
+echo creating $CONFIG_STATUS
+
+cat > $CONFIG_STATUS <<EOF
+
+defines = [
+EOF
+
+sed 's/$/,/' confdefs.pytmp >> $CONFIG_STATUS
+rm confdefs.pytmp confdefs.h
+
+cat >> $CONFIG_STATUS <<\EOF
+]
+
+substs = [
+EOF
+
+sed 's/$/,/' >> $CONFIG_STATUS <<EOF
+    (''' SHELL ''', r''' $SHELL ''')
+    (''' exec_prefix ''', r''' $exec_prefix ''')
+    (''' prefix ''', r''' $prefix ''')
+    (''' program_transform_name ''', r''' $program_transform_name ''')
+    (''' bindir ''', r''' $bindir ''')
+    (''' sbindir ''', r''' $sbindir ''')
+    (''' libexecdir ''', r''' $libexecdir ''')
+    (''' datadir ''', r''' $datadir ''')
+    (''' sysconfdir ''', r''' $sysconfdir ''')
+    (''' sharedstatedir ''', r''' $sharedstatedir ''')
+    (''' localstatedir ''', r''' $localstatedir ''')
+    (''' libdir ''', r''' $libdir ''')
+    (''' includedir ''', r''' $includedir ''')
+    (''' oldincludedir ''', r''' $oldincludedir ''')
+    (''' infodir ''', r''' $infodir ''')
+    (''' mandir ''', r''' $mandir ''')
+    (''' host ''', r''' $host ''')
+    (''' host_alias ''', r''' $host_alias ''')
+    (''' host_cpu ''', r''' $host_cpu ''')
+    (''' host_vendor ''', r''' $host_vendor ''')
+    (''' host_os ''', r''' $host_os ''')
+    (''' target ''', r''' $target ''')
+    (''' target_alias ''', r''' $target_alias ''')
+    (''' target_cpu ''', r''' $target_cpu ''')
+    (''' target_vendor ''', r''' $target_vendor ''')
+    (''' target_os ''', r''' $target_os ''')
+    (''' build ''', r''' $build ''')
+    (''' build_alias ''', r''' $build_alias ''')
+    (''' build_cpu ''', r''' $build_cpu ''')
+    (''' build_vendor ''', r''' $build_vendor ''')
+    (''' build_os ''', r''' $build_os ''')
+    (''' EXEEXT ''', r''' $EXEEXT ''')
+    (''' CC ''', r''' $CC ''')
+    (''' CXX ''', r''' $CXX ''')
+    (''' CLANG_CXX ''', r''' $CLANG_CXX ''')
+    (''' CLANG_CL ''', r''' $CLANG_CL ''')
+    (''' MSVC_C_RUNTIME_DLL ''', r''' $MSVC_C_RUNTIME_DLL ''')
+    (''' MSVC_C_RUNTIME_1_DLL ''', r''' $MSVC_C_RUNTIME_1_DLL ''')
+    (''' MSVC_CXX_RUNTIME_DLL ''', r''' $MSVC_CXX_RUNTIME_DLL ''')
+    (''' GNU_CC ''', r''' $GNU_CC ''')
+    (''' GNU_CXX ''', r''' $GNU_CXX ''')
+    (''' MOZ_CLANG_RT_ASAN_LIB_PATH ''', r''' $MOZ_CLANG_RT_ASAN_LIB_PATH ''')
+    (''' LLVM_SYMBOLIZER ''', r''' $LLVM_SYMBOLIZER ''')
+    (''' MOZ_ASAN ''', r''' $MOZ_ASAN ''')
+    (''' MOZ_MSAN ''', r''' $MOZ_MSAN ''')
+    (''' MOZ_TSAN ''', r''' $MOZ_TSAN ''')
+    (''' MOZ_UBSAN ''', r''' $MOZ_UBSAN ''')
+    (''' MOZ_SIGNED_OVERFLOW_SANITIZE ''', r''' $MOZ_SIGNED_OVERFLOW_SANITIZE ''')
+    (''' MOZ_UNSIGNED_OVERFLOW_SANITIZE ''', r''' $MOZ_UNSIGNED_OVERFLOW_SANITIZE ''')
+    (''' MOZ_NO_DEBUG_RTL ''', r''' $MOZ_NO_DEBUG_RTL ''')
+    (''' LD_PRINT_ICF_SECTIONS ''', r''' $LD_PRINT_ICF_SECTIONS ''')
+    (''' MOZ_PROGRAM_LDFLAGS ''', r''' $MOZ_PROGRAM_LDFLAGS ''')
+    (''' MOZ_NEEDS_LIBATOMIC ''', r''' $MOZ_NEEDS_LIBATOMIC ''')
+    (''' MOZ_USE_PTHREADS ''', r''' $MOZ_USE_PTHREADS ''')
+    (''' HAVE_CLOCK_MONOTONIC ''', r''' $HAVE_CLOCK_MONOTONIC ''')
+    (''' REALTIME_LIBS ''', list(split(r''' $REALTIME_LIBS ''')))
+    (''' MOZ_OFFICIAL_BRANDING ''', r''' $MOZ_OFFICIAL_BRANDING ''')
+    (''' MOZ_BRANDING_DIRECTORY ''', r''' $MOZ_BRANDING_DIRECTORY ''')
+    (''' MOZ_DISTRIBUTION_ID ''', r''' $MOZ_DISTRIBUTION_ID ''')
+    (''' MOZ_OPTIMIZE_FLAGS ''', list(split(r''' $MOZ_OPTIMIZE_FLAGS ''')))
+    (''' MOZ_OPTIMIZE_LDFLAGS ''', list(split(r''' $MOZ_OPTIMIZE_LDFLAGS ''')))
+    (''' MOZ_PGO_OPTIMIZE_FLAGS ''', list(split(r''' $MOZ_PGO_OPTIMIZE_FLAGS ''')))
+    (''' MOZ_GLUE_IN_PROGRAM ''', r''' $MOZ_GLUE_IN_PROGRAM ''')
+    (''' CLANG_PLUGIN_FLAGS ''', list(split(r''' $CLANG_PLUGIN_FLAGS ''')))
+    (''' LLVM_CXXFLAGS ''', list(split(r''' $LLVM_CXXFLAGS ''')))
+    (''' LLVM_LDFLAGS ''', list(split(r''' $LLVM_LDFLAGS ''')))
+    (''' CLANG_LDFLAGS ''', list(split(r''' $CLANG_LDFLAGS ''')))
+    (''' ENABLE_CLANG_PLUGIN ''', r''' $ENABLE_CLANG_PLUGIN ''')
+    (''' ENABLE_CLANG_PLUGIN_ALPHA ''', r''' $ENABLE_CLANG_PLUGIN_ALPHA ''')
+    (''' ENABLE_MOZSEARCH_PLUGIN ''', r''' $ENABLE_MOZSEARCH_PLUGIN ''')
+    (''' EXPAND_LIBS_LIST_STYLE ''', r''' $EXPAND_LIBS_LIST_STYLE ''')
+    (''' MOZ_LINUX_32_SSE2_STARTUP_ERROR ''', r''' $MOZ_LINUX_32_SSE2_STARTUP_ERROR ''')
+    (''' MOZ_ENABLE_D3D10_LAYER ''', r''' $MOZ_ENABLE_D3D10_LAYER ''')
+    (''' ASFLAGS ''', list(split(r''' $ASFLAGS ''')))
+    (''' MOZ_DEBUG_LDFLAGS ''', list(split(r''' $MOZ_DEBUG_LDFLAGS ''')))
+    (''' MOZ_STUB_INSTALLER ''', r''' $MOZ_STUB_INSTALLER ''')
+    (''' MOZ_FIX_LINK_PATHS ''', list(split(r''' $MOZ_FIX_LINK_PATHS ''')))
+    (''' MOZ_POST_PROGRAM_COMMAND ''', r''' $MOZ_POST_PROGRAM_COMMAND ''')
+    (''' MOZ_MACBUNDLE_NAME ''', r''' $MOZ_MACBUNDLE_NAME ''')
+    (''' MOZ_MACBUNDLE_ID ''', r''' $MOZ_MACBUNDLE_ID ''')
+    (''' MOZ_CHILD_PROCESS_NAME ''', r''' $MOZ_CHILD_PROCESS_NAME ''')
+    (''' MOZ_CHILD_PROCESS_BUNDLE ''', r''' $MOZ_CHILD_PROCESS_BUNDLE ''')
+    (''' MOZ_CHILD_PROCESS_BUNDLENAME ''', r''' $MOZ_CHILD_PROCESS_BUNDLENAME ''')
+    (''' MOZ_APP_DISPLAYNAME ''', r''' $MOZ_APP_DISPLAYNAME ''')
+    (''' MOZ_APP_VENDOR ''', r''' $MOZ_APP_VENDOR ''')
+    (''' MOZ_APP_PROFILE ''', r''' $MOZ_APP_PROFILE ''')
+    (''' MOZ_APP_ID ''', r''' $MOZ_APP_ID ''')
+    (''' MAR_CHANNEL_ID ''', r''' $MAR_CHANNEL_ID ''')
+    (''' ACCEPTED_MAR_CHANNEL_IDS ''', r''' $ACCEPTED_MAR_CHANNEL_IDS ''')
+    (''' MOZ_PROFILE_MIGRATOR ''', r''' $MOZ_PROFILE_MIGRATOR ''')
+    (''' MOZ_APP_UA_NAME ''', r''' $MOZ_APP_UA_NAME ''')
+    (''' MOZ_APP_MAXVERSION ''', r''' $MOZ_APP_MAXVERSION ''')
+    (''' MOZ_PKG_SPECIAL ''', r''' $MOZ_PKG_SPECIAL ''')
+    (''' MOZ_SIMPLE_PACKAGE_NAME ''', r''' $MOZ_SIMPLE_PACKAGE_NAME ''')
+    (''' MOZ_SOURCE_REPO ''', r''' $MOZ_SOURCE_REPO ''')
+    (''' MOZ_SOURCE_CHANGESET ''', r''' $MOZ_SOURCE_CHANGESET ''')
+    (''' MOZ_INCLUDE_SOURCE_INFO ''', r''' $MOZ_INCLUDE_SOURCE_INFO ''')
+    (''' WIN32_REDIST_DIR ''', r''' $WIN32_REDIST_DIR ''')
+    (''' WIN_UCRT_REDIST_DIR ''', r''' $WIN_UCRT_REDIST_DIR ''')
+    (''' HOST_CMFLAGS ''', r''' $HOST_CMFLAGS ''')
+    (''' HOST_CMMFLAGS ''', r''' $HOST_CMMFLAGS ''')
+    (''' OS_COMPILE_CMFLAGS ''', r''' $OS_COMPILE_CMFLAGS ''')
+    (''' OS_COMPILE_CMMFLAGS ''', r''' $OS_COMPILE_CMMFLAGS ''')
+    (''' OS_CFLAGS ''', list(split(r''' $OS_CFLAGS ''')))
+    (''' OS_CXXFLAGS ''', list(split(r''' $OS_CXXFLAGS ''')))
+    (''' OS_CPPFLAGS ''', list(split(r''' $OS_CPPFLAGS ''')))
+    (''' OS_COMPILE_CFLAGS ''', list(split(r''' $OS_COMPILE_CFLAGS ''')))
+    (''' OS_COMPILE_CXXFLAGS ''', list(split(r''' $OS_COMPILE_CXXFLAGS ''')))
+    (''' OS_LDFLAGS ''', list(split(r''' $OS_LDFLAGS ''')))
+    (''' OS_LIBS ''', r''' $OS_LIBS ''')
+    (''' HOST_CC ''', r''' $HOST_CC ''')
+    (''' HOST_CXX ''', r''' $HOST_CXX ''')
+    (''' HOST_CFLAGS ''', list(split(r''' $HOST_CFLAGS ''')))
+    (''' HOST_CPPFLAGS ''', list(split(r''' $HOST_CPPFLAGS ''')))
+    (''' HOST_CXXFLAGS ''', list(split(r''' $HOST_CXXFLAGS ''')))
+    (''' HOST_LDFLAGS ''', r''' $HOST_LDFLAGS ''')
+    (''' HOST_OPTIMIZE_FLAGS ''', list(split(r''' $HOST_OPTIMIZE_FLAGS ''')))
+    (''' HOST_BIN_SUFFIX ''', r''' $HOST_BIN_SUFFIX ''')
+    (''' TARGET_XPCOM_ABI ''', r''' $TARGET_XPCOM_ABI ''')
+    (''' DSO_LDOPTS ''', r''' $DSO_LDOPTS ''')
+    (''' BIN_SUFFIX ''', r''' $BIN_SUFFIX ''')
+    (''' USE_N32 ''', r''' $USE_N32 ''')
+    (''' WIN32_CONSOLE_EXE_LDFLAGS ''', r''' $WIN32_CONSOLE_EXE_LDFLAGS ''')
+    (''' WIN32_GUI_EXE_LDFLAGS ''', r''' $WIN32_GUI_EXE_LDFLAGS ''')
+    (''' MOZ_DEVTOOLS ''', r''' $MOZ_DEVTOOLS ''')
+    (''' MOZ_PACKAGE_JSSHELL ''', r''' $MOZ_PACKAGE_JSSHELL ''')
+    (''' DMG_TOOL ''', r''' $DMG_TOOL ''')
+    (''' JS_BINARY ''', r''' $JS_BINARY ''')
+    (''' NSS_EXTRA_SYMBOLS_FILE ''', r''' $NSS_EXTRA_SYMBOLS_FILE ''')
+    (''' MOZ_DEV_EDITION ''', r''' $MOZ_DEV_EDITION ''')
+    (''' top_srcdir ''', r''' $top_srcdir ''')
+EOF
+
+for ac_subst_arg in $_subconfigure_ac_subst_args; do
+  variable='$'$ac_subst_arg
+  echo "    (''' $ac_subst_arg ''', r''' `eval echo $variable` ''')," >> $CONFIG_STATUS
+done
+
+cat >> $CONFIG_STATUS <<\EOF
+]
+
+flags = [
+    '--enable-official-branding',
+    '--with-branding',
+    '--with-distribution-id',
+    '--with-macbundlename-prefix',
+]
+EOF
+
+
+
+
+rm -fr confdefs* $ac_clean_files
diff --git a/old-configure.in b/old-configure.in
new file mode 100644
index 0000000000..ada50d1aa5
--- /dev/null
+++ b/old-configure.in
@@ -0,0 +1,1353 @@
+dnl -*- Mode: Autoconf; tab-width: 4; indent-tabs-mode: nil; -*-
+dnl vi: set tabstop=4 shiftwidth=4 expandtab syntax=m4:
+dnl This Source Code Form is subject to the terms of the Mozilla Public
+dnl License, v. 2.0. If a copy of the MPL was not distributed with this
+dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+dnl Process this file with autoconf to produce a configure script.
+dnl ========================================================
+AC_PREREQ(2.13)
+AC_INIT(config/config.mk)
+AC_CONFIG_AUX_DIR(${srcdir}/build/autoconf)
+AC_CANONICAL_SYSTEM
+
+dnl ========================================================
+dnl =
+dnl = Don't change the following lines. Doing so breaks:
+dnl =
+dnl = CFLAGS="-foo" ./configure
+dnl =
+dnl ========================================================
+CFLAGS="${CFLAGS=}"
+CPPFLAGS="${CPPFLAGS=}"
+CXXFLAGS="${CXXFLAGS=}"
+LDFLAGS="${LDFLAGS=}"
+HOST_CFLAGS="${HOST_CFLAGS=}"
+HOST_CXXFLAGS="${HOST_CXXFLAGS=}"
+HOST_LDFLAGS="${HOST_LDFLAGS=}"
+
+dnl Set the minimum version of toolkit libs used by mozilla
+dnl ========================================================
+W32API_VERSION=3.14
+
+dnl Set various checks
+dnl ========================================================
+MISSING_X=
+
+dnl Initialize the Pthread test variables early so they can be
+dnl  overridden by each platform.
+dnl ========================================================
+MOZ_USE_PTHREADS=
+_PTHREAD_LDFLAGS=""
+
+LDFLAGS="$LDFLAGS $LINKER_LDFLAGS"
+HOST_LDFLAGS="$HOST_LDFLAGS $HOST_LINKER_LDFLAGS"
+
+if test "$COMPILE_ENVIRONMENT"; then
+    MOZ_ANDROID_NDK
+fi # COMPILE_ENVIRONMENT
+
+dnl ========================================================
+dnl Checks for compilers.
+dnl ========================================================
+
+if test "$COMPILE_ENVIRONMENT"; then
+
+# Run some logic to figure out exe extensions (mostly for mingw's sake)
+AC_EXEEXT
+
+if test "$target" != "$host"; then
+    MOZ_CROSS_COMPILER
+else
+    AC_PROG_CC
+    case "$target" in
+    *-mingw*)
+      # Work around the conftest.exe access problem on Windows
+      sleep 2
+    esac
+    AC_PROG_CXX
+fi
+
+MOZ_TOOL_VARIABLES
+
+dnl ========================================================
+dnl Special win32 checks
+dnl ========================================================
+
+WINVER=601
+
+case "$target" in
+*-mingw*)
+    if test "$GCC" != "yes"; then
+        # Check to see if we are really running in a msvc environemnt
+        _WIN32_MSVC=1
+
+        # Make sure compilers are valid
+        CXXFLAGS="$CXXFLAGS -TP"
+        AC_LANG_SAVE
+        AC_LANG_C
+        AC_TRY_COMPILE([#include <stdio.h>],
+            [ printf("Hello World\n"); ],,
+            AC_MSG_ERROR([\$(CC) test failed.  You must have MS VC++ in your path to build.]) )
+
+        AC_LANG_CPLUSPLUS
+        AC_TRY_COMPILE([#include <new.h>],
+            [ unsigned *test = new unsigned(42); ],,
+            AC_MSG_ERROR([\$(CXX) test failed.  You must have MS VC++ in your path to build.]) )
+        AC_LANG_RESTORE
+
+        AC_DEFINE(_CRT_SECURE_NO_WARNINGS)
+        AC_DEFINE(_CRT_NONSTDC_NO_WARNINGS)
+
+        MSVC_C_RUNTIME_DLL=vcruntime140.dll
+        if test -n "$IS_VS2019_OR_MORE" -a "$CPU_ARCH" != "x86"; then
+            MSVC_C_RUNTIME_1_DLL=vcruntime140_1.dll
+        fi
+        MSVC_CXX_RUNTIME_DLL=msvcp140.dll
+
+        # -Zc:sizedDealloc- disables C++14 global sized deallocation (see bug 1160146)
+        CXXFLAGS="$CXXFLAGS -Zc:sizedDealloc-"
+
+        if test -n "$WIN_UCRT_REDIST_DIR"; then
+          if test ! -d "$WIN_UCRT_REDIST_DIR"; then
+            AC_MSG_ERROR([Invalid Windows UCRT Redist directory: ${WIN_UCRT_REDIST_DIR}])
+          fi
+          WIN_UCRT_REDIST_DIR=`cd "$WIN_UCRT_REDIST_DIR" && (pwd -W 2>/dev/null || pwd)`
+        fi
+
+        AC_SUBST(MSVC_C_RUNTIME_DLL)
+        AC_SUBST(MSVC_C_RUNTIME_1_DLL)
+        AC_SUBST(MSVC_CXX_RUNTIME_DLL)
+
+        AC_DEFINE(HAVE_SEH_EXCEPTIONS)
+
+        if test -n "$WIN32_REDIST_DIR"; then
+          if test ! -d "$WIN32_REDIST_DIR"; then
+            AC_MSG_ERROR([Invalid Win32 Redist directory: ${WIN32_REDIST_DIR}])
+          fi
+          WIN32_REDIST_DIR=`cd "$WIN32_REDIST_DIR" && (pwd -W 2>/dev/null || pwd)`
+        fi
+    else
+        # Check w32api version
+        _W32API_MAJOR_VERSION=`echo $W32API_VERSION | $AWK -F\. '{ print $1 }'`
+        _W32API_MINOR_VERSION=`echo $W32API_VERSION | $AWK -F\. '{ print $2 }'`
+        AC_MSG_CHECKING([for w32api version >= $W32API_VERSION])
+        AC_TRY_COMPILE([#include <w32api.h>],
+            #if (__W32API_MAJOR_VERSION < $_W32API_MAJOR_VERSION) || \
+                (__W32API_MAJOR_VERSION == $_W32API_MAJOR_VERSION && \
+                 __W32API_MINOR_VERSION < $_W32API_MINOR_VERSION)
+                #error "test failed."
+            #endif
+            , [ res=yes ], [ res=no ])
+        AC_MSG_RESULT([$res])
+        if test "$res" != "yes"; then
+            AC_MSG_ERROR([w32api version $W32API_VERSION or higher required.])
+        fi
+        # strsafe.h on mingw uses macros for function deprecation that pollutes namespace
+        # causing problems with local implementations with the same name.
+        AC_DEFINE(STRSAFE_NO_DEPRECATE)
+    fi # !GNU_CC
+
+    AC_DEFINE(_USE_MATH_DEFINES) # Otherwise Windows' math.h doesn't #define M_PI.
+
+    CFLAGS="$CFLAGS -D_HAS_EXCEPTIONS=0"
+    CXXFLAGS="$CXXFLAGS -D_HAS_EXCEPTIONS=0"
+
+    AC_DEFINE_UNQUOTED(WINVER,0x$WINVER)
+    AC_DEFINE_UNQUOTED(_WIN32_WINNT,0x$WINVER)
+    # Require OS features provided by IE 8.0 (Win7)
+    AC_DEFINE_UNQUOTED(_WIN32_IE,0x0800)
+
+    ;;
+esac
+
+if test -n "$_WIN32_MSVC"; then
+    SKIP_PATH_CHECKS=1
+    SKIP_COMPILER_CHECKS=1
+    SKIP_LIBRARY_CHECKS=1
+
+    # Since we're skipping compiler and library checks, hard-code
+    # some facts here.
+    AC_DEFINE(HAVE_IO_H)
+    AC_DEFINE(HAVE_ISATTY)
+fi
+
+fi # COMPILE_ENVIRONMENT
+
+AC_SUBST(GNU_CC)
+AC_SUBST(GNU_CXX)
+
+dnl ========================================================
+dnl set the defaults first
+dnl ========================================================
+MOZ_FIX_LINK_PATHS="-Wl,-rpath-link,${DIST}/bin -Wl,-rpath-link,${prefix}/lib"
+
+dnl Configure platform-specific CPU architecture compiler options.
+dnl ==============================================================
+if test "$COMPILE_ENVIRONMENT"; then
+    MOZ_ARCH_OPTS
+fi # COMPILE_ENVIRONMENT
+
+if test -n "$COMPILE_ENVIRONMENT"; then
+   MOZ_CONFIG_SANITIZE
+fi
+
+dnl ========================================================
+dnl GNU specific defaults
+dnl ========================================================
+if test "$GNU_CC"; then
+    if test "$OS_ARCH" != "WINNT" -o -z "$CLANG_CC"; then
+        DSO_PIC_CFLAGS='-fPIC'
+        ASFLAGS="$ASFLAGS -fPIC"
+    fi
+
+    AC_MSG_CHECKING([for --noexecstack option to as])
+    _SAVE_CFLAGS=$CFLAGS
+    CFLAGS="$CFLAGS -Wa,--noexecstack"
+    AC_TRY_COMPILE(,,AC_MSG_RESULT([yes])
+                     [ASFLAGS="$ASFLAGS -Wa,--noexecstack"],
+                     AC_MSG_RESULT([no]))
+    CFLAGS=$_SAVE_CFLAGS
+    AC_MSG_CHECKING([for -z noexecstack option to ld])
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
+                  AC_MSG_RESULT([no])
+                  LDFLAGS=$_SAVE_LDFLAGS)
+
+    AC_MSG_CHECKING([for -z text option to ld])
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,text"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
+                  AC_MSG_RESULT([no])
+                  LDFLAGS=$_SAVE_LDFLAGS)
+
+    AC_MSG_CHECKING([for -z relro option to ld])
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,relro"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
+                  AC_MSG_RESULT([no])
+                  LDFLAGS=$_SAVE_LDFLAGS)
+
+    AC_MSG_CHECKING([for -z nocopyreloc option to ld])
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-z,nocopyreloc"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
+                  AC_MSG_RESULT([no])
+                  LDFLAGS=$_SAVE_LDFLAGS)
+
+    AC_MSG_CHECKING([for -Bsymbolic-functions option to ld])
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,-Bsymbolic-functions"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
+                  AC_MSG_RESULT([no])
+                  LDFLAGS=$_SAVE_LDFLAGS)
+
+    # While sha1 is deterministic, it is slower.
+    if test -z "$DEVELOPER_OPTIONS"; then
+        build_id=sha1
+    else
+        build_id=uuid
+    fi
+    AC_MSG_CHECKING([for --build-id=$build_id option to ld])
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,--build-id=$build_id"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
+                  AC_MSG_RESULT([no])
+                  LDFLAGS=$_SAVE_LDFLAGS)
+
+    AC_MSG_CHECKING([for --ignore-unresolved-symbol option to ld])
+    HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED=
+    _SAVE_LDFLAGS=$LDFLAGS
+    LDFLAGS="$LDFLAGS -Wl,--ignore-unresolved-symbol,environ"
+    AC_TRY_LINK(,,AC_MSG_RESULT([yes])
+                  [HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED=1],
+                  AC_MSG_RESULT([no]))
+    LDFLAGS=$_SAVE_LDFLAGS
+
+    DSO_LDOPTS='-shared'
+    if test "$GCC_USE_GNU_LD"; then
+        # Some tools like ASan use a runtime library that is only
+        # linked against executables, so we must allow undefined
+        # symbols for shared objects in some cases.
+        if test -z "$MOZ_ASAN$MOZ_MSAN$MOZ_UBSAN$MOZ_TSAN$FUZZING_INTERFACES"; then
+            # Don't allow undefined symbols in libraries
+            DSO_LDOPTS="$DSO_LDOPTS -Wl,-z,defs"
+
+            # BSDs need `environ' exposed for posix_spawn (bug 753046)
+            case "$OS_TARGET" in
+            DragonFly|FreeBSD|NetBSD|OpenBSD)
+                if test -n "$HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED"; then
+                    DSO_LDOPTS="$DSO_LDOPTS -Wl,--ignore-unresolved-symbol,environ"
+                else
+                    DSO_LDOPTS="$DSO_LDOPTS -Wl,--warn-unresolved-symbols"
+                fi
+                ;;
+            esac
+        fi
+    fi
+
+    _DEFINES_CFLAGS="-include $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
+
+    ASFLAGS="$ASFLAGS $_DEFINES_CFLAGS"
+fi
+
+if test "$GNU_CXX"; then
+    CXXFLAGS="$CXXFLAGS -fno-exceptions"
+
+    _DEFINES_CXXFLAGS="-DMOZILLA_CLIENT -include $_objdir/mozilla-config.h"
+fi
+
+dnl ========================================================
+dnl System overrides of the defaults for host
+dnl ========================================================
+case "$host" in
+*mingw*)
+    if test -n "$_WIN32_MSVC"; then
+        HOST_CFLAGS="$HOST_CFLAGS"
+    else
+        HOST_CFLAGS="$HOST_CFLAGS -mwindows"
+    fi
+    HOST_CFLAGS="$HOST_CFLAGS -DXP_WIN -DWIN32 -D_WIN32 -D_CRT_SECURE_NO_WARNINGS"
+    HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}"
+    HOST_BIN_SUFFIX=.exe
+
+    case "${host_cpu}" in
+    i*86)
+        if test -n "$_WIN32_MSVC"; then
+            HOST_LDFLAGS="$HOST_LDFLAGS -MACHINE:X86"
+        fi
+        ;;
+    x86_64)
+        if test -n "$_WIN32_MSVC"; then
+            HOST_LDFLAGS="$HOST_LDFLAGS -MACHINE:X64"
+        fi
+        HOST_CFLAGS="$HOST_CFLAGS -D_AMD64_"
+        ;;
+    esac
+    ;;
+
+*-darwin*)
+    HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX -DXP_MACOSX"
+    HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O3}"
+    ;;
+
+*-linux*|*-kfreebsd*-gnu|*-gnu*)
+    HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX"
+    HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O3}"
+    ;;
+
+*)
+    HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX"
+    HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}"
+    ;;
+esac
+
+dnl ========================================================
+dnl System overrides of the defaults for target
+dnl ========================================================
+
+case "$target" in
+*-darwin*)
+    MOZ_OPTIMIZE_FLAGS="-O3"
+    DSO_LDOPTS=''
+
+    dnl DTrace and -dead_strip don't interact well. See bug 403132.
+    dnl ===================================================================
+    if test "x$enable_dtrace" = "xyes"; then
+        echo "Skipping -dead_strip because DTrace is enabled. See bug 403132."
+    else
+        dnl check for the presence of the -dead_strip linker flag
+        AC_MSG_CHECKING([for -dead_strip option to ld])
+        _SAVE_LDFLAGS=$LDFLAGS
+        LDFLAGS="$LDFLAGS -Wl,-dead_strip"
+        AC_TRY_LINK(,[return 0;],_HAVE_DEAD_STRIP=1,_HAVE_DEAD_STRIP=)
+        if test -n "$_HAVE_DEAD_STRIP" ; then
+            AC_MSG_RESULT([yes])
+            MOZ_OPTIMIZE_LDFLAGS="-Wl,-dead_strip"
+        else
+            AC_MSG_RESULT([no])
+        fi
+
+        LDFLAGS=$_SAVE_LDFLAGS
+    fi
+
+    MOZ_FIX_LINK_PATHS=
+    ;;
+
+*-android*|*-linuxandroid*)
+    if test -z "$CLANG_CC"; then
+        MOZ_OPTIMIZE_FLAGS="-freorder-blocks -fno-reorder-functions -Os"
+    else
+        # From https://github.com/android-ndk/ndk/issues/133#issuecomment-308549264
+        # -Oz is smaller than -Os on clang.
+        MOZ_OPTIMIZE_FLAGS="-Oz"
+        # Disable the outliner, which causes performance regressions, and is
+        # enabled on some platforms at -Oz.
+        if test -z "$MOZ_LTO"; then
+            DISABLE_OUTLINER="-mno-outline"
+            _SAVE_CFLAGS=$CFLAGS
+            CFLAGS="$CFLAGS $DISABLE_OUTLINER"
+            AC_TRY_COMPILE(,,[MOZ_OPTIMIZE_FLAGS="$MOZ_OPTIMIZE_FLAGS $DISABLE_OUTLINER"])
+            CFLAGS="$_SAVE_CFLAGS"
+        else
+            DISABLE_OUTLINER="-Wl,-plugin-opt=-enable-machine-outliner=never"
+            _SAVE_LDFLAGS=$LDFLAGS
+            LDFLAGS="$LDFLAGS $MOZ_LTO_LDFLAGS $DISABLE_OUTLINER"
+            AC_TRY_LINK(,,[MOZ_OPTIMIZE_LDFLAGS="$MOZ_OPTIMIZE_LDFLAGS $DISABLE_OUTLINER"])
+            LDFLAGS="$_SAVE_LDFLAGS"
+        fi
+    fi
+    ;;
+
+*-*linux*)
+    if test "$GNU_CC" -o "$GNU_CXX"; then
+        MOZ_PGO_OPTIMIZE_FLAGS="-O3"
+        if test -n "$MOZ_DEBUG"; then
+            MOZ_OPTIMIZE_FLAGS="-Os"
+        else
+            MOZ_OPTIMIZE_FLAGS="-O2"
+        fi
+        if test -z "$CLANG_CC"; then
+           MOZ_OPTIMIZE_FLAGS="-freorder-blocks $MOZ_OPTIMIZE_FLAGS"
+        fi
+    fi
+
+    case "${target_cpu}" in
+    alpha*)
+        CFLAGS="$CFLAGS -mieee"
+        CXXFLAGS="$CXXFLAGS -mieee"
+    ;;
+    esac
+    ;;
+*-mingw*)
+    DSO_PIC_CFLAGS=
+    # certain versions of cygwin's makedepend barf on the
+    # #include <string> vs -I./dist/include/string issue so don't use it
+    if test -n "$GNU_CC" -o -n "$CLANG_CC"; then
+        # $GNU_CC will match gcc and clang; while $CLANG_CC will match only clang
+        if test -z "$CLANG_CC"; then
+            AC_MSG_ERROR(Firefox cannot be built with mingw-gcc and requires a mingw-clang toolchain to work)
+        fi
+
+        DSO_LDOPTS='-shared'
+        MOZ_FIX_LINK_PATHS=
+
+        MOZ_OPTIMIZE_FLAGS="-O2"
+
+        WIN32_CONSOLE_EXE_LDFLAGS=-mconsole
+        WIN32_GUI_EXE_LDFLAGS=-mwindows
+
+        # Silence problematic clang warnings
+        CXXFLAGS="$CXXFLAGS -Wno-incompatible-ms-struct"
+        LDFLAGS="$LDFLAGS -Wl,--no-insert-timestamp"
+    else
+        TARGET_COMPILER_ABI=msvc
+        # aarch64 doesn't support subsystems below 6.02
+        if test "$CPU_ARCH" = "aarch64"; then
+            WIN32_SUBSYSTEM_VERSION=6.02
+        else
+            WIN32_SUBSYSTEM_VERSION=6.01
+        fi
+        WIN32_CONSOLE_EXE_LDFLAGS=-SUBSYSTEM:CONSOLE,$WIN32_SUBSYSTEM_VERSION
+        WIN32_GUI_EXE_LDFLAGS=-SUBSYSTEM:WINDOWS,$WIN32_SUBSYSTEM_VERSION
+        DSO_LDOPTS=-SUBSYSTEM:WINDOWS,$WIN32_SUBSYSTEM_VERSION
+        _DEFINES_CFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
+        _DEFINES_CXXFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
+        CFLAGS="$CFLAGS -Gy -Zc:inline"
+        CXXFLAGS="$CXXFLAGS -Gy -Zc:inline"
+        if test "$CPU_ARCH" = "x86"; then
+            dnl VS2012+ defaults to -arch:SSE2. We want to target nothing
+            dnl more recent, so set that explicitly here unless another
+            dnl target arch has already been set.
+            changequote(,)
+            if test -z `echo $CFLAGS | grep -i [-/]arch:`; then
+              CFLAGS="$CFLAGS -arch:SSE2"
+            fi
+            if test -z `echo $CXXFLAGS | grep -i [-/]arch:`; then
+              CXXFLAGS="$CXXFLAGS -arch:SSE2"
+            fi
+            changequote([,])
+        fi
+        dnl VS2013+ supports -Gw for better linker optimizations.
+        dnl http://blogs.msdn.com/b/vcblog/archive/2013/09/11/introducing-gw-compiler-switch.aspx
+        dnl Disabled on ASan because it causes false-positive ODR violations.
+        if test -z "$MOZ_ASAN"; then
+            CFLAGS="$CFLAGS -Gw"
+            CXXFLAGS="$CXXFLAGS -Gw"
+        else
+            # String tail merging doesn't play nice with ASan's ODR checker.
+            LDFLAGS="$LDFLAGS -opt:nolldtailmerge"
+        fi
+        # Silence VS2017 15.5+ TR1 deprecation warnings hit by older gtest versions
+        CXXFLAGS="$CXXFLAGS -D_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING"
+        MOZ_DEBUG_LDFLAGS='-DEBUG'
+        if test "$HOST_OS_ARCH" != "WINNT"; then
+          # %_PDB% is a special signal to emit only the PDB basename. This
+          # avoids problems in Windows tools that don't like forward-slashes.
+          MOZ_DEBUG_LDFLAGS="$MOZ_DEBUG_LDFLAGS -PDBALTPATH:%_PDB%"
+        fi
+        MOZ_OPTIMIZE_FLAGS='-O2'
+        MOZ_FIX_LINK_PATHS=
+        LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE"
+    fi
+    AC_DEFINE(WIN32_LEAN_AND_MEAN)
+    dnl See http://support.microsoft.com/kb/143208 to use STL
+    AC_DEFINE(NOMINMAX)
+    BIN_SUFFIX='.exe'
+
+    case "$host_os" in
+    cygwin*|msvc*|mks*)
+        AC_MSG_ERROR([Using a Cygwin build environment is unsupported. Configure cannot check for presence of necessary headers. Please upgrade to MozillaBuild; see https://developer.mozilla.org/en/Windows_Build_Prerequisites.])
+        ;;
+    esac
+
+    case "$target" in
+    i*86-*)
+        if test -n "$GNU_CC"; then
+            CFLAGS="$CFLAGS -mstackrealign"
+            CXXFLAGS="$CXXFLAGS -mstackrealign"
+            LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
+        else
+            DSO_LDOPTS="$DSO_LDOPTS -MACHINE:X86"
+            LDFLAGS="$LDFLAGS -SAFESEH"
+        fi
+
+        AC_DEFINE(_X86_)
+        ;;
+    x86_64-*)
+        if test -n "$_WIN32_MSVC"; then
+            DSO_LDOPTS="$DSO_LDOPTS -MACHINE:X64"
+        fi
+        AC_DEFINE(_AMD64_)
+        ;;
+    aarch64-*)
+        if test -n "$_WIN32_MSVC"; then
+            DSO_LDOPTS="$DSO_LDOPTS -MACHINE:ARM64"
+        fi
+        AC_DEFINE(_ARM64_)
+        ;;
+    *)
+        AC_DEFINE(_CPU_ARCH_NOT_DEFINED)
+        ;;
+    esac
+    ;;
+
+*-netbsd*)
+    CFLAGS="$CFLAGS -Dunix"
+    CXXFLAGS="$CXXFLAGS -Dunix"
+    if $CC -E - -dM </dev/null | grep __ELF__ >/dev/null; then
+        DSO_PIC_CFLAGS='-fPIC -DPIC'
+        DSO_LDOPTS='-shared'
+        MOZ_PROGRAM_LDFLAGS="$MOZ_PROGRAM_LDFLAGS -Wl,--export-dynamic"
+    else
+        DSO_PIC_CFLAGS='-fPIC -DPIC'
+        DSO_LDOPTS='-shared'
+    fi
+    # This will fail on a.out systems prior to 1.5.1_ALPHA.
+    if test "$LIBRUNPATH"; then
+        DSO_LDOPTS="-Wl,-R$LIBRUNPATH $DSO_LDOPTS"
+    fi
+    ;;
+
+*-openbsd*)
+    if test -z "$X11BASE"; then
+        X11BASE=/usr/X11R6
+    fi
+    MOZ_FIX_LINK_PATHS="$MOZ_FIX_LINK_PATHS -Wl,-rpath-link,${X11BASE}/lib"
+    DSO_PIC_CFLAGS='-fPIC'
+    DSO_LDOPTS='-shared -fPIC'
+    if test "$LIBRUNPATH"; then
+        DSO_LDOPTS="-R$LIBRUNPATH $DSO_LDOPTS"
+    fi
+    ;;
+
+*-solaris*)
+    MOZ_FIX_LINK_PATHS="-L${DIST}/bin"
+    ;;
+
+esac
+
+CFLAGS="$CFLAGS $DSO_PIC_CFLAGS"
+CXXFLAGS="$CXXFLAGS $DSO_PIC_CFLAGS"
+
+if test -z "$MOZ_OPTIMIZE_FLAGS"; then
+    MOZ_OPTIMIZE_FLAGS="-O"
+fi
+
+
+if test -z "$COMPILE_ENVIRONMENT"; then
+    SKIP_COMPILER_CHECKS=1
+    SKIP_LIBRARY_CHECKS=1
+    MOZ_DEBUGGING_OPTS
+else
+    MOZ_COMPILER_OPTS
+fi # COMPILE_ENVIRONMENT
+
+if test -z "$SKIP_COMPILER_CHECKS"; then
+dnl Checks for typedefs, structures, and compiler characteristics.
+dnl ========================================================
+AC_C_CONST
+AC_TYPE_MODE_T
+AC_TYPE_OFF_T
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+AC_LANG_CPLUSPLUS
+AC_LANG_C
+
+AC_LANG_CPLUSPLUS
+
+MOZ_CXX11
+
+AC_LANG_C
+
+dnl Checks for header files.
+dnl ========================================================
+AC_HEADER_DIRENT
+
+dnl Checks for libraries.
+dnl ========================================================
+AC_CHECK_LIB(c_r, gethostbyname_r)
+
+dnl We don't want to link with libdl even if it's present on OS X, since
+dnl it's not used and not part of the default installation. OS/2 has dlfcn
+dnl in libc.
+dnl We don't want to link against libm or libpthread on Darwin since
+dnl they both are just symlinks to libSystem and explicitly linking
+dnl against libSystem causes issues when debugging (see bug 299601).
+case $target in
+*-darwin*)
+    ;;
+*)
+    AC_SEARCH_LIBS(dlopen, dl,
+        MOZ_CHECK_HEADER(dlfcn.h,
+        AC_DEFINE(HAVE_DLOPEN)))
+    ;;
+esac
+
+_SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -D_GNU_SOURCE"
+AC_CHECK_FUNCS(dladdr)
+CFLAGS="$_SAVE_CFLAGS"
+
+if test ! "$GNU_CXX"; then
+    AC_CHECK_LIB(C, demangle)
+fi
+
+AC_CHECK_LIB(socket, socket)
+
+dnl ========================================================
+dnl = pthread support
+dnl = Start by checking whether the system support pthreads
+dnl ========================================================
+case "$target_os" in
+darwin*)
+    MOZ_USE_PTHREADS=1
+    ;;
+*)
+    AC_CHECK_LIB(pthreads, pthread_create,
+        MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthreads",
+        AC_CHECK_LIB(pthread, pthread_create,
+            MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthread",
+            AC_CHECK_LIB(c_r, pthread_create,
+                MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lc_r",
+                AC_CHECK_LIB(c, pthread_create,
+                    MOZ_USE_PTHREADS=1
+                )
+            )
+        )
+    )
+    ;;
+esac
+
+dnl ========================================================
+dnl Do the platform specific pthread hackery
+dnl ========================================================
+if test "$MOZ_USE_PTHREADS"x != x
+then
+    dnl
+    dnl See if -pthread is supported.
+    dnl
+    rm -f conftest*
+    ac_cv_have_dash_pthread=no
+    AC_MSG_CHECKING(whether ${CC-cc} accepts -pthread)
+    echo 'int main() { return 0; }' | cat > conftest.c
+    ${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
+    if test $? -eq 0; then
+        if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthread`" -a -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
+            ac_cv_have_dash_pthread=yes
+            case "$target_os" in
+            freebsd*)
+# Freebsd doesn't use -pthread for compiles, it uses them for linking
+                ;;
+            *)
+                CFLAGS="$CFLAGS -pthread"
+                CXXFLAGS="$CXXFLAGS -pthread"
+                ;;
+            esac
+        fi
+    fi
+    rm -f conftest*
+    AC_MSG_RESULT($ac_cv_have_dash_pthread)
+
+    dnl
+    dnl See if -pthreads is supported.
+    dnl
+    ac_cv_have_dash_pthreads=no
+    if test "$ac_cv_have_dash_pthread" = "no"; then
+        AC_MSG_CHECKING(whether ${CC-cc} accepts -pthreads)
+        echo 'int main() { return 0; }' | cat > conftest.c
+        ${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
+        if test $? -eq 0; then
+            if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthreads`" -a -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
+                ac_cv_have_dash_pthreads=yes
+                CFLAGS="$CFLAGS -pthreads"
+                CXXFLAGS="$CXXFLAGS -pthreads"
+            fi
+        fi
+        rm -f conftest*
+        AC_MSG_RESULT($ac_cv_have_dash_pthreads)
+    fi
+
+    case "$target" in
+        *-*-freebsd*)
+            AC_DEFINE(_REENTRANT)
+            AC_DEFINE(_THREAD_SAFE)
+            dnl -pthread links in -lpthread, so don't specify it explicitly.
+            if test "$ac_cv_have_dash_pthread" = "yes"; then
+                _PTHREAD_LDFLAGS="-pthread"
+            fi
+            ;;
+
+        *-*-openbsd*|*-*-bsdi*)
+            AC_DEFINE(_REENTRANT)
+            AC_DEFINE(_THREAD_SAFE)
+            dnl -pthread links in -lc_r, so don't specify it explicitly.
+            if test "$ac_cv_have_dash_pthread" = "yes"; then
+                _PTHREAD_LDFLAGS="-pthread"
+            fi
+            ;;
+
+        *-*-linux*|*-*-kfreebsd*-gnu|*-*-gnu*)
+            AC_DEFINE(_REENTRANT)
+            ;;
+
+    esac
+    LDFLAGS="${_PTHREAD_LDFLAGS} ${LDFLAGS}"
+    AC_SUBST(MOZ_USE_PTHREADS)
+    MOZ_CHECK_HEADERS(pthread.h)
+fi
+
+
+dnl Checks for library functions.
+dnl ========================================================
+
+dnl check for clock_gettime(), the CLOCK_MONOTONIC clock
+AC_CACHE_CHECK(for clock_gettime(CLOCK_MONOTONIC),
+               ac_cv_clock_monotonic,
+               [for libs in "" -lrt; do
+                    _SAVE_LIBS="$LIBS"
+                    LIBS="$LIBS $libs"
+dnl clock_gettime is available on OSX since 10.12, so depending on MACOSX_DEPLOYMENT_TARGET,
+dnl we should or not be able to use it. To detect if we can, we need to make the
+dnl availability attribute strict, so that compilation fails when the target is < 10.12.
+                    AC_TRY_LINK([#define availability(os, ...) availability(os, strict, __VA_ARGS)
+                                 #include <time.h>],
+                                 [ struct timespec ts;
+                                   clock_gettime(CLOCK_MONOTONIC, &ts); ],
+                                 ac_cv_clock_monotonic=$libs
+                                 LIBS="$_SAVE_LIBS"
+                                 break,
+                                 ac_cv_clock_monotonic=no)
+                    LIBS="$_SAVE_LIBS"
+                done])
+if test "$ac_cv_clock_monotonic" != "no"; then
+    HAVE_CLOCK_MONOTONIC=1
+    REALTIME_LIBS=$ac_cv_clock_monotonic
+    AC_DEFINE(HAVE_CLOCK_MONOTONIC)
+    AC_SUBST(HAVE_CLOCK_MONOTONIC)
+    AC_SUBST_LIST(REALTIME_LIBS)
+fi
+
+AC_CACHE_CHECK(
+    [for res_ninit()],
+    ac_cv_func_res_ninit,
+    [if test "$OS_TARGET" = NetBSD -o "$OS_TARGET" = OpenBSD; then
+        dnl no need for res_ninit() on NetBSD and OpenBSD
+        ac_cv_func_res_ninit=no
+     else
+        AC_TRY_LINK([
+            #ifdef linux
+            #define _BSD_SOURCE 1
+            #endif
+            #include <sys/types.h>
+            #include <netinet/in.h>
+            #include <arpa/nameser.h>
+            #include <resolv.h>
+            ],
+            [int foo = res_ninit(&_res);],
+            [ac_cv_func_res_ninit=yes],
+            [ac_cv_func_res_ninit=no])
+     fi
+    ])
+
+if test "$ac_cv_func_res_ninit" = "yes"; then
+    AC_DEFINE(HAVE_RES_NINIT)
+dnl must add the link line we do something as foolish as this... dougt
+dnl else
+dnl    AC_CHECK_LIB(bind, res_ninit, AC_DEFINE(HAVE_RES_NINIT),
+dnl        AC_CHECK_LIB(resolv, res_ninit, AC_DEFINE(HAVE_RES_NINIT)))
+fi
+
+AC_LANG_C
+
+dnl ===================================================================
+dnl ========================================================
+dnl Put your C++ language/feature checks below
+dnl ========================================================
+AC_LANG_CPLUSPLUS
+
+ARM_ABI_PREFIX=
+if test "$GNU_CC"; then
+  if test "$CPU_ARCH" = "arm" ; then
+    AC_CACHE_CHECK(for ARM EABI,
+        ac_cv_gcc_arm_eabi,
+        [AC_TRY_COMPILE([],
+                        [
+#if defined(__ARM_EABI__)
+  return 0;
+#else
+#error Not ARM EABI.
+#endif
+                        ],
+                        ac_cv_gcc_arm_eabi="yes",
+                        ac_cv_gcc_arm_eabi="no")])
+    if test "$ac_cv_gcc_arm_eabi" = "yes"; then
+        HAVE_ARM_EABI=1
+        ARM_ABI_PREFIX=eabi-
+    else
+        ARM_ABI_PREFIX=oabi-
+    fi
+  fi
+
+  TARGET_COMPILER_ABI="${TARGET_COMPILER_ABI-${ARM_ABI_PREFIX}gcc3}"
+fi
+
+# try harder, when checking for __thread support, see bug 521750 comment #33 and below
+# We pass MOZ_OPTIMIZE_LDFLAGS to the linker because if dead_strip is
+# enabled, the linker in xcode 4.1 will crash. Without this it would crash when
+# linking XUL.
+_SAVE_LDFLAGS=$LDFLAGS
+LDFLAGS="$LDFLAGS $DSO_LDOPTS $MOZ_OPTIMIZE_LDFLAGS"
+AC_CACHE_CHECK(for __thread keyword for TLS variables,
+               ac_cv_thread_keyword,
+               [AC_TRY_LINK([__thread bool tlsIsMainThread = false;],
+                            [return tlsIsMainThread;],
+                            ac_cv_thread_keyword=yes,
+                            ac_cv_thread_keyword=no)])
+LDFLAGS=$_SAVE_LDFLAGS
+# The custom dynamic linker doesn't support TLS variables
+if test "$ac_cv_thread_keyword" = yes -a "$MOZ_LINKER" != 1; then
+  # mips builds fail with TLS variables because of a binutils bug.
+  # See bug 528687
+  # OpenBSD doesn't have TLS support, and the test succeeds with clang++
+  case "${target}" in
+    mips*-*)
+      :
+      ;;
+    *-android*|*-linuxandroid*)
+      :
+      ;;
+    *-openbsd*)
+      :
+      ;;
+    *)
+      AC_DEFINE(HAVE_THREAD_TLS_KEYWORD)
+      ;;
+  esac
+fi
+
+if test -n "$MOZ_LINKER"; then
+dnl gold emits wrong sysv-style elf hash tables when building both sysv and
+dnl style tables. https://sourceware.org/bugzilla/show_bug.cgi?id=13597
+dnl Since the linker only understands the sysv ones, no need to build the
+dnl gnu style tables anyways.
+  LDFLAGS="$LDFLAGS -Wl,--hash-style=sysv"
+fi
+
+dnl End of C++ language/feature checks
+AC_LANG_C
+
+fi # ! SKIP_COMPILER_CHECKS
+
+if test -n "${COMPILE_ENVIRONMENT}"; then
+  MOZ_CHECK_ALLOCATOR
+fi
+
+TARGET_XPCOM_ABI=
+if test -n "${CPU_ARCH}" -a -n "${TARGET_COMPILER_ABI}"; then
+    TARGET_XPCOM_ABI="${CPU_ARCH}-${TARGET_COMPILER_ABI}"
+    AC_DEFINE_UNQUOTED(TARGET_XPCOM_ABI, ["${TARGET_XPCOM_ABI}"])
+fi
+
+dnl We can't run TRY_COMPILE tests on Windows, so hard-code some
+dnl features that Windows actually does support.
+
+if test -n "$SKIP_COMPILER_CHECKS"; then
+   dnl Windows has malloc.h
+   AC_DEFINE(MALLOC_H, [<malloc.h>])
+   AC_DEFINE(HAVE_FORCEINLINE)
+fi # SKIP_COMPILER_CHECKS
+
+dnl Mozilla specific options
+dnl ========================================================
+dnl The macros used for command line options
+dnl are defined in build/autoconf/altoptions.m4.
+
+dnl ========================================================
+dnl =
+dnl = Application
+dnl =
+dnl ========================================================
+
+MOZ_BRANDING_DIRECTORY=
+MOZ_OFFICIAL_BRANDING=
+MOZ_NO_SMART_CARDS=
+MOZ_BINARY_EXTENSIONS=
+MOZ_DEVTOOLS=server
+
+dnl ========================================================
+dnl = Trademarked Branding
+dnl ========================================================
+MOZ_ARG_ENABLE_BOOL(official-branding,
+[  --enable-official-branding
+                          Enable Official mozilla.org Branding
+                          Do not distribute builds with
+                          --enable-official-branding unless you have
+                          permission to use trademarks per
+                          http://www.mozilla.org/foundation/trademarks/ .],
+    MOZ_OFFICIAL_BRANDING=1,
+    MOZ_OFFICIAL_BRANDING=)
+
+# Allow the application to influence configure with a confvars.sh script.
+AC_MSG_CHECKING([if app-specific confvars.sh exists])
+if test -f "${srcdir}/${MOZ_BUILD_APP}/confvars.sh" ; then
+  AC_MSG_RESULT([${srcdir}/${MOZ_BUILD_APP}/confvars.sh])
+  . "${srcdir}/${MOZ_BUILD_APP}/confvars.sh"
+else
+  AC_MSG_RESULT([no])
+fi
+
+AC_SUBST(MOZ_OFFICIAL_BRANDING)
+if test -n "$MOZ_OFFICIAL_BRANDING"; then
+  if test -z "$MOZ_OFFICIAL_BRANDING_DIRECTORY"; then
+    AC_MSG_ERROR([You must specify MOZ_OFFICIAL_BRANDING_DIRECTORY to use --enable-official-branding.])
+  else
+    MOZ_BRANDING_DIRECTORY=${MOZ_OFFICIAL_BRANDING_DIRECTORY}
+    AC_DEFINE(MOZ_OFFICIAL_BRANDING)
+  fi
+fi
+
+MOZ_ARG_WITH_STRING(branding,
+[  --with-branding=dir     Use branding from the specified directory.],
+    MOZ_BRANDING_DIRECTORY=$withval)
+
+REAL_BRANDING_DIRECTORY="${MOZ_BRANDING_DIRECTORY}"
+if test -z "$REAL_BRANDING_DIRECTORY"; then
+  REAL_BRANDING_DIRECTORY=${MOZ_BUILD_APP}/branding/nightly
+fi
+
+if test -f "${_topsrcdir}/$REAL_BRANDING_DIRECTORY/configure.sh"; then
+  . "${_topsrcdir}/$REAL_BRANDING_DIRECTORY/configure.sh"
+fi
+
+AC_SUBST(MOZ_BRANDING_DIRECTORY)
+
+dnl ========================================================
+dnl = Distribution ID
+dnl ========================================================
+MOZ_ARG_WITH_STRING(distribution-id,
+[  --with-distribution-id=ID
+                          Set distribution-specific id (default=org.mozilla)],
+[ val=`echo $withval`
+    MOZ_DISTRIBUTION_ID="$val"])
+
+if test -z "$MOZ_DISTRIBUTION_ID"; then
+   MOZ_DISTRIBUTION_ID="org.mozilla"
+fi
+
+AC_SUBST(MOZ_DISTRIBUTION_ID)
+
+dnl ========================================================
+dnl = Enable code optimization. ON by default.
+dnl ========================================================
+
+# Use value from moz.configure if one is defined. Else use our computed
+# value.
+if test -n "${MOZ_CONFIGURE_OPTIMIZE_FLAGS}"; then
+    MOZ_OPTIMIZE_FLAGS=${MOZ_CONFIGURE_OPTIMIZE_FLAGS}
+fi
+
+if test "$COMPILE_ENVIRONMENT"; then
+if test -n "$MOZ_OPTIMIZE"; then
+    AC_MSG_CHECKING([for valid C compiler optimization flags])
+    _SAVE_CFLAGS=$CFLAGS
+    CFLAGS="$CFLAGS $MOZ_OPTIMIZE_FLAGS"
+    AC_TRY_COMPILE([#include <stdio.h>],
+        [printf("Hello World\n");],
+        _results=yes,
+        _results=no)
+    AC_MSG_RESULT([$_results])
+    if test "$_results" = "no"; then
+        AC_MSG_ERROR([These compiler flags for C are invalid: $MOZ_OPTIMIZE_FLAGS])
+    fi
+    CFLAGS=$_SAVE_CFLAGS
+    if test -n "$MOZ_LTO" -a -n "$CLANG_CC"; then
+        # When using llvm-based LTO, non numeric optimization levels are
+        # not supported by the linker, so force the linker to use -O2 (
+        # which doesn't influence the level compilation units are actually
+        # compiled at).
+        case " $MOZ_OPTIMIZE_FLAGS " in
+        *\ -Os\ *|*\ -Oz\ *)
+            MOZ_OPTIMIZE_LDFLAGS="$MOZ_OPTIMIZE_LDFLAGS -O2"
+            ;;
+        esac
+    fi
+fi
+fi # COMPILE_ENVIRONMENT
+
+AC_SUBST_LIST(MOZ_OPTIMIZE_FLAGS)
+AC_SUBST_LIST(MOZ_OPTIMIZE_LDFLAGS)
+AC_SUBST_LIST(MOZ_PGO_OPTIMIZE_FLAGS)
+
+case "${OS_TARGET}" in
+Android|WINNT|Darwin)
+  MOZ_GLUE_IN_PROGRAM=
+  ;;
+*)
+  dnl On !Android !Windows !OSX, we only want to link executables against mozglue
+  MOZ_GLUE_IN_PROGRAM=1
+  AC_DEFINE(MOZ_GLUE_IN_PROGRAM)
+  ;;
+esac
+
+dnl ========================================================
+dnl = Jemalloc build setup
+dnl ========================================================
+if test -z "$MOZ_MEMORY"; then
+  case "${target}" in
+    *-mingw*)
+      if test -z "$WIN32_REDIST_DIR" -a -z "$MOZ_DEBUG"; then
+        AC_MSG_WARN([When not building jemalloc, you need to set WIN32_REDIST_DIR to the path to the Visual C++ Redist (usually VCINSTALLDIR/redist/x86/Microsoft.VC80.CRT, for VC++ v8) if you intend to distribute your build.])
+      fi
+      ;;
+  esac
+else
+  dnl The generic feature tests that determine how to compute ncpus are long and
+  dnl complicated.  Therefore, simply define special cpp variables for the
+  dnl platforms we have special knowledge of.
+  case "${target}" in
+  *-mingw*)
+    export MOZ_NO_DEBUG_RTL=1
+    ;;
+  esac
+fi # MOZ_MEMORY
+AC_SUBST(MOZ_GLUE_IN_PROGRAM)
+
+dnl ========================================================
+dnl = Enable using the clang plugin to build
+dnl ========================================================
+
+if test -n "$COMPILE_ENVIRONMENT"; then
+MOZ_CONFIG_CLANG_PLUGIN
+fi # COMPILE_ENVIRONMENT
+
+if test -z "$SKIP_COMPILER_CHECKS"; then
+dnl ========================================================
+dnl Check for gcc -pipe support
+dnl ========================================================
+AC_MSG_CHECKING([for -pipe support])
+if test -n "$GNU_CC" -a -n "$GNU_CXX"; then
+    dnl Any gcc that supports firefox supports -pipe.
+    CFLAGS="$CFLAGS -pipe"
+    CXXFLAGS="$CXXFLAGS -pipe"
+    AC_MSG_RESULT([yes])
+else
+    AC_MSG_RESULT([no])
+fi
+
+fi # ! SKIP_COMPILER_CHECKS
+
+AC_LANG_C
+
+if test "$COMPILE_ENVIRONMENT"; then
+MOZ_EXPAND_LIBS
+fi # COMPILE_ENVIRONMENT
+
+dnl ========================================================
+dnl Check if we need the 32-bit Linux SSE2 error dialog
+dnl ========================================================
+
+AC_SUBST(MOZ_LINUX_32_SSE2_STARTUP_ERROR)
+
+dnl ========================================================
+dnl Check for cairo
+dnl ========================================================
+
+if test "$OS_ARCH" = "WINNT"; then
+    # For now we assume that we will have a uint64_t available through
+    # one of the above headers or mozstdint.h.
+    AC_DEFINE(HAVE_UINT64_T)
+fi
+
+case "$MOZ_WIDGET_TOOLKIT" in
+  windows)
+    if test "$COMPILE_ENVIRONMENT"; then
+      MOZ_CHECK_HEADER(d3d10.h, MOZ_ENABLE_D3D10_LAYER=1)
+    fi
+    ;;
+esac
+AC_SUBST(MOZ_ENABLE_D3D10_LAYER)
+
+dnl ========================================================
+dnl =
+dnl = Maintainer debug option (no --enable equivalent)
+dnl =
+dnl ========================================================
+
+AC_SUBST_LIST(ASFLAGS)
+AC_SUBST_LIST(MOZ_DEBUG_LDFLAGS)
+
+AC_SUBST(MOZ_STUB_INSTALLER)
+
+AC_SUBST_LIST(MOZ_FIX_LINK_PATHS)
+
+AC_SUBST(MOZ_POST_PROGRAM_COMMAND)
+
+if test -n "$MOZ_BINARY_EXTENSIONS"; then
+  AC_DEFINE(MOZ_BINARY_EXTENSIONS)
+fi
+
+dnl ========================================================
+dnl = Mac bundle name prefix
+dnl ========================================================
+MOZ_ARG_WITH_STRING(macbundlename-prefix,
+[  --with-macbundlename-prefix=prefix
+                          Prefix for MOZ_MACBUNDLE_NAME],
+[ MOZ_MACBUNDLE_NAME_PREFIX="$withval"])
+
+MOZ_MACBUNDLE_NAME=$MOZ_APP_DISPLAYNAME
+if test "$MOZ_MACBUNDLE_NAME_PREFIX"; then
+  MOZ_MACBUNDLE_NAME="${MOZ_MACBUNDLE_NAME_PREFIX}${MOZ_MACBUNDLE_NAME}"
+fi
+
+if test "$MOZ_DEBUG"; then
+  MOZ_MACBUNDLE_NAME="${MOZ_MACBUNDLE_NAME}Debug.app"
+else
+  MOZ_MACBUNDLE_NAME=${MOZ_MACBUNDLE_NAME}.app
+fi
+AC_SUBST(MOZ_MACBUNDLE_NAME)
+
+dnl Mac bundle identifier (based on MOZ_APP_DISPLAYNAME)
+# If the MOZ_MACBUNDLE_ID is defined in the configure.sh, use it
+# Otherwise, use MOZ_APP_DISPLAYNAME
+if test -z "$MOZ_MACBUNDLE_ID"; then
+   MOZ_MACBUNDLE_ID=`echo $MOZ_APP_DISPLAYNAME | tr 'A-Z' 'a-z' | tr -dc 'a-z-'`
+fi
+MOZ_MACBUNDLE_ID=${MOZ_DISTRIBUTION_ID}.${MOZ_MACBUNDLE_ID}
+if test "$MOZ_DEBUG"; then
+  MOZ_MACBUNDLE_ID=${MOZ_MACBUNDLE_ID}debug
+fi
+
+AC_DEFINE_UNQUOTED(MOZ_MACBUNDLE_ID,$MOZ_MACBUNDLE_ID)
+AC_SUBST(MOZ_MACBUNDLE_ID)
+
+dnl ========================================================
+dnl = Child Process Name for IPC
+dnl ========================================================
+if test "$MOZ_WIDGET_TOOLKIT" != "android"; then
+  MOZ_CHILD_PROCESS_NAME="plugin-container${BIN_SUFFIX}"
+else
+  # We want to let Android unpack the file at install time, but it only does
+  # so if the file is named libsomething.so. The lib/ path is also required
+  # because the unpacked file will be under the lib/ subdirectory and will
+  # need to be executed from that path.
+  MOZ_CHILD_PROCESS_NAME="libplugin-container.so"
+fi
+MOZ_CHILD_PROCESS_BUNDLE="plugin-container.app/Contents/MacOS/"
+MOZ_CHILD_PROCESS_BUNDLENAME="${MOZ_APP_DISPLAYNAME}CP"
+
+AC_SUBST(MOZ_CHILD_PROCESS_NAME)
+AC_SUBST(MOZ_CHILD_PROCESS_BUNDLE)
+AC_SUBST(MOZ_CHILD_PROCESS_BUNDLENAME)
+
+# The following variables are available to branding and application
+# configuration ($BRANDING/configure.sh and $APPLICATION/confvars.sh):
+# - MOZ_APP_VENDOR: Used for application.ini's "Vendor" field, which also
+# impacts profile location and user-visible fields.
+# - MOZ_APP_DISPLAYNAME: Used in user-visible fields (DLL properties,
+# Mac Bundle name, Updater, Installer), it is typically used for nightly
+# builds (e.g. Aurora for Firefox).
+# - MOZ_APP_PROFILE: When set, used for application.ini's
+# "Profile" field, which controls profile location.
+# - MOZ_APP_ID: When set, used for application.ini's "ID" field, and
+# crash reporter server url.
+# - MOZ_PROFILE_MIGRATOR: When set, enables profile migrator.
+
+# The following environment variables used to have an effect, but don't anymore:
+# - MOZ_APP_VERSION: Defines the application version number. This was replaced with
+# the contents from the version.txt file in the application directory, or
+# browser/config/version.txt if there isn't one.
+# - MOZ_APP_VERSION_DISPLAY: Defines the application version number. Used
+# in the "About" window. This was replaced with the contents from the
+# version_display.txt or version.txt in the application directory, or
+# browser/config/version_display.txt.
+
+# For extensions and langpacks, we require a max version that is compatible
+# across security releases. MOZ_APP_MAXVERSION is our method for doing that.
+# 24.0a1 and 24.0a2 aren't affected
+# 24.0 becomes 24.*
+# 24.1.1 becomes 24.*
+IS_ALPHA=`echo $MOZ_APP_VERSION | grep a`
+if test -z "$IS_ALPHA"; then
+  changequote(,)
+  if test "$(basename $MOZ_BUILD_APP)" = "suite"; then
+    MOZ_APP_MAXVERSION=`echo $MOZ_APP_VERSION | sed "s|\(^[0-9]*\.[0-9]*\).*|\1|"`.*
+  else
+    MOZ_APP_MAXVERSION=`echo $MOZ_APP_VERSION | sed "s|\(^[0-9]*\).*|\1|"`.*
+  fi
+  changequote([,])
+else
+  MOZ_APP_MAXVERSION=$MOZ_APP_VERSION
+fi
+
+AC_SUBST(MOZ_APP_DISPLAYNAME)
+AC_SUBST(MOZ_APP_VENDOR)
+AC_SUBST(MOZ_APP_PROFILE)
+AC_SUBST(MOZ_APP_ID)
+AC_SUBST(MAR_CHANNEL_ID)
+AC_SUBST(ACCEPTED_MAR_CHANNEL_IDS)
+AC_SUBST(MOZ_PROFILE_MIGRATOR)
+AC_DEFINE_UNQUOTED(MOZ_APP_UA_NAME, "$MOZ_APP_UA_NAME")
+AC_SUBST(MOZ_APP_UA_NAME)
+AC_DEFINE_UNQUOTED(MOZ_APP_UA_VERSION, "$MOZ_APP_VERSION")
+AC_DEFINE_UNQUOTED(BROWSER_CHROME_URL, $BROWSER_CHROME_URL)
+AC_DEFINE_UNQUOTED(BROWSER_CHROME_URL_QUOTED, "$BROWSER_CHROME_URL")
+
+AC_SUBST(MOZ_APP_MAXVERSION)
+AC_SUBST(MOZ_PKG_SPECIAL)
+AC_SUBST(MOZ_SIMPLE_PACKAGE_NAME)
+
+if test "$MOZILLA_OFFICIAL"; then
+    # Build revisions should always be present in official builds
+    MOZ_INCLUDE_SOURCE_INFO=1
+fi
+
+# External builds (specifically Ubuntu) may drop the hg repo information, so we allow to
+# explicitly set the repository and changeset information in.
+AC_SUBST(MOZ_SOURCE_REPO)
+AC_SUBST(MOZ_SOURCE_CHANGESET)
+AC_SUBST(MOZ_INCLUDE_SOURCE_INFO)
+
+dnl win32 options
+AC_SUBST(WIN32_REDIST_DIR)
+AC_SUBST(WIN_UCRT_REDIST_DIR)
+
+dnl Echo the CFLAGS to remove extra whitespace.
+CFLAGS=`echo \
+    $_COMPILATION_CFLAGS \
+    $CFLAGS`
+
+CXXFLAGS=`echo \
+    $_COMPILATION_CXXFLAGS \
+    $CXXFLAGS`
+
+COMPILE_CFLAGS=`echo \
+    $_DEFINES_CFLAGS \
+    $COMPILE_CFLAGS`
+
+COMPILE_CXXFLAGS=`echo \
+    $_DEFINES_CXXFLAGS \
+    $COMPILE_CXXFLAGS`
+
+HOST_CFLAGS=`echo \
+    $_COMPILATION_HOST_CFLAGS \
+    $HOST_CFLAGS`
+
+HOST_CXXFLAGS=`echo \
+    $_COMPILATION_HOST_CXXFLAGS \
+    $HOST_CXXFLAGS`
+
+HOST_CMFLAGS="-x objective-c -fobjc-exceptions"
+HOST_CMMFLAGS="-x objective-c++ -fobjc-exceptions"
+OS_COMPILE_CMFLAGS="-x objective-c -fobjc-exceptions"
+OS_COMPILE_CMMFLAGS="-x objective-c++ -fobjc-exceptions"
+if test "$MOZ_WIDGET_TOOLKIT" = uikit; then
+  OS_COMPILE_CMFLAGS="$OS_COMPILE_CMFLAGS -fobjc-abi-version=2 -fobjc-legacy-dispatch"
+  OS_COMPILE_CMMFLAGS="$OS_COMPILE_CMMFLAGS -fobjc-abi-version=2 -fobjc-legacy-dispatch"
+fi
+AC_SUBST(HOST_CMFLAGS)
+AC_SUBST(HOST_CMMFLAGS)
+AC_SUBST(OS_COMPILE_CMFLAGS)
+AC_SUBST(OS_COMPILE_CMMFLAGS)
+
+OS_CFLAGS="$CFLAGS"
+OS_CXXFLAGS="$CXXFLAGS"
+OS_CPPFLAGS="$CPPFLAGS"
+OS_COMPILE_CFLAGS="$COMPILE_CFLAGS"
+OS_COMPILE_CXXFLAGS="$COMPILE_CXXFLAGS"
+OS_LDFLAGS="$LDFLAGS"
+OS_LIBS="$LIBS"
+AC_SUBST_LIST(OS_CFLAGS)
+AC_SUBST_LIST(OS_CXXFLAGS)
+AC_SUBST_LIST(OS_CPPFLAGS)
+AC_SUBST_LIST(OS_COMPILE_CFLAGS)
+AC_SUBST_LIST(OS_COMPILE_CXXFLAGS)
+AC_SUBST_LIST(OS_LDFLAGS)
+AC_SUBST(OS_LIBS)
+
+AC_SUBST(HOST_CC)
+AC_SUBST(HOST_CXX)
+AC_SUBST_LIST(HOST_CFLAGS)
+AC_SUBST_LIST(HOST_CPPFLAGS)
+AC_SUBST_LIST(HOST_CXXFLAGS)
+AC_SUBST(HOST_LDFLAGS)
+AC_SUBST_LIST(HOST_OPTIMIZE_FLAGS)
+AC_SUBST(HOST_BIN_SUFFIX)
+
+AC_SUBST(TARGET_XPCOM_ABI)
+
+AC_SUBST(DSO_LDOPTS)
+AC_SUBST(BIN_SUFFIX)
+AC_SUBST(USE_N32)
+AC_SUBST(WIN32_CONSOLE_EXE_LDFLAGS)
+AC_SUBST(WIN32_GUI_EXE_LDFLAGS)
+
+AC_SUBST(MOZ_DEVTOOLS)
+
+AC_SUBST(MOZ_PACKAGE_JSSHELL)
+
+AC_SUBST(DMG_TOOL)
+
+dnl Host JavaScript runtime, if any, to use during cross compiles.
+AC_SUBST(JS_BINARY)
+
+AC_SUBST(NSS_EXTRA_SYMBOLS_FILE)
+
+dnl Set various defines and substitutions
+dnl ========================================================
+
+AC_SUBST(MOZ_DEV_EDITION)
+if test -n "$MOZ_DEV_EDITION"; then
+    AC_DEFINE(MOZ_DEV_EDITION)
+fi
+
+dnl Spit out some output
+dnl ========================================================
+
+# Avoid using obsolete NSPR features
+AC_DEFINE(NO_NSPR_10_SUPPORT)
+
+MOZ_CREATE_CONFIG_STATUS()
+
+rm -fr confdefs* $ac_clean_files