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-rwxr-xr-xscripts/Configure-Makefile340
1 files changed, 340 insertions, 0 deletions
diff --git a/scripts/Configure-Makefile b/scripts/Configure-Makefile
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index 0000000..61368ec
--- /dev/null
+++ b/scripts/Configure-Makefile
@@ -0,0 +1,340 @@
+#! /bin/sh
+LC_ALL=C
+export LC_ALL
+
+# Shell script to build Makefile in a build directory. It must be called
+# from inside the directory. It does its own checking of when to rebuild; it
+# just got too horrendous to get it right in "make", because of the optionally
+# existing configuration files.
+#
+# Copyright (c) The Exim Maintainers 1995 - 2020
+
+
+# First off, get the OS type, and check that there is a make file for it.
+
+ostype=`../scripts/os-type -generic` || exit 1
+
+if [ ! -r ../OS/Makefile-$ostype ] ; then
+ echo ""
+ echo "*** Sorry - operating system $ostype is not supported"
+ echo "*** See OS/Makefile-* for supported systems" 1>&2
+ echo ""
+ exit 1
+fi
+
+# We also need the architecture type, in order to test for any architecture-
+# specific configuration files.
+
+archtype=`../scripts/arch-type` || exit 1
+
+# Now test for either the non-existence of Makefile, or for any of its
+# components being newer. Note that the "newer" script gives the right
+# answer (for our purposes) when the first file is non-existent.
+
+editme=../Local/Makefile
+rebuild=yes
+
+if [ -f Makefile ] ; then
+ rebuild=no
+ if ../scripts/newer $editme Makefile || \
+ ../scripts/newer $editme-$ostype Makefile || \
+ ../scripts/newer $editme-$archtype Makefile || \
+ ../scripts/newer $editme-$ostype-$archtype Makefile || \
+ ../scripts/newer ../scripts/Configure-Makefile Makefile || \
+ ../scripts/newer ../OS/Makefile-Base Makefile || \
+ ../scripts/newer ../OS/Makefile-Default Makefile
+ then
+ rebuild=yes
+ fi
+fi
+
+# If the "build" variable is set it means that a build name was explicitly
+# given. Arrange to pick up a build-specific configuration file.
+
+if [ "X$build" != "X" ] ; then
+ mfb=Local/Makefile-$build
+ if ../scripts/newer $editme-$build Makefile ; then
+ rebuild=yes
+ fi
+else
+ mfb=
+fi
+
+
+# If Makefile is up-to-date, no need to rebuild it.
+
+if [ $rebuild = no ] ; then
+ echo "\`Makefile' is up to date."
+ echo " "
+ exit
+fi
+
+# Makefile needs to be rebuilt in the current directory by joining
+# the generic default makefile, the OS base makefile, and then local
+# generic, OS-specific, architecture-specific, and OS+architecture-specific
+# makefiles, if they exist. These files all contain macro definitions, with
+# later definitions overriding earlier ones. Make a temporary file first, in
+# case things go wrong. A second temporary is needed for sorting out the
+# default Perl stuff. Use short macro names to save typing.
+
+mf=Makefile
+mft=$mf-t
+mftt=$mf-tt
+mftepcp=$mf-tepcp
+mftepcp2=$mf-tepcp2
+
+look_mf=lookups/Makefile
+look_mf_pre=${look_mf}.predynamic
+look_mf_post=${look_mf}.postdynamic
+
+# Ensure the temporary does not exist and start the new one by setting
+# the OSTYPE and ARCHTYPE variables.
+
+rm -f $mft $mftt $mftepcp $mftepcp2 $look_mf-t
+(echo "OSTYPE=$ostype"; echo "ARCHTYPE=$archtype"; echo "") > $mft || exit 1
+
+# Now concatenate the files to the temporary file. Copy the files using sed to
+# remove comments, blank lines, and trailing white space.
+
+# BEWARE: a tab character is needed in the sed command below. It has had
+# a nasty tendency to get lost in the past, causing a problem if a tab has
+# actually been present in one of the files. Use a variable to hold a space
+# and a tab to keep the tab in one place.
+
+st=' '
+
+for f in OS/Makefile-Default \
+ OS/Makefile-$ostype \
+ Local/Makefile \
+ Local/Makefile-$ostype \
+ Local/Makefile-$archtype \
+ Local/Makefile-$ostype-$archtype \
+ $mfb
+do if test -r ../$f
+ then echo "# From $f"
+ sed "/^#/d;/^[$st]*\$/d;s/[$st]*\$//" ../$f || exit 1
+ echo "# End of $f"
+ echo ""
+ fi
+done \
+ | sed 's/^TMPDIR=/EXIM_&/' \
+ >> $mft || exit 1
+
+# handle PKG_CONFIG_PATH because we need it in our env, and we want to handle
+# wildcards; note that this logic means all setting _appends_ values, never
+# replacing; if that's a problem, we can revisit.
+sed -n "s/^[$st]*PKG_CONFIG_PATH[$st]*[+]*=[$st]*//p" $mft | \
+ sed "s/[$st]*\$//" >> $mftepcp
+if test -s ./$mftepcp
+then
+ # expand any wildcards and strip spaces, to make it a real PATH-like variable
+ ( IFS=":${IFS-$st}"; for P in `cat ./$mftepcp`; do echo "$P"; done ) | xargs | sed "s/[$st]/:/g" >./$mftepcp2
+ sed "s/^/PKG_CONFIG_PATH='/" < ./$mftepcp2 | sed "s/\$/'/" > ./$mftepcp
+ . ./$mftepcp
+ export PKG_CONFIG_PATH
+ egrep -v "^[$st]*PKG_CONFIG_PATH[$st]*=" ./$mft > ./$mftt
+ rm -f ./$mft
+ (
+ echo "# Collapsed PKG_CONFIG_PATH in build-prep:"
+ sed "s/'//g" ./$mftepcp
+ echo "# End of collapsed PKG_CONFIG_PATH"
+ echo ""
+ cat ./$mftt
+ ) > ./$mft
+ rm -f ./$mftt
+fi
+rm -f ./$mftepcp ./$mftepcp2
+
+# handle pkg-config
+# beware portability of extended regexps with sed.
+egrep "^[$st]*(AUTH|LOOKUP)_[A-Z0-9_]*[$st]*=[$st]*" $mft | \
+ sed "s/[$st]*=/='/" | \
+ sed "s/\$/'/" > $mftt
+egrep "^[$st]*((USE_(OPENSSL|GNUTLS)_PC)|SUPPORT_TLS|USE_GNUTLS|PCRE_CONFIG|AVOID_GNUTLS_PKCS11)[$st]*=[$st]*" $mft | \
+ sed "s/[$st]*=/='/" | \
+ sed "s/\$/'/" >> $mftt
+if test -s $mftt
+then
+ (
+ echo "# pkg-config fixups"
+ . ./$mftt
+ for var in `cut -d = -f 1 < $mftt`; do
+ case $var in
+
+ USE_*_PC)
+ eval "pc_value=\"\$$var\""
+ need_this=''
+ need_core=''
+ if [ ".$DISABLE_TLS" = .yes ]; then
+ # no TLS, not referencing
+ true
+ elif [ ".$var" = ".USE_GNUTLS_PC" ] && [ ".$USE_GNUTLS" != "." ]; then
+ need_this=t
+ need_core="gnutls-special"
+ elif [ ".$var" = ".USE_OPENSSL_PC" ] && [ ".$USE_GNUTLS" = "." ]; then
+ need_this=t
+ need_core=t
+ fi
+ if [ ".$need_this" != "." ]; then
+ tls_include=`pkg-config --cflags $pc_value`
+ if [ $? -ne 0 ]; then
+ echo >&2 "*** Missing pkg-config for package $pc_value (for Exim $var build option)"
+ exit 1
+ fi
+ tls_libs=`pkg-config --libs $pc_value`
+ echo "TLS_INCLUDE=$tls_include"
+ echo "TLS_LIBS=$tls_libs"
+ # With hash.h pulling crypto into the core, we need to also handle that
+ if [ ".$need_this" = ".t" ]; then
+ echo "CFLAGS += $tls_include"
+ echo "LDFLAGS += $tls_libs"
+ elif [ ".$need_this" = ".gnutls-special" ]; then
+ if pkg-config --atleast-version=2.10 gnutls ; then
+ echo "CFLAGS += $tls_include"
+ echo "LDFLAGS += $tls_libs"
+ else
+ echo "CFLAGS += `libgcrypt-config --cflags`"
+ echo "LDFLAGS += `libgcrypt-config --libs`"
+ fi
+ fi
+ fi
+ ;;
+
+ *_PC)
+ eval "pc_value=\"\$$var\""
+ base=`echo $var | sed 's/_PC$//'`
+ eval "basevalue=\"\$$base\""
+ if [ ".$basevalue" = "." ]; then
+ # not pulling in this module, _PC defined as default? Ignore
+ true
+ elif [ $basevalue = 2 ]; then
+ # module; handled in scripts/lookups-Makefile
+ true
+ else
+ # main binary
+ cflags=`pkg-config --cflags $pc_value`
+ if [ $? -ne 0 ]; then
+ echo >&2 "*** Missing pkg-config for package $pc_value (for Exim $var build option)"
+ exit 1
+ fi
+ libs=`pkg-config --libs $pc_value`
+ if [ "$var" != "${var#LOOKUP_}" ]; then
+ echo "LOOKUP_INCLUDE += $cflags"
+ echo "LOOKUP_LIBS += $libs"
+ elif [ "$var" != "${var#AUTH_}" ]; then
+ echo "CFLAGS += $cflags"
+ echo "AUTH_LIBS += $libs"
+ else
+ echo >&2 "Don't know how to handle pkg-config for $var"
+ fi
+ fi
+ ;;
+
+ PCRE_CONFIG)
+ case $PCRE_CONFIG in
+ yes|YES|y|Y)
+ cflags=`pcre-config --cflags`
+ if [ $? -ne 0 ]; then
+ echo >&2 "*** Missing pcre-config for regular expression support"
+ exit 1
+ fi
+ libs=`pcre-config --libs`
+ if [ ".$cflags" != "." ]; then
+ echo "INCLUDE += $cflags"
+ fi
+ echo "PCRE_LIBS=$libs"
+ ;;
+ esac
+ ;;
+
+ AVOID_GNUTLS_PKCS11)
+ echo "$var=yes"
+ ;;
+
+ esac
+ done
+ echo "# End of pkg-config fixups"
+ echo
+ ) >> $mft
+ subexit=$?
+ if [ $subexit -ne 0 ]; then
+ exit $subexit
+ fi
+fi
+rm -f $mftt
+
+# make the lookups Makefile with the definitions
+# the auxiliary script generates $look_mf_post from $look_mf_pre
+
+cp ../src/lookups/Makefile $look_mf_pre
+../scripts/lookups-Makefile
+
+# See if there is a definition of EXIM_PERL in what we have built so far.
+# If so, run Perl to find the default values for PERL_CC, PERL_CCOPTS,
+# and PERL_LIBS. These need to be put at the top of the Makefile, so we rename
+# what we have so far and then copy it afterwards. Use the value of PERL_COMMAND
+# if it has been defined.
+
+EXIM_PERL=`grep EXIM_PERL $mft`
+
+PERL_COMMAND=`grep PERL_COMMAND $mft | sed -e "\\$!d;s/^[$st]*PERL_COMMAND[$st]*=[$st]*//"`
+if [ "${PERL_COMMAND}" = "" ] ; then
+ PERL_COMMAND='perl'
+fi
+
+if [ "${EXIM_PERL}" != "" ] ; then
+ testperl=`$PERL_COMMAND --version`
+ if [ "$testperl" = "" ] ; then
+ echo "*** EXIM_PERL is set, but '$PERL_COMMAND --version' failed"
+ exit 1
+ fi
+
+ EXTUTILS_EMBED_NOT_INSTALLED=`$PERL_COMMAND -MExtUtils::Embed -e ";" 2>&1`
+ if [ "${EXTUTILS_EMBED_NOT_INSTALLED}" != "" ] ; then
+ echo "Please install ExtUtils::Embed for $PERL_COMMAND"
+ exit 1;
+ fi
+
+ mv $mft $mftt
+ echo "PERL_CC=`$PERL_COMMAND -MConfig -e 'print $Config{cc}'`" >>$mft
+ echo "PERL_CCOPTS=`$PERL_COMMAND -MExtUtils::Embed -e ccopts`" >>$mft
+ echo "PERL_LIBS=`$PERL_COMMAND -MExtUtils::Embed -e ldopts`" >>$mft
+ echo "" >>$mft
+ cat $mftt >> $mft
+ rm -f $mftt
+fi
+
+# Record the build variable in the Makefile.
+
+echo "build=$build" >>$mft
+echo "" >>$mft
+
+# Finally, join on the generic base make file, which contains the actual
+# rules and stuff.
+
+echo "# From ../OS/Makefile-Base" >> $mft
+cat ../OS/Makefile-Base >> $mft || exit 1
+
+# If the new makefile is the same as the existing one, say so, and just
+# update the timestamp. Otherwise remove the old and install the new.
+
+if [ -s $mf ] && cmp -s $mft $mf && [ -s $look_mf ] && cmp -s $look_mf_post $look_mf
+then echo ">>> rebuilt $mf unchanged"
+ echo " "
+ touch $mf || exit
+ rm -f $mft $look_mf_pre $look_mf_post
+elif rm -f $mf $look_mf $look_mf_pre
+ mv $mft $mf
+ mv $look_mf_post $look_mf
+then echo ">>> New $mf & $look_mf installed"
+ echo '>>> Use "make makefile" if you need to force rebuilding of the makefile'
+ echo " "
+else echo " "
+ echo "*** Failed to install $mf - see $mft"
+ echo " (or $look_mft)"
+ echo " "
+ exit 1;
+fi
+
+# vim: set ft=sh :
+# End of Configure-Makefile