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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 19:28:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 19:28:49 +0000
commit9f9b6e7b09a54b2c8089de33c975086104956249 (patch)
tree29445e7621f24b9ff64b2ea59a434ef0985a143e /autoheader.in
parentInitial commit. (diff)
downloadautoconf-dickey-9f9b6e7b09a54b2c8089de33c975086104956249.tar.xz
autoconf-dickey-9f9b6e7b09a54b2c8089de33c975086104956249.zip
Adding upstream version 2.52+20231210.upstream/2.52+20231210
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'autoheader.in')
-rw-r--r--autoheader.in368
1 files changed, 368 insertions, 0 deletions
diff --git a/autoheader.in b/autoheader.in
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+#! @SHELL@
+# -*- shell-script -*-
+# autoheader -- create `config.h.in' from `configure.ac'
+#------------------------------------------------------------------------------
+# Copyright 2010-2021,2022 Thomas E. Dickey
+# Copyright 1992, 1993, 1994, 1996, 1998, 1999, 2000, 2001
+# Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+# Written by Roland McGrath.
+
+me=`echo "$0" | sed -e 's,.*[/\\],,'`
+
+usage="\
+Usage: $0 [OPTION] ... [TEMPLATE-FILE]
+
+Create a template file of C \`#define' statements for \`configure' to
+use. To this end, scan TEMPLATE-FILE, or \`configure.ac' if present,
+or else \`configure.in'.
+
+ -h, --help print this help, then exit
+ -V, --version print version number, then exit
+ -v, --verbose verbosely report processing
+ -d, --debug don't remove temporary files
+ -W, --warnings=CATEGORY report the warnings falling in CATEGORY
+
+Warning categories include:
+ \`obsolete' obsolete constructs
+ \`all' all the warnings
+ \`no-CATEGORY' turn off the warnings on CATEGORY
+ \`none' turn off all the warnings
+ \`error' warnings are error
+
+Library directories:
+ -A, --autoconf-dir=ACDIR Autoconf's macro files location (rarely needed)
+ -l, --localdir=DIR location of \`aclocal.m4' and \`acconfig.h'
+
+Report bugs to <@PACKAGE_BUGREPORT@>."
+
+version="\
+autoheader (@PACKAGE_NAME@) @VERSION@
+Written by Roland McGrath.
+
+Copyright 2010-2012,2021 Thomas E. Dickey
+Copyright 1992, 1993, 1994, 1996, 1998, 1999, 2000, 2001
+Free Software Foundation, Inc.
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="\
+Try \`$me --help' for more information."
+
+exit_missing_arg="\
+echo \"$me: option \\\`\$1' requires an argument\" >&2
+echo \"\$help\" >&2
+exit 1"
+
+# NLS nuisances.
+# Only set these to C if already set. These must not be set unconditionally
+# because not all systems understand e.g. LANG=C (notably SCO).
+# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
+# Non-C LC_CTYPE values break the ctype check.
+if test "${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
+
+# Variables.
+: ${autoconf_dir=${AC_MACRODIR=@datadir@}}
+dir=`echo "$0" | sed -e 's,[^/]*$,,'`
+# We test "$dir/autoconf" in case we are in the build tree, in which case
+# the names are not transformed yet.
+for autoconf in "$AUTOCONF" \
+ "$dir/@autoconf-name@" \
+ "$dir/autoconf" \
+ "@bindir@/@autoconf-name@"; do
+ test -f "$autoconf" && break
+done
+debug=false
+localdir=.
+status=0
+tmp=
+verbose=:
+warning_all=false
+warning_error=false
+warning_obsolete=false
+
+# Parse command line.
+while test $# -gt 0 ; do
+ optarg=`expr "x$1" : 'x--[^=]*=\(.*\)' \| \
+ "x$1" : 'x-.\(.*\)'`
+ case $1 in
+ --version | -V )
+ echo "$version" ; exit 0 ;;
+ --help | -h )
+ echo "$usage"; exit 0 ;;
+
+ --debug | -d )
+ debug=:; shift ;;
+ --verbose | -v )
+ verbose=echo
+ shift;;
+
+ --localdir=* | -l?* )
+ localdir=$optarg
+ shift ;;
+ --localdir | -l )
+ test $# = 1 && eval "$exit_missing_arg"
+ shift
+ localdir=$1
+ shift ;;
+
+ --autoconf-dir=* | -A?* )
+ autoconf_dir=$optarg
+ shift ;;
+ --autoconf-dir | -A )
+ test $# = 1 && eval "$exit_missing_arg"
+ shift
+ autoconf_dir=$1
+ shift ;;
+ --macrodir=* | -m?* )
+ echo "$me: warning: --macrodir is obsolete, use --autoconf-dir" >&2
+ autoconf_dir=$optarg
+ shift ;;
+ --macrodir | -m )
+ echo "$me: warning: --macrodir is obsolete, use --autoconf-dir" >&2
+ test $# = 1 && eval "$exit_missing_arg"
+ shift
+ autoconf_dir=$1
+ shift ;;
+
+ --warnings=* | -W?* )
+ warnings=$warnings,$optarg
+ shift ;;
+ --warnings | -W )
+ test $# = 1 && eval "$exit_missing_arg"
+ shift
+ warnings=$warnings,$1
+ shift ;;
+
+ -- ) # Stop option processing
+ shift; break ;;
+ - ) # Use stdin as input.
+ break ;;
+ -* )
+ exec >&2
+ echo "$me: invalid option $1"
+ echo "$help"
+ exit 1 ;;
+ * )
+ break ;;
+ esac
+done
+
+# The warnings are the concatenation of 1. application's defaults
+# (here, none), 2. $WARNINGS, $3 command line options, in that order.
+alphabet='abcdefghijklmnopqrstuvwxyz'
+ALPHABET='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+_ac_warnings=
+for warning in `IFS=,; echo $WARNINGS,$warnings | tr $ALPHABET $alphabet`
+do
+ case $warning in
+ '' | ,) continue;;
+ no-*) eval warning_`expr x$warning : 'xno-\(.*\)'`=false;;
+ *) eval warning_$warning=:;;
+ esac
+done
+
+# Trap on 0 to stop playing with `rm'.
+$debug ||
+{
+ trap 'status=$?; rm -rf $tmp && exit $status' 0
+ trap '(exit 1); exit 1' 1 2 13 15
+}
+
+# Create a (secure) tmp directory for tmp files.
+: ${TMPDIR=/tmp}
+{
+ tmp=`(umask 077 && mktemp -d -q "$TMPDIR/ahXXXXXX") 2>/dev/null` &&
+ test -n "$tmp" && test -d "$tmp"
+} ||
+{
+ tmp=$TMPDIR/ah$$
+ (umask 077 && mkdir $tmp)
+} ||
+{
+ echo "$me: cannot create a temporary directory in $TMPDIR" >&2
+ (exit 1); exit 1
+}
+
+# Preach.
+if ($warning_all || $warning_obsolete) &&
+ (test -f $config_h.top ||
+ test -f $config_h.bot ||
+ test -f $localdir/acconfig.h); then
+ sed -e "s/^ /$me: WARNING: /" >&2 <<\EOF
+ Using auxiliary files such as `acconfig.h', `config.h.bot'
+ and `config.h.top', to define templates for `config.h.in'
+ is deprecated and discouraged.
+
+ Using the third argument of `AC_DEFINE' and
+ `AC_DEFINE_UNQUOTED' allows to define a template without
+ `acconfig.h':
+
+ AC_DEFINE([NEED_MAIN], 1,
+ [Define if a function `main' is needed.])
+
+ More sophisticated templates can also be produced, see the
+ documentation.
+EOF
+ $warning_error && { (exit 1); exit 1; }
+fi
+
+acconfigs=
+test -r $localdir/acconfig.h && acconfigs="$acconfigs $localdir/acconfig.h"
+
+# Find the input file.
+case $# in
+ 0)
+ case `ls configure.ac configure.in 2>/dev/null` in
+ *ac*in )
+ echo "$me: warning: both \`configure.ac' and \`configure.in' are present." >&2
+ echo "$me: warning: proceeding with \`configure.ac'." >&2
+ infile=configure.ac;;
+ *ac ) infile=configure.ac;;
+ *in ) infile=configure.in;;
+ * )
+ echo "$me: no input file" >&2
+ (exit 1); exit 1;;
+ esac;;
+ 1) infile=$1 ;;
+ *) exec >&2
+ echo "$me: invalid number of arguments."
+ echo "$help"
+ (exit 1); exit 1;;
+esac
+
+# Set up autoconf.
+autoconf="$autoconf -l $localdir"
+export autoconf_dir
+
+# ----------------------- #
+# Real work starts here. #
+# ----------------------- #
+
+# Source what the traces are trying to tell us.
+$verbose $me: running $autoconf to trace from $infile >&2
+$autoconf \
+ --trace AC_CONFIG_HEADERS:': $${config_h="$1"}' \
+ --trace AH_OUTPUT:'ac_verbatim_$1="\
+$2"' \
+ --trace AC_DEFINE_TRACE_LITERAL:'syms="$$syms $1"' \
+ $infile | \
+ sed \
+ -e 's/\(syms="$syms [a-zA-Z_][a-zA-Z0-9_]*\)([^)]*)"/\1"/g' \
+ -e 's/\(#undef [a-zA-Z_][a-zA-Z0-9_]*\)([^)]*)/\1/g' \
+ -e 's/^\(ac_verbatim_[^(=]*\)([^)]*)/\1/g' \
+ >$tmp/traces.sh || { (exit 1); exit 1; }
+
+$verbose $me: sourcing $tmp/traces.sh >&2
+if (set -e && . $tmp/traces.sh) >/dev/null 2>&1; then
+ . $tmp/traces.sh
+else
+ echo "$me: error: shell error while sourcing $tmp/traces.sh" >&2
+ (exit 1); exit 1
+fi
+
+
+# Make SYMS newline-separated rather than blank-separated, and remove dups.
+# Start each symbol with a blank (to match the blank after "#undef")
+# to reduce the possibility of mistakenly matching another symbol that
+# is a substring of it.
+# Beware that some of the symbols might actually be macro with arguments:
+# keep only their name.
+syms=`for sym in $syms; do echo $sym; done |
+ sed -e 's/(.*//' |
+ sort |
+ uniq |
+ sed -e 's@^@ @'`
+
+
+# We template only the first CONFIG_HEADER.
+config_h=`set X $config_h; echo $2`
+# Support "outfile[:infile]", defaulting infile="outfile.in".
+case "$config_h" in
+"") echo "$me: error: AC_CONFIG_HEADERS not found in $infile" >&2
+ (exit 1); exit 1 ;;
+*:*) config_h_in=`echo "$config_h" | sed 's/.*://'`
+ config_h=`echo "$config_h" | sed 's/:.*//'` ;;
+*) config_h_in="$config_h.in" ;;
+esac
+
+# Don't write "do not edit" -- it will get copied into the
+# config.h, which it's ok to edit.
+cat <<EOF >$tmp/config.hin
+/* $config_h_in. Generated automatically from $infile by autoheader. */
+EOF
+
+# Dump the top.
+test -r $config_h.top && cat $config_h.top >>$tmp/config.hin
+
+# Dump `acconfig.h' but its bottom.
+test -r $localdir/acconfig.h &&
+ sed '/@BOTTOM@/,$d;s/@TOP@//' $localdir/acconfig.h >>$tmp/config.hin
+
+# Dump the templates from `configure.ac'.
+for verb in `(set) 2>&1 | sed -n -e '/^ac_verbatim/s/^\([^=]*\)=.*$/\1/p' | sort`; do
+ eval value=\$$verb
+ cat >>$tmp/config.hin <<EOF
+
+$value
+EOF
+done
+
+# Handle the case where @BOTTOM@ is the first line of acconfig.h.
+test -r $localdir/acconfig.h &&
+ grep @BOTTOM@ $localdir/acconfig.h >/dev/null &&
+ sed -n '/@BOTTOM@/,${/@BOTTOM@/!p;}' $localdir/acconfig.h >>$tmp/config.hin
+test -f $config_h.bot && cat $config_h.bot >>$tmp/config.hin
+
+
+# Check that all the symbols have a template.
+$verbose $me: checking completeness of the template >&2
+# Regexp for a white space.
+w='[ ]'
+if test -n "$syms"; then
+ for sym in $syms; do
+ if @EGREP@ "^#$w*[a-z]*$w$w*$sym($w*|$w.*)$" $tmp/config.hin >/dev/null; then
+ : # All is well.
+ else
+ echo "$me: No template for symbol \`$sym'" >&2
+ status=1
+ fi
+ done
+fi
+
+
+# If the run was successful, output the result.
+if test $status = 0; then
+ if test $# = 0; then
+ # Output is a file
+ if test -f $config_h_in && cmp -s $tmp/config.hin $config_h_in; then
+ # File didn't change, so don't update its mod time.
+ echo "$me: $config_h_in is unchanged" >&2
+ else
+ mv -f $tmp/config.hin $config_h_in
+ fi
+ else
+ # Output is stdout
+ cat $tmp/config.hin
+ fi
+fi
+
+(exit $status); exit $status