#! @SHELL@ # autoheader -- create `config.h.in' from `configure.in' # Copyright (C) 1992-94, 96, 98, 99, 2000 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. # If given no args, create `config.h.in' from template file `configure.in'. # With one arg, create a header file on standard output from # the given template file. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] ... [TEMPLATE-FILE] Create a template file of C \`#define' statements for \`configure' to use. To this end, scan TEMPLATE-FILE, or \`configure.in' if none given. -h, --help print this help, then exit --version print version number, then exit -d, --debug don't remove temporary files -m, --macrodir=DIR directory storing macro files -l, --localdir=DIR directory storing \`aclocal.m4' and \`acconfig.h' -v, --verbose verbosely report processing Report bugs to ." version="\ autoheader (GNU @PACKAGE@) @VERSION@ Written by Roland McGrath. Copyright (C) 1992-94, 96, 98, 99, 2000 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help="\ Try \`$me --help' for more information." # 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 test -z "${AC_MACRODIR}" && AC_MACRODIR=@datadir@ test -z "${M4}" && M4=@M4@ case "${M4}" in /*) # Handle the case that m4 has moved since we were configured. # It may have been found originally in a build directory. test -f "${M4}" || M4=m4 ;; esac # ac_LF_and_DOT # We use echo to avoid assuming a particular line-breaking character. # The extra dot is to prevent the shell from consuming trailing # line-breaks from the sub-command output. A line-break within # single-quotes doesn't work because, if this script is created in a # platform that uses two characters for line-breaks (e.g., DOS), tr # would break. ac_LF_and_DOT=`echo; echo .` localdir=. debug=false # Basename for temporary files. : ${TMPDIR=/tmp} ah_base=$TMPDIR/ah$$ tmpout=$ah_base.out while test $# -gt 0 ; do case "$1" in -h | --help | --h* ) echo "$usage"; exit 0 ;; --version | --v* ) echo "$version"; exit 0 ;; -d | --debug | --d* ) debug=:; shift ;; --localdir=* | --l*=* ) localdir=`echo "$1" | sed -e 's/^[^=]*=//'` shift ;; -l | --localdir | --l*) shift test $# -eq 0 && { echo "$help" >&2; exit 1; } localdir=$1 shift ;; --macrodir=* | --m*=* ) AC_MACRODIR=`echo "$1" | sed -e 's/^[^=]*=//'` shift ;; -m | --macrodir | --m* ) shift test $# -eq 0 && { echo "$help" >&2; exit 1; } AC_MACRODIR=$1 shift ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) exec >&2 echo "$me: invalid option $1" echo "$help" exit 1 ;; * ) break ;; esac done acconfigs= test -r $localdir/acconfig.h && acconfigs="$acconfigs $localdir/acconfig.h" case $# in 0) infile=configure.in ;; 1) infile=$1 ;; *) exec >&2 echo "$me: invalid number of arguments." echo "$help" exit 1 ;; esac config_h= syms= if test "$localdir" != .; then use_localdir="-I$localdir -DAC_LOCALDIR=$localdir" else use_localdir= fi # Some non-GNU m4's don't reject the --help option, so give them /dev/null. case `$M4 --help < /dev/null 2>&1` in *reload-state*);; *) echo "$me: Autoconf requires GNU m4 1.4 or later" >&2; exit 1 ;; esac run_m4="$M4 --reload $AC_MACRODIR/autoheader.m4f $use_localdir" # Trap on 0 to stop playing with `rm'. $debug || trap "rm -f $ah_base*" 0 1 2 15 # Extract assignments of `ah_verbatim_SYMBOL' from the modified # autoconf processing of the input file. The sed hair is necessary to # win for multi-line macro invocations. $run_m4 $infile >$ah_base.exp sed -n -e ' : again /^@@@.*@@@$/s/^@@@\(.*\)@@@$/\1/p /^@@@/{ s/^@@@//p n s/^/@@@/ b again }' $ah_base.exp >$ah_base.decls . $ah_base.decls $debug || rm $ah_base.exp $ah_base.decls # 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. syms=`for sym in $syms; do echo $sym; done | sort | uniq | sed 's@^@ @'` # Support "outfile[:infile]", defaulting infile="outfile.in". case "$config_h" in "") echo "$me: error: AC_CONFIG_HEADERS not found in $infile" >&2; exit 1 ;; *:*) config_h_in=`echo "$config_h" | sed 's/.*://'` config_h=`echo "$config_h" | sed 's/:.*//'` ;; *) config_h_in="$config_h.in" ;; esac tmpout=$ah_base.out $debug || trap "rm -f $ah_base*; exit 1" 1 2 15 # Don't write "do not edit" -- it will get copied into the # config.h, which it's ok to edit. cat <$tmpout /* $config_h_in. Generated automatically from $infile by autoheader. */ EOF test -r ${config_h}.top && cat ${config_h}.top >>$tmpout test -r $localdir/acconfig.h && grep @TOP@ $localdir/acconfig.h >/dev/null && sed '/@TOP@/,$d' $localdir/acconfig.h >>$tmpout # This puts each template paragraph on its own line, separated by @s. if test -n "$syms"; then # Make sure the boundary of template files is also the boundary # of the paragraph. Extra newlines don't hurt since they will # be removed. # Stuff outside of @TOP@ and @BOTTOM@ is ignored in all the acconfig.hs. for t in $acconfigs; do sedscript="" grep @TOP@ $t >/dev/null && sedscript="1,/@TOP@/d;" grep @BOTTOM@ $t >/dev/null && sedscript="$sedscript /@BOTTOM@/,\$d;" # This substitution makes "#undefFOO" in acconfig.h work. sed -n -e "$sedscript s/ / /g; p" $t echo; echo done | # The sed script is suboptimal because it has to take care of # some broken seds (e.g. AIX) that remove '\n' from the # pattern/hold space if the line is empty. (junio@twinsun.com). sed -n -e ' /^[ ]*$/{ x s/\n/@/g p s/.*/@/ x } H' | sed -e 's/@@*/@/g' | # Select each paragraph that refers to a symbol we picked out above. # Some fgrep's have limits on the number of lines that can be in the # pattern on the command line, so use a temporary file containing the # pattern. (fgrep_tmp=$ah_base.fgrep cat > $fgrep_tmp <>$tmpout fi for verb in `(set) 2>&1 | sed -n -e '/^ac_verbatim/s/^\([^=]*\)=.*$/\1/p'`; do echo >>$tmpout eval echo >>$tmpout '"${'$verb'}"' 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;}' $localdir/acconfig.h >>$tmpout test -f ${config_h}.bot && cat ${config_h}.bot >>$tmpout # Check that all the symbols have a template status=0 if test -n "$syms"; then for sym in $syms; do if grep "^#[a-z]*[ ][ ]*$sym[ ]*$" $tmpout >/dev/null; then : # All is well. else echo "$0: No template for symbol \`$sym'" >&2 status=1 fi done fi # If the run was successful, output the result. if test $status -eq 0; then if test $# -eq 0; then # Output is a file if test -f $config_h_in && cmp -s $tmpout $config_h_in; then # File didn't change, so don't update its mod time. echo "$0: $config_h_in is unchanged" >&2 else mv -f $tmpout $config_h_in fi else # Output is stdout cat $tmpout fi fi exit $status