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libtool/libtoolize.in
Gary V. Vaughan 82d805df21 * libtoolize.in (configure_ac): Don't complain about the lack of 
aclocal.m4.
Reported by Alexandre Duret-Lutz <adl@src.lip6.fr>
2004-04-14 10:24:25 +00:00

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#! /bin/sh
# libtoolize (GNU @PACKAGE@@TIMESTAMP@) @VERSION@
# Written by Gary V. Vaughan <gary@gnu.org>
# Copyright (C) 2003, 2004 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.
# 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 of the License, 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, a copy can be downloaded from
# http://www.gnu.org/copyleft/gpl.html, or by writing to the Free
# Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
# MA 02111-1307, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Usage: $progname [OPTION]...
#
# Prepare a package to use libtool.
#
# -c, --copy copy files rather than symlinking them
# --debug enable verbose shell tracing
# -n, --dry-run print commands rather than running them
# -f, --force replace existing files
# --help display this message and exit
# -i, --install copy missing auxiliary files
# --ltdl install libltdl in a subdirectory
# -q, --quiet work silently
# -v, --verbose verbosely report processing
# --version print version information and exit
#
# You must `cd' to the top directory of your package before you run
# `$progname'.
#
# Report bugs to <bug-libtool@gnu.org>.
: ${CP="cp -f"}
: ${LN_S="@LN_S@"}
: ${MKDIR="mkdir"}
: ${RM="rm -f"}
: ${SED="@SED@"}
dirname="s,/[^/]*$,,"
basename="s,^.*/,,g"
# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
# is ksh but when the shell is invoked as "sh" and the current value of
# the _XPG environment variable is not equal to 1 (one), the special
# positional parameter $0, within a function call, is the name of the
# function.
progpath="$0"
# The name of this program:
progname=`echo "$progpath" | $SED "$basename"`
PROGRAM=libtoolize
# Global variables:
EXIT_SUCCESS=0
EXIT_FAILURE=1
opt_dry_run=false
opt_force=false
opt_install=false
opt_link=:
opt_ltdl=false
opt_quiet=false
opt_verbose=false
seen_libtool=false
seen_ltdl=false
exit_status=$EXIT_SUCCESS
# Locations for important files:
prefix=@prefix@
datadir=@datadir@
pkgdatadir=@pkgdatadir@
pkgmacrodir="$pkgdatadir/m4"
auxdir=
m4dir=
configure_ac=configure.in
# func_echo arg...
# Echo program name prefixed message.
func_echo ()
{
echo $progname: ${1+"$@"}
}
# func_verbose arg...
# Echo program name prefixed message in verbose mode only.
func_verbose ()
{
$opt_verbose && func_echo ${1+"$@"}
}
# func_error arg...
# Echo program name prefixed message to standard error.
func_error ()
{
echo $progname: ${1+"$@"} 1>&2
}
# func_fatal_error arg...
# Echo program name prefixed message to standard error, and exit.
func_fatal_error ()
{
func_error ${1+"$@"}
exit $EXIT_FAILURE
}
# func_fatal_help arg...
# Echo program name prefixed message to standard error, followed by
# a help hint, and exit.
func_fatal_help ()
{
func_error ${1+"$@"}
func_fatal_error "Try \`$progname --help' for more information."
}
# func_missing_arg argname
# Echo program name prefixed message to standard error and set global
# exit_cmd.
func_missing_arg ()
{
func_error "missing argument for $1"
exit_cmd=exit
}
# func_usage
# Echo short help message to standard output and exit.
func_usage ()
{
$SED '/^# Usage:/,/# -h/ {
s/^# //; s/^# *$//;
s/\$progname/'$progname'/;
p;
}; d' < "$progpath"
echo
echo "run \`$progname --help | more' for full usage"
exit $EXIT_SUCCESS
}
# func_help
# Echo long help message to standard output and exit.
func_help ()
{
$SED '/^# Usage:/,/# Report bugs to/ {
s/^# //; s/^# *$//;
s/\$progname/'$progname'/;
p;
}; d' < "$progpath"
exit $EXIT_SUCCESS
}
# func_version
# Echo version message to standard output and exit.
func_version ()
{
$SED '/^# '$PROGRAM' (GNU /,/# warranty; / {
s/^# //; s/^# *$//;
s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/;
p;
}; d' < "$progpath"
exit $EXIT_SUCCESS
}
# Parse options once, thoroughly. This comes as soon as possible in
# the script to make things like `libtoolize --version' happen quickly.
{
# sed scripts:
my_sed_single_opt='1s/^\(..\).*$/\1/;q'
my_sed_single_rest='1s/^..\(.*\)$/\1/;q'
my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q'
my_sed_long_arg='1s/^--[^=]*=//'
while test "$#" -gt 0; do
opt="$1"
shift
case $opt in
--copy|-c) opt_link=false ;;
--debug) func_echo "enabling shell trace mode"
set -x
;;
--dry-run|-n) if $opt_dry_run; then :; else
opt_dry_run=:
RM="echo $RM"
test -n "$LN_S" && LN_S="echo $LN_S"
CP="echo $CP"
MKDIR="echo $MKDIR"
fi
;;
--force|-f) opt_force=: ;;
--install|-i) opt_install=: ;;
--ltdl) opt_ltdl=: ;;
--quiet|--automake|-q) # --automake is for 1.5 compatibility
opt_quiet=: ;;
--verbose|-v) opt_verbose=: ;;
-c*|-i*|-f*|-n*|-q*|-v*)
rest=`echo "$opt" |$SED "$my_sed_single_rest"`
opt=`echo "$opt" |$SED "$my_sed_single_opt"`
set -- "$opt" "-$rest" ${1+"$@"}
;;
-\?|-h) func_usage ;;
--help) func_help ;;
--version) func_version ;;
--) break ;;
-*) func_fatal_help "unrecognized option \`$opt'" ;;
*) func_fatal_help "too many arguments" ;;
esac
done
}
# func_mkdir_p dir
# Make sure the entire path to DIR is available.
func_mkdir_p ()
{
my_dir=$1
my_dirs=
while test ! -d "$my_dir"; do
my_dirs="$my_dir $my_dirs"
case $my_dir in */*) ;; *) break ;; esac
my_dir=`echo "$my_dir" | $SED "$dirname"`
done
test ! -n "$my_dirs" || $MKDIR $my_dirs
}
# func_copy srcfile destfile
# If option `--copy' was specified, or soft-linking SRCFILE to DESTFILE fails,
# then try to copy SRCFILE to DESTFILE.
func_copy ()
{
my_srcfile="$1"
my_destfile="$2"
my_return_status=1
func_mkdir_p `echo "$my_destfile" | $SED "$dirname"`
$RM "$my_destfile"
if $opt_link && $LN_S "$my_srcfile" "$my_destfile"; then
$opt_quiet || func_echo "copying file \`$my_destfile'"
my_return_status=0
elif $CP "$my_srcfile" "$my_destfile"; then
$opt_quiet || func_echo "copying file \`$my_destfile'"
my_return_status=0
else
func_error "can not copy \`$my_srcfile' to \`$my_destfile'"
exit_status=$EXIT_FAILURE
fi
return $my_return_status
}
# func_copy_all_files srcdir destdir [glob_exclude] [copy_cb=func_copy]
# For each file in SRCDIR, then try to copy the file to DESTDIR by calling
# COPY_CB with the src and dest files. If GLOB_EXCLUDE is given, exclude
# any matching filenames from the copy. If COPY_CB is passed, then the
# check for overwriting without opt_force is the callbacks responsibility:
# This allows using callbacks like func_serial_update, which perform their
# own checks to decide whether to overwrite the dest file.
func_copy_all_files ()
{
my_srcdir="$1"
my_destdir="$2"
my_glob_exclude="$3"
my_copy_cb=${4-func_copy}
for my_filename in `cd "$my_srcdir" && ls`; do
# ignore excluded filenames
if test -n "$my_glob_exclude"; then
eval 'case $my_filename in '$my_glob_exclude') continue ;; esac'
fi
if test -f "$my_srcdir/$my_filename"; then
if test "X$my_copy_cb" = Xfunc_copy; then
$opt_force || if test -f "$my_destdir/$my_filename"; then
$opt_quiet \
|| func_error "\`$my_destdir/$my_filename' exists: use \`--force' to overwrite"
continue
fi
fi
else
# Not a regular file
continue
fi
$my_copy_cb "$my_srcdir/$my_filename" "$my_destdir/$my_filename"
done
}
# func_grep expression filename
# Check whether EXPRESSION matches any line of FILENAME, without output.
func_grep ()
{
grep "$1" "$2" >/dev/null 2>&1
}
# func_scan_files
# Scan configure.(ac|in) and aclocal.m4 (if present) for use of libltdl
# and libtool. Possibly running some of these tools if necessary.
# Libtoolize affects the contents of aclocal.m4, and should be run before
# aclocal, so we can't use configure --trace which relies on a consistent
# configure.(ac|in) and aclocal.m4.
func_scan_files ()
{
# Prefer configure.ac to configure.in
test -f configure.ac && configure_ac=configure.ac
test -f "$configure_ac" \
|| func_fatal_help "\`$configure_ac' does not exist"
test -n "`cd $pkgdatadir && ls`" \
|| func_fatal_error "can not list files in \`$pkgdatadir'"
# Set local variables to reflect contents of configure.ac
my_uses_autoconf=false
my_sed_scan_configure_ac='s,#.*$,,; s,^dnl .*$,,; s, dnl .*$,,;
/AC_INIT/ { s,^.*$,my_uses_autoconf=:,; p; };
d'
eval `$SED "$my_sed_scan_configure_ac" "$configure_ac"`
$my_uses_autoconf || {
func_verbose "$configure_ac: not using Autoconf"
return
}
# ---------------------------------------------------- #
# Probe macro usage in configure.ac and/or aclocal.m4. #
# ---------------------------------------------------- #
my_sed_traces='s,#.*$,,; s,^dnl .*$,,; s, dnl .*$,,;
/AC_CONFIG_AUX_DIR[^_]/ {
s,^.*AC_CONFIG_AUX_DIR([[ ]*\([^])]*\).*$,auxdir=\1,; p;
};
/AC_CONFIG_MACRO_DIR/ {
s,^.*AC_CONFIG_MACRO_DIR([[ ]*\([^])]*\).*$,m4dir=\1,; p;
};
/A[CM]_PROG_LIBTOOL/ { s,^.*$,seen_libtool=:,; p; };
/LT_INIT/ { s,^.*$,seen_libtool=:,; p; };
/AC_LIB_LTDL/ { s,^.*$,seen_ltdl=:,; p; };
d;'
eval `cat aclocal.m4 "$configure_ac" 2>/dev/null | $SED "$my_sed_traces"`
# ---------------- #
# Validate auxdir. #
# ---------------- #
if test -n "$auxdir"; then
# If $configure_ac contains AC_CONFIG_AUX_DIR, check that it was
# not given in terms of a shell variable!
case "$auxdir" in
*\$*)
func_fatal_error "can not handle variables in AC_CONFIG_AUX_DIR"
;;
*);;
esac
else
# Try to discover auxdir the same way it is discovered by configure.
# Note that we default to the current directory.
for dir in . .. ../..; do
if test -f "$dir/install-sh"; then
auxdir=$dir
break
elif test -f "$dir/install.sh"; then
auxdir="$dir"
break
fi
done
fi
# Just use the current directory if all else fails.
test -n "$auxdir" || auxdir=.
# ------------------------------ #
# Find local m4 macro directory. #
# ------------------------------ #
# If AC_CONFIG_MACRO_DIR turned nothing up, we hunt for ACLOCAL_AMFLAGS
# in `Makefile.am' for a `-I' argument.
my_sed_aclocal_flags='/^[ ]*ACLOCAL_[A-Z_]*FLAGS[ ]*=/ {
s,^[^=]*=[ ]*\(.*\), \1,; q; }; d'
if test ! -n "$m4dir" && test -f Makefile.am; then
my_m4dir_is_next=false
for arg in `$SED "$my_sed_aclocal_flags" Makefile.am`; do
if $my_m4dir_is_next; then
m4dir="$arg"
break
else
if test "X$arg" = "X-I"; then
my_m4dir_is_next=:
else
my_m4dir_is_next=false
fi
fi
done
fi
# Just use the current directory if all else fails.
test -n "$m4dir" || m4dir=.
}
# func_included_files searchfile
# Output INCLUDEFILE if SEARCHFILE m4_includes it, else output SEARCHFILE.
func_included_files ()
{
my_searchfile="$1"
my_include_regex=
my_sed_include='
/^m4_include(\[.*\])$/ { s,^m4_include(\[\(.*\)\])$,\1,; p; };
d'
test -f "$my_searchfile" && echo "$my_searchfile"
# Only recurse when we don't care if all the variables we use get
# trashed, since they are in global scope.
for my_filename in `$SED "$my_sed_include" "$my_searchfile"`; do
func_included_files $my_filename
done
}
# func_serial filename [macro_regex]
# Output the value of the serial number comment in FILENAME, where the
# comment line must also match MACRO_REGEX, if given.
func_serial ()
{
my_filename="$1"
my_macro_regex="$2"
my_sed_serial='/^# serial [1-9][0-9]*[ ]*'"$my_macro_regex"'[ ]*$/ {
s,^# serial \([1-9][0-9]*\).*$,\1,; q;
}; d'
# Search FILENAME and all the files it m4_includes for a serial number
# in the file that AC_DEFUNs MACRO_REGEX.
my_serial=
for my_file in `func_included_files "$my_filename"`; do
if test -z "$my_macro_regex" ||
func_grep '^AC_DEFUN(\['"$my_macro_regex" "$my_file"
then
my_serial=`$SED -e "$my_sed_serial" "$my_file"`
break
fi
done
# If the file has no serial number, we assume it's ancient.
test -n "$my_serial" || my_serial=0
echo $my_serial
}
# func_serial_update srcfile destfile [macro_regex] [old_macro_regex]
# Copy SRCFILE to DESTFILE provided SRCFILE has a newer serial number, or
# DESTFILE does not yet exist, or the user specified `--force'. If given,
# MACRO_REGEX or OLD_MACRO_REGEX must match any text after "# serial N" in
# both files.
func_serial_update ()
{
my_srcfile="$1"
my_destfile="$2"
my_macro_regex="$3"
my_old_macro_regex="$4"
my_return_status=1
my_update_p=:
if test -f "$my_destfile"; then
my_src_serial=`func_serial "$my_srcfile" "$my_macro_regex"`
# Strictly, this libtoolize ought not to have to deal with ancient
# serial formats, but we accept them here to be complete:
test "$my_src_serial" -eq 0 &&
my_src_serial=`func_serial "$my_srcfile" "$my_old_macro_regex"`
my_dest_serial=`func_serial "$my_destfile" "$my_macro_regex"`
test "$my_dest_serial" -eq 0 &&
my_dest_serial=`func_serial "$my_destfile" "$my_old_macro_regex"`
test "$my_src_serial" -eq 0 && {
func_error "warning: no serial number on \`$my_srcfile', not copying."
return
}
# Only perform the file update if the destination has an older serial.
test "$my_src_serial" -gt "$my_dest_serial" || my_update_p=false
test "$my_src_serial" -gt "$my_dest_serial" \
&& func_verbose "\`$my_srcfile' is serial $my_srcserial, greater than $my_destserial in \`$my_destfile'"
if test "$my_src_serial" -lt "$my_dest_serial"; then
func_error "\`$my_srcfile' is serial $my_srcserial, less than $my_destserial in \`$my_destfile'"
$opt_force \
|| func_fatal_error "Use \`--force' to replace newer libtool files with this version."
fi
fi
if $my_update_p || $opt_force; then
func_copy "$my_srcfile" "$my_destfile"
my_return_status=$?
else
$opt_quiet \
|| func_echo "\`$my_destfile' is already up to date."
fi
# Do this after the copy for hand maintained `aclocal.m4', incase
# it has `m4_include([DESTFILE])', so the copy effectively already
# updated `aclocal.m4'.
$use_aclocal || if test -f aclocal.m4; then
test "$my_src_serial" -gt `func_serial aclocal.m4 "$my_macro_regex"` \
&& func_echo "You should add the contents of \'$my_destfile' to \`aclocal.m4'."
fi
return $my_return_status
}
# func_check_macros
# Sanity check macros from aclocal.m4 against installed versions.
func_check_macros ()
{
# Don't trace for this, we're just checking the user didn't invoke it
# directly from configure.ac.
$SED 's,dnl .*$,,; s,# .*$,,' "$configure_ac" | grep AC_PROG_RANLIB \
&& func_echo "\`AC_PROG_RANLIB' is rendered obsolete by \`LT_INIT'"
$seen_libtool \
|| func_echo "Remember to add \`LT_INIT' to \`$configure_ac'."
# FIXME: Ensure ltmain.sh, libtool.m4 and ltdl.m4 are from the same release
}
# func_ltmain_update srcfile destfile
# Copy SRCFILE to DESTFILE provided SRCFILE has a newer VERSION/TIMESTAMP,
# or DESTFILE does not yet exist, or the user specified `--force'.
func_ltmain_update ()
{
my_srcfile="$1"
my_destfile="$2"
my_sed_ltmain='
s,^VERSION=[^0-9]*\(.*\)[ ]*$,\1,; t
s,^TIMESTAMP=[^0-9]*\([.0-9]*\) .*$,\1,; t
d'
if test -f "$my_srcfile"; then :
else
func_error "\`$my_srcfile' does not exist."
return
fi
# FIXME: check versions, and only downgrade with --force
cmp -s "$my_srcfile" "$my_destfile"
if test "$?" -ne 0 || $opt_force; then
func_copy "$my_srcfile" "$my_destfile"
else
$opt_quiet \
|| func_echo "\`$my_destfile' is already up to date."
fi
}
# func_config_update srcfile destfile
# Copy SRCFILE to DESTFILE provided SRCFILE has a newer TIMESTAMP,
# or DESTFILE does not yet exist, or the user specified `--force'.
func_config_update ()
{
my_srcfile="$1"
my_destfile="$2"
my_sed_config='s,^timestamp=[^0-9]*\([.0-9-]*\)[^0-9].*$,\1,; t; d'
if test -f "$my_srcfile"; then :
else
func_error "\`$my_srcfile' does not exist."
return
fi
# FIXME: check versions, and only downgrade with --force
cmp -s "$my_srcfile" "$my_destfile"
if test "$?" -ne 0 || $opt_force; then
func_copy "$my_srcfile" "$my_destfile"
else
$opt_quiet \
|| func_echo "\`$my_destfile' is already up to date."
fi
}
## ----------- ##
## Main. ##
## ----------- ##
{
rerun_aclocal=false
re_pkgaux_files='config\.guess|config\.sub|ltmain\.sh'
re_pkgmacro_files='libtool\.m4|ltdl\.m4'
func_scan_files
$opt_quiet || func_check_macros
# Copy all the files from installed libltdl to this project, if the
# user specified `--with-ltdl'.
$opt_ltdl && eval func_copy_all_files "$pkgdatadir/libltdl" libltdl
# Copy all the installed utility files to the auxiliary directory if
# `--install' was passed, or else copy just ltmain.sh.
$opt_quiet || if test "$auxdir" != .; then
func_echo "putting files in AC_CONFIG_AUX_DIR, \`$auxdir'."
fi
if $opt_install || $opt_force; then
func_copy_all_files "$pkgdatadir" "$auxdir" "$re_pkgaux_files"
func_config_update "$pkgdatadir/config.guess" "$auxdir/config.guess"
test -f "$pkgdatadir/config.sub" \
&& func_config_update "$pkgdatadir/config.sub" "$auxdir/config.sub"
fi
func_ltmain_update "$pkgdatadir/ltmain.sh" "$auxdir/ltmain.sh"
# Copy libtool's m4 macros to the macro directory, if they are newer.
$opt_quiet || if test "$m4dir" != .; then
func_echo "putting macros in AC_CONFIG_MACRO_DIR, \`$m4dir'."
fi
libtool_m4="$pkgmacrodir/libtool.m4"
ltdl_m4="$pkgmacrodir/ltdl.m4"
func_copy_all_files "$pkgmacrodir" "$m4dir" \
"$re_pkgmacro_files" func_serial_update
func_serial_update "$libtool_m4" "$m4dir/libtool.m4" LT_INIT 'A[CM]_PROG_LIBTOOL'
if $seen_ltdl; then
func_serial_update "$ltdl_m4" "$m4dir/ltdl.m4" 'AC_LIB_LTDL'
else
func_verbose "Not copying \`$ltdl_m4', AC_LIB_LTDL not used."
fi
}
exit $exit_status
# Local Variables:
# mode:shell-script
# sh-indentation:2
# End:
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