📄 ltmain.sh
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# ltmain.sh - Provide generalized library-building support services.
# NOTE: Changing this file will not affect anything until you rerun configure.
#
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004
# Free Software Foundation, Inc.
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
#
# 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, write 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.
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="$0"
# RH: define SED for historic ltconfig's generated by Libtool 1.3
[ -z "$SED" ] && SED=sed
# The name of this program:
progname=`echo "$progpath" | $SED $basename`
modename="$progname"
# Global variables:
EXIT_SUCCESS=0
EXIT_FAILURE=1
PROGRAM=ltmain.sh
PACKAGE=libtool
VERSION=1.5.6
TIMESTAMP=" (1.1220.2.95 2004/04/11 05:50:42)"
# Check that we have a working $echo.
if test "X$1" = X--no-reexec; then
# Discard the --no-reexec flag, and continue.
shift
elif test "X$1" = X--fallback-echo; then
# Avoid inline document here, it may be left over
:
elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
# Yippee, $echo works!
:
else
# Restart under the correct shell, and then maybe $echo will work.
exec $SHELL "$progpath" --no-reexec ${1+"$@"}
fi
if test "X$1" = X--fallback-echo; then
# used as fallback echo
shift
cat <<EOF
$*
EOF
exit $EXIT_SUCCESS
fi
default_mode=
help="Try \`$progname --help' for more information."
magic="%%%MAGIC variable%%%"
mkdir="mkdir"
mv="mv -f"
rm="rm -f"
# Sed substitution that helps us do robust quoting. It backslashifies
# metacharacters that are still active within double-quoted strings.
Xsed="${SED}"' -e 1s/^X//'
sed_quote_subst='s/\([\\`\\"$\\\\]\)/\\\1/g'
# test EBCDIC or ASCII
case `echo A|tr A '\301'` in
A) # EBCDIC based system
SP2NL="tr '\100' '\n'"
NL2SP="tr '\r\n' '\100\100'"
;;
*) # Assume ASCII based system
SP2NL="tr '\040' '\012'"
NL2SP="tr '\015\012' '\040\040'"
;;
esac
# NLS nuisances.
# Only set LANG and LC_ALL to C if already set.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
# We save the old values to restore during execute mode.
if test "${LC_ALL+set}" = set; then
save_LC_ALL="$LC_ALL"; LC_ALL=C; export LC_ALL
fi
if test "${LANG+set}" = set; then
save_LANG="$LANG"; LANG=C; export LANG
fi
# Make sure IFS has a sensible default
: ${IFS="
"}
if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
$echo "$modename: not configured to build any kind of library" 1>&2
$echo "Fatal configuration error. See the $PACKAGE docs for more information." 1>&2
exit $EXIT_FAILURE
fi
# Global variables.
mode=$default_mode
nonopt=
prev=
prevopt=
run=
show="$echo"
show_help=
execute_dlfiles=
lo2o="s/\\.lo\$/.${objext}/"
o2lo="s/\\.${objext}\$/.lo/"
#####################################
# Shell function definitions:
# This seems to be the best place for them
# func_win32_libid arg
# return the library type of file 'arg'
#
# Need a lot of goo to handle *both* DLLs and import libs
# Has to be a shell function in order to 'eat' the argument
# that is supplied when $file_magic_command is called.
func_win32_libid () {
win32_libid_type="unknown"
win32_fileres=`file -L $1 2>/dev/null`
case $win32_fileres in
*ar\ archive\ import\ library*) # definitely import
win32_libid_type="x86 archive import"
;;
*ar\ archive*) # could be an import, or static
if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | \
$EGREP -e 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then
win32_nmres=`eval $NM -f posix -A $1 | \
sed -n -e '1,100{/ I /{x;/import/!{s/^/import/;h;p;};x;};}'`
if test "X$win32_nmres" = "Ximport" ; then
win32_libid_type="x86 archive import"
else
win32_libid_type="x86 archive static"
fi
fi
;;
*DLL*)
win32_libid_type="x86 DLL"
;;
*executable*) # but shell scripts are "executable" too...
case $win32_fileres in
*MS\ Windows\ PE\ Intel*)
win32_libid_type="x86 DLL"
;;
esac
;;
esac
$echo $win32_libid_type
}
# func_infer_tag arg
# Infer tagged configuration to use if any are available and
# if one wasn't chosen via the "--tag" command line option.
# Only attempt this if the compiler in the base compile
# command doesn't match the default compiler.
# arg is usually of the form 'gcc ...'
func_infer_tag () {
if test -n "$available_tags" && test -z "$tagname"; then
CC_quoted=
for arg in $CC; do
case $arg in
*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
arg="\"$arg\""
;;
esac
CC_quoted="$CC_quoted $arg"
done
case $@ in
# Blanks in the command may have been stripped by the calling shell,
# but not from the CC environment variable when configure was run.
" $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*) ;;
# Blanks at the start of $base_compile will cause this to fail
# if we don't check for them as well.
*)
for z in $available_tags; do
if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
# Evaluate the configuration.
eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
CC_quoted=
for arg in $CC; do
# Double-quote args containing other shell metacharacters.
case $arg in
*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
arg="\"$arg\""
;;
esac
CC_quoted="$CC_quoted $arg"
done
case "$@ " in
" $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*)
# The compiler in the base compile command matches
# the one in the tagged configuration.
# Assume this is the tagged configuration we want.
tagname=$z
break
;;
esac
fi
done
# If $tagname still isn't set, then no tagged configuration
# was found and let the user know that the "--tag" command
# line option must be used.
if test -z "$tagname"; then
$echo "$modename: unable to infer tagged configuration"
$echo "$modename: specify a tag with \`--tag'" 1>&2
exit $EXIT_FAILURE
# else
# $echo "$modename: using $tagname tagged configuration"
fi
;;
esac
fi
}
# End of Shell function definitions
#####################################
# Darwin sucks
eval std_shrext=\"$shrext_cmds\"
# Parse our command line options once, thoroughly.
while test "$#" -gt 0
do
arg="$1"
shift
case $arg in
-*=*) optarg=`$echo "X$arg" | $Xsed -e 's/[-_a-zA-Z0-9]*=//'` ;;
*) optarg= ;;
esac
# If the previous option needs an argument, assign it.
if test -n "$prev"; then
case $prev in
execute_dlfiles)
execute_dlfiles="$execute_dlfiles $arg"
;;
tag)
tagname="$arg"
preserve_args="${preserve_args}=$arg"
# Check whether tagname contains only valid characters
case $tagname in
*[!-_A-Za-z0-9,/]*)
$echo "$progname: invalid tag name: $tagname" 1>&2
exit $EXIT_FAILURE
;;
esac
case $tagname in
CC)
# Don't test for the "default" C tag, as we know, it's there, but
# not specially marked.
;;
*)
if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "$progpath" > /dev/null; then
taglist="$taglist $tagname"
# Evaluate the configuration.
eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$tagname'$/,/^# ### END LIBTOOL TAG CONFIG: '$tagname'$/p' < $progpath`"
else
$echo "$progname: ignoring unknown tag $tagname" 1>&2
fi
;;
esac
;;
*)
eval "$prev=\$arg"
;;
esac
prev=
prevopt=
continue
fi
# Have we seen a non-optional argument yet?
case $arg in
--help)
show_help=yes
;;
--version)
$echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"
$echo
$echo "Copyright (C) 2003 Free Software Foundation, Inc."
$echo "This is free software; see the source for copying conditions. There is NO"
$echo "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
exit $EXIT_SUCCESS
;;
--config)
${SED} -e '1,/^# ### BEGIN LIBTOOL CONFIG/d' -e '/^# ### END LIBTOOL CONFIG/,$d' $progpath
# Now print the configurations for the tags.
for tagname in $taglist; do
${SED} -n -e "/^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$/,/^# ### END LIBTOOL TAG CONFIG: $tagname$/p" < "$progpath"
done
exit $EXIT_SUCCESS
;;
--debug)
$echo "$progname: enabling shell trace mode"
set -x
preserve_args="$preserve_args $arg"
;;
--dry-run | -n)
run=:
;;
--features)
$echo "host: $host"
if test "$build_libtool_libs" = yes; then
$echo "enable shared libraries"
else
$echo "disable shared libraries"
fi
if test "$build_old_libs" = yes; then
$echo "enable static libraries"
else
$echo "disable static libraries"
fi
exit $EXIT_SUCCESS
;;
--finish) mode="finish" ;;
--mode) prevopt="--mode" prev=mode ;;
--mode=*) mode="$optarg" ;;
--preserve-dup-deps) duplicate_deps="yes" ;;
--quiet | --silent)
show=:
preserve_args="$preserve_args $arg"
;;
--tag) prevopt="--tag" prev=tag ;;
--tag=*)
set tag "$optarg" ${1+"$@"}
shift
prev=tag
preserve_args="$preserve_args --tag"
;;
-dlopen)
prevopt="-dlopen"
prev=execute_dlfiles
;;
-*)
$echo "$modename: unrecognized option \`$arg'" 1>&2
$echo "$help" 1>&2
exit $EXIT_FAILURE
;;
*)
nonopt="$arg"
break
;;
esac
done
if test -n "$prevopt"; then
$echo "$modename: option \`$prevopt' requires an argument" 1>&2
$echo "$help" 1>&2
exit $EXIT_FAILURE
fi
# If this variable is set in any of the actions, the command in it
# will be execed at the end. This prevents here-documents from being
# left over by shells.
exec_cmd=
if test -z "$show_help"; then
# Infer the operation mode.
if test -z "$mode"; then
$echo "*** Warning: inferring the mode of operation is deprecated." 1>&2
$echo "*** Future versions of Libtool will require -mode=MODE be specified." 1>&2
case $nonopt in
*cc | cc* | *++ | gcc* | *-gcc* | g++* | xlc*)
mode=link
for arg
do
case $arg in
-c)
mode=compile
break
;;
esac
done
;;
*db | *dbx | *strace | *truss)
mode=execute
;;
*install*|cp|mv)
mode=install
;;
*rm)
mode=uninstall
;;
*)
# If we have no mode, but dlfiles were specified, then do execute mode.
test -n "$execute_dlfiles" && mode=execute
# Just use the default operation mode.
if test -z "$mode"; then
if test -n "$nonopt"; then
$echo "$modename: warning: cannot infer operation mode from \`$nonopt'" 1>&2
else
$echo "$modename: warning: cannot infer operation mode without MODE-ARGS" 1>&2
fi
fi
;;
esac
fi
# Only execute mode is allowed to have -dlopen flags.
if test -n "$execute_dlfiles" && test "$mode" != execute; then
$echo "$modename: unrecognized option \`-dlopen'" 1>&2
$echo "$help" 1>&2
exit $EXIT_FAILURE
fi
# Change the help message to a mode-specific one.
generic_help="$help"
help="Try \`$modename --help --mode=$mode' for more information."
# These modes are in order of execution frequency so that they run quickly.
case $mode in
# libtool compile mode
compile)
modename="$modename: compile"
# Get the compilation command and the source file.
base_compile=
srcfile="$nonopt" # always keep a non-empty value in "srcfile"
suppress_opt=yes
suppress_output=
arg_mode=normal
libobj=
later=
for arg
do
case "$arg_mode" in
arg )
# do not "continue". Instead, add this to base_compile
lastarg="$arg"
arg_mode=normal
;;
target )
libobj="$arg"
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