2000-04-03 H.J. Lu (hjl@gnu.org)
[binutils.git] / ltconfig
bloba01334f9212c3a8e6a99db2b4d21f3380ccbfe80
1 #! /bin/sh
3 # ltconfig - Create a system-specific libtool.
4 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
5 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
7 # This file is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 # As a special exception to the GNU General Public License, if you
22 # distribute this file as part of a program that contains a
23 # configuration script generated by Autoconf, you may include it under
24 # the same distribution terms that you use for the rest of that program.
26 # A lot of this script is taken from autoconf-2.10.
28 # Check that we are running under the correct shell.
29 SHELL=${CONFIG_SHELL-/bin/sh}
30 echo=echo
31 if test "X$1" = X--no-reexec; then
32 # Discard the --no-reexec flag, and continue.
33 shift
34 elif test "X$1" = X--fallback-echo; then
35 # Avoid inline document here, it may be left over
37 elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
38 # Yippee, $echo works!
40 else
41 # Restart under the correct shell.
42 exec "$SHELL" "$0" --no-reexec ${1+"$@"}
45 if test "X$1" = X--fallback-echo; then
46 # used as fallback echo
47 shift
48 cat <<EOF
50 EOF
51 exit 0
54 # Find the correct PATH separator. Usually this is `:', but
55 # DJGPP uses `;' like DOS.
56 if test "X${PATH_SEPARATOR+set}" != Xset; then
57 UNAME=${UNAME-`uname 2>/dev/null`}
58 case X$UNAME in
59 *-DOS) PATH_SEPARATOR=';' ;;
60 *) PATH_SEPARATOR=':' ;;
61 esac
64 # The HP-UX ksh and POSIX shell print the target directory to stdout
65 # if CDPATH is set.
66 if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
68 if test "X${echo_test_string+set}" != Xset; then
69 # find a string as large as possible, as long as the shell can cope with it
70 for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
71 # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
72 if (echo_test_string="`eval $cmd`") 2>/dev/null &&
73 echo_test_string="`eval $cmd`" &&
74 (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then
75 break
77 done
80 if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
81 test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
82 # The Solaris, AIX, and Digital Unix default echo programs unquote
83 # backslashes. This makes it impossible to quote backslashes using
84 # echo "$something" | sed 's/\\/\\\\/g'
86 # So, first we look for a working echo in the user's PATH.
88 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
89 for dir in $PATH /usr/ucb; do
90 if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
91 test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
92 test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
93 echo="$dir/echo"
94 break
96 done
97 IFS="$save_ifs"
99 if test "X$echo" = Xecho; then
100 # We didn't find a better echo, so look for alternatives.
101 if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
102 test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
103 # This shell has a builtin print -r that does the trick.
104 echo='print -r'
105 elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
106 test "X$CONFIG_SHELL" != X/bin/ksh; then
107 # If we have ksh, try running ltconfig again with it.
108 ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
109 export ORIGINAL_CONFIG_SHELL
110 CONFIG_SHELL=/bin/ksh
111 export CONFIG_SHELL
112 exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
113 else
114 # Try using printf.
115 echo='printf "%s\n"'
116 if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
117 test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
118 # Cool, printf works
120 elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
121 test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
122 CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
123 export CONFIG_SHELL
124 SHELL="$CONFIG_SHELL"
125 export SHELL
126 echo="$CONFIG_SHELL $0 --fallback-echo"
127 elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
128 test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
129 echo="$CONFIG_SHELL $0 --fallback-echo"
130 else
131 # maybe with a smaller string...
132 prev=:
134 for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
135 if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then
136 break
138 prev="$cmd"
139 done
141 if test "$prev" != 'sed 50q "$0"'; then
142 echo_test_string=`eval $prev`
143 export echo_test_string
144 exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"}
145 else
146 # Oops. We lost completely, so just stick with echo.
147 echo=echo
154 # Sed substitution that helps us do robust quoting. It backslashifies
155 # metacharacters that are still active within double-quoted strings.
156 Xsed='sed -e s/^X//'
157 sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
159 # Same as above, but do not quote variable references.
160 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
162 # Sed substitution to delay expansion of an escaped shell variable in a
163 # double_quote_subst'ed string.
164 delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
166 # The name of this program.
167 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
169 # Constants:
170 PROGRAM=ltconfig
171 PACKAGE=libtool
172 VERSION=1.3.4
173 TIMESTAMP=" (1.385.2.196 1999/12/07 21:47:57)"
174 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
175 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
176 rm="rm -f"
178 help="Try \`$progname --help' for more information."
180 # Global variables:
181 default_ofile=libtool
182 can_build_shared=yes
183 enable_shared=yes
184 # All known linkers require a `.a' archive for static linking (except M$VC,
185 # which needs '.lib').
186 enable_static=yes
187 enable_fast_install=yes
188 enable_dlopen=unknown
189 enable_win32_dll=no
190 ltmain=
191 silent=
192 srcdir=
193 ac_config_guess=
194 ac_config_sub=
195 host=
196 nonopt=
197 ofile="$default_ofile"
198 verify_host=yes
199 with_gcc=no
200 with_gnu_ld=no
201 need_locks=yes
202 ac_ext=c
203 objext=o
204 libext=a
205 exeext=
206 cache_file=
208 old_AR="$AR"
209 old_CC="$CC"
210 old_CFLAGS="$CFLAGS"
211 old_CPPFLAGS="$CPPFLAGS"
212 old_LDFLAGS="$LDFLAGS"
213 old_LD="$LD"
214 old_LN_S="$LN_S"
215 old_LIBS="$LIBS"
216 old_NM="$NM"
217 old_RANLIB="$RANLIB"
218 old_DLLTOOL="$DLLTOOL"
219 old_OBJDUMP="$OBJDUMP"
220 old_AS="$AS"
222 # Parse the command line options.
223 args=
224 prev=
225 for option
227 case "$option" in
228 -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
229 *) optarg= ;;
230 esac
232 # If the previous option needs an argument, assign it.
233 if test -n "$prev"; then
234 eval "$prev=\$option"
235 prev=
236 continue
239 case "$option" in
240 --help) cat <<EOM
241 Usage: $progname [OPTION]... [HOST [LTMAIN]]
243 Generate a system-specific libtool script.
245 --debug enable verbose shell tracing
246 --disable-shared do not build shared libraries
247 --disable-static do not build static libraries
248 --disable-fast-install do not optimize for fast installation
249 --enable-dlopen enable dlopen support
250 --enable-win32-dll enable building dlls on win32 hosts
251 --help display this help and exit
252 --no-verify do not verify that HOST is a valid host type
253 -o, --output=FILE specify the output file [default=$default_ofile]
254 --quiet same as \`--silent'
255 --silent do not print informational messages
256 --srcdir=DIR find \`config.guess' in DIR
257 --version output version information and exit
258 --with-gcc assume that the GNU C compiler will be used
259 --with-gnu-ld assume that the C compiler uses the GNU linker
260 --disable-lock disable file locking
261 --cache-file=FILE configure cache file
263 LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
264 that provides basic libtool functionality.
266 HOST is the canonical host system name [default=guessed].
268 exit 0
271 --debug)
272 echo "$progname: enabling shell trace mode"
273 set -x
276 --disable-shared) enable_shared=no ;;
278 --disable-static) enable_static=no ;;
280 --disable-fast-install) enable_fast_install=no ;;
282 --enable-dlopen) enable_dlopen=yes ;;
284 --enable-win32-dll) enable_win32_dll=yes ;;
286 --quiet | --silent) silent=yes ;;
288 --srcdir) prev=srcdir ;;
289 --srcdir=*) srcdir="$optarg" ;;
291 --no-verify) verify_host=no ;;
293 --output | -o) prev=ofile ;;
294 --output=*) ofile="$optarg" ;;
296 --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
298 --with-gcc) with_gcc=yes ;;
299 --with-gnu-ld) with_gnu_ld=yes ;;
301 --disable-lock) need_locks=no ;;
303 --cache-file=*) cache_file="$optarg" ;;
306 echo "$progname: unrecognized option \`$option'" 1>&2
307 echo "$help" 1>&2
308 exit 1
312 if test -z "$ltmain"; then
313 ltmain="$option"
314 elif test -z "$host"; then
315 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
316 # if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
317 # echo "$progname: warning \`$option' is not a valid host type" 1>&2
318 # fi
319 host="$option"
320 else
321 echo "$progname: too many arguments" 1>&2
322 echo "$help" 1>&2
323 exit 1
324 fi ;;
325 esac
326 done
328 if test -z "$ltmain"; then
329 echo "$progname: you must specify a LTMAIN file" 1>&2
330 echo "$help" 1>&2
331 exit 1
334 if test ! -f "$ltmain"; then
335 echo "$progname: \`$ltmain' does not exist" 1>&2
336 echo "$help" 1>&2
337 exit 1
340 # Quote any args containing shell metacharacters.
341 ltconfig_args=
342 for arg
344 case "$arg" in
345 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
346 ltconfig_args="$ltconfig_args '$arg'" ;;
347 *) ltconfig_args="$ltconfig_args $arg" ;;
348 esac
349 done
351 # A relevant subset of AC_INIT.
353 # File descriptor usage:
354 # 0 standard input
355 # 1 file creation
356 # 2 errors and warnings
357 # 3 some systems may open it to /dev/tty
358 # 4 used on the Kubota Titan
359 # 5 compiler messages saved in config.log
360 # 6 checking for... messages and results
361 if test "$silent" = yes; then
362 exec 6>/dev/null
363 else
364 exec 6>&1
366 exec 5>>./config.log
368 # NLS nuisances.
369 # Only set LANG and LC_ALL to C if already set.
370 # These must not be set unconditionally because not all systems understand
371 # e.g. LANG=C (notably SCO).
372 if test "X${LC_ALL+set}" = Xset; then LC_ALL=C; export LC_ALL; fi
373 if test "X${LANG+set}" = Xset; then LANG=C; export LANG; fi
375 if test -n "$cache_file" && test -r "$cache_file"; then
376 echo "loading cache $cache_file within ltconfig"
377 . $cache_file
380 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
381 # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
382 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
383 ac_n= ac_c='
384 ' ac_t=' '
385 else
386 ac_n=-n ac_c= ac_t=
388 else
389 ac_n= ac_c='\c' ac_t=
392 if test -z "$srcdir"; then
393 # Assume the source directory is the same one as the path to LTMAIN.
394 srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
395 test "$srcdir" = "$ltmain" && srcdir=.
398 trap "$rm conftest*; exit 1" 1 2 15
399 if test "$verify_host" = yes; then
400 # Check for config.guess and config.sub.
401 ac_aux_dir=
402 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
403 if test -f $ac_dir/config.guess; then
404 ac_aux_dir=$ac_dir
405 break
407 done
408 if test -z "$ac_aux_dir"; then
409 echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
410 echo "$help" 1>&2
411 exit 1
413 ac_config_guess=$ac_aux_dir/config.guess
414 ac_config_sub=$ac_aux_dir/config.sub
416 # Make sure we can run config.sub.
417 if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
418 else
419 echo "$progname: cannot run $ac_config_sub" 1>&2
420 echo "$help" 1>&2
421 exit 1
424 echo $ac_n "checking host system type""... $ac_c" 1>&6
426 host_alias=$host
427 case "$host_alias" in
429 if host_alias=`$SHELL $ac_config_guess`; then :
430 else
431 echo "$progname: cannot guess host type; you must specify one" 1>&2
432 echo "$help" 1>&2
433 exit 1
434 fi ;;
435 esac
436 host=`$SHELL $ac_config_sub $host_alias`
437 echo "$ac_t$host" 1>&6
439 # Make sure the host verified.
440 test -z "$host" && exit 1
442 elif test -z "$host"; then
443 echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
444 echo "$help" 1>&2
445 exit 1
446 else
447 host_alias=$host
450 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
451 case "$host_os" in
452 linux-gnu*) ;;
453 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
454 esac
456 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
457 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
458 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
460 case "$host_os" in
461 aix3*)
462 # AIX sometimes has problems with the GCC collect2 program. For some
463 # reason, if we set the COLLECT_NAMES environment variable, the problems
464 # vanish in a puff of smoke.
465 if test "X${COLLECT_NAMES+set}" != Xset; then
466 COLLECT_NAMES=
467 export COLLECT_NAMES
470 esac
472 # Determine commands to create old-style static archives.
473 old_archive_cmds='$AR cru $oldlib$oldobjs'
474 old_postinstall_cmds='chmod 644 $oldlib'
475 old_postuninstall_cmds=
477 # Set a sane default for `AR'.
478 test -z "$AR" && AR=ar
480 # Set a sane default for `OBJDUMP'.
481 test -z "$OBJDUMP" && OBJDUMP=objdump
483 # If RANLIB is not set, then run the test.
484 if test "${RANLIB+set}" != "set"; then
485 result=no
487 echo $ac_n "checking for ranlib... $ac_c" 1>&6
488 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
489 for dir in $PATH; do
490 test -z "$dir" && dir=.
491 if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then
492 RANLIB="ranlib"
493 result="ranlib"
494 break
496 done
497 IFS="$save_ifs"
499 echo "$ac_t$result" 1>&6
502 if test -n "$RANLIB"; then
503 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
504 old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
507 # Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin.
508 test -z "$DLLTOOL" && DLLTOOL=dlltool
509 test -z "$OBJDUMP" && OBJDUMP=objdump
510 test -z "$AS" && AS=as
512 # Check to see if we are using GCC.
513 if test "$with_gcc" != yes || test -z "$CC"; then
514 # If CC is not set, then try to find GCC or a usable CC.
515 if test -z "$CC"; then
516 echo $ac_n "checking for gcc... $ac_c" 1>&6
517 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
518 for dir in $PATH; do
519 test -z "$dir" && dir=.
520 if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then
521 CC="gcc"
522 break
524 done
525 IFS="$save_ifs"
527 if test -n "$CC"; then
528 echo "$ac_t$CC" 1>&6
529 else
530 echo "$ac_t"no 1>&6
534 # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
535 if test -z "$CC"; then
536 echo $ac_n "checking for cc... $ac_c" 1>&6
537 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
538 cc_rejected=no
539 for dir in $PATH; do
540 test -z "$dir" && dir=.
541 if test -f $dir/cc || test -f $dir/cc$ac_exeext; then
542 if test "$dir/cc" = "/usr/ucb/cc"; then
543 cc_rejected=yes
544 continue
546 CC="cc"
547 break
549 done
550 IFS="$save_ifs"
551 if test $cc_rejected = yes; then
552 # We found a bogon in the path, so make sure we never use it.
553 set dummy $CC
554 shift
555 if test $# -gt 0; then
556 # We chose a different compiler from the bogus one.
557 # However, it has the same name, so the bogon will be chosen
558 # first if we set CC to just the name; use the full file name.
559 shift
560 set dummy "$dir/cc" "$@"
561 shift
562 CC="$@"
566 if test -n "$CC"; then
567 echo "$ac_t$CC" 1>&6
568 else
569 echo "$ac_t"no 1>&6
572 if test -z "$CC"; then
573 echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
574 exit 1
578 # Now see if the compiler is really GCC.
579 with_gcc=no
580 echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
581 echo "$progname:581: checking whether we are using GNU C" >&5
583 $rm conftest.c
584 cat > conftest.c <<EOF
585 #ifdef __GNUC__
586 yes;
587 #endif
589 if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
590 with_gcc=yes
592 $rm conftest.c
593 echo "$ac_t$with_gcc" 1>&6
596 # Allow CC to be a program name with arguments.
597 set dummy $CC
598 compiler="$2"
600 echo $ac_n "checking for object suffix... $ac_c" 1>&6
601 $rm conftest*
602 echo 'int i = 1;' > conftest.c
603 echo "$progname:603: checking for object suffix" >& 5
604 if { (eval echo $progname:604: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
605 # Append any warnings to the config.log.
606 cat conftest.err 1>&5
608 for ac_file in conftest.*; do
609 case $ac_file in
610 *.c) ;;
611 *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
612 esac
613 done
614 else
615 cat conftest.err 1>&5
616 echo "$progname: failed program was:" >&5
617 cat conftest.c >&5
619 $rm conftest*
620 echo "$ac_t$objext" 1>&6
622 echo $ac_n "checking for executable suffix... $ac_c" 1>&6
623 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
624 echo $ac_n "(cached) $ac_c" 1>&6
625 else
626 ac_cv_exeext="no"
627 $rm conftest*
628 echo 'main () { return 0; }' > conftest.c
629 echo "$progname:629: checking for executable suffix" >& 5
630 if { (eval echo $progname:630: \"$ac_link\") 1>&5; (eval $ac_link) 2>conftest.err; }; then
631 # Append any warnings to the config.log.
632 cat conftest.err 1>&5
634 for ac_file in conftest.*; do
635 case $ac_file in
636 *.c | *.err | *.$objext ) ;;
637 *) ac_cv_exeext=.`echo $ac_file | sed -e s/conftest.//` ;;
638 esac
639 done
640 else
641 cat conftest.err 1>&5
642 echo "$progname: failed program was:" >&5
643 cat conftest.c >&5
645 $rm conftest*
647 if test "X$ac_cv_exeext" = Xno; then
648 exeext=""
649 else
650 exeext="$ac_cv_exeext"
652 echo "$ac_t$ac_cv_exeext" 1>&6
654 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
655 pic_flag=
656 special_shlib_compile_flags=
658 link_static_flag=
659 no_builtin_flag=
661 if test "$with_gcc" = yes; then
662 wl='-Wl,'
663 link_static_flag='-static'
665 case "$host_os" in
666 beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
667 # PIC is the default for these OSes.
669 aix*)
670 # Below there is a dirty hack to force normal static linking with -ldl
671 # The problem is because libdl dynamically linked with both libc and
672 # libC (AIX C++ library), which obviously doesn't included in libraries
673 # list by gcc. This cause undefined symbols with -static flags.
674 # This hack allows C programs to be linked with "-static -ldl", but
675 # we not sure about C++ programs.
676 link_static_flag="$link_static_flag ${wl}-lC"
678 cygwin* | mingw* | os2*)
679 # We can build DLLs from non-PIC.
681 amigaos*)
682 # FIXME: we need at least 68020 code to build shared libraries, but
683 # adding the `-m68020' flag to GCC prevents building anything better,
684 # like `-m68040'.
685 pic_flag='-m68020 -resident32 -malways-restore-a4'
687 sysv4*MP*)
688 if test -d /usr/nec; then
689 pic_flag=-Kconform_pic
693 pic_flag='-fPIC'
695 esac
696 else
697 # PORTME Check for PIC flags for the system compiler.
698 case "$host_os" in
699 aix3* | aix4*)
700 # All AIX code is PIC.
701 link_static_flag='-bnso -bI:/lib/syscalls.exp'
704 hpux9* | hpux10* | hpux11*)
705 # Is there a better link_static_flag that works with the bundled CC?
706 wl='-Wl,'
707 link_static_flag="${wl}-a ${wl}archive"
708 pic_flag='+Z'
711 irix5* | irix6*)
712 wl='-Wl,'
713 link_static_flag='-non_shared'
714 # PIC (with -KPIC) is the default.
717 cygwin* | mingw* | os2*)
718 # We can build DLLs from non-PIC.
721 osf3* | osf4* | osf5*)
722 # All OSF/1 code is PIC.
723 wl='-Wl,'
724 link_static_flag='-non_shared'
727 sco3.2v5*)
728 pic_flag='-Kpic'
729 link_static_flag='-dn'
730 special_shlib_compile_flags='-belf'
733 solaris*)
734 pic_flag='-KPIC'
735 link_static_flag='-Bstatic'
736 wl='-Wl,'
739 sunos4*)
740 pic_flag='-PIC'
741 link_static_flag='-Bstatic'
742 wl='-Qoption ld '
745 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
746 pic_flag='-KPIC'
747 link_static_flag='-Bstatic'
748 wl='-Wl,'
751 uts4*)
752 pic_flag='-pic'
753 link_static_flag='-Bstatic'
755 sysv4*MP*)
756 if test -d /usr/nec ;then
757 pic_flag='-Kconform_pic'
758 link_static_flag='-Bstatic'
762 can_build_shared=no
764 esac
767 if test -n "$pic_flag"; then
768 echo "$ac_t$pic_flag" 1>&6
770 # Check to make sure the pic_flag actually works.
771 echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
772 $rm conftest*
773 echo "int some_variable = 0;" > conftest.c
774 save_CFLAGS="$CFLAGS"
775 CFLAGS="$CFLAGS $pic_flag -DPIC"
776 echo "$progname:776: checking if $compiler PIC flag $pic_flag works" >&5
777 if { (eval echo $progname:777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
778 # Append any warnings to the config.log.
779 cat conftest.err 1>&5
781 case "$host_os" in
782 hpux9* | hpux10* | hpux11*)
783 # On HP-UX, both CC and GCC only warn that PIC is supported... then they
784 # create non-PIC objects. So, if there were any warnings, we assume that
785 # PIC is not supported.
786 if test -s conftest.err; then
787 echo "$ac_t"no 1>&6
788 can_build_shared=no
789 pic_flag=
790 else
791 echo "$ac_t"yes 1>&6
792 pic_flag=" $pic_flag"
796 echo "$ac_t"yes 1>&6
797 pic_flag=" $pic_flag"
799 esac
800 else
801 # Append any errors to the config.log.
802 cat conftest.err 1>&5
803 can_build_shared=no
804 pic_flag=
805 echo "$ac_t"no 1>&6
807 CFLAGS="$save_CFLAGS"
808 $rm conftest*
809 else
810 echo "$ac_t"none 1>&6
813 # Check to see if options -o and -c are simultaneously supported by compiler
814 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
815 $rm -r conftest 2>/dev/null
816 mkdir conftest
817 cd conftest
818 $rm conftest*
819 echo "int some_variable = 0;" > conftest.c
820 mkdir out
821 # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
822 # that will create temporary files in the current directory regardless of
823 # the output directory. Thus, making CWD read-only will cause this test
824 # to fail, enabling locking or at least warning the user not to do parallel
825 # builds.
826 chmod -w .
827 save_CFLAGS="$CFLAGS"
828 CFLAGS="$CFLAGS -o out/conftest2.o"
829 echo "$progname:829: checking if $compiler supports -c -o file.o" >&5
830 if { (eval echo $progname:830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
832 # The compiler can only warn and ignore the option if not recognized
833 # So say no if there are warnings
834 if test -s out/conftest.err; then
835 echo "$ac_t"no 1>&6
836 compiler_c_o=no
837 else
838 echo "$ac_t"yes 1>&6
839 compiler_c_o=yes
841 else
842 # Append any errors to the config.log.
843 cat out/conftest.err 1>&5
844 compiler_c_o=no
845 echo "$ac_t"no 1>&6
847 CFLAGS="$save_CFLAGS"
848 chmod u+w .
849 $rm conftest* out/*
850 rmdir out
851 cd ..
852 rmdir conftest
853 $rm -r conftest 2>/dev/null
855 if test x"$compiler_c_o" = x"yes"; then
856 # Check to see if we can write to a .lo
857 echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
858 $rm conftest*
859 echo "int some_variable = 0;" > conftest.c
860 save_CFLAGS="$CFLAGS"
861 CFLAGS="$CFLAGS -c -o conftest.lo"
862 echo "$progname:862: checking if $compiler supports -c -o file.lo" >&5
863 if { (eval echo $progname:863: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
865 # The compiler can only warn and ignore the option if not recognized
866 # So say no if there are warnings
867 if test -s conftest.err; then
868 echo "$ac_t"no 1>&6
869 compiler_o_lo=no
870 else
871 echo "$ac_t"yes 1>&6
872 compiler_o_lo=yes
874 else
875 # Append any errors to the config.log.
876 cat conftest.err 1>&5
877 compiler_o_lo=no
878 echo "$ac_t"no 1>&6
880 CFLAGS="$save_CFLAGS"
881 $rm conftest*
882 else
883 compiler_o_lo=no
886 # Check to see if we can do hard links to lock some files if needed
887 hard_links="nottested"
888 if test "$compiler_c_o" = no && test "$need_locks" != no; then
889 # do not overwrite the value of need_locks provided by the user
890 echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
891 hard_links=yes
892 $rm conftest*
893 ln conftest.a conftest.b 2>/dev/null && hard_links=no
894 touch conftest.a
895 ln conftest.a conftest.b 2>&5 || hard_links=no
896 ln conftest.a conftest.b 2>/dev/null && hard_links=no
897 echo "$ac_t$hard_links" 1>&6
898 $rm conftest*
899 if test "$hard_links" = no; then
900 echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
901 need_locks=warn
903 else
904 need_locks=no
907 if test "$with_gcc" = yes; then
908 # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
909 echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
910 $rm conftest*
911 echo "int some_variable = 0;" > conftest.c
912 save_CFLAGS="$CFLAGS"
913 CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
914 echo "$progname:914: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
915 if { (eval echo $progname:915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
917 # The compiler can only warn and ignore the option if not recognized
918 # So say no if there are warnings
919 if test -s conftest.err; then
920 echo "$ac_t"no 1>&6
921 compiler_rtti_exceptions=no
922 else
923 echo "$ac_t"yes 1>&6
924 compiler_rtti_exceptions=yes
926 else
927 # Append any errors to the config.log.
928 cat conftest.err 1>&5
929 compiler_rtti_exceptions=no
930 echo "$ac_t"no 1>&6
932 CFLAGS="$save_CFLAGS"
933 $rm conftest*
935 if test "$compiler_rtti_exceptions" = "yes"; then
936 no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
937 else
938 no_builtin_flag=' -fno-builtin'
943 # Check for any special shared library compilation flags.
944 if test -n "$special_shlib_compile_flags"; then
945 echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
946 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then :
947 else
948 echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
949 can_build_shared=no
953 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
954 $rm conftest*
955 echo 'main(){return(0);}' > conftest.c
956 save_LDFLAGS="$LDFLAGS"
957 LDFLAGS="$LDFLAGS $link_static_flag"
958 echo "$progname:958: checking if $compiler static flag $link_static_flag works" >&5
959 if { (eval echo $progname:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
960 echo "$ac_t$link_static_flag" 1>&6
961 else
962 echo "$ac_t"none 1>&6
963 link_static_flag=
965 LDFLAGS="$save_LDFLAGS"
966 $rm conftest*
968 if test -z "$LN_S"; then
969 # Check to see if we can use ln -s, or we need hard links.
970 echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
971 $rm conftest.dat
972 if ln -s X conftest.dat 2>/dev/null; then
973 $rm conftest.dat
974 LN_S="ln -s"
975 else
976 LN_S=ln
978 if test "$LN_S" = "ln -s"; then
979 echo "$ac_t"yes 1>&6
980 else
981 echo "$ac_t"no 1>&6
985 # Make sure LD is an absolute path.
986 if test -z "$LD"; then
987 ac_prog=ld
988 if test "$with_gcc" = yes; then
989 # Check if gcc -print-prog-name=ld gives a path.
990 echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
991 echo "$progname:991: checking for ld used by GCC" >&5
992 ac_prog=`($CC -print-prog-name=ld) 2>&5`
993 case "$ac_prog" in
994 # Accept absolute paths.
995 [\\/]* | [A-Za-z]:[\\/]*)
996 re_direlt='/[^/][^/]*/\.\./'
997 # Canonicalize the path of ld
998 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
999 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
1000 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
1001 done
1002 test -z "$LD" && LD="$ac_prog"
1005 # If it fails, then pretend we are not using GCC.
1006 ac_prog=ld
1009 # If it is relative, then search for the first ld in PATH.
1010 with_gnu_ld=unknown
1012 esac
1013 elif test "$with_gnu_ld" = yes; then
1014 echo $ac_n "checking for GNU ld... $ac_c" 1>&6
1015 echo "$progname:1015: checking for GNU ld" >&5
1016 else
1017 echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
1018 echo "$progname:1018: checking for non-GNU ld" >&5
1021 if test -z "$LD"; then
1022 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1023 for ac_dir in $PATH; do
1024 test -z "$ac_dir" && ac_dir=.
1025 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
1026 LD="$ac_dir/$ac_prog"
1027 # Check to see if the program is GNU ld. I'd rather use --version,
1028 # but apparently some GNU ld's only accept -v.
1029 # Break only if it was the GNU/non-GNU ld that we prefer.
1030 if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
1031 test "$with_gnu_ld" != no && break
1032 else
1033 test "$with_gnu_ld" != yes && break
1036 done
1037 IFS="$ac_save_ifs"
1040 if test -n "$LD"; then
1041 echo "$ac_t$LD" 1>&6
1042 else
1043 echo "$ac_t"no 1>&6
1046 if test -z "$LD"; then
1047 echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
1048 exit 1
1052 # Check to see if it really is or is not GNU ld.
1053 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
1054 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
1055 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
1056 with_gnu_ld=yes
1057 else
1058 with_gnu_ld=no
1060 echo "$ac_t$with_gnu_ld" 1>&6
1062 # See if the linker supports building shared libraries.
1063 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
1065 allow_undefined_flag=
1066 no_undefined_flag=
1067 need_lib_prefix=unknown
1068 need_version=unknown
1069 # when you set need_version to no, make sure it does not cause -set_version
1070 # flags to be left without arguments
1071 archive_cmds=
1072 archive_expsym_cmds=
1073 old_archive_from_new_cmds=
1074 export_dynamic_flag_spec=
1075 whole_archive_flag_spec=
1076 thread_safe_flag_spec=
1077 hardcode_libdir_flag_spec=
1078 hardcode_libdir_separator=
1079 hardcode_direct=no
1080 hardcode_minus_L=no
1081 hardcode_shlibpath_var=unsupported
1082 runpath_var=
1083 always_export_symbols=no
1084 export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1085 # include_expsyms should be a list of space-separated symbols to be *always*
1086 # included in the symbol list
1087 include_expsyms=
1088 # exclude_expsyms can be an egrep regular expression of symbols to exclude
1089 # it will be wrapped by ` (' and `)$', so one must not match beginning or
1090 # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
1091 # as well as any symbol that contains `d'.
1092 exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1093 # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
1094 # platforms (ab)use it in PIC code, but their linkers get confused if
1095 # the symbol is explicitly referenced. Since portable code cannot
1096 # rely on this symbol name, it's probably fine to never include it in
1097 # preloaded symbol tables.
1099 case "$host_os" in
1100 cygwin* | mingw*)
1101 # FIXME: the MSVC++ port hasn't been tested in a loooong time
1102 # When not using gcc, we currently assume that we are using
1103 # Microsoft Visual C++.
1104 if test "$with_gcc" != yes; then
1105 with_gnu_ld=no
1109 esac
1111 ld_shlibs=yes
1112 if test "$with_gnu_ld" = yes; then
1113 # If archive_cmds runs LD, not CC, wlarc should be empty
1114 wlarc='${wl}'
1116 # See if GNU ld supports shared libraries.
1117 case "$host_os" in
1118 aix3* | aix4*)
1119 # On AIX, the GNU linker is very broken
1120 ld_shlibs=no
1121 cat <<EOF 1>&2
1123 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
1124 *** to be unable to reliably create shared libraries on AIX.
1125 *** Therefore, libtool is disabling shared libraries support. If you
1126 *** really care for shared libraries, you may want to modify your PATH
1127 *** so that a non-GNU linker is found, and then restart.
1132 amigaos*)
1133 archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
1134 hardcode_libdir_flag_spec='-L$libdir'
1135 hardcode_minus_L=yes
1137 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
1138 # that the semantics of dynamic libraries on AmigaOS, at least up
1139 # to version 4, is to share data among multiple programs linked
1140 # with the same dynamic library. Since this doesn't match the
1141 # behavior of shared libraries on other platforms, we can use
1142 # them.
1143 ld_shlibs=no
1146 beos*)
1147 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1148 allow_undefined_flag=unsupported
1149 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
1150 # support --undefined. This deserves some investigation. FIXME
1151 archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1152 else
1153 ld_shlibs=no
1157 cygwin* | mingw*)
1158 # hardcode_libdir_flag_spec is actually meaningless, as there is
1159 # no search path for DLLs.
1160 hardcode_libdir_flag_spec='-L$libdir'
1161 allow_undefined_flag=unsupported
1162 always_export_symbols=yes
1164 # Extract the symbol export list from an `--export-all' def file,
1165 # then regenerate the def file from the symbol export list, so that
1166 # the compiled dll only exports the symbol export list.
1167 export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1168 test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
1169 $DLLTOOL --export-all --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def $objdir/$soname-ltdll.$objext $libobjs $convenience~
1170 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]* ; *//" < $objdir/$soname-def > $export_symbols'
1172 archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
1173 _lt_hint=1;
1174 for symbol in `cat $export_symbols`; do
1175 echo " \$symbol @ \$_lt_hint ; " >> $objdir/$soname-def;
1176 _lt_hint=`expr 1 + \$_lt_hint`;
1177 done~
1178 test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1179 test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
1180 $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1181 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
1182 $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1183 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
1184 $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts'
1186 old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
1189 netbsd*)
1190 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1191 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1192 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1193 else
1194 archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib'
1195 # can we support soname and/or expsyms with a.out? -oliva
1199 solaris* | sysv5*)
1200 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
1201 ld_shlibs=no
1202 cat <<EOF 1>&2
1204 *** Warning: The releases 2.8.* of the GNU linker cannot reliably
1205 *** create shared libraries on Solaris systems. Therefore, libtool
1206 *** is disabling shared libraries support. We urge you to upgrade GNU
1207 *** binutils to release 2.9.1 or newer. Another option is to modify
1208 *** your PATH or compiler configuration so that the native linker is
1209 *** used, and then restart.
1212 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1213 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1214 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1215 else
1216 ld_shlibs=no
1220 sunos4*)
1221 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts'
1222 wlarc=
1223 hardcode_direct=yes
1224 hardcode_shlibpath_var=no
1228 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1229 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1230 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1231 else
1232 ld_shlibs=no
1235 esac
1237 if test "$ld_shlibs" = yes; then
1238 runpath_var=LD_RUN_PATH
1239 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1240 export_dynamic_flag_spec='${wl}--export-dynamic'
1241 case $host_os in
1242 cygwin* | mingw*)
1243 # dlltool doesn't understand --whole-archive et. al.
1244 whole_archive_flag_spec=
1247 # ancient GNU ld didn't support --whole-archive et. al.
1248 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
1249 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1250 else
1251 whole_archive_flag_spec=
1254 esac
1256 else
1257 # PORTME fill in a description of your system's linker (not GNU ld)
1258 case "$host_os" in
1259 aix3*)
1260 allow_undefined_flag=unsupported
1261 always_export_symbols=yes
1262 archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1263 # Note: this linker hardcodes the directories in LIBPATH if there
1264 # are no directories specified by -L.
1265 hardcode_minus_L=yes
1266 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1267 # Neither direct hardcoding nor static linking is supported with a
1268 # broken collect2.
1269 hardcode_direct=unsupported
1273 aix4*)
1274 hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
1275 hardcode_libdir_separator=':'
1276 if test "$with_gcc" = yes; then
1277 collect2name=`${CC} -print-prog-name=collect2`
1278 if test -f "$collect2name" && \
1279 strings "$collect2name" | grep resolve_lib_name >/dev/null
1280 then
1281 # We have reworked collect2
1282 hardcode_direct=yes
1283 else
1284 # We have old collect2
1285 hardcode_direct=unsupported
1286 # It fails to find uninstalled libraries when the uninstalled
1287 # path is not listed in the libpath. Setting hardcode_minus_L
1288 # to unsupported forces relinking
1289 hardcode_minus_L=yes
1290 hardcode_libdir_flag_spec='-L$libdir'
1291 hardcode_libdir_separator=
1293 shared_flag='-shared'
1294 else
1295 shared_flag='${wl}-bM:SRE'
1296 hardcode_direct=yes
1298 allow_undefined_flag=' ${wl}-berok'
1299 archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
1300 archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
1301 case "$host_os" in aix4.[01]|aix4.[01].*)
1302 # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
1303 always_export_symbols=yes ;;
1304 esac
1307 amigaos*)
1308 archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
1309 hardcode_libdir_flag_spec='-L$libdir'
1310 hardcode_minus_L=yes
1311 # see comment about different semantics on the GNU ld section
1312 ld_shlibs=no
1315 cygwin* | mingw*)
1316 # When not using gcc, we currently assume that we are using
1317 # Microsoft Visual C++.
1318 # hardcode_libdir_flag_spec is actually meaningless, as there is
1319 # no search path for DLLs.
1320 hardcode_libdir_flag_spec=' '
1321 allow_undefined_flag=unsupported
1322 # Tell ltmain to make .lib files, not .a files.
1323 libext=lib
1324 # FIXME: Setting linknames here is a bad hack.
1325 archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1326 # The linker will automatically build a .lib file if we build a DLL.
1327 old_archive_from_new_cmds='true'
1328 # FIXME: Should let the user specify the lib program.
1329 old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1330 fix_srcfile_path='`cygpath -w $srcfile`'
1333 freebsd1*)
1334 ld_shlibs=no
1337 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1338 # support. Future versions do this automatically, but an explicit c++rt0.o
1339 # does not break anything, and helps significantly (at the cost of a little
1340 # extra space).
1341 freebsd2.2*)
1342 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
1343 hardcode_libdir_flag_spec='-R$libdir'
1344 hardcode_direct=yes
1345 hardcode_shlibpath_var=no
1348 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1349 freebsd2*)
1350 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1351 hardcode_direct=yes
1352 hardcode_minus_L=yes
1353 hardcode_shlibpath_var=no
1356 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1357 freebsd*)
1358 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
1359 hardcode_libdir_flag_spec='-R$libdir'
1360 hardcode_direct=yes
1361 hardcode_shlibpath_var=no
1364 hpux9* | hpux10* | hpux11*)
1365 case "$host_os" in
1366 hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
1367 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;;
1368 esac
1369 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1370 hardcode_libdir_separator=:
1371 hardcode_direct=yes
1372 hardcode_minus_L=yes # Not in the search PATH, but as the default
1373 # location of the library.
1374 export_dynamic_flag_spec='${wl}-E'
1377 irix5* | irix6*)
1378 if test "$with_gcc" = yes; then
1379 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1380 else
1381 archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1383 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1384 hardcode_libdir_separator=:
1387 netbsd*)
1388 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1389 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out
1390 else
1391 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF
1393 hardcode_libdir_flag_spec='${wl}-R$libdir'
1394 hardcode_direct=yes
1395 hardcode_shlibpath_var=no
1398 openbsd*)
1399 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1400 hardcode_libdir_flag_spec='-R$libdir'
1401 hardcode_direct=yes
1402 hardcode_shlibpath_var=no
1405 os2*)
1406 hardcode_libdir_flag_spec='-L$libdir'
1407 hardcode_minus_L=yes
1408 allow_undefined_flag=unsupported
1409 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def'
1410 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1413 osf3*)
1414 if test "$with_gcc" = yes; then
1415 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1416 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1417 else
1418 allow_undefined_flag=' -expect_unresolved \*'
1419 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1421 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1422 hardcode_libdir_separator=:
1425 osf4* | osf5*) # As osf3* with the addition of the -msym flag
1426 if test "$with_gcc" = yes; then
1427 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1428 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1429 else
1430 allow_undefined_flag=' -expect_unresolved \*'
1431 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1433 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1434 hardcode_libdir_separator=:
1437 sco3.2v5*)
1438 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1439 hardcode_shlibpath_var=no
1440 runpath_var=LD_RUN_PATH
1441 hardcode_runpath_var=yes
1444 solaris*)
1445 no_undefined_flag=' -z text'
1446 # $CC -shared without GNU ld will not create a library from C++
1447 # object files and a static libstdc++, better avoid it by now
1448 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
1449 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1450 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1451 hardcode_libdir_flag_spec='-R$libdir'
1452 hardcode_shlibpath_var=no
1453 case "$host_os" in
1454 solaris2.[0-5] | solaris2.[0-5].*) ;;
1455 *) # Supported since Solaris 2.6 (maybe 2.5.1?)
1456 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
1457 esac
1460 sunos4*)
1461 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1462 hardcode_libdir_flag_spec='-L$libdir'
1463 hardcode_direct=yes
1464 hardcode_minus_L=yes
1465 hardcode_shlibpath_var=no
1468 sysv4)
1469 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1470 runpath_var='LD_RUN_PATH'
1471 hardcode_shlibpath_var=no
1472 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1475 sysv4.3*)
1476 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1477 hardcode_shlibpath_var=no
1478 export_dynamic_flag_spec='-Bexport'
1481 sysv5*)
1482 no_undefined_flag=' -z text'
1483 # $CC -shared without GNU ld will not create a library from C++
1484 # object files and a static libstdc++, better avoid it by now
1485 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
1486 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1487 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1488 hardcode_libdir_flag_spec=
1489 hardcode_shlibpath_var=no
1490 runpath_var='LD_RUN_PATH'
1493 uts4*)
1494 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1495 hardcode_libdir_flag_spec='-L$libdir'
1496 hardcode_shlibpath_var=no
1499 dgux*)
1500 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1501 hardcode_libdir_flag_spec='-L$libdir'
1502 hardcode_shlibpath_var=no
1505 sysv4*MP*)
1506 if test -d /usr/nec; then
1507 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1508 hardcode_shlibpath_var=no
1509 runpath_var=LD_RUN_PATH
1510 hardcode_runpath_var=yes
1511 ld_shlibs=yes
1515 sysv4.2uw2*)
1516 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts'
1517 hardcode_direct=yes
1518 hardcode_minus_L=no
1519 hardcode_shlibpath_var=no
1520 hardcode_runpath_var=yes
1521 runpath_var=LD_RUN_PATH
1524 unixware7*)
1525 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1526 runpath_var='LD_RUN_PATH'
1527 hardcode_shlibpath_var=no
1531 ld_shlibs=no
1533 esac
1535 echo "$ac_t$ld_shlibs" 1>&6
1536 test "$ld_shlibs" = no && can_build_shared=no
1538 if test -z "$NM"; then
1539 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1540 case "$NM" in
1541 [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
1543 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1544 for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1545 test -z "$ac_dir" && ac_dir=.
1546 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
1547 # Check to see if the nm accepts a BSD-compat flag.
1548 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1549 # nm: unknown option "B" ignored
1550 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1551 NM="$ac_dir/nm -B"
1552 break
1553 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1554 NM="$ac_dir/nm -p"
1555 break
1556 else
1557 NM=${NM="$ac_dir/nm"} # keep the first match, but
1558 continue # so that we can try to find one that supports BSD flags
1561 done
1562 IFS="$ac_save_ifs"
1563 test -z "$NM" && NM=nm
1565 esac
1566 echo "$ac_t$NM" 1>&6
1569 # Check for command to grab the raw symbol name followed by C symbol from nm.
1570 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1572 # These are sane defaults that work on at least a few old systems.
1573 # [They come from Ultrix. What could be older than Ultrix?!! ;)]
1575 # Character class describing NM global symbol codes.
1576 symcode='[BCDEGRST]'
1578 # Regexp to match symbols that can be accessed directly from C.
1579 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1581 # Transform the above into a raw symbol and a C symbol.
1582 symxfrm='\1 \2\3 \3'
1584 # Transform an extracted symbol line into a proper C declaration
1585 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1587 # Define system-specific variables.
1588 case "$host_os" in
1589 aix*)
1590 symcode='[BCDT]'
1592 cygwin* | mingw*)
1593 symcode='[ABCDGISTW]'
1595 hpux*) # Its linker distinguishes data from code symbols
1596 global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
1598 irix*)
1599 symcode='[BCDEGRST]'
1601 solaris*)
1602 symcode='[BDT]'
1604 sysv4)
1605 symcode='[DFNSTU]'
1607 esac
1609 # If we're using GNU nm, then use its standard symbol codes.
1610 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1611 symcode='[ABCDGISTW]'
1614 # Try without a prefix undercore, then with it.
1615 for ac_symprfx in "" "_"; do
1617 # Write the raw and C identifiers.
1618 global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1620 # Check to see that the pipe works correctly.
1621 pipe_works=no
1622 $rm conftest*
1623 cat > conftest.c <<EOF
1624 #ifdef __cplusplus
1625 extern "C" {
1626 #endif
1627 char nm_test_var;
1628 void nm_test_func(){}
1629 #ifdef __cplusplus
1631 #endif
1632 main(){nm_test_var='a';nm_test_func();return(0);}
1635 echo "$progname:1635: checking if global_symbol_pipe works" >&5
1636 if { (eval echo $progname:1636: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1637 # Now try to grab the symbols.
1638 nlist=conftest.nm
1639 if { echo "$progname:1639: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1641 # Try sorting and uniquifying the output.
1642 if sort "$nlist" | uniq > "$nlist"T; then
1643 mv -f "$nlist"T "$nlist"
1644 else
1645 rm -f "$nlist"T
1648 # Make sure that we snagged all the symbols we need.
1649 if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1650 if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1651 cat <<EOF > conftest.c
1652 #ifdef __cplusplus
1653 extern "C" {
1654 #endif
1657 # Now generate the symbol file.
1658 eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1660 cat <<EOF >> conftest.c
1661 #if defined (__STDC__) && __STDC__
1662 # define lt_ptr_t void *
1663 #else
1664 # define lt_ptr_t char *
1665 # define const
1666 #endif
1668 /* The mapping between symbol names and symbols. */
1669 const struct {
1670 const char *name;
1671 lt_ptr_t address;
1673 lt_preloaded_symbols[] =
1676 sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1677 cat <<\EOF >> conftest.c
1678 {0, (lt_ptr_t) 0}
1681 #ifdef __cplusplus
1683 #endif
1685 # Now try linking the two files.
1686 mv conftest.$objext conftstm.$objext
1687 save_LIBS="$LIBS"
1688 save_CFLAGS="$CFLAGS"
1689 LIBS="conftstm.$objext"
1690 CFLAGS="$CFLAGS$no_builtin_flag"
1691 if { (eval echo $progname:1691: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1692 pipe_works=yes
1693 else
1694 echo "$progname: failed program was:" >&5
1695 cat conftest.c >&5
1697 LIBS="$save_LIBS"
1698 else
1699 echo "cannot find nm_test_func in $nlist" >&5
1701 else
1702 echo "cannot find nm_test_var in $nlist" >&5
1704 else
1705 echo "cannot run $global_symbol_pipe" >&5
1707 else
1708 echo "$progname: failed program was:" >&5
1709 cat conftest.c >&5
1711 $rm conftest* conftst*
1713 # Do not use the global_symbol_pipe unless it works.
1714 if test "$pipe_works" = yes; then
1715 break
1716 else
1717 global_symbol_pipe=
1719 done
1720 if test "$pipe_works" = yes; then
1721 echo "${ac_t}ok" 1>&6
1722 else
1723 echo "${ac_t}failed" 1>&6
1726 if test -z "$global_symbol_pipe"; then
1727 global_symbol_to_cdecl=
1730 # Check hardcoding attributes.
1731 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1732 hardcode_action=
1733 if test -n "$hardcode_libdir_flag_spec" || \
1734 test -n "$runpath_var"; then
1736 # We can hardcode non-existant directories.
1737 if test "$hardcode_direct" != no &&
1738 # If the only mechanism to avoid hardcoding is shlibpath_var, we
1739 # have to relink, otherwise we might link with an installed library
1740 # when we should be linking with a yet-to-be-installed one
1741 ## test "$hardcode_shlibpath_var" != no &&
1742 test "$hardcode_minus_L" != no; then
1743 # Linking always hardcodes the temporary library directory.
1744 hardcode_action=relink
1745 else
1746 # We can link without hardcoding, and we can hardcode nonexisting dirs.
1747 hardcode_action=immediate
1749 else
1750 # We cannot hardcode anything, or else we can only hardcode existing
1751 # directories.
1752 hardcode_action=unsupported
1754 echo "$ac_t$hardcode_action" 1>&6
1757 reload_flag=
1758 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1759 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1760 # PORTME Some linkers may need a different reload flag.
1761 reload_flag='-r'
1762 echo "$ac_t$reload_flag" 1>&6
1763 test -n "$reload_flag" && reload_flag=" $reload_flag"
1765 # PORTME Fill in your ld.so characteristics
1766 library_names_spec=
1767 libname_spec='lib$name'
1768 soname_spec=
1769 postinstall_cmds=
1770 postuninstall_cmds=
1771 finish_cmds=
1772 finish_eval=
1773 shlibpath_var=
1774 shlibpath_overrides_runpath=unknown
1775 version_type=none
1776 dynamic_linker="$host_os ld.so"
1777 sys_lib_dlsearch_path_spec="/lib /usr/lib"
1778 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1779 file_magic_cmd=
1780 file_magic_test_file=
1781 deplibs_check_method='unknown'
1782 # Need to set the preceding variable on all platforms that support
1783 # interlibrary dependencies.
1784 # 'none' -- dependencies not supported.
1785 # `unknown' -- same as none, but documents that we really don't know.
1786 # 'pass_all' -- all dependencies passed with no checks.
1787 # 'test_compile' -- check by making test program.
1788 # 'file_magic [regex]' -- check by looking for files in library path
1789 # which responds to the $file_magic_cmd with a given egrep regex.
1790 # If you have `file' or equivalent on your system and you're not sure
1791 # whether `pass_all' will *always* work, you probably want this one.
1792 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1793 case "$host_os" in
1794 aix3*)
1795 version_type=linux
1796 library_names_spec='${libname}${release}.so$versuffix $libname.a'
1797 shlibpath_var=LIBPATH
1799 # AIX has no versioning support, so we append a major version to the name.
1800 soname_spec='${libname}${release}.so$major'
1803 aix4*)
1804 version_type=linux
1805 # AIX has no versioning support, so currently we can not hardcode correct
1806 # soname into executable. Probably we can add versioning support to
1807 # collect2, so additional links can be useful in future.
1808 # We preserve .a as extension for shared libraries though AIX4.2
1809 # and later linker supports .so
1810 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
1811 shlibpath_var=LIBPATH
1812 deplibs_check_method=pass_all
1815 amigaos*)
1816 library_names_spec='$libname.ixlibrary $libname.a'
1817 # Create ${libname}_ixlibrary.a entries in /sys/libs.
1818 finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done'
1821 beos*)
1822 library_names_spec='${libname}.so'
1823 dynamic_linker="$host_os ld.so"
1824 shlibpath_var=LIBRARY_PATH
1825 deplibs_check_method=pass_all
1826 lt_cv_dlopen="load_add_on"
1827 lt_cv_dlopen_libs=
1828 lt_cv_dlopen_self=yes
1831 bsdi4*)
1832 version_type=linux
1833 need_version=no
1834 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1835 soname_spec='${libname}${release}.so$major'
1836 finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
1837 shlibpath_var=LD_LIBRARY_PATH
1838 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
1839 file_magic_cmd=/usr/bin/file
1840 file_magic_test_file=/shlib/libc.so
1841 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1842 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1843 export_dynamic_flag_spec=-rdynamic
1844 # the default ld.so.conf also contains /usr/contrib/lib and
1845 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1846 # libtool to hard-code these into programs
1849 cygwin* | mingw*)
1850 version_type=windows
1851 need_version=no
1852 need_lib_prefix=no
1853 if test "$with_gcc" = yes; then
1854 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1855 else
1856 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1858 dynamic_linker='Win32 ld.exe'
1859 deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
1860 file_magic_cmd='${OBJDUMP} -f'
1861 # FIXME: first we should search . and the directory the executable is in
1862 shlibpath_var=PATH
1863 lt_cv_dlopen="LoadLibrary"
1864 lt_cv_dlopen_libs=
1867 freebsd1*)
1868 dynamic_linker=no
1871 freebsd*)
1872 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1873 version_type=freebsd-$objformat
1874 case "$version_type" in
1875 freebsd-elf*)
1876 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
1877 file_magic_cmd=/usr/bin/file
1878 file_magic_test_file=`echo /usr/lib/libc.so*`
1879 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1880 need_version=no
1881 need_lib_prefix=no
1883 freebsd-*)
1884 deplibs_check_method=unknown
1885 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1886 need_version=yes
1888 esac
1889 shlibpath_var=LD_LIBRARY_PATH
1890 case "$host_os" in
1891 freebsd2* | freebsd3.[01]* | freebsdelf3.[01]*)
1892 shlibpath_overrides_runpath=yes
1894 *) # from 3.2 on
1895 shlibpath_overrides_runpath=no
1897 esac
1900 gnu*)
1901 version_type=linux
1902 need_lib_prefix=no
1903 need_version=no
1904 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
1905 soname_spec='${libname}${release}.so$major'
1906 shlibpath_var=LD_LIBRARY_PATH
1909 hpux9* | hpux10* | hpux11*)
1910 # Give a soname corresponding to the major version so that dld.sl refuses to
1911 # link against other versions.
1912 dynamic_linker="$host_os dld.sl"
1913 version_type=sunos
1914 need_lib_prefix=no
1915 need_version=no
1916 shlibpath_var=SHLIB_PATH
1917 shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
1918 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1919 soname_spec='${libname}${release}.sl$major'
1920 # HP-UX runs *really* slowly unless shared libraries are mode 555.
1921 postinstall_cmds='chmod 555 $lib'
1924 irix5* | irix6*)
1925 version_type=irix
1926 need_lib_prefix=no
1927 need_version=no
1928 soname_spec='${libname}${release}.so.$major'
1929 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
1930 case "$host_os" in
1931 irix5*)
1932 libsuff= shlibsuff=
1933 # this will be overridden with pass_all, but let us keep it just in case
1934 deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
1937 case "$LD" in # libtool.m4 will add one of these switches to LD
1938 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
1939 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
1940 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
1941 *) libsuff= shlibsuff= libmagic=never-match;;
1942 esac
1944 esac
1945 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
1946 shlibpath_overrides_runpath=no
1947 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
1948 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
1949 file_magic_cmd=/usr/bin/file
1950 file_magic_test_file=`echo /lib${libsuff}/libc.so*`
1951 deplibs_check_method='pass_all'
1954 # No shared lib support for Linux oldld, aout, or coff.
1955 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1956 dynamic_linker=no
1959 # This must be Linux ELF.
1960 linux-gnu*)
1961 version_type=linux
1962 need_lib_prefix=no
1963 need_version=no
1964 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1965 soname_spec='${libname}${release}.so$major'
1966 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1967 shlibpath_var=LD_LIBRARY_PATH
1968 shlibpath_overrides_runpath=no
1969 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
1970 file_magic_cmd=/usr/bin/file
1971 file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
1973 if test -f /lib/ld.so.1; then
1974 dynamic_linker='GNU ld.so'
1975 else
1976 # Only the GNU ld.so supports shared libraries on MkLinux.
1977 case "$host_cpu" in
1978 powerpc*) dynamic_linker=no ;;
1979 *) dynamic_linker='Linux ld.so' ;;
1980 esac
1984 netbsd*)
1985 version_type=sunos
1986 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1987 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1988 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1989 dynamic_linker='NetBSD (a.out) ld.so'
1990 else
1991 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1992 soname_spec='${libname}${release}.so$major'
1993 dynamic_linker='NetBSD ld.elf_so'
1995 shlibpath_var=LD_LIBRARY_PATH
1998 openbsd*)
1999 version_type=sunos
2000 if test "$with_gnu_ld" = yes; then
2001 need_lib_prefix=no
2002 need_version=no
2004 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2005 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2006 shlibpath_var=LD_LIBRARY_PATH
2009 os2*)
2010 libname_spec='$name'
2011 need_lib_prefix=no
2012 library_names_spec='$libname.dll $libname.a'
2013 dynamic_linker='OS/2 ld.exe'
2014 shlibpath_var=LIBPATH
2017 osf3* | osf4* | osf5*)
2018 version_type=osf
2019 need_version=no
2020 soname_spec='${libname}${release}.so'
2021 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
2022 shlibpath_var=LD_LIBRARY_PATH
2023 # this will be overridden with pass_all, but let us keep it just in case
2024 deplibs_check_method='file_magic COFF format alpha shared library'
2025 file_magic_cmd=/usr/bin/file
2026 file_magic_test_file=/shlib/libc.so
2027 deplibs_check_method='pass_all'
2028 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
2029 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
2032 sco3.2v5*)
2033 version_type=osf
2034 soname_spec='${libname}${release}.so$major'
2035 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2036 shlibpath_var=LD_LIBRARY_PATH
2039 solaris*)
2040 version_type=linux
2041 need_lib_prefix=no
2042 need_version=no
2043 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2044 soname_spec='${libname}${release}.so$major'
2045 shlibpath_var=LD_LIBRARY_PATH
2046 shlibpath_overrides_runpath=yes
2047 # ldd complains unless libraries are executable
2048 postinstall_cmds='chmod +x $lib'
2049 deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
2050 file_magic_cmd=/usr/bin/file
2051 file_magic_test_file=/lib/libc.so
2054 sunos4*)
2055 version_type=sunos
2056 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2057 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
2058 shlibpath_var=LD_LIBRARY_PATH
2059 shlibpath_overrides_runpath=yes
2060 if test "$with_gnu_ld" = yes; then
2061 need_lib_prefix=no
2063 need_version=yes
2066 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
2067 version_type=linux
2068 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2069 soname_spec='${libname}${release}.so$major'
2070 shlibpath_var=LD_LIBRARY_PATH
2071 case "$host_vendor" in
2072 ncr)
2073 deplibs_check_method='pass_all'
2075 motorola)
2076 need_lib_prefix=no
2077 need_version=no
2078 shlibpath_overrides_runpath=no
2079 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
2080 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
2081 file_magic_cmd=/usr/bin/file
2082 file_magic_test_file=`echo /usr/lib/libc.so*`
2084 esac
2087 uts4*)
2088 version_type=linux
2089 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2090 soname_spec='${libname}${release}.so$major'
2091 shlibpath_var=LD_LIBRARY_PATH
2094 dgux*)
2095 version_type=linux
2096 need_lib_prefix=no
2097 need_version=no
2098 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2099 soname_spec='${libname}${release}.so$major'
2100 shlibpath_var=LD_LIBRARY_PATH
2103 sysv4*MP*)
2104 if test -d /usr/nec ;then
2105 version_type=linux
2106 library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
2107 soname_spec='$libname.so.$major'
2108 shlibpath_var=LD_LIBRARY_PATH
2113 dynamic_linker=no
2115 esac
2116 echo "$ac_t$dynamic_linker" 1>&6
2117 test "$dynamic_linker" = no && can_build_shared=no
2119 # Report the final consequences.
2120 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
2122 # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
2123 # configure.in, otherwise build static only libraries.
2124 case "$host_os" in
2125 cygwin* | mingw* | os2*)
2126 if test x$can_build_shared = xyes; then
2127 test x$enable_win32_dll = xno && can_build_shared=no
2128 echo "checking if package supports dlls... $can_build_shared" 1>&6
2131 esac
2133 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
2134 case "$deplibs_check_method" in
2135 "file_magic "*)
2136 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
2137 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
2138 egrep "$file_magic_regex" > /dev/null; then
2140 else
2141 cat <<EOF 1>&2
2143 *** Warning: the command libtool uses to detect shared libraries,
2144 *** $file_magic_cmd, produces output that libtool cannot recognize.
2145 *** The result is that libtool may fail to recognize shared libraries
2146 *** as such. This will affect the creation of libtool libraries that
2147 *** depend on shared libraries, but programs linked with such libtool
2148 *** libraries will work regardless of this problem. Nevertheless, you
2149 *** may want to report the problem to your system manager and/or to
2150 *** bug-libtool@gnu.org
2153 fi ;;
2154 esac
2157 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
2158 test "$can_build_shared" = "no" && enable_shared=no
2160 # On AIX, shared libraries and static libraries use the same namespace, and
2161 # are all built from PIC.
2162 case "$host_os" in
2163 aix3*)
2164 test "$enable_shared" = yes && enable_static=no
2165 if test -n "$RANLIB"; then
2166 archive_cmds="$archive_cmds~\$RANLIB \$lib"
2167 postinstall_cmds='$RANLIB $lib'
2171 aix4*)
2172 test "$enable_shared" = yes && enable_static=no
2174 esac
2176 echo "$ac_t$enable_shared" 1>&6
2178 # Make sure either enable_shared or enable_static is yes.
2179 test "$enable_shared" = yes || enable_static=yes
2181 echo "checking whether to build static libraries... $enable_static" 1>&6
2183 if test "$hardcode_action" = relink; then
2184 # Fast installation is not supported
2185 enable_fast_install=no
2186 elif test "$shlibpath_overrides_runpath" = yes ||
2187 test "$enable_shared" = no; then
2188 # Fast installation is not necessary
2189 enable_fast_install=needless
2192 echo $ac_n "checking for objdir... $ac_c" 1>&6
2193 rm -f .libs 2>/dev/null
2194 mkdir .libs 2>/dev/null
2195 if test -d .libs; then
2196 objdir=.libs
2197 else
2198 # MS-DOS does not allow filenames that begin with a dot.
2199 objdir=_libs
2201 rmdir .libs 2>/dev/null
2202 echo "$ac_t$objdir" 1>&6
2204 if test "x$enable_dlopen" != xyes; then
2205 enable_dlopen=unknown
2206 enable_dlopen_self=unknown
2207 enable_dlopen_self_static=unknown
2208 else
2209 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
2210 lt_cv_dlopen=no lt_cv_dlopen_libs=
2211 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
2212 echo "$progname:2212: checking for dlopen in -ldl" >&5
2213 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
2214 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2215 echo $ac_n "(cached) $ac_c" 1>&6
2216 else
2217 ac_save_LIBS="$LIBS"
2218 LIBS="-ldl $LIBS"
2219 cat > conftest.$ac_ext <<EOF
2220 #line 2220 "ltconfig"
2221 /* Override any gcc2 internal prototype to avoid an error. */
2222 /* We use char because int might match the return type of a gcc2
2223 builtin and then its argument prototype would still apply. */
2224 #ifdef __cplusplus
2225 extern "C"
2226 #endif
2227 char dlopen();
2229 int main() {
2230 dlopen()
2231 ; return 0; }
2233 if { (eval echo $progname:2233: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2234 rm -rf conftest*
2235 eval "ac_cv_lib_$ac_lib_var=yes"
2236 else
2237 echo "$progname: failed program was:" >&5
2238 cat conftest.$ac_ext >&5
2239 rm -rf conftest*
2240 eval "ac_cv_lib_$ac_lib_var=no"
2242 rm -f conftest*
2243 LIBS="$ac_save_LIBS"
2246 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2247 echo "$ac_t""yes" 1>&6
2248 lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
2249 else
2250 echo "$ac_t""no" 1>&6
2251 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
2252 echo "$progname:2252: checking for dlopen" >&5
2253 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
2254 echo $ac_n "(cached) $ac_c" 1>&6
2255 else
2256 cat > conftest.$ac_ext <<EOF
2257 #line 2257 "ltconfig"
2258 /* System header to define __stub macros and hopefully few prototypes,
2259 which can conflict with char dlopen(); below. */
2260 #include <assert.h>
2261 /* Override any gcc2 internal prototype to avoid an error. */
2262 /* We use char because int might match the return type of a gcc2
2263 builtin and then its argument prototype would still apply. */
2264 #ifdef __cplusplus
2265 extern "C"
2266 #endif
2267 char dlopen();
2269 int main() {
2271 /* The GNU C library defines this for functions which it implements
2272 to always fail with ENOSYS. Some functions are actually named
2273 something starting with __ and the normal name is an alias. */
2274 #if defined (__stub_dlopen) || defined (__stub___dlopen)
2275 choke me
2276 #else
2277 dlopen();
2278 #endif
2280 ; return 0; }
2282 if { (eval echo $progname:2282: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2283 rm -rf conftest*
2284 eval "ac_cv_func_dlopen=yes"
2285 else
2286 echo "$progname: failed program was:" >&5
2287 cat conftest.$ac_ext >&5
2288 rm -rf conftest*
2289 eval "ac_cv_func_dlopen=no"
2291 rm -f conftest*
2293 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
2294 echo "$ac_t""yes" 1>&6
2295 lt_cv_dlopen="dlopen"
2296 else
2297 echo "$ac_t""no" 1>&6
2298 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
2299 echo "$progname:2299: checking for dld_link in -ldld" >&5
2300 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
2301 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2302 echo $ac_n "(cached) $ac_c" 1>&6
2303 else
2304 ac_save_LIBS="$LIBS"
2305 LIBS="-ldld $LIBS"
2306 cat > conftest.$ac_ext <<EOF
2307 #line 2307 "ltconfig"
2308 /* Override any gcc2 internal prototype to avoid an error. */
2309 /* We use char because int might match the return type of a gcc2
2310 builtin and then its argument prototype would still apply. */
2311 #ifdef __cplusplus
2312 extern "C"
2313 #endif
2314 char dld_link();
2316 int main() {
2317 dld_link()
2318 ; return 0; }
2320 if { (eval echo $progname:2320: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2321 rm -rf conftest*
2322 eval "ac_cv_lib_$ac_lib_var=yes"
2323 else
2324 echo "$progname: failed program was:" >&5
2325 cat conftest.$ac_ext >&5
2326 rm -rf conftest*
2327 eval "ac_cv_lib_$ac_lib_var=no"
2329 rm -f conftest*
2330 LIBS="$ac_save_LIBS"
2333 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2334 echo "$ac_t""yes" 1>&6
2335 lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
2336 else
2337 echo "$ac_t""no" 1>&6
2338 echo $ac_n "checking for shl_load""... $ac_c" 1>&6
2339 echo "$progname:2339: checking for shl_load" >&5
2340 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
2341 echo $ac_n "(cached) $ac_c" 1>&6
2342 else
2343 cat > conftest.$ac_ext <<EOF
2344 #line 2344 "ltconfig"
2345 /* System header to define __stub macros and hopefully few prototypes,
2346 which can conflict with char shl_load(); below. */
2347 #include <assert.h>
2348 /* Override any gcc2 internal prototype to avoid an error. */
2349 /* We use char because int might match the return type of a gcc2
2350 builtin and then its argument prototype would still apply. */
2351 #ifdef __cplusplus
2352 extern "C"
2353 #endif
2354 char shl_load();
2356 int main() {
2358 /* The GNU C library defines this for functions which it implements
2359 to always fail with ENOSYS. Some functions are actually named
2360 something starting with __ and the normal name is an alias. */
2361 #if defined (__stub_shl_load) || defined (__stub___shl_load)
2362 choke me
2363 #else
2364 shl_load();
2365 #endif
2367 ; return 0; }
2369 if { (eval echo $progname:2369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2370 rm -rf conftest*
2371 eval "ac_cv_func_shl_load=yes"
2372 else
2373 echo "$progname: failed program was:" >&5
2374 cat conftest.$ac_ext >&5
2375 rm -rf conftest*
2376 eval "ac_cv_func_shl_load=no"
2378 rm -f conftest*
2381 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
2382 echo "$ac_t""yes" 1>&6
2383 lt_cv_dlopen="shl_load"
2384 else
2385 echo "$ac_t""no" 1>&6
2386 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
2387 echo "$progname:2387: checking for shl_load in -ldld" >&5
2388 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
2389 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2390 echo $ac_n "(cached) $ac_c" 1>&6
2391 else
2392 ac_save_LIBS="$LIBS"
2393 LIBS="-ldld $LIBS"
2394 cat > conftest.$ac_ext <<EOF
2395 #line 2395 "ltconfig"
2396 #include "confdefs.h"
2397 /* Override any gcc2 internal prototype to avoid an error. */
2398 /* We use char because int might match the return type of a gcc2
2399 builtin and then its argument prototype would still apply. */
2400 #ifdef __cplusplus
2401 extern "C"
2402 #endif
2403 char shl_load();
2405 int main() {
2406 shl_load()
2407 ; return 0; }
2409 if { (eval echo $progname:2409: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2410 rm -rf conftest*
2411 eval "ac_cv_lib_$ac_lib_var=yes"
2412 else
2413 echo "$progname: failed program was:" >&5
2414 cat conftest.$ac_ext >&5
2415 rm -rf conftest*
2416 eval "ac_cv_lib_$ac_lib_var=no"
2418 rm -f conftest*
2419 LIBS="$ac_save_LIBS"
2422 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2423 echo "$ac_t""yes" 1>&6
2424 lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
2425 else
2426 echo "$ac_t""no" 1>&6
2443 if test "x$lt_cv_dlopen" != xno; then
2444 enable_dlopen=yes
2447 case "$lt_cv_dlopen" in
2448 dlopen)
2449 for ac_hdr in dlfcn.h; do
2450 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
2451 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
2452 echo "$progname:2452: checking for $ac_hdr" >&5
2453 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
2454 echo $ac_n "(cached) $ac_c" 1>&6
2455 else
2456 cat > conftest.$ac_ext <<EOF
2457 #line 2457 "ltconfig"
2458 #include <$ac_hdr>
2459 int fnord = 0;
2461 ac_try="$ac_compile >/dev/null 2>conftest.out"
2462 { (eval echo $progname:2462: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
2463 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
2464 if test -z "$ac_err"; then
2465 rm -rf conftest*
2466 eval "ac_cv_header_$ac_safe=yes"
2467 else
2468 echo "$ac_err" >&5
2469 echo "$progname: failed program was:" >&5
2470 cat conftest.$ac_ext >&5
2471 rm -rf conftest*
2472 eval "ac_cv_header_$ac_safe=no"
2474 rm -f conftest*
2476 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
2477 echo "$ac_t""yes" 1>&6
2478 else
2479 echo "$ac_t""no" 1>&6
2481 done
2483 if test "x$ac_cv_header_dlfcn_h" = xyes; then
2484 CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2486 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2487 LIBS="$lt_cv_dlopen_libs $LIBS"
2489 echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
2490 echo "$progname:2490: checking whether a program can dlopen itself" >&5
2491 if test "${lt_cv_dlopen_self+set}" = set; then
2492 echo $ac_n "(cached) $ac_c" 1>&6
2493 else
2494 if test "$cross_compiling" = yes; then
2495 lt_cv_dlopen_self=cross
2496 else
2497 cat > conftest.c <<EOF
2498 #line 2498 "ltconfig"
2500 #if HAVE_DLFCN_H
2501 #include <dlfcn.h>
2502 #endif
2504 #include <stdio.h>
2506 #ifdef RTLD_GLOBAL
2507 # define LTDL_GLOBAL RTLD_GLOBAL
2508 #else
2509 # ifdef DL_GLOBAL
2510 # define LTDL_GLOBAL DL_GLOBAL
2511 # else
2512 # define LTDL_GLOBAL 0
2513 # endif
2514 #endif
2516 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2517 find out it does not work in some platform. */
2518 #ifndef LTDL_LAZY_OR_NOW
2519 # ifdef RTLD_LAZY
2520 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2521 # else
2522 # ifdef DL_LAZY
2523 # define LTDL_LAZY_OR_NOW DL_LAZY
2524 # else
2525 # ifdef RTLD_NOW
2526 # define LTDL_LAZY_OR_NOW RTLD_NOW
2527 # else
2528 # ifdef DL_NOW
2529 # define LTDL_LAZY_OR_NOW DL_NOW
2530 # else
2531 # define LTDL_LAZY_OR_NOW 0
2532 # endif
2533 # endif
2534 # endif
2535 # endif
2536 #endif
2538 fnord() { int i=42;}
2539 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2540 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2541 if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); }
2544 if { (eval echo $progname:2544: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2545 then
2546 lt_cv_dlopen_self=yes
2547 else
2548 echo "$progname: failed program was:" >&5
2549 cat conftest.$ac_ext >&5
2550 rm -fr conftest*
2551 lt_cv_dlopen_self=no
2553 rm -fr conftest*
2558 echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2560 if test "$lt_cv_dlopen_self" = yes; then
2561 LDFLAGS="$LDFLAGS $link_static_flag"
2562 echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
2563 echo "$progname:2563: checking whether a statically linked program can dlopen itself" >&5
2564 if test "${lt_cv_dlopen_self_static+set}" = set; then
2565 echo $ac_n "(cached) $ac_c" 1>&6
2566 else
2567 if test "$cross_compiling" = yes; then
2568 lt_cv_dlopen_self_static=cross
2569 else
2570 cat > conftest.c <<EOF
2571 #line 2571 "ltconfig"
2573 #if HAVE_DLFCN_H
2574 #include <dlfcn.h>
2575 #endif
2577 #include <stdio.h>
2579 #ifdef RTLD_GLOBAL
2580 # define LTDL_GLOBAL RTLD_GLOBAL
2581 #else
2582 # ifdef DL_GLOBAL
2583 # define LTDL_GLOBAL DL_GLOBAL
2584 # else
2585 # define LTDL_GLOBAL 0
2586 # endif
2587 #endif
2589 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2590 find out it does not work in some platform. */
2591 #ifndef LTDL_LAZY_OR_NOW
2592 # ifdef RTLD_LAZY
2593 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2594 # else
2595 # ifdef DL_LAZY
2596 # define LTDL_LAZY_OR_NOW DL_LAZY
2597 # else
2598 # ifdef RTLD_NOW
2599 # define LTDL_LAZY_OR_NOW RTLD_NOW
2600 # else
2601 # ifdef DL_NOW
2602 # define LTDL_LAZY_OR_NOW DL_NOW
2603 # else
2604 # define LTDL_LAZY_OR_NOW 0
2605 # endif
2606 # endif
2607 # endif
2608 # endif
2609 #endif
2611 fnord() { int i=42;}
2612 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2613 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2614 if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); }
2617 if { (eval echo $progname:2617: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2618 then
2619 lt_cv_dlopen_self_static=yes
2620 else
2621 echo "$progname: failed program was:" >&5
2622 cat conftest.$ac_ext >&5
2623 rm -fr conftest*
2624 lt_cv_dlopen_self_static=no
2626 rm -fr conftest*
2631 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2634 esac
2636 case "$lt_cv_dlopen_self" in
2637 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2638 *) enable_dlopen_self=unknown ;;
2639 esac
2641 case "$lt_cv_dlopen_self_static" in
2642 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2643 *) enable_dlopen_self_static=unknown ;;
2644 esac
2647 # Copy echo and quote the copy, instead of the original, because it is
2648 # used later.
2649 ltecho="$echo"
2650 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2651 ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2653 LTSHELL="$SHELL"
2655 LTCONFIG_VERSION="$VERSION"
2657 # Only quote variables if we're using ltmain.sh.
2658 case "$ltmain" in
2659 *.sh)
2660 # Now quote all the things that may contain metacharacters.
2661 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
2662 old_LD old_LDFLAGS old_LIBS \
2663 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
2664 AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
2665 reload_flag reload_cmds wl \
2666 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2667 thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2668 library_names_spec soname_spec \
2669 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2670 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
2671 file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2672 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2673 hardcode_libdir_flag_spec hardcode_libdir_separator \
2674 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2675 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2677 case "$var" in
2678 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2679 old_postinstall_cmds | old_postuninstall_cmds | \
2680 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2681 postinstall_cmds | postuninstall_cmds | \
2682 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2683 # Double-quote double-evaled strings.
2684 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2687 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2689 esac
2690 done
2692 case "$ltecho" in
2693 *'\$0 --fallback-echo"')
2694 ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
2696 esac
2698 trap "$rm \"$ofile\"; exit 1" 1 2 15
2699 echo "creating $ofile"
2700 $rm "$ofile"
2701 cat <<EOF > "$ofile"
2702 #! $SHELL
2704 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2705 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2706 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2708 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
2709 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2711 # This program is free software; you can redistribute it and/or modify
2712 # it under the terms of the GNU General Public License as published by
2713 # the Free Software Foundation; either version 2 of the License, or
2714 # (at your option) any later version.
2716 # This program is distributed in the hope that it will be useful, but
2717 # WITHOUT ANY WARRANTY; without even the implied warranty of
2718 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2719 # General Public License for more details.
2721 # You should have received a copy of the GNU General Public License
2722 # along with this program; if not, write to the Free Software
2723 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2725 # As a special exception to the GNU General Public License, if you
2726 # distribute this file as part of a program that contains a
2727 # configuration script generated by Autoconf, you may include it under
2728 # the same distribution terms that you use for the rest of that program.
2730 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
2731 Xsed="sed -e s/^X//"
2733 # The HP-UX ksh and POSIX shell print the target directory to stdout
2734 # if CDPATH is set.
2735 if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
2737 ### BEGIN LIBTOOL CONFIG
2739 cfgfile="$ofile"
2743 # Double-quote the variables that need it (for aesthetics).
2744 for var in old_CC old_CFLAGS old_CPPFLAGS \
2745 old_LD old_LDFLAGS old_LIBS \
2746 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
2747 eval "$var=\\\"\$var\\\""
2748 done
2750 # Just create a config file.
2751 cfgfile="$ofile.cfg"
2752 trap "$rm \"$cfgfile\"; exit 1" 1 2 15
2753 echo "creating $cfgfile"
2754 $rm "$cfgfile"
2755 cat <<EOF > "$cfgfile"
2756 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
2757 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2760 esac
2762 cat <<EOF >> "$cfgfile"
2763 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2765 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2766 # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
2767 # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
2768 # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
2769 # $0$ltconfig_args
2771 # Compiler and other test output produced by $progname, useful for
2772 # debugging $progname, is in ./config.log if it exists.
2774 # The version of $progname that generated this script.
2775 LTCONFIG_VERSION=$LTCONFIG_VERSION
2777 # Shell to use when invoking shell scripts.
2778 SHELL=$LTSHELL
2780 # Whether or not to build shared libraries.
2781 build_libtool_libs=$enable_shared
2783 # Whether or not to build static libraries.
2784 build_old_libs=$enable_static
2786 # Whether or not to optimize for fast installation.
2787 fast_install=$enable_fast_install
2789 # The host system.
2790 host_alias=$host_alias
2791 host=$host
2793 # An echo program that does not interpret backslashes.
2794 echo=$ltecho
2796 # The archiver.
2797 AR=$AR
2799 # The default C compiler.
2800 CC=$CC
2802 # The linker used to build libraries.
2803 LD=$LD
2805 # Whether we need hard or soft links.
2806 LN_S=$LN_S
2808 # A BSD-compatible nm program.
2809 NM=$NM
2811 # Used on cygwin: DLL creation program.
2812 DLLTOOL="$DLLTOOL"
2814 # Used on cygwin: object dumper.
2815 OBJDUMP="$OBJDUMP"
2817 # Used on cygwin: assembler.
2818 AS="$AS"
2820 # The name of the directory that contains temporary libtool files.
2821 objdir=$objdir
2823 # How to create reloadable object files.
2824 reload_flag=$reload_flag
2825 reload_cmds=$reload_cmds
2827 # How to pass a linker flag through the compiler.
2828 wl=$wl
2830 # Object file suffix (normally "o").
2831 objext="$objext"
2833 # Old archive suffix (normally "a").
2834 libext="$libext"
2836 # Executable file suffix (normally "").
2837 exeext="$exeext"
2839 # Additional compiler flags for building library objects.
2840 pic_flag=$pic_flag
2842 # Does compiler simultaneously support -c and -o options?
2843 compiler_c_o=$compiler_c_o
2845 # Can we write directly to a .lo ?
2846 compiler_o_lo=$compiler_o_lo
2848 # Must we lock files when doing compilation ?
2849 need_locks=$need_locks
2851 # Do we need the lib prefix for modules?
2852 need_lib_prefix=$need_lib_prefix
2854 # Do we need a version for libraries?
2855 need_version=$need_version
2857 # Whether dlopen is supported.
2858 dlopen=$enable_dlopen
2860 # Whether dlopen of programs is supported.
2861 dlopen_self=$enable_dlopen_self
2863 # Whether dlopen of statically linked programs is supported.
2864 dlopen_self_static=$enable_dlopen_self_static
2866 # Compiler flag to prevent dynamic linking.
2867 link_static_flag=$link_static_flag
2869 # Compiler flag to turn off builtin functions.
2870 no_builtin_flag=$no_builtin_flag
2872 # Compiler flag to allow reflexive dlopens.
2873 export_dynamic_flag_spec=$export_dynamic_flag_spec
2875 # Compiler flag to generate shared objects directly from archives.
2876 whole_archive_flag_spec=$whole_archive_flag_spec
2878 # Compiler flag to generate thread-safe objects.
2879 thread_safe_flag_spec=$thread_safe_flag_spec
2881 # Library versioning type.
2882 version_type=$version_type
2884 # Format of library name prefix.
2885 libname_spec=$libname_spec
2887 # List of archive names. First name is the real one, the rest are links.
2888 # The last name is the one that the linker finds with -lNAME.
2889 library_names_spec=$library_names_spec
2891 # The coded name of the library, if different from the real name.
2892 soname_spec=$soname_spec
2894 # Commands used to build and install an old-style archive.
2895 RANLIB=$RANLIB
2896 old_archive_cmds=$old_archive_cmds
2897 old_postinstall_cmds=$old_postinstall_cmds
2898 old_postuninstall_cmds=$old_postuninstall_cmds
2900 # Create an old-style archive from a shared archive.
2901 old_archive_from_new_cmds=$old_archive_from_new_cmds
2903 # Commands used to build and install a shared archive.
2904 archive_cmds=$archive_cmds
2905 archive_expsym_cmds=$archive_expsym_cmds
2906 postinstall_cmds=$postinstall_cmds
2907 postuninstall_cmds=$postuninstall_cmds
2909 # Method to check whether dependent libraries are shared objects.
2910 deplibs_check_method=$deplibs_check_method
2912 # Command to use when deplibs_check_method == file_magic.
2913 file_magic_cmd=$file_magic_cmd
2915 # Flag that allows shared libraries with undefined symbols to be built.
2916 allow_undefined_flag=$allow_undefined_flag
2918 # Flag that forces no undefined symbols.
2919 no_undefined_flag=$no_undefined_flag
2921 # Commands used to finish a libtool library installation in a directory.
2922 finish_cmds=$finish_cmds
2924 # Same as above, but a single script fragment to be evaled but not shown.
2925 finish_eval=$finish_eval
2927 # Take the output of nm and produce a listing of raw symbols and C names.
2928 global_symbol_pipe=$global_symbol_pipe
2930 # Transform the output of nm in a proper C declaration
2931 global_symbol_to_cdecl=$global_symbol_to_cdecl
2933 # This is the shared library runtime path variable.
2934 runpath_var=$runpath_var
2936 # This is the shared library path variable.
2937 shlibpath_var=$shlibpath_var
2939 # Is shlibpath searched before the hard-coded library search path?
2940 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2942 # How to hardcode a shared library path into an executable.
2943 hardcode_action=$hardcode_action
2945 # Flag to hardcode \$libdir into a binary during linking.
2946 # This must work even if \$libdir does not exist.
2947 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
2949 # Whether we need a single -rpath flag with a separated argument.
2950 hardcode_libdir_separator=$hardcode_libdir_separator
2952 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2953 # resulting binary.
2954 hardcode_direct=$hardcode_direct
2956 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2957 # resulting binary.
2958 hardcode_minus_L=$hardcode_minus_L
2960 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2961 # the resulting binary.
2962 hardcode_shlibpath_var=$hardcode_shlibpath_var
2964 # Compile-time system search path for libraries
2965 sys_lib_search_path_spec=$sys_lib_search_path_spec
2967 # Run-time system search path for libraries
2968 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
2970 # Fix the shell variable \$srcfile for the compiler.
2971 fix_srcfile_path="$fix_srcfile_path"
2973 # Set to yes if exported symbols are required.
2974 always_export_symbols=$always_export_symbols
2976 # The commands to list exported symbols.
2977 export_symbols_cmds=$export_symbols_cmds
2979 # Symbols that should not be listed in the preloaded symbols.
2980 exclude_expsyms=$exclude_expsyms
2982 # Symbols that must always be exported.
2983 include_expsyms=$include_expsyms
2987 case "$ltmain" in
2988 *.sh)
2989 echo '### END LIBTOOL CONFIG' >> "$ofile"
2990 echo >> "$ofile"
2991 case "$host_os" in
2992 aix3*)
2993 cat <<\EOF >> "$ofile"
2995 # AIX sometimes has problems with the GCC collect2 program. For some
2996 # reason, if we set the COLLECT_NAMES environment variable, the problems
2997 # vanish in a puff of smoke.
2998 if test "X${COLLECT_NAMES+set}" != Xset; then
2999 COLLECT_NAMES=
3000 export COLLECT_NAMES
3004 esac
3006 # Append the ltmain.sh script.
3007 sed '$q' "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
3008 # We use sed instead of cat because bash on DJGPP gets confused if
3009 # if finds mixed CR/LF and LF-only lines. Since sed operates in
3010 # text mode, it properly converts lines to CR/LF. This bash problem
3011 # is reportedly fixed, but why not run on old versions too?
3013 chmod +x "$ofile"
3017 # Compile the libtool program.
3018 echo "FIXME: would compile $ltmain"
3020 esac
3022 test -n "$cache_file" || exit 0
3024 # AC_CACHE_SAVE
3025 trap '' 1 2 15
3026 cat > confcache <<\EOF
3027 # This file is a shell script that caches the results of configure
3028 # tests run on this system so they can be shared between configure
3029 # scripts and configure runs. It is not useful on other systems.
3030 # If it contains results you don't want to keep, you may remove or edit it.
3032 # By default, configure uses ./config.cache as the cache file,
3033 # creating it if it does not exist already. You can give configure
3034 # the --cache-file=FILE option to use a different cache file; that is
3035 # what configure does when it calls configure scripts in
3036 # subdirectories, so they share the cache.
3037 # Giving --cache-file=/dev/null disables caching, for debugging configure.
3038 # config.status only pays attention to the cache file if you give it the
3039 # --recheck option to rerun configure.
3042 # The following way of writing the cache mishandles newlines in values,
3043 # but we know of no workaround that is simple, portable, and efficient.
3044 # So, don't put newlines in cache variables' values.
3045 # Ultrix sh set writes to stderr and can't be redirected directly,
3046 # and sets the high bit in the cache file unless we assign to the vars.
3047 (set) 2>&1 |
3048 case `(ac_space=' '; set | grep ac_space) 2>&1` in
3049 *ac_space=\ *)
3050 # `set' does not quote correctly, so add quotes (double-quote substitution
3051 # turns \\\\ into \\, and sed turns \\ into \).
3052 sed -n \
3053 -e "s/'/'\\\\''/g" \
3054 -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
3057 # `set' quotes correctly as required by POSIX, so do not add quotes.
3058 sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
3060 esac >> confcache
3061 if cmp -s $cache_file confcache; then
3063 else
3064 if test -w $cache_file; then
3065 echo "updating cache $cache_file"
3066 cat confcache > $cache_file
3067 else
3068 echo "not updating unwritable cache $cache_file"
3071 rm -f confcache
3073 exit 0
3075 # Local Variables:
3076 # mode:shell-script
3077 # sh-indentation:2
3078 # End: