reverted to KeepInsideScreen
[wmaker-crm.git] / ltconfig
blob65ec6f65d0f6f19d0654b0caa89169d685aae684
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 "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
68 if test "X${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" | $Xsed -e 's%^.*/%%'`
169 # Constants:
170 PROGRAM=ltconfig
171 PACKAGE=libtool
172 VERSION=1.3.3
173 TIMESTAMP=" (1.385.2.181 1999/07/02 15:49:11)"
174 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
175 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
176 rm="rm -f"
178 help="Try \`$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 "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
373 if test "${LANG+set}" = set; 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 "${COLLECT_NAMES+set}" != set; then
466 COLLECT_NAMES=
467 export COLLECT_NAMES
470 esac
472 # Determine commands to create old-style static archives.
473 old_archive_cmds='$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 "$host_os" in
666 beos* | irix5* | irix6* | osf3* | osf4*)
667 # PIC is the default for these OSes.
669 aix*)
670 # Below there is a dirty hack to force normal static linking with -ldl
671 # The problem is because libdl dynamically linked with both libc and
672 # libC (AIX C++ library), which obviously doesn't included in libraries
673 # list by gcc. This cause undefined symbols with -static flags.
674 # This hack allows C programs to be linked with "-static -ldl", but
675 # we not sure about C++ programs.
676 link_static_flag="$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 ${wl}archive"
708 pic_flag='+Z'
711 irix5* | irix6*)
712 wl='-Wl,'
713 link_static_flag='-non_shared'
714 # PIC (with -KPIC) is the default.
717 cygwin* | mingw* | os2*)
718 # We can build DLLs from non-PIC.
721 osf3* | osf4*)
722 # All OSF/1 code is PIC.
723 wl='-Wl,'
724 link_static_flag='-non_shared'
727 sco3.2v5*)
728 pic_flag='-Kpic'
729 link_static_flag='-dn'
730 special_shlib_compile_flags='-belf'
733 solaris*)
734 pic_flag='-KPIC'
735 link_static_flag='-Bstatic'
736 wl='-Wl,'
739 sunos4*)
740 pic_flag='-PIC'
741 link_static_flag='-Bstatic'
742 wl='-Qoption ld '
745 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
746 pic_flag='-KPIC'
747 link_static_flag='-Bstatic'
748 wl='-Wl,'
751 uts4*)
752 pic_flag='-pic'
753 link_static_flag='-Bstatic'
755 sysv4*MP*)
756 if test -d /usr/nec ;then
757 pic_flag='-Kconform_pic'
758 link_static_flag='-Bstatic'
762 can_build_shared=no
764 esac
767 if test -n "$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 $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1191 archive_cmds='$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*)
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 $host_os in
1242 cygwin* | mingw*)
1243 # dlltool doesn't understand --whole-archive et. al.
1244 whole_archive_flag_spec=
1247 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1249 esac
1251 else
1252 # PORTME fill in a description of your system's linker (not GNU ld)
1253 case "$host_os" in
1254 aix3*)
1255 allow_undefined_flag=unsupported
1256 always_export_symbols=yes
1257 archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1258 # Note: this linker hardcodes the directories in LIBPATH if there
1259 # are no directories specified by -L.
1260 hardcode_minus_L=yes
1261 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1262 # Neither direct hardcoding nor static linking is supported with a
1263 # broken collect2.
1264 hardcode_direct=unsupported
1268 aix4*)
1269 hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
1270 hardcode_libdir_separator=':'
1271 if test "$with_gcc" = yes; then
1272 collect2name=`${CC} -print-prog-name=collect2`
1273 if test -f "$collect2name" && \
1274 strings "$collect2name" | grep resolve_lib_name >/dev/null
1275 then
1276 # We have reworked collect2
1277 hardcode_direct=yes
1278 else
1279 # We have old collect2
1280 hardcode_direct=unsupported
1281 # It fails to find uninstalled libraries when the uninstalled
1282 # path is not listed in the libpath. Setting hardcode_minus_L
1283 # to unsupported forces relinking
1284 hardcode_minus_L=yes
1285 hardcode_libdir_flag_spec='-L$libdir'
1286 hardcode_libdir_separator=
1288 shared_flag='-shared'
1289 else
1290 shared_flag='${wl}-bM:SRE'
1291 hardcode_direct=yes
1293 allow_undefined_flag=' ${wl}-berok'
1294 archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
1295 archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
1296 case "$host_os" in aix4.[01]|aix4.[01].*)
1297 # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
1298 always_export_symbols=yes ;;
1299 esac
1302 amigaos*)
1303 archive_cmds='$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 $objdir && a2ixlibrary -32)'
1304 hardcode_libdir_flag_spec='-L$libdir'
1305 hardcode_minus_L=yes
1306 # see comment about different semantics on the GNU ld section
1307 ld_shlibs=no
1310 cygwin* | mingw*)
1311 # When not using gcc, we currently assume that we are using
1312 # Microsoft Visual C++.
1313 # hardcode_libdir_flag_spec is actually meaningless, as there is
1314 # no search path for DLLs.
1315 hardcode_libdir_flag_spec=' '
1316 allow_undefined_flag=unsupported
1317 # Tell ltmain to make .lib files, not .a files.
1318 libext=lib
1319 # FIXME: Setting linknames here is a bad hack.
1320 archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1321 # The linker will automatically build a .lib file if we build a DLL.
1322 old_archive_from_new_cmds='true'
1323 # FIXME: Should let the user specify the lib program.
1324 old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1325 fix_srcfile_path='`cygpath -w $srcfile`'
1328 freebsd1*)
1329 ld_shlibs=no
1332 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1333 # support. Future versions do this automatically, but an explicit c++rt0.o
1334 # does not break anything, and helps significantly (at the cost of a little
1335 # extra space).
1336 freebsd2.2*)
1337 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
1338 hardcode_libdir_flag_spec='-R$libdir'
1339 hardcode_direct=yes
1340 hardcode_shlibpath_var=no
1343 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1344 freebsd2*)
1345 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1346 hardcode_direct=yes
1347 hardcode_minus_L=yes
1348 hardcode_shlibpath_var=no
1351 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1352 freebsd*)
1353 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
1354 hardcode_libdir_flag_spec='-R$libdir'
1355 hardcode_direct=yes
1356 hardcode_shlibpath_var=no
1359 hpux9* | hpux10* | hpux11*)
1360 case "$host_os" in
1361 hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
1362 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;;
1363 esac
1364 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1365 hardcode_libdir_separator=:
1366 hardcode_direct=yes
1367 hardcode_minus_L=yes # Not in the search PATH, but as the default
1368 # location of the library.
1369 export_dynamic_flag_spec='${wl}-E'
1372 irix5* | irix6*)
1373 if test "$with_gcc" = yes; then
1374 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 $lib'
1375 else
1376 archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1378 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1379 hardcode_libdir_separator=:
1382 netbsd*)
1383 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1384 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out
1385 else
1386 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF
1388 hardcode_libdir_flag_spec='${wl}-R$libdir'
1389 hardcode_direct=yes
1390 hardcode_shlibpath_var=no
1393 openbsd*)
1394 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1395 hardcode_libdir_flag_spec='-R$libdir'
1396 hardcode_direct=yes
1397 hardcode_shlibpath_var=no
1400 os2*)
1401 hardcode_libdir_flag_spec='-L$libdir'
1402 hardcode_minus_L=yes
1403 allow_undefined_flag=unsupported
1404 archive_cmds='$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'
1405 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1408 osf3* | osf4*)
1409 if test "$with_gcc" = yes; then
1410 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1411 archive_cmds='$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 $lib'
1412 else
1413 allow_undefined_flag=' -expect_unresolved \*'
1414 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1416 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1417 hardcode_libdir_separator=:
1420 sco3.2v5*)
1421 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1422 hardcode_shlibpath_var=no
1423 runpath_var=LD_RUN_PATH
1424 hardcode_runpath_var=yes
1427 solaris*)
1428 no_undefined_flag=' -z text'
1429 # $CC -shared without GNU ld will not create a library from C++
1430 # object files and a static libstdc++, better avoid it by now
1431 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
1432 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1433 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1434 hardcode_libdir_flag_spec='-R$libdir'
1435 hardcode_shlibpath_var=no
1436 case "$host_os" in
1437 solaris2.[0-5] | solaris2.[0-5].*) ;;
1438 *) # Supported since Solaris 2.6 (maybe 2.5.1?)
1439 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
1440 esac
1443 sunos4*)
1444 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1445 hardcode_libdir_flag_spec='-L$libdir'
1446 hardcode_direct=yes
1447 hardcode_minus_L=yes
1448 hardcode_shlibpath_var=no
1451 sysv4)
1452 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1453 runpath_var='LD_RUN_PATH'
1454 hardcode_shlibpath_var=no
1455 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1458 sysv4.3*)
1459 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1460 hardcode_shlibpath_var=no
1461 export_dynamic_flag_spec='-Bexport'
1464 uts4*)
1465 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1466 hardcode_libdir_flag_spec='-L$libdir'
1467 hardcode_shlibpath_var=no
1470 dgux*)
1471 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1472 hardcode_libdir_flag_spec='-L$libdir'
1473 hardcode_shlibpath_var=no
1476 sysv4*MP*)
1477 if test -d /usr/nec ;then
1478 # archive_cmds='$LD -G -z text -h $soname -o $lib$libobjs$deplibs'
1479 archive_cmds='$LD -G -h $soname -o $lib$libobjs$deplibs'
1480 hardcode_shlibpath_var=no
1481 runpath_var=LD_RUN_PATH
1482 hardcode_runpath_var=yes
1483 ld_shlibs=yes
1488 ld_shlibs=no
1490 esac
1492 echo "$ac_t$ld_shlibs" 1>&6
1493 test "$ld_shlibs" = no && can_build_shared=no
1495 if test -z "$NM"; then
1496 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1497 case "$NM" in
1498 [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
1500 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1501 for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1502 test -z "$ac_dir" && ac_dir=.
1503 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
1504 # Check to see if the nm accepts a BSD-compat flag.
1505 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1506 # nm: unknown option "B" ignored
1507 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1508 NM="$ac_dir/nm -B"
1509 break
1510 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1511 NM="$ac_dir/nm -p"
1512 break
1513 else
1514 NM=${NM="$ac_dir/nm"} # keep the first match, but
1515 continue # so that we can try to find one that supports BSD flags
1518 done
1519 IFS="$ac_save_ifs"
1520 test -z "$NM" && NM=nm
1522 esac
1523 echo "$ac_t$NM" 1>&6
1526 # Check for command to grab the raw symbol name followed by C symbol from nm.
1527 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1529 # These are sane defaults that work on at least a few old systems.
1530 # [They come from Ultrix. What could be older than Ultrix?!! ;)]
1532 # Character class describing NM global symbol codes.
1533 symcode='[BCDEGRST]'
1535 # Regexp to match symbols that can be accessed directly from C.
1536 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1538 # Transform the above into a raw symbol and a C symbol.
1539 symxfrm='\1 \2\3 \3'
1541 # Transform an extracted symbol line into a proper C declaration
1542 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1544 # Define system-specific variables.
1545 case "$host_os" in
1546 aix*)
1547 symcode='[BCDT]'
1549 cygwin* | mingw*)
1550 symcode='[ABCDGISTW]'
1552 hpux*) # Its linker distinguishes data from code symbols
1553 global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
1555 irix*)
1556 symcode='[BCDEGRST]'
1558 solaris*)
1559 symcode='[BDT]'
1561 sysv4)
1562 symcode='[DFNSTU]'
1564 esac
1566 # If we're using GNU nm, then use its standard symbol codes.
1567 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1568 symcode='[ABCDGISTW]'
1571 # Try without a prefix undercore, then with it.
1572 for ac_symprfx in "" "_"; do
1574 # Write the raw and C identifiers.
1575 global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1577 # Check to see that the pipe works correctly.
1578 pipe_works=no
1579 $rm conftest*
1580 cat > conftest.c <<EOF
1581 #ifdef __cplusplus
1582 extern "C" {
1583 #endif
1584 char nm_test_var;
1585 void nm_test_func(){}
1586 #ifdef __cplusplus
1588 #endif
1589 main(){nm_test_var='a';nm_test_func();return(0);}
1592 echo "$progname:1592: checking if global_symbol_pipe works" >&5
1593 if { (eval echo $progname:1593: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1594 # Now try to grab the symbols.
1595 nlist=conftest.nm
1596 if { echo "$progname:1596: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1598 # Try sorting and uniquifying the output.
1599 if sort "$nlist" | uniq > "$nlist"T; then
1600 mv -f "$nlist"T "$nlist"
1601 else
1602 rm -f "$nlist"T
1605 # Make sure that we snagged all the symbols we need.
1606 if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1607 if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1608 cat <<EOF > conftest.c
1609 #ifdef __cplusplus
1610 extern "C" {
1611 #endif
1614 # Now generate the symbol file.
1615 eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1617 cat <<EOF >> conftest.c
1618 #if defined (__STDC__) && __STDC__
1619 # define lt_ptr_t void *
1620 #else
1621 # define lt_ptr_t char *
1622 # define const
1623 #endif
1625 /* The mapping between symbol names and symbols. */
1626 const struct {
1627 const char *name;
1628 lt_ptr_t address;
1630 lt_preloaded_symbols[] =
1633 sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1634 cat <<\EOF >> conftest.c
1635 {0, (lt_ptr_t) 0}
1638 #ifdef __cplusplus
1640 #endif
1642 # Now try linking the two files.
1643 mv conftest.$objext conftstm.$objext
1644 save_LIBS="$LIBS"
1645 save_CFLAGS="$CFLAGS"
1646 LIBS="conftstm.$objext"
1647 CFLAGS="$CFLAGS$no_builtin_flag"
1648 if { (eval echo $progname:1648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1649 pipe_works=yes
1650 else
1651 echo "$progname: failed program was:" >&5
1652 cat conftest.c >&5
1654 LIBS="$save_LIBS"
1655 else
1656 echo "cannot find nm_test_func in $nlist" >&5
1658 else
1659 echo "cannot find nm_test_var in $nlist" >&5
1661 else
1662 echo "cannot run $global_symbol_pipe" >&5
1664 else
1665 echo "$progname: failed program was:" >&5
1666 cat conftest.c >&5
1668 $rm conftest* conftst*
1670 # Do not use the global_symbol_pipe unless it works.
1671 if test "$pipe_works" = yes; then
1672 break
1673 else
1674 global_symbol_pipe=
1676 done
1677 if test "$pipe_works" = yes; then
1678 echo "${ac_t}ok" 1>&6
1679 else
1680 echo "${ac_t}failed" 1>&6
1683 if test -z "$global_symbol_pipe"; then
1684 global_symbol_to_cdecl=
1687 # Check hardcoding attributes.
1688 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1689 hardcode_action=
1690 if test -n "$hardcode_libdir_flag_spec" || \
1691 test -n "$runpath_var"; then
1693 # We can hardcode non-existant directories.
1694 if test "$hardcode_direct" != no &&
1695 # If the only mechanism to avoid hardcoding is shlibpath_var, we
1696 # have to relink, otherwise we might link with an installed library
1697 # when we should be linking with a yet-to-be-installed one
1698 ## test "$hardcode_shlibpath_var" != no &&
1699 test "$hardcode_minus_L" != no; then
1700 # Linking always hardcodes the temporary library directory.
1701 hardcode_action=relink
1702 else
1703 # We can link without hardcoding, and we can hardcode nonexisting dirs.
1704 hardcode_action=immediate
1706 else
1707 # We cannot hardcode anything, or else we can only hardcode existing
1708 # directories.
1709 hardcode_action=unsupported
1711 echo "$ac_t$hardcode_action" 1>&6
1714 reload_flag=
1715 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1716 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1717 # PORTME Some linkers may need a different reload flag.
1718 reload_flag='-r'
1719 echo "$ac_t$reload_flag" 1>&6
1720 test -n "$reload_flag" && reload_flag=" $reload_flag"
1722 # PORTME Fill in your ld.so characteristics
1723 library_names_spec=
1724 libname_spec='lib$name'
1725 soname_spec=
1726 postinstall_cmds=
1727 postuninstall_cmds=
1728 finish_cmds=
1729 finish_eval=
1730 shlibpath_var=
1731 shlibpath_overrides_runpath=unknown
1732 version_type=none
1733 dynamic_linker="$host_os ld.so"
1734 sys_lib_dlsearch_path_spec="/lib /usr/lib"
1735 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1736 file_magic_cmd=
1737 file_magic_test_file=
1738 deplibs_check_method='unknown'
1739 # Need to set the preceding variable on all platforms that support
1740 # interlibrary dependencies.
1741 # 'none' -- dependencies not supported.
1742 # `unknown' -- same as none, but documents that we really don't know.
1743 # 'pass_all' -- all dependencies passed with no checks.
1744 # 'test_compile' -- check by making test program.
1745 # 'file_magic [regex]' -- check by looking for files in library path
1746 # which responds to the $file_magic_cmd with a given egrep regex.
1747 # If you have `file' or equivalent on your system and you're not sure
1748 # whether `pass_all' will *always* work, you probably want this one.
1749 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1750 case "$host_os" in
1751 aix3*)
1752 version_type=linux
1753 library_names_spec='${libname}${release}.so$versuffix $libname.a'
1754 shlibpath_var=LIBPATH
1756 # AIX has no versioning support, so we append a major version to the name.
1757 soname_spec='${libname}${release}.so$major'
1760 aix4*)
1761 version_type=linux
1762 # AIX has no versioning support, so currently we can not hardcode correct
1763 # soname into executable. Probably we can add versioning support to
1764 # collect2, so additional links can be useful in future.
1765 # We preserve .a as extension for shared libraries though AIX4.2
1766 # and later linker supports .so
1767 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
1768 shlibpath_var=LIBPATH
1769 deplibs_check_method=pass_all
1772 amigaos*)
1773 library_names_spec='$libname.ixlibrary $libname.a'
1774 # Create ${libname}_ixlibrary.a entries in /sys/libs.
1775 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 ${libname}_ixlibrary.a) || exit 1; done'
1778 beos*)
1779 library_names_spec='${libname}.so'
1780 dynamic_linker="$host_os ld.so"
1781 shlibpath_var=LIBRARY_PATH
1782 deplibs_check_method=pass_all
1783 lt_cv_dlopen="load_add_on"
1784 lt_cv_dlopen_libs=
1785 lt_cv_dlopen_self=yes
1788 bsdi4*)
1789 version_type=linux
1790 library_names_spec='${libname}.so$major ${libname}.so'
1791 soname_spec='${libname}.so'
1792 finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
1793 shlibpath_var=LD_LIBRARY_PATH
1794 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
1795 file_magic_cmd=/usr/bin/file
1796 file_magic_test_file=/shlib/libc.so
1797 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1798 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1799 # the default ld.so.conf also contains /usr/contrib/lib and
1800 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1801 # libtool to hard-code these into programs
1804 cygwin* | mingw*)
1805 version_type=windows
1806 need_version=no
1807 need_lib_prefix=no
1808 if test "$with_gcc" = yes; then
1809 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1810 else
1811 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1813 dynamic_linker='Win32 ld.exe'
1814 deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
1815 file_magic_cmd='${OBJDUMP} -f'
1816 # FIXME: first we should search . and the directory the executable is in
1817 shlibpath_var=PATH
1818 lt_cv_dlopen="LoadLibrary"
1819 lt_cv_dlopen_libs=
1822 freebsd1*)
1823 dynamic_linker=no
1826 freebsd*)
1827 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1828 version_type=freebsd-$objformat
1829 case "$version_type" in
1830 freebsd-elf*)
1831 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
1832 file_magic_cmd=/usr/bin/file
1833 file_magic_test_file=`echo /usr/lib/libc.so*`
1834 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1835 need_version=no
1836 need_lib_prefix=no
1838 freebsd-*)
1839 deplibs_check_method=unknown
1840 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1841 need_version=yes
1843 esac
1844 finish_cmds='PATH="\$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir'
1845 shlibpath_var=LD_LIBRARY_PATH
1846 case "$host_os" in
1847 freebsd2* | freebsd3.[01]*)
1848 shlibpath_overrides_runpath=yes
1850 *) # from 3.2 on
1851 shlibpath_overrides_runpath=no
1853 esac
1856 gnu*)
1857 version_type=linux
1858 need_lib_prefix=no
1859 need_version=no
1860 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
1861 soname_spec='${libname}${release}.so$major'
1862 shlibpath_var=LD_LIBRARY_PATH
1865 hpux9* | hpux10* | hpux11*)
1866 # Give a soname corresponding to the major version so that dld.sl refuses to
1867 # link against other versions.
1868 dynamic_linker="$host_os dld.sl"
1869 version_type=sunos
1870 need_lib_prefix=no
1871 need_version=no
1872 shlibpath_var=SHLIB_PATH
1873 shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
1874 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1875 soname_spec='${libname}${release}.sl$major'
1876 # HP-UX runs *really* slowly unless shared libraries are mode 555.
1877 postinstall_cmds='chmod 555 $lib'
1880 irix5* | irix6*)
1881 version_type=irix
1882 need_lib_prefix=no
1883 need_version=no
1884 soname_spec='${libname}${release}.so.$major'
1885 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
1886 case "$host_os" in
1887 irix5*)
1888 libsuff= shlibsuff=
1889 # this will be overridden with pass_all, but let us keep it just in case
1890 deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
1893 case "$LD" in # libtool.m4 will add one of these switches to LD
1894 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
1895 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
1896 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
1897 *) libsuff= shlibsuff= libmagic=never-match;;
1898 esac
1899 # this will be overridden with pass_all, but let us keep it just in case
1900 deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
1902 esac
1903 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
1904 shlibpath_overrides_runpath=no
1905 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
1906 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
1907 file_magic_cmd=/usr/bin/file
1908 file_magic_test_file=`echo /lib${libsuff}/libc.so*`
1909 deplibs_check_method='pass_all'
1912 # No shared lib support for Linux oldld, aout, or coff.
1913 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1914 dynamic_linker=no
1917 # This must be Linux ELF.
1918 linux-gnu*)
1919 version_type=linux
1920 need_lib_prefix=no
1921 need_version=no
1922 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1923 soname_spec='${libname}${release}.so$major'
1924 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1925 shlibpath_var=LD_LIBRARY_PATH
1926 shlibpath_overrides_runpath=no
1927 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
1928 file_magic_cmd=/usr/bin/file
1929 file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
1931 if test -f /lib/ld.so.1; then
1932 dynamic_linker='GNU ld.so'
1933 else
1934 # Only the GNU ld.so supports shared libraries on MkLinux.
1935 case "$host_cpu" in
1936 powerpc*) dynamic_linker=no ;;
1937 *) dynamic_linker='Linux ld.so' ;;
1938 esac
1942 netbsd*)
1943 version_type=sunos
1944 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1945 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1946 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1947 dynamic_linker='NetBSD (a.out) ld.so'
1948 else
1949 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1950 soname_spec='${libname}${release}.so$major'
1951 dynamic_linker='NetBSD ld.elf_so'
1953 shlibpath_var=LD_LIBRARY_PATH
1956 openbsd*)
1957 version_type=sunos
1958 if test "$with_gnu_ld" = yes; then
1959 need_lib_prefix=no
1960 need_version=no
1962 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1963 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1964 shlibpath_var=LD_LIBRARY_PATH
1967 os2*)
1968 libname_spec='$name'
1969 need_lib_prefix=no
1970 library_names_spec='$libname.dll $libname.a'
1971 dynamic_linker='OS/2 ld.exe'
1972 shlibpath_var=LIBPATH
1975 osf3* | osf4*)
1976 version_type=osf
1977 need_version=no
1978 soname_spec='${libname}${release}.so'
1979 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1980 shlibpath_var=LD_LIBRARY_PATH
1981 # this will be overridden with pass_all, but let us keep it just in case
1982 deplibs_check_method='file_magic COFF format alpha shared library'
1983 file_magic_cmd=/usr/bin/file
1984 file_magic_test_file=/shlib/libc.so
1985 deplibs_check_method='pass_all'
1986 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
1987 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
1990 sco3.2v5*)
1991 version_type=osf
1992 soname_spec='${libname}${release}.so$major'
1993 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1994 shlibpath_var=LD_LIBRARY_PATH
1997 solaris*)
1998 version_type=linux
1999 need_lib_prefix=no
2000 need_version=no
2001 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2002 soname_spec='${libname}${release}.so$major'
2003 shlibpath_var=LD_LIBRARY_PATH
2004 shlibpath_overrides_runpath=yes
2005 # ldd complains unless libraries are executable
2006 postinstall_cmds='chmod +x $lib'
2007 deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
2008 file_magic_cmd=/usr/bin/file
2009 file_magic_test_file=/lib/libc.so
2012 sunos4*)
2013 version_type=sunos
2014 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2015 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
2016 shlibpath_var=LD_LIBRARY_PATH
2017 shlibpath_overrides_runpath=yes
2018 if test "$with_gnu_ld" = yes; then
2019 need_lib_prefix=no
2021 need_version=yes
2024 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
2025 version_type=linux
2026 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2027 soname_spec='${libname}${release}.so$major'
2028 shlibpath_var=LD_LIBRARY_PATH
2029 case "$host_vendor" in
2030 ncr)
2031 deplibs_check_method='pass_all'
2033 motorola)
2034 need_lib_prefix=no
2035 need_version=no
2036 shlibpath_overrides_runpath=no
2037 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
2038 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
2039 file_magic_cmd=/usr/bin/file
2040 file_magic_test_file=`echo /usr/lib/libc.so*`
2042 esac
2045 uts4*)
2046 version_type=linux
2047 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2048 soname_spec='${libname}${release}.so$major'
2049 shlibpath_var=LD_LIBRARY_PATH
2052 dgux*)
2053 version_type=linux
2054 need_lib_prefix=no
2055 need_version=no
2056 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2057 soname_spec='${libname}${release}.so$major'
2058 shlibpath_var=LD_LIBRARY_PATH
2061 sysv4*MP*)
2062 if test -d /usr/nec ;then
2063 version_type=linux
2064 library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
2065 soname_spec='$libname.so.$major'
2066 shlibpath_var=LD_LIBRARY_PATH
2071 dynamic_linker=no
2073 esac
2074 echo "$ac_t$dynamic_linker" 1>&6
2075 test "$dynamic_linker" = no && can_build_shared=no
2077 # Report the final consequences.
2078 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
2080 # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
2081 # configure.in, otherwise build static only libraries.
2082 case "$host_os" in
2083 cygwin* | mingw* | os2*)
2084 if test x$can_build_shared = xyes; then
2085 test x$enable_win32_dll = xno && can_build_shared=no
2086 echo "checking if package supports dlls... $can_build_shared" 1>&6
2089 esac
2091 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
2092 case "$deplibs_check_method" in
2093 "file_magic "*)
2094 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
2095 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
2096 egrep "$file_magic_regex" > /dev/null; then
2098 else
2099 cat <<EOF 1>&2
2101 *** Warning: the command libtool uses to detect shared libraries,
2102 *** $file_magic_cmd, produces output that libtool cannot recognize.
2103 *** The result is that libtool may fail to recognize shared libraries
2104 *** as such. This will affect the creation of libtool libraries that
2105 *** depend on shared libraries, but programs linked with such libtool
2106 *** libraries will work regardless of this problem. Nevertheless, you
2107 *** may want to report the problem to your system manager and/or to
2108 *** bug-libtool@gnu.org
2111 fi ;;
2112 esac
2115 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
2116 test "$can_build_shared" = "no" && enable_shared=no
2118 # On AIX, shared libraries and static libraries use the same namespace, and
2119 # are all built from PIC.
2120 case "$host_os" in
2121 aix3*)
2122 test "$enable_shared" = yes && enable_static=no
2123 if test -n "$RANLIB"; then
2124 archive_cmds="$archive_cmds~\$RANLIB \$lib"
2125 postinstall_cmds='$RANLIB $lib'
2129 aix4*)
2130 test "$enable_shared" = yes && enable_static=no
2132 esac
2134 echo "$ac_t$enable_shared" 1>&6
2136 # Make sure either enable_shared or enable_static is yes.
2137 test "$enable_shared" = yes || enable_static=yes
2139 echo "checking whether to build static libraries... $enable_static" 1>&6
2141 if test "$hardcode_action" = relink; then
2142 # Fast installation is not supported
2143 enable_fast_install=no
2144 elif test "$shlibpath_overrides_runpath" = yes ||
2145 test "$enable_shared" = no; then
2146 # Fast installation is not necessary
2147 enable_fast_install=needless
2150 echo $ac_n "checking for objdir... $ac_c" 1>&6
2151 rm -f .libs 2>/dev/null
2152 mkdir .libs 2>/dev/null
2153 if test -d .libs; then
2154 objdir=.libs
2155 else
2156 # MS-DOS does not allow filenames that begin with a dot.
2157 objdir=_libs
2159 rmdir .libs 2>/dev/null
2160 echo "$ac_t$objdir" 1>&6
2162 if test "x$enable_dlopen" != xyes; then
2163 enable_dlopen=unknown
2164 enable_dlopen_self=unknown
2165 enable_dlopen_self_static=unknown
2166 else
2167 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
2168 lt_cv_dlopen=no lt_cv_dlopen_libs=
2169 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
2170 echo "$progname:2170: checking for dlopen in -ldl" >&5
2171 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
2172 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2173 echo $ac_n "(cached) $ac_c" 1>&6
2174 else
2175 ac_save_LIBS="$LIBS"
2176 LIBS="-ldl $LIBS"
2177 cat > conftest.$ac_ext <<EOF
2178 #line 2178 "ltconfig"
2179 /* Override any gcc2 internal prototype to avoid an error. */
2180 /* We use char because int might match the return type of a gcc2
2181 builtin and then its argument prototype would still apply. */
2182 char dlopen();
2184 int main() {
2185 dlopen()
2186 ; return 0; }
2188 if { (eval echo $progname:2188: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2189 rm -rf conftest*
2190 eval "ac_cv_lib_$ac_lib_var=yes"
2191 else
2192 echo "$progname: failed program was:" >&5
2193 cat conftest.$ac_ext >&5
2194 rm -rf conftest*
2195 eval "ac_cv_lib_$ac_lib_var=no"
2197 rm -f conftest*
2198 LIBS="$ac_save_LIBS"
2201 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2202 echo "$ac_t""yes" 1>&6
2203 lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
2204 else
2205 echo "$ac_t""no" 1>&6
2206 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
2207 echo "$progname:2207: checking for dlopen" >&5
2208 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
2209 echo $ac_n "(cached) $ac_c" 1>&6
2210 else
2211 cat > conftest.$ac_ext <<EOF
2212 #line 2212 "ltconfig"
2213 /* System header to define __stub macros and hopefully few prototypes,
2214 which can conflict with char dlopen(); below. */
2215 #include <assert.h>
2216 /* Override any gcc2 internal prototype to avoid an error. */
2217 /* We use char because int might match the return type of a gcc2
2218 builtin and then its argument prototype would still apply. */
2219 char dlopen();
2221 int main() {
2223 /* The GNU C library defines this for functions which it implements
2224 to always fail with ENOSYS. Some functions are actually named
2225 something starting with __ and the normal name is an alias. */
2226 #if defined (__stub_dlopen) || defined (__stub___dlopen)
2227 choke me
2228 #else
2229 dlopen();
2230 #endif
2232 ; return 0; }
2234 if { (eval echo $progname:2234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2235 rm -rf conftest*
2236 eval "ac_cv_func_dlopen=yes"
2237 else
2238 echo "$progname: failed program was:" >&5
2239 cat conftest.$ac_ext >&5
2240 rm -rf conftest*
2241 eval "ac_cv_func_dlopen=no"
2243 rm -f conftest*
2245 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
2246 echo "$ac_t""yes" 1>&6
2247 lt_cv_dlopen="dlopen"
2248 else
2249 echo "$ac_t""no" 1>&6
2250 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
2251 echo "$progname:2251: checking for dld_link in -ldld" >&5
2252 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
2253 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2254 echo $ac_n "(cached) $ac_c" 1>&6
2255 else
2256 ac_save_LIBS="$LIBS"
2257 LIBS="-ldld $LIBS"
2258 cat > conftest.$ac_ext <<EOF
2259 #line 2259 "ltconfig"
2260 /* Override any gcc2 internal prototype to avoid an error. */
2261 /* We use char because int might match the return type of a gcc2
2262 builtin and then its argument prototype would still apply. */
2263 char dld_link();
2265 int main() {
2266 dld_link()
2267 ; return 0; }
2269 if { (eval echo $progname:2269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2270 rm -rf conftest*
2271 eval "ac_cv_lib_$ac_lib_var=yes"
2272 else
2273 echo "$progname: failed program was:" >&5
2274 cat conftest.$ac_ext >&5
2275 rm -rf conftest*
2276 eval "ac_cv_lib_$ac_lib_var=no"
2278 rm -f conftest*
2279 LIBS="$ac_save_LIBS"
2282 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2283 echo "$ac_t""yes" 1>&6
2284 lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
2285 else
2286 echo "$ac_t""no" 1>&6
2287 echo $ac_n "checking for shl_load""... $ac_c" 1>&6
2288 echo "$progname:2288: checking for shl_load" >&5
2289 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
2290 echo $ac_n "(cached) $ac_c" 1>&6
2291 else
2292 cat > conftest.$ac_ext <<EOF
2293 #line 2293 "ltconfig"
2294 /* System header to define __stub macros and hopefully few prototypes,
2295 which can conflict with char shl_load(); below. */
2296 #include <assert.h>
2297 /* Override any gcc2 internal prototype to avoid an error. */
2298 /* We use char because int might match the return type of a gcc2
2299 builtin and then its argument prototype would still apply. */
2300 char shl_load();
2302 int main() {
2304 /* The GNU C library defines this for functions which it implements
2305 to always fail with ENOSYS. Some functions are actually named
2306 something starting with __ and the normal name is an alias. */
2307 #if defined (__stub_shl_load) || defined (__stub___shl_load)
2308 choke me
2309 #else
2310 shl_load();
2311 #endif
2313 ; return 0; }
2315 if { (eval echo $progname:2315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2316 rm -rf conftest*
2317 eval "ac_cv_func_shl_load=yes"
2318 else
2319 echo "$progname: failed program was:" >&5
2320 cat conftest.$ac_ext >&5
2321 rm -rf conftest*
2322 eval "ac_cv_func_shl_load=no"
2324 rm -f conftest*
2327 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
2328 echo "$ac_t""yes" 1>&6
2329 lt_cv_dlopen="shl_load"
2330 else
2331 echo "$ac_t""no" 1>&6
2332 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
2333 echo "$progname:2333: checking for shl_load in -ldld" >&5
2334 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
2335 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2336 echo $ac_n "(cached) $ac_c" 1>&6
2337 else
2338 ac_save_LIBS="$LIBS"
2339 LIBS="-ldld $LIBS"
2340 cat > conftest.$ac_ext <<EOF
2341 #line 2341 "ltconfig"
2342 #include "confdefs.h"
2343 /* Override any gcc2 internal prototype to avoid an error. */
2344 /* We use char because int might match the return type of a gcc2
2345 builtin and then its argument prototype would still apply. */
2346 char shl_load();
2348 int main() {
2349 shl_load()
2350 ; return 0; }
2352 if { (eval echo $progname:2352: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2353 rm -rf conftest*
2354 eval "ac_cv_lib_$ac_lib_var=yes"
2355 else
2356 echo "$progname: failed program was:" >&5
2357 cat conftest.$ac_ext >&5
2358 rm -rf conftest*
2359 eval "ac_cv_lib_$ac_lib_var=no"
2361 rm -f conftest*
2362 LIBS="$ac_save_LIBS"
2365 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2366 echo "$ac_t""yes" 1>&6
2367 lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
2368 else
2369 echo "$ac_t""no" 1>&6
2386 if test "x$lt_cv_dlopen" != xno; then
2387 enable_dlopen=yes
2390 case "$lt_cv_dlopen" in
2391 dlopen)
2392 for ac_hdr in dlfcn.h; do
2393 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
2394 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
2395 echo "$progname:2395: checking for $ac_hdr" >&5
2396 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
2397 echo $ac_n "(cached) $ac_c" 1>&6
2398 else
2399 cat > conftest.$ac_ext <<EOF
2400 #line 2400 "ltconfig"
2401 #include <$ac_hdr>
2402 int fnord = 0;
2404 ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out"
2405 { (eval echo $progname:2405: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
2406 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
2407 if test -z "$ac_err"; then
2408 rm -rf conftest*
2409 eval "ac_cv_header_$ac_safe=yes"
2410 else
2411 echo "$ac_err" >&5
2412 echo "$progname: failed program was:" >&5
2413 cat conftest.$ac_ext >&5
2414 rm -rf conftest*
2415 eval "ac_cv_header_$ac_safe=no"
2417 rm -f conftest*
2419 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
2420 echo "$ac_t""yes" 1>&6
2421 else
2422 echo "$ac_t""no" 1>&6
2424 done
2426 if test "x$ac_cv_header_dlfcn_h" = xyes; then
2427 CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2429 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2430 LIBS="$lt_cv_dlopen_libs $LIBS"
2432 echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
2433 echo "$progname:2433: checking whether a program can dlopen itself" >&5
2434 if test "${lt_cv_dlopen_self+set}" = set; then
2435 echo $ac_n "(cached) $ac_c" 1>&6
2436 else
2437 if test "$cross_compiling" = yes; then
2438 lt_cv_dlopen_self=cross
2439 else
2440 cat > conftest.c <<EOF
2441 #line 2441 "ltconfig"
2443 #if HAVE_DLFCN_H
2444 #include <dlfcn.h>
2445 #endif
2447 #include <stdio.h>
2449 #ifdef RTLD_GLOBAL
2450 # define LTDL_GLOBAL RTLD_GLOBAL
2451 #else
2452 # ifdef DL_GLOBAL
2453 # define LTDL_GLOBAL DL_GLOBAL
2454 # else
2455 # define LTDL_GLOBAL 0
2456 # endif
2457 #endif
2459 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2460 find out it does not work in some platform. */
2461 #ifndef LTDL_LAZY_OR_NOW
2462 # ifdef RTLD_LAZY
2463 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2464 # else
2465 # ifdef DL_LAZY
2466 # define LTDL_LAZY_OR_NOW DL_LAZY
2467 # else
2468 # ifdef RTLD_NOW
2469 # define LTDL_LAZY_OR_NOW RTLD_NOW
2470 # else
2471 # ifdef DL_NOW
2472 # define LTDL_LAZY_OR_NOW DL_NOW
2473 # else
2474 # define LTDL_LAZY_OR_NOW 0
2475 # endif
2476 # endif
2477 # endif
2478 # endif
2479 #endif
2481 fnord() { int i=42;}
2482 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2483 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2484 if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); }
2487 if { (eval echo $progname:2487: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2488 then
2489 lt_cv_dlopen_self=yes
2490 else
2491 echo "$progname: failed program was:" >&5
2492 cat conftest.$ac_ext >&5
2493 rm -fr conftest*
2494 lt_cv_dlopen_self=no
2496 rm -fr conftest*
2501 echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2503 if test "$lt_cv_dlopen_self" = yes; then
2504 LDFLAGS="$LDFLAGS $link_static_flag"
2505 echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
2506 echo "$progname:2506: checking whether a statically linked program can dlopen itself" >&5
2507 if test "${lt_cv_dlopen_self_static+set}" = set; then
2508 echo $ac_n "(cached) $ac_c" 1>&6
2509 else
2510 if test "$cross_compiling" = yes; then
2511 lt_cv_dlopen_self_static=cross
2512 else
2513 cat > conftest.c <<EOF
2514 #line 2514 "ltconfig"
2516 #if HAVE_DLFCN_H
2517 #include <dlfcn.h>
2518 #endif
2520 #include <stdio.h>
2522 #ifdef RTLD_GLOBAL
2523 # define LTDL_GLOBAL RTLD_GLOBAL
2524 #else
2525 # ifdef DL_GLOBAL
2526 # define LTDL_GLOBAL DL_GLOBAL
2527 # else
2528 # define LTDL_GLOBAL 0
2529 # endif
2530 #endif
2532 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2533 find out it does not work in some platform. */
2534 #ifndef LTDL_LAZY_OR_NOW
2535 # ifdef RTLD_LAZY
2536 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2537 # else
2538 # ifdef DL_LAZY
2539 # define LTDL_LAZY_OR_NOW DL_LAZY
2540 # else
2541 # ifdef RTLD_NOW
2542 # define LTDL_LAZY_OR_NOW RTLD_NOW
2543 # else
2544 # ifdef DL_NOW
2545 # define LTDL_LAZY_OR_NOW DL_NOW
2546 # else
2547 # define LTDL_LAZY_OR_NOW 0
2548 # endif
2549 # endif
2550 # endif
2551 # endif
2552 #endif
2554 fnord() { int i=42;}
2555 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2556 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2557 if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); }
2560 if { (eval echo $progname:2560: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2561 then
2562 lt_cv_dlopen_self_static=yes
2563 else
2564 echo "$progname: failed program was:" >&5
2565 cat conftest.$ac_ext >&5
2566 rm -fr conftest*
2567 lt_cv_dlopen_self_static=no
2569 rm -fr conftest*
2574 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2577 esac
2579 case "$lt_cv_dlopen_self" in
2580 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2581 *) enable_dlopen_self=unknown ;;
2582 esac
2584 case "$lt_cv_dlopen_self_static" in
2585 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2586 *) enable_dlopen_self_static=unknown ;;
2587 esac
2590 # Copy echo and quote the copy, instead of the original, because it is
2591 # used later.
2592 ltecho="$echo"
2593 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2594 ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2596 LTSHELL="$SHELL"
2598 LTCONFIG_VERSION="$VERSION"
2600 # Only quote variables if we're using ltmain.sh.
2601 case "$ltmain" in
2602 *.sh)
2603 # Now quote all the things that may contain metacharacters.
2604 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
2605 old_LD old_LDFLAGS old_LIBS \
2606 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
2607 AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
2608 reload_flag reload_cmds wl \
2609 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2610 thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2611 library_names_spec soname_spec \
2612 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2613 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
2614 file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2615 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2616 hardcode_libdir_flag_spec hardcode_libdir_separator \
2617 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2618 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2620 case "$var" in
2621 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2622 old_postinstall_cmds | old_postuninstall_cmds | \
2623 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2624 postinstall_cmds | postuninstall_cmds | \
2625 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2626 # Double-quote double-evaled strings.
2627 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2630 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2632 esac
2633 done
2635 case "$ltecho" in
2636 *'\$0 --fallback-echo"')
2637 ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
2639 esac
2641 trap "$rm \"$ofile\"; exit 1" 1 2 15
2642 echo "creating $ofile"
2643 $rm "$ofile"
2644 cat <<EOF > "$ofile"
2645 #! $SHELL
2647 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2648 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2649 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2651 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
2652 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2654 # This program is free software; you can redistribute it and/or modify
2655 # it under the terms of the GNU General Public License as published by
2656 # the Free Software Foundation; either version 2 of the License, or
2657 # (at your option) any later version.
2659 # This program is distributed in the hope that it will be useful, but
2660 # WITHOUT ANY WARRANTY; without even the implied warranty of
2661 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2662 # General Public License for more details.
2664 # You should have received a copy of the GNU General Public License
2665 # along with this program; if not, write to the Free Software
2666 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2668 # As a special exception to the GNU General Public License, if you
2669 # distribute this file as part of a program that contains a
2670 # configuration script generated by Autoconf, you may include it under
2671 # the same distribution terms that you use for the rest of that program.
2673 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
2674 Xsed="sed -e s/^X//"
2676 # The HP-UX ksh and POSIX shell print the target directory to stdout
2677 # if CDPATH is set.
2678 if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
2680 ### BEGIN LIBTOOL CONFIG
2682 cfgfile="$ofile"
2686 # Double-quote the variables that need it (for aesthetics).
2687 for var in old_CC old_CFLAGS old_CPPFLAGS \
2688 old_LD old_LDFLAGS old_LIBS \
2689 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
2690 eval "$var=\\\"\$var\\\""
2691 done
2693 # Just create a config file.
2694 cfgfile="$ofile.cfg"
2695 trap "$rm \"$cfgfile\"; exit 1" 1 2 15
2696 echo "creating $cfgfile"
2697 $rm "$cfgfile"
2698 cat <<EOF > "$cfgfile"
2699 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
2700 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2703 esac
2705 cat <<EOF >> "$cfgfile"
2706 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2708 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2709 # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
2710 # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
2711 # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
2712 # $0$ltconfig_args
2714 # Compiler and other test output produced by $progname, useful for
2715 # debugging $progname, is in ./config.log if it exists.
2717 # The version of $progname that generated this script.
2718 LTCONFIG_VERSION=$LTCONFIG_VERSION
2720 # Shell to use when invoking shell scripts.
2721 SHELL=$LTSHELL
2723 # Whether or not to build shared libraries.
2724 build_libtool_libs=$enable_shared
2726 # Whether or not to build static libraries.
2727 build_old_libs=$enable_static
2729 # Whether or not to optimize for fast installation.
2730 fast_install=$enable_fast_install
2732 # The host system.
2733 host_alias=$host_alias
2734 host=$host
2736 # An echo program that does not interpret backslashes.
2737 echo=$ltecho
2739 # The archiver.
2740 AR=$AR
2742 # The default C compiler.
2743 CC=$CC
2745 # The linker used to build libraries.
2746 LD=$LD
2748 # Whether we need hard or soft links.
2749 LN_S=$LN_S
2751 # A BSD-compatible nm program.
2752 NM=$NM
2754 # Used on cygwin: DLL creation program.
2755 DLLTOOL="$DLLTOOL"
2757 # Used on cygwin: object dumper.
2758 OBJDUMP="$OBJDUMP"
2760 # Used on cygwin: assembler.
2761 AS="$AS"
2763 # The name of the directory that contains temporary libtool files.
2764 objdir=$objdir
2766 # How to create reloadable object files.
2767 reload_flag=$reload_flag
2768 reload_cmds=$reload_cmds
2770 # How to pass a linker flag through the compiler.
2771 wl=$wl
2773 # Object file suffix (normally "o").
2774 objext="$objext"
2776 # Old archive suffix (normally "a").
2777 libext="$libext"
2779 # Executable file suffix (normally "").
2780 exeext="$exeext"
2782 # Additional compiler flags for building library objects.
2783 pic_flag=$pic_flag
2785 # Does compiler simultaneously support -c and -o options?
2786 compiler_c_o=$compiler_c_o
2788 # Can we write directly to a .lo ?
2789 compiler_o_lo=$compiler_o_lo
2791 # Must we lock files when doing compilation ?
2792 need_locks=$need_locks
2794 # Do we need the lib prefix for modules?
2795 need_lib_prefix=$need_lib_prefix
2797 # Do we need a version for libraries?
2798 need_version=$need_version
2800 # Whether dlopen is supported.
2801 dlopen=$enable_dlopen
2803 # Whether dlopen of programs is supported.
2804 dlopen_self=$enable_dlopen_self
2806 # Whether dlopen of statically linked programs is supported.
2807 dlopen_self_static=$enable_dlopen_self_static
2809 # Compiler flag to prevent dynamic linking.
2810 link_static_flag=$link_static_flag
2812 # Compiler flag to turn off builtin functions.
2813 no_builtin_flag=$no_builtin_flag
2815 # Compiler flag to allow reflexive dlopens.
2816 export_dynamic_flag_spec=$export_dynamic_flag_spec
2818 # Compiler flag to generate shared objects directly from archives.
2819 whole_archive_flag_spec=$whole_archive_flag_spec
2821 # Compiler flag to generate thread-safe objects.
2822 thread_safe_flag_spec=$thread_safe_flag_spec
2824 # Library versioning type.
2825 version_type=$version_type
2827 # Format of library name prefix.
2828 libname_spec=$libname_spec
2830 # List of archive names. First name is the real one, the rest are links.
2831 # The last name is the one that the linker finds with -lNAME.
2832 library_names_spec=$library_names_spec
2834 # The coded name of the library, if different from the real name.
2835 soname_spec=$soname_spec
2837 # Commands used to build and install an old-style archive.
2838 RANLIB=$RANLIB
2839 old_archive_cmds=$old_archive_cmds
2840 old_postinstall_cmds=$old_postinstall_cmds
2841 old_postuninstall_cmds=$old_postuninstall_cmds
2843 # Create an old-style archive from a shared archive.
2844 old_archive_from_new_cmds=$old_archive_from_new_cmds
2846 # Commands used to build and install a shared archive.
2847 archive_cmds=$archive_cmds
2848 archive_expsym_cmds=$archive_expsym_cmds
2849 postinstall_cmds=$postinstall_cmds
2850 postuninstall_cmds=$postuninstall_cmds
2852 # Method to check whether dependent libraries are shared objects.
2853 deplibs_check_method=$deplibs_check_method
2855 # Command to use when deplibs_check_method == file_magic.
2856 file_magic_cmd=$file_magic_cmd
2858 # Flag that allows shared libraries with undefined symbols to be built.
2859 allow_undefined_flag=$allow_undefined_flag
2861 # Flag that forces no undefined symbols.
2862 no_undefined_flag=$no_undefined_flag
2864 # Commands used to finish a libtool library installation in a directory.
2865 finish_cmds=$finish_cmds
2867 # Same as above, but a single script fragment to be evaled but not shown.
2868 finish_eval=$finish_eval
2870 # Take the output of nm and produce a listing of raw symbols and C names.
2871 global_symbol_pipe=$global_symbol_pipe
2873 # Transform the output of nm in a proper C declaration
2874 global_symbol_to_cdecl=$global_symbol_to_cdecl
2876 # This is the shared library runtime path variable.
2877 runpath_var=$runpath_var
2879 # This is the shared library path variable.
2880 shlibpath_var=$shlibpath_var
2882 # Is shlibpath searched before the hard-coded library search path?
2883 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2885 # How to hardcode a shared library path into an executable.
2886 hardcode_action=$hardcode_action
2888 # Flag to hardcode \$libdir into a binary during linking.
2889 # This must work even if \$libdir does not exist.
2890 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
2892 # Whether we need a single -rpath flag with a separated argument.
2893 hardcode_libdir_separator=$hardcode_libdir_separator
2895 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2896 # resulting binary.
2897 hardcode_direct=$hardcode_direct
2899 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2900 # resulting binary.
2901 hardcode_minus_L=$hardcode_minus_L
2903 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2904 # the resulting binary.
2905 hardcode_shlibpath_var=$hardcode_shlibpath_var
2907 # Compile-time system search path for libraries
2908 sys_lib_search_path_spec=$sys_lib_search_path_spec
2910 # Run-time system search path for libraries
2911 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
2913 # Fix the shell variable \$srcfile for the compiler.
2914 fix_srcfile_path="$fix_srcfile_path"
2916 # Set to yes if exported symbols are required.
2917 always_export_symbols=$always_export_symbols
2919 # The commands to list exported symbols.
2920 export_symbols_cmds=$export_symbols_cmds
2922 # Symbols that should not be listed in the preloaded symbols.
2923 exclude_expsyms=$exclude_expsyms
2925 # Symbols that must always be exported.
2926 include_expsyms=$include_expsyms
2930 case "$ltmain" in
2931 *.sh)
2932 echo '### END LIBTOOL CONFIG' >> "$ofile"
2933 echo >> "$ofile"
2934 case "$host_os" in
2935 aix3*)
2936 cat <<\EOF >> "$ofile"
2938 # AIX sometimes has problems with the GCC collect2 program. For some
2939 # reason, if we set the COLLECT_NAMES environment variable, the problems
2940 # vanish in a puff of smoke.
2941 if test "${COLLECT_NAMES+set}" != set; then
2942 COLLECT_NAMES=
2943 export COLLECT_NAMES
2947 esac
2949 # Append the ltmain.sh script.
2950 sed '$q' "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
2952 chmod +x "$ofile"
2956 # Compile the libtool program.
2957 echo "FIXME: would compile $ltmain"
2959 esac
2961 test -n "$cache_file" || exit 0
2963 # AC_CACHE_SAVE
2964 trap '' 1 2 15
2965 cat > confcache <<\EOF
2966 # This file is a shell script that caches the results of configure
2967 # tests run on this system so they can be shared between configure
2968 # scripts and configure runs. It is not useful on other systems.
2969 # If it contains results you don't want to keep, you may remove or edit it.
2971 # By default, configure uses ./config.cache as the cache file,
2972 # creating it if it does not exist already. You can give configure
2973 # the --cache-file=FILE option to use a different cache file; that is
2974 # what configure does when it calls configure scripts in
2975 # subdirectories, so they share the cache.
2976 # Giving --cache-file=/dev/null disables caching, for debugging configure.
2977 # config.status only pays attention to the cache file if you give it the
2978 # --recheck option to rerun configure.
2981 # The following way of writing the cache mishandles newlines in values,
2982 # but we know of no workaround that is simple, portable, and efficient.
2983 # So, don't put newlines in cache variables' values.
2984 # Ultrix sh set writes to stderr and can't be redirected directly,
2985 # and sets the high bit in the cache file unless we assign to the vars.
2986 (set) 2>&1 |
2987 case `(ac_space=' '; set | grep ac_space) 2>&1` in
2988 *ac_space=\ *)
2989 # `set' does not quote correctly, so add quotes (double-quote substitution
2990 # turns \\\\ into \\, and sed turns \\ into \).
2991 sed -n \
2992 -e "s/'/'\\\\''/g" \
2993 -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
2996 # `set' quotes correctly as required by POSIX, so do not add quotes.
2997 sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
2999 esac >> confcache
3000 if cmp -s $cache_file confcache; then
3002 else
3003 if test -w $cache_file; then
3004 echo "updating cache $cache_file"
3005 cat confcache > $cache_file
3006 else
3007 echo "not updating unwritable cache $cache_file"
3010 rm -f confcache
3012 exit 0
3014 # Local Variables:
3015 # mode:shell-script
3016 # sh-indentation:2
3017 # End: