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[kdbg.git] / ltconfig
blobeb3a5a63f18b89e022ef9c947cf5a6d2845c2ea8
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" | $Xsed -e 's%^.*/%%'`
169 # Constants:
170 PROGRAM=ltconfig
171 PACKAGE=libtool
172 VERSION=1.3a
173 TIMESTAMP=" (1.542 1999/05/27 10:56:10)"
174 ac_compile='${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.
185 enable_static=yes
186 enable_fast_install=yes
187 enable_dlopen=unknown
188 enable_win32_dll=no
189 ltmain=
190 silent=
191 srcdir=
192 ac_config_guess=
193 ac_config_sub=
194 host=
195 nonopt=
196 ofile="$default_ofile"
197 verify_host=yes
198 with_gcc=no
199 with_gnu_ld=no
200 need_locks=yes
201 ac_ext=c
202 objext=o
203 libext=a
204 cache_file=
206 old_AR="$AR"
207 old_CC="$CC"
208 old_CFLAGS="$CFLAGS"
209 old_CPPFLAGS="$CPPFLAGS"
210 old_LDFLAGS="$LDFLAGS"
211 old_LD="$LD"
212 old_LN_S="$LN_S"
213 old_LIBS="$LIBS"
214 old_NM="$NM"
215 old_RANLIB="$RANLIB"
216 old_DLLTOOL="$DLLTOOL"
217 old_OBJDUMP="$OBJDUMP"
218 old_AS="$AS"
220 # Parse the command line options.
221 args=
222 prev=
223 for option
225 case "$option" in
226 -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
227 *) optarg= ;;
228 esac
230 # If the previous option needs an argument, assign it.
231 if test -n "$prev"; then
232 eval "$prev=\$option"
233 prev=
234 continue
237 case "$option" in
238 --help) cat <<EOM
239 Usage: $progname [OPTION]... [HOST [LTMAIN]]
241 Generate a system-specific libtool script.
243 --debug enable verbose shell tracing
244 --disable-shared do not build shared libraries
245 --disable-static do not build static libraries
246 --disable-fast-install do not optimize for fast installation
247 --enable-dlopen enable dlopen support
248 --enable-win32-dll enable building dlls on win32 hosts
249 --help display this help and exit
250 --no-verify do not verify that HOST is a valid host type
251 -o, --output=FILE specify the output file [default=$default_ofile]
252 --quiet same as \`--silent'
253 --silent do not print informational messages
254 --srcdir=DIR find \`config.guess' in DIR
255 --version output version information and exit
256 --with-gcc assume that the GNU C compiler will be used
257 --with-gnu-ld assume that the C compiler uses the GNU linker
258 --disable-lock disable file locking
259 --cache-file=FILE configure cache file
261 LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
262 that provides basic libtool functionality.
264 HOST is the canonical host system name [default=guessed].
266 exit 0
269 --debug)
270 echo "$progname: enabling shell trace mode"
271 set -x
274 --disable-shared) enable_shared=no ;;
276 --disable-static) enable_static=no ;;
278 --disable-fast-install) enable_fast_install=no ;;
280 --enable-dlopen) enable_dlopen=yes ;;
282 --enable-win32-dll) enable_win32_dll=yes ;;
284 --quiet | --silent) silent=yes ;;
286 --srcdir) prev=srcdir ;;
287 --srcdir=*) srcdir="$optarg" ;;
289 --no-verify) verify_host=no ;;
291 --output | -o) prev=ofile ;;
292 --output=*) ofile="$optarg" ;;
294 --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
296 --with-gcc) with_gcc=yes ;;
297 --with-gnu-ld) with_gnu_ld=yes ;;
299 --disable-lock) need_locks=no ;;
301 --cache-file=*) cache_file="$optarg" ;;
304 echo "$progname: unrecognized option \`$option'" 1>&2
305 echo "$help" 1>&2
306 exit 1
310 if test -z "$ltmain"; then
311 ltmain="$option"
312 elif test -z "$host"; then
313 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
314 # if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
315 # echo "$progname: warning \`$option' is not a valid host type" 1>&2
316 # fi
317 host="$option"
318 else
319 echo "$progname: too many arguments" 1>&2
320 echo "$help" 1>&2
321 exit 1
322 fi ;;
323 esac
324 done
326 if test -z "$ltmain"; then
327 echo "$progname: you must specify a LTMAIN file" 1>&2
328 echo "$help" 1>&2
329 exit 1
332 if test ! -f "$ltmain"; then
333 echo "$progname: \`$ltmain' does not exist" 1>&2
334 echo "$help" 1>&2
335 exit 1
338 # Quote any args containing shell metacharacters.
339 ltconfig_args=
340 for arg
342 case "$arg" in
343 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
344 ltconfig_args="$ltconfig_args '$arg'" ;;
345 *) ltconfig_args="$ltconfig_args $arg" ;;
346 esac
347 done
349 # A relevant subset of AC_INIT.
351 # File descriptor usage:
352 # 0 standard input
353 # 1 file creation
354 # 2 errors and warnings
355 # 3 some systems may open it to /dev/tty
356 # 4 used on the Kubota Titan
357 # 5 compiler messages saved in config.log
358 # 6 checking for... messages and results
359 if test "$silent" = yes; then
360 exec 6>/dev/null
361 else
362 exec 6>&1
364 exec 5>>./config.log
366 # NLS nuisances.
367 # Only set LANG and LC_ALL to C if already set.
368 # These must not be set unconditionally because not all systems understand
369 # e.g. LANG=C (notably SCO).
370 if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
371 if test "${LANG+set}" = set; then LANG=C; export LANG; fi
373 if test -n "$cache_file" && test -r "$cache_file"; then
374 echo "loading cache $cache_file within ltconfig"
375 . $cache_file
378 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
379 # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
380 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
381 ac_n= ac_c='
382 ' ac_t=' '
383 else
384 ac_n=-n ac_c= ac_t=
386 else
387 ac_n= ac_c='\c' ac_t=
390 if test -z "$srcdir"; then
391 # Assume the source directory is the same one as the path to LTMAIN.
392 srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
393 test "$srcdir" = "$ltmain" && srcdir=.
396 trap "$rm conftest*; exit 1" 1 2 15
397 if test "$verify_host" = yes; then
398 # Check for config.guess and config.sub.
399 ac_aux_dir=
400 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
401 if test -f $ac_dir/config.guess; then
402 ac_aux_dir=$ac_dir
403 break
405 done
406 if test -z "$ac_aux_dir"; then
407 echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
408 echo "$help" 1>&2
409 exit 1
411 ac_config_guess=$ac_aux_dir/config.guess
412 ac_config_sub=$ac_aux_dir/config.sub
414 # Make sure we can run config.sub.
415 if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
416 else
417 echo "$progname: cannot run $ac_config_sub" 1>&2
418 echo "$help" 1>&2
419 exit 1
422 echo $ac_n "checking host system type""... $ac_c" 1>&6
424 host_alias=$host
425 case "$host_alias" in
427 if host_alias=`$SHELL $ac_config_guess`; then :
428 else
429 echo "$progname: cannot guess host type; you must specify one" 1>&2
430 echo "$help" 1>&2
431 exit 1
432 fi ;;
433 esac
434 host=`$SHELL $ac_config_sub $host_alias`
435 echo "$ac_t$host" 1>&6
437 # Make sure the host verified.
438 test -z "$host" && exit 1
440 elif test -z "$host"; then
441 echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
442 echo "$help" 1>&2
443 exit 1
444 else
445 host_alias=$host
448 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
449 case "$host_os" in
450 linux-gnu*) ;;
451 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
452 esac
454 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
455 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
456 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
458 case "$host_os" in
459 aix3*)
460 # AIX sometimes has problems with the GCC collect2 program. For some
461 # reason, if we set the COLLECT_NAMES environment variable, the problems
462 # vanish in a puff of smoke.
463 if test "${COLLECT_NAMES+set}" != set; then
464 COLLECT_NAMES=
465 export COLLECT_NAMES
468 esac
470 # Determine commands to create old-style static archives.
471 old_archive_cmds='$AR cru $oldlib$oldobjs'
472 old_postinstall_cmds='chmod 644 $oldlib'
473 old_postuninstall_cmds=
475 # Set a sane default for `AR'.
476 test -z "$AR" && AR=ar
478 # Set a sane default for `OBJDUMP'.
479 test -z "$OBJDUMP" && OBJDUMP=objdump
481 # If RANLIB is not set, then run the test.
482 if test "${RANLIB+set}" != "set"; then
483 result=no
485 echo $ac_n "checking for ranlib... $ac_c" 1>&6
486 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
487 for dir in $PATH; do
488 test -z "$dir" && dir=.
489 if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then
490 RANLIB="ranlib"
491 result="ranlib"
492 break
494 done
495 IFS="$save_ifs"
497 echo "$ac_t$result" 1>&6
500 if test -n "$RANLIB"; then
501 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
502 old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
505 # Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin.
506 test -z "$DLLTOOL" && DLLTOOL=dlltool
507 test -z "$OBJDUMP" && OBJDUMP=objdump
508 test -z "$AS" && AS=as
510 # Check to see if we are using GCC.
511 if test "$with_gcc" != yes || test -z "$CC"; then
512 # If CC is not set, then try to find GCC or a usable CC.
513 if test -z "$CC"; then
514 echo $ac_n "checking for gcc... $ac_c" 1>&6
515 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
516 for dir in $PATH; do
517 test -z "$dir" && dir=.
518 if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then
519 CC="gcc"
520 break
522 done
523 IFS="$save_ifs"
525 if test -n "$CC"; then
526 echo "$ac_t$CC" 1>&6
527 else
528 echo "$ac_t"no 1>&6
532 # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
533 if test -z "$CC"; then
534 echo $ac_n "checking for cc... $ac_c" 1>&6
535 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
536 cc_rejected=no
537 for dir in $PATH; do
538 test -z "$dir" && dir=.
539 if test -f $dir/cc || test -f $dir/cc$ac_exeext; then
540 if test "$dir/cc" = "/usr/ucb/cc"; then
541 cc_rejected=yes
542 continue
544 CC="cc"
545 break
547 done
548 IFS="$save_ifs"
549 if test $cc_rejected = yes; then
550 # We found a bogon in the path, so make sure we never use it.
551 set dummy $CC
552 shift
553 if test $# -gt 0; then
554 # We chose a different compiler from the bogus one.
555 # However, it has the same name, so the bogon will be chosen
556 # first if we set CC to just the name; use the full file name.
557 shift
558 set dummy "$dir/cc" "$@"
559 shift
560 CC="$@"
564 if test -n "$CC"; then
565 echo "$ac_t$CC" 1>&6
566 else
567 echo "$ac_t"no 1>&6
570 if test -z "$CC"; then
571 echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
572 exit 1
576 # Now see if the compiler is really GCC.
577 with_gcc=no
578 echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
579 echo "$progname:579: checking whether we are using GNU C" >&5
581 $rm conftest.c
582 cat > conftest.c <<EOF
583 #ifdef __GNUC__
584 yes;
585 #endif
587 if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:587: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
588 with_gcc=yes
590 $rm conftest.c
591 echo "$ac_t$with_gcc" 1>&6
594 # Allow CC to be a program name with arguments.
595 set dummy $CC
596 compiler="$2"
598 echo $ac_n "checking for object suffix... $ac_c" 1>&6
599 $rm conftest*
600 echo 'int i = 1;' > conftest.c
601 echo "$progname:601: checking for object suffix" >& 5
602 if { (eval echo $progname:602: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
603 # Append any warnings to the config.log.
604 cat conftest.err 1>&5
606 for ac_file in conftest.*; do
607 case $ac_file in
608 *.c) ;;
609 *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
610 esac
611 done
612 else
613 cat conftest.err 1>&5
614 echo "$progname: failed program was:" >&5
615 cat conftest.c >&5
617 $rm conftest*
618 echo "$ac_t$objext" 1>&6
620 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
621 pic_flag=
622 special_shlib_compile_flags=
624 link_static_flag=
625 no_builtin_flag=
627 if test "$with_gcc" = yes; then
628 wl='-Wl,'
629 link_static_flag='-static'
631 case "$host_os" in
632 beos* | irix5* | irix6* | osf3* | osf4*)
633 # PIC is the default for these OSes.
635 aix*)
636 # Below there is a dirty hack to force normal static linking with -ldl
637 # The problem is because libdl dynamically linked with both libc and
638 # libC (AIX C++ library), which obviously doesn't included in libraries
639 # list by gcc. This cause undefined symbols with -static flags.
640 # This hack allows C programs to be linked with "-static -ldl", but
641 # we not sure about C++ programs.
642 link_static_flag="$link_static_flag ${wl}-lC"
644 cygwin* | mingw* | os2*)
645 # We can build DLLs from non-PIC.
647 amigaos*)
648 # FIXME: we need at least 68020 code to build shared libraries, but
649 # adding the `-m68020' flag to GCC prevents building anything better,
650 # like `-m68040'.
651 pic_flag='-m68020 -resident32 -malways-restore-a4'
653 sysv4*MP*)
654 if test -d /usr/nec; then
655 pic_flag=-Kconform_pic
659 pic_flag='-fPIC'
661 esac
662 else
663 # PORTME Check for PIC flags for the system compiler.
664 case "$host_os" in
665 aix3* | aix4*)
666 # All AIX code is PIC.
667 link_static_flag='-bnso -bI:/lib/syscalls.exp'
670 hpux9* | hpux10* | hpux11*)
671 # Is there a better link_static_flag that works with the bundled CC?
672 wl='-Wl,'
673 link_static_flag="${wl}-a ${wl}archive"
674 pic_flag='+Z'
677 irix5* | irix6*)
678 wl='-Wl,'
679 link_static_flag='-non_shared'
680 # PIC (with -KPIC) is the default.
683 cygwin* | mingw* | os2*)
684 # We can build DLLs from non-PIC.
687 osf3* | osf4*)
688 # All OSF/1 code is PIC.
689 wl='-Wl,'
690 link_static_flag='-non_shared'
693 sco3.2v5*)
694 pic_flag='-Kpic'
695 link_static_flag='-dn'
696 special_shlib_compile_flags='-belf'
699 solaris*)
700 pic_flag='-KPIC'
701 link_static_flag='-Bstatic'
702 wl='-Wl,'
705 sunos4*)
706 pic_flag='-PIC'
707 link_static_flag='-Bstatic'
708 wl='-Qoption ld '
711 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
712 pic_flag='-KPIC'
713 link_static_flag='-Bstatic'
714 wl='-Wl,'
717 uts4*)
718 pic_flag='-pic'
719 link_static_flag='-Bstatic'
722 sysv4*MP*)
723 if test -d /usr/nec ;then
724 pic_flag='-Kconform_pic'
725 link_static_flag='-Bstatic'
730 can_build_shared=no
732 esac
735 if test -n "$pic_flag"; then
736 echo "$ac_t$pic_flag" 1>&6
738 # Check to make sure the pic_flag actually works.
739 echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
740 $rm conftest*
741 echo "int some_variable = 0;" > conftest.c
742 save_CFLAGS="$CFLAGS"
743 CFLAGS="$CFLAGS $pic_flag -DPIC"
744 echo "$progname:744: checking if $compiler PIC flag $pic_flag works" >&5
745 if { (eval echo $progname:745: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
746 # Append any warnings to the config.log.
747 cat conftest.err 1>&5
749 case "$host_os" in
750 hpux9* | hpux10* | hpux11*)
751 # On HP-UX, both CC and GCC only warn that PIC is supported... then they
752 # create non-PIC objects. So, if there were any warnings, we assume that
753 # PIC is not supported.
754 if test -s conftest.err; then
755 echo "$ac_t"no 1>&6
756 can_build_shared=no
757 pic_flag=
758 else
759 echo "$ac_t"yes 1>&6
760 pic_flag=" $pic_flag"
764 echo "$ac_t"yes 1>&6
765 pic_flag=" $pic_flag"
767 esac
768 else
769 # Append any errors to the config.log.
770 cat conftest.err 1>&5
771 can_build_shared=no
772 pic_flag=
773 echo "$ac_t"no 1>&6
775 CFLAGS="$save_CFLAGS"
776 $rm conftest*
777 else
778 echo "$ac_t"none 1>&6
781 # Check to see if options -o and -c are simultaneously supported by compiler
782 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
783 $rm -r conftest 2>/dev/null
784 mkdir conftest
785 cd conftest
786 $rm conftest*
787 echo "int some_variable = 0;" > conftest.c
788 mkdir out
789 # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
790 # that will create temporary files in the current directory regardless of
791 # the output directory. Thus, making CWD read-only will cause this test
792 # to fail, enabling locking or at least warning the user not to do parallel
793 # builds.
794 chmod -w .
795 save_CFLAGS="$CFLAGS"
796 CFLAGS="$CFLAGS -o out/conftest2.o"
797 echo "$progname:797: checking if $compiler supports -c -o file.o" >&5
798 if { (eval echo $progname:798: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
800 # The compiler can only warn and ignore the option if not recognized
801 # So say no if there are warnings
802 if test -s out/conftest.err; then
803 echo "$ac_t"no 1>&6
804 compiler_c_o=no
805 else
806 echo "$ac_t"yes 1>&6
807 compiler_c_o=yes
809 else
810 # Append any errors to the config.log.
811 cat out/conftest.err 1>&5
812 compiler_c_o=no
813 echo "$ac_t"no 1>&6
815 CFLAGS="$save_CFLAGS"
816 chmod u+w .
817 $rm conftest* out/*
818 rmdir out
819 cd ..
820 rmdir conftest
821 $rm -r conftest 2>/dev/null
823 if test x"$compiler_c_o" = x"yes"; then
824 # Check to see if we can write to a .lo
825 echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
826 $rm conftest*
827 echo "int some_variable = 0;" > conftest.c
828 save_CFLAGS="$CFLAGS"
829 CFLAGS="$CFLAGS -c -o conftest.lo"
830 echo "$progname:830: checking if $compiler supports -c -o file.lo" >&5
831 if { (eval echo $progname:831: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
833 # The compiler can only warn and ignore the option if not recognized
834 # So say no if there are warnings
835 if test -s conftest.err; then
836 echo "$ac_t"no 1>&6
837 compiler_o_lo=no
838 else
839 echo "$ac_t"yes 1>&6
840 compiler_o_lo=yes
842 else
843 # Append any errors to the config.log.
844 cat conftest.err 1>&5
845 compiler_o_lo=no
846 echo "$ac_t"no 1>&6
848 CFLAGS="$save_CFLAGS"
849 $rm conftest*
850 else
851 compiler_o_lo=no
854 # Check to see if we can do hard links to lock some files if needed
855 hard_links="nottested"
856 if test "$compiler_c_o" = no && test "$need_locks" != no; then
857 # do not overwrite the value of need_locks provided by the user
858 echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
859 hard_links=yes
860 $rm conftest*
861 ln conftest.a conftest.b 2>/dev/null && hard_links=no
862 touch conftest.a
863 ln conftest.a conftest.b 2>&5 || hard_links=no
864 ln conftest.a conftest.b 2>/dev/null && hard_links=no
865 echo "$ac_t$hard_links" 1>&6
866 $rm conftest*
867 if test "$hard_links" = no; then
868 echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
869 need_locks=warn
871 else
872 need_locks=no
875 if test "$with_gcc" = yes; then
876 # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
877 echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
878 $rm conftest*
879 echo "int some_variable = 0;" > conftest.c
880 save_CFLAGS="$CFLAGS"
881 CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
882 echo "$progname:882: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
883 if { (eval echo $progname:883: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
885 # The compiler can only warn and ignore the option if not recognized
886 # So say no if there are warnings
887 if test -s conftest.err; then
888 echo "$ac_t"no 1>&6
889 compiler_rtti_exceptions=no
890 else
891 echo "$ac_t"yes 1>&6
892 compiler_rtti_exceptions=yes
894 else
895 # Append any errors to the config.log.
896 cat conftest.err 1>&5
897 compiler_rtti_exceptions=no
898 echo "$ac_t"no 1>&6
900 CFLAGS="$save_CFLAGS"
901 $rm conftest*
903 if test "$compiler_rtti_exceptions" = "yes"; then
904 no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
905 else
906 no_builtin_flag=' -fno-builtin'
911 # Check for any special shared library compilation flags.
912 if test -n "$special_shlib_compile_flags"; then
913 echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
914 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then :
915 else
916 echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
917 can_build_shared=no
921 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
922 $rm conftest*
923 echo 'main(){return(0);}' > conftest.c
924 save_LDFLAGS="$LDFLAGS"
925 LDFLAGS="$LDFLAGS $link_static_flag"
926 echo "$progname:926: checking if $compiler static flag $link_static_flag works" >&5
927 if { (eval echo $progname:927: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
928 echo "$ac_t$link_static_flag" 1>&6
929 else
930 echo "$ac_t"none 1>&6
931 link_static_flag=
933 LDFLAGS="$save_LDFLAGS"
934 $rm conftest*
936 if test -z "$LN_S"; then
937 # Check to see if we can use ln -s, or we need hard links.
938 echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
939 $rm conftest.dat
940 if ln -s X conftest.dat 2>/dev/null; then
941 $rm conftest.dat
942 LN_S="ln -s"
943 else
944 LN_S=ln
946 if test "$LN_S" = "ln -s"; then
947 echo "$ac_t"yes 1>&6
948 else
949 echo "$ac_t"no 1>&6
953 # Make sure LD is an absolute path.
954 if test -z "$LD"; then
955 ac_prog=ld
956 if test "$with_gcc" = yes; then
957 # Check if gcc -print-prog-name=ld gives a path.
958 echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
959 echo "$progname:959: checking for ld used by GCC" >&5
960 ac_prog=`($CC -print-prog-name=ld) 2>&5`
961 case "$ac_prog" in
962 # Accept absolute paths.
963 [\\/]* | [A-Za-z]:[\\/]*)
964 re_direlt='/[^/][^/]*/\.\./'
965 # Canonicalize the path of ld
966 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
967 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
968 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
969 done
970 test -z "$LD" && LD="$ac_prog"
973 # If it fails, then pretend we are not using GCC.
974 ac_prog=ld
977 # If it is relative, then search for the first ld in PATH.
978 with_gnu_ld=unknown
980 esac
981 elif test "$with_gnu_ld" = yes; then
982 echo $ac_n "checking for GNU ld... $ac_c" 1>&6
983 echo "$progname:983: checking for GNU ld" >&5
984 else
985 echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
986 echo "$progname:986: checking for non-GNU ld" >&5
989 if test -z "$LD"; then
990 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
991 for ac_dir in $PATH; do
992 test -z "$ac_dir" && ac_dir=.
993 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
994 LD="$ac_dir/$ac_prog"
995 # Check to see if the program is GNU ld. I'd rather use --version,
996 # but apparently some GNU ld's only accept -v.
997 # Break only if it was the GNU/non-GNU ld that we prefer.
998 if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
999 test "$with_gnu_ld" != no && break
1000 else
1001 test "$with_gnu_ld" != yes && break
1004 done
1005 IFS="$ac_save_ifs"
1008 if test -n "$LD"; then
1009 echo "$ac_t$LD" 1>&6
1010 else
1011 echo "$ac_t"no 1>&6
1014 if test -z "$LD"; then
1015 echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
1016 exit 1
1020 # Check to see if it really is or is not GNU ld.
1021 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
1022 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
1023 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
1024 with_gnu_ld=yes
1025 else
1026 with_gnu_ld=no
1028 echo "$ac_t$with_gnu_ld" 1>&6
1030 # See if the linker supports building shared libraries.
1031 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
1033 allow_undefined_flag=
1034 no_undefined_flag=
1035 need_lib_prefix=unknown
1036 need_version=unknown
1037 # when you set need_version to no, make sure it does not cause -set_version
1038 # flags to be left without arguments
1039 archive_cmds=
1040 archive_expsym_cmds=
1041 old_archive_from_new_cmds=
1042 old_archive_from_expsyms_cmds=
1043 export_dynamic_flag_spec=
1044 whole_archive_flag_spec=
1045 thread_safe_flag_spec=
1046 hardcode_libdir_flag_spec=
1047 hardcode_libdir_separator=
1048 hardcode_direct=no
1049 hardcode_minus_L=no
1050 hardcode_shlibpath_var=unsupported
1051 runpath_var=
1052 link_all_deplibs=unknown
1053 always_export_symbols=no
1054 export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1055 # include_expsyms should be a list of space-separated symbols to be *always*
1056 # included in the symbol list
1057 include_expsyms=
1058 # exclude_expsyms can be an egrep regular expression of symbols to exclude
1059 # it will be wrapped by ` (' and `)$', so one must not match beginning or
1060 # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
1061 # as well as any symbol that contains `d'.
1062 exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1063 # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
1064 # platforms (ab)use it in PIC code, but their linkers get confused if
1065 # the symbol is explicitly referenced. Since portable code cannot
1066 # rely on this symbol name, it's probably fine to never include it in
1067 # preloaded symbol tables.
1068 extract_expsyms_cmds=
1070 case "$host_os" in
1071 cygwin* | mingw*)
1072 # FIXME: the MSVC++ port hasn't been tested in a loooong time
1073 # When not using gcc, we currently assume that we are using
1074 # Microsoft Visual C++.
1075 if test "$with_gcc" != yes; then
1076 with_gnu_ld=no
1080 esac
1082 ld_shlibs=yes
1083 if test "$with_gnu_ld" = yes; then
1084 # If archive_cmds runs LD, not CC, wlarc should be empty
1085 wlarc='${wl}'
1087 # See if GNU ld supports shared libraries.
1088 case "$host_os" in
1089 aix3* | aix4*)
1090 # On AIX, the GNU linker is very broken
1091 ld_shlibs=no
1092 cat <<EOF 1>&2
1094 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
1095 *** to be unable to reliably create shared libraries on AIX.
1096 *** Therefore, libtool is disabling shared libraries support. If you
1097 *** really care for shared libraries, you may want to modify your PATH
1098 *** so that a non-GNU linker is found, and then restart.
1103 amigaos*)
1104 archive_cmds='$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 $objdir && a2ixlibrary -32)'
1105 hardcode_libdir_flag_spec='-L$libdir'
1106 hardcode_minus_L=yes
1108 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
1109 # that the semantics of dynamic libraries on AmigaOS, at least up
1110 # to version 4, is to share data among multiple programs linked
1111 # with the same dynamic library. Since this doesn't match the
1112 # behavior of shared libraries on other platforms, we can use
1113 # them.
1114 ld_shlibs=no
1117 beos*)
1118 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1119 allow_undefined_flag=unsupported
1120 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
1121 # support --undefined. This deserves some investigation. FIXME
1122 archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1123 else
1124 ld_shlibs=no
1128 cygwin* | mingw*)
1129 # hardcode_libdir_flag_spec is actually meaningless, as there is
1130 # no search path for DLLs.
1131 hardcode_libdir_flag_spec='-L$libdir'
1132 allow_undefined_flag=unsupported
1133 always_export_symbols=yes
1135 extract_expsyms_cmds='test -f $objdir/impgen.c || \
1136 sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/impgen.c~
1137 test -f $objdir/impgen.exe || (cd $objdir && $CC -o impgen impgen.c)~
1138 $objdir/impgen $dir/$soname > $objdir/$soname-def'
1140 old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$newlib'
1142 # Extract the symbol export list from an `--export-all' def file,
1143 # then regenerate the def file from the symbol export list, so that
1144 # the compiled dll only exports the symbol export list.
1145 export_symbols_cmds='rm -f $objdir/$soname-ltdll.c~
1146 sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1147 (cd $objdir && $CC -c $soname-ltdll.c)~
1148 $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~
1149 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]* ;.*//" < $objdir/$soname-def > $export_symbols'
1151 archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
1152 _lt_hint=1;
1153 for symbol in `cat $export_symbols`; do
1154 echo " \$symbol @ \$_lt_hint ; " >> $objdir/$soname-def;
1155 _lt_hint=`expr 1 + \$_lt_hint`;
1156 done~
1157 $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $compiler_flags~
1158 $DLLTOOL --as=$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~
1159 $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $compiler_flags~
1160 $DLLTOOL --as=$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~
1161 $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $compiler_flags'
1164 netbsd*)
1165 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1166 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1167 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1168 else
1169 archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
1170 # can we support soname and/or expsyms with a.out? -oliva
1174 solaris*)
1175 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
1176 ld_shlibs=no
1177 cat <<EOF 1>&2
1179 *** Warning: The releases 2.8.* of the GNU linker cannot reliably
1180 *** create shared libraries on Solaris systems. Therefore, libtool
1181 *** is disabling shared libraries support. We urge you to upgrade GNU
1182 *** binutils to release 2.9.1 or newer. Another option is to modify
1183 *** your PATH or compiler configuration so that the native linker is
1184 *** used, and then restart.
1187 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1188 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1189 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1190 else
1191 ld_shlibs=no
1195 sunos4*)
1196 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1197 wlarc=
1198 hardcode_direct=yes
1199 hardcode_shlibpath_var=no
1203 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1204 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1205 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1206 else
1207 ld_shlibs=no
1210 esac
1212 if test "$ld_shlibs" = yes; then
1213 runpath_var=LD_RUN_PATH
1214 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1215 export_dynamic_flag_spec='${wl}--export-dynamic'
1216 case $host_os in
1217 cygwin* | mingw*)
1218 # dlltool doesn't understand --whole-archive et. al.
1219 whole_archive_flag_spec=
1222 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1224 esac
1226 else
1227 # PORTME fill in a description of your system's linker (not GNU ld)
1228 case "$host_os" in
1229 aix3*)
1230 allow_undefined_flag=unsupported
1231 always_export_symbols=yes
1232 archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1233 # Note: this linker hardcodes the directories in LIBPATH if there
1234 # are no directories specified by -L.
1235 hardcode_minus_L=yes
1236 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1237 # Neither direct hardcoding nor static linking is supported with a
1238 # broken collect2.
1239 hardcode_direct=unsupported
1243 aix4*)
1244 hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
1245 hardcode_libdir_separator=':'
1246 if test "$with_gcc" = yes; then
1247 collect2name=`${CC} -print-prog-name=collect2`
1248 if test -f "$collect2name" && \
1249 strings "$collect2name" | grep resolve_lib_name >/dev/null
1250 then
1251 # We have reworked collect2
1252 hardcode_direct=yes
1253 else
1254 # We have old collect2
1255 hardcode_direct=unsupported
1256 # It fails to find uninstalled libraries when the uninstalled
1257 # path is not listed in the libpath. Setting hardcode_minus_L
1258 # to unsupported forces relinking
1259 hardcode_minus_L=yes
1260 hardcode_libdir_flag_spec='-L$libdir'
1261 hardcode_libdir_separator=
1263 shared_flag='-shared'
1264 else
1265 shared_flag='${wl}-bM:SRE'
1266 hardcode_direct=yes
1268 allow_undefined_flag=' ${wl}-berok'
1269 archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
1270 archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
1271 case "$host_os" in aix4.[01]|aix4.[01].*)
1272 # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
1273 always_export_symbols=yes ;;
1274 esac
1277 amigaos*)
1278 archive_cmds='$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 $objdir && a2ixlibrary -32)'
1279 hardcode_libdir_flag_spec='-L$libdir'
1280 hardcode_minus_L=yes
1281 # see comment about different semantics on the GNU ld section
1282 ld_shlibs=no
1285 cygwin* | mingw*)
1286 # When not using gcc, we currently assume that we are using
1287 # Microsoft Visual C++.
1288 # hardcode_libdir_flag_spec is actually meaningless, as there is
1289 # no search path for DLLs.
1290 hardcode_libdir_flag_spec=' '
1291 allow_undefined_flag=unsupported
1292 # Tell ltmain to make .lib files, not .a files.
1293 libext=lib
1294 # FIXME: Setting linknames here is a bad hack.
1295 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1296 # The linker will automatically build a .lib file if we build a DLL.
1297 old_archive_from_new_cmds='true'
1298 # FIXME: Should let the user specify the lib program.
1299 old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1300 fix_srcfile_path='`cygpath -w $srcfile`'
1303 freebsd1*)
1304 ld_shlibs=no
1307 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1308 # support. Future versions do this automatically, but an explicit c++rt0.o
1309 # does not break anything, and helps significantly (at the cost of a little
1310 # extra space).
1311 freebsd2.2*)
1312 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
1313 hardcode_libdir_flag_spec='-R$libdir'
1314 hardcode_direct=yes
1315 hardcode_shlibpath_var=no
1318 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1319 freebsd2*)
1320 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1321 hardcode_direct=yes
1322 hardcode_minus_L=yes
1323 hardcode_shlibpath_var=no
1326 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1327 freebsd*)
1328 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
1329 hardcode_libdir_flag_spec='-R$libdir'
1330 hardcode_direct=yes
1331 hardcode_shlibpath_var=no
1334 hpux9* | hpux10* | hpux11*)
1335 case "$host_os" in
1336 hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linker_flags~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
1337 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
1338 esac
1339 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1340 hardcode_libdir_separator=:
1341 hardcode_direct=yes
1342 hardcode_minus_L=yes # Not in the search PATH, but as the default
1343 # location of the library.
1344 export_dynamic_flag_spec='${wl}-E'
1347 irix5* | irix6*)
1348 if test "$with_gcc" = yes; then
1349 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1350 else
1351 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1353 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1354 hardcode_libdir_separator=:
1355 link_all_deplibs=yes
1358 netbsd*)
1359 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1360 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
1361 else
1362 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
1364 hardcode_libdir_flag_spec='${wl}-R$libdir'
1365 hardcode_direct=yes
1366 hardcode_shlibpath_var=no
1369 openbsd*)
1370 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1371 hardcode_libdir_flag_spec='-R$libdir'
1372 hardcode_direct=yes
1373 hardcode_shlibpath_var=no
1376 os2*)
1377 hardcode_libdir_flag_spec='-L$libdir'
1378 hardcode_minus_L=yes
1379 allow_undefined_flag=unsupported
1380 archive_cmds='$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 $compiler_flags $objdir/$libname.def'
1381 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1384 osf3* | osf4*)
1385 if test "$with_gcc" = yes; then
1386 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1387 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1388 else
1389 allow_undefined_flag=' -expect_unresolved \*'
1390 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1392 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1393 hardcode_libdir_separator=:
1396 sco3.2v5*)
1397 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1398 hardcode_shlibpath_var=no
1399 runpath_var=LD_RUN_PATH
1400 hardcode_runpath_var=yes
1403 solaris*)
1404 no_undefined_flag=' -z text'
1405 # $CC -shared without GNU ld will not create a library from C++
1406 # object files and a static libstdc++, better avoid it by now
1407 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
1408 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1409 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
1410 hardcode_libdir_flag_spec='-R$libdir'
1411 hardcode_shlibpath_var=no
1412 case "$host_os" in
1413 solaris2.[0-5] | solaris2.[0-5].*) ;;
1414 *) # Supported since Solaris 2.6 (maybe 2.5.1?)
1415 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
1416 esac
1417 link_all_deplibs=yes
1420 sunos4*)
1421 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
1422 hardcode_libdir_flag_spec='-L$libdir'
1423 hardcode_direct=yes
1424 hardcode_minus_L=yes
1425 hardcode_shlibpath_var=no
1428 sysv4)
1429 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1430 runpath_var='LD_RUN_PATH'
1431 hardcode_shlibpath_var=no
1432 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1435 sysv4.3*)
1436 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1437 hardcode_shlibpath_var=no
1438 export_dynamic_flag_spec='-Bexport'
1441 uts4*)
1442 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1443 hardcode_libdir_flag_spec='-L$libdir'
1444 hardcode_shlibpath_var=no
1447 dgux*)
1448 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1449 hardcode_libdir_flag_spec='-L$libdir'
1450 hardcode_shlibpath_var=no
1453 sysv4*MP*)
1454 if test -d /usr/nec ;then
1455 # archive_cmds='$LD -G -z text -h $soname -o $lib$libobjs$deplibs'
1456 archive_cmds='$LD -G -h $soname -o $lib$libobjs$deplibs'
1457 hardcode_shlibpath_var=no
1458 runpath_var=LD_RUN_PATH
1459 hardcode_runpath_var=yes
1460 ld_shlibs=yes
1465 ld_shlibs=no
1467 esac
1469 echo "$ac_t$ld_shlibs" 1>&6
1470 test "$ld_shlibs" = no && can_build_shared=no
1472 if test -z "$NM"; then
1473 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1474 case "$NM" in
1475 [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
1477 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1478 for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1479 test -z "$ac_dir" && ac_dir=.
1480 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
1481 # Check to see if the nm accepts a BSD-compat flag.
1482 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1483 # nm: unknown option "B" ignored
1484 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1485 NM="$ac_dir/nm -B"
1486 break
1487 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1488 NM="$ac_dir/nm -p"
1489 break
1490 else
1491 NM=${NM="$ac_dir/nm"} # keep the first match, but
1492 continue # so that we can try to find one that supports BSD flags
1495 done
1496 IFS="$ac_save_ifs"
1497 test -z "$NM" && NM=nm
1499 esac
1500 echo "$ac_t$NM" 1>&6
1503 # Check for command to grab the raw symbol name followed by C symbol from nm.
1504 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1506 # These are sane defaults that work on at least a few old systems.
1507 # [They come from Ultrix. What could be older than Ultrix?!! ;)]
1509 # Character class describing NM global symbol codes.
1510 symcode='[BCDEGRST]'
1512 # Regexp to match symbols that can be accessed directly from C.
1513 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1515 # Transform the above into a raw symbol and a C symbol.
1516 symxfrm='\1 \2\3 \3'
1518 # Transform an extracted symbol line into a proper C declaration
1519 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1521 # Define system-specific variables.
1522 case "$host_os" in
1523 aix*)
1524 symcode='[BCDT]'
1526 cygwin* | mingw*)
1527 symcode='[ABCDGISTW]'
1529 hpux*) # Its linker distinguishes data from code symbols
1530 global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
1532 irix*)
1533 symcode='[BCDEGRST]'
1535 solaris*)
1536 symcode='[BDT]'
1538 sysv4)
1539 symcode='[DFNSTU]'
1541 esac
1543 # If we're using GNU nm, then use its standard symbol codes.
1544 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1545 symcode='[ABCDGISTW]'
1548 # Try without a prefix undercore, then with it.
1549 for ac_symprfx in "" "_"; do
1551 # Write the raw and C identifiers.
1552 global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1554 # Check to see that the pipe works correctly.
1555 pipe_works=no
1556 $rm conftest*
1557 cat > conftest.c <<EOF
1558 #ifdef __cplusplus
1559 extern "C" {
1560 #endif
1561 char nm_test_var;
1562 void nm_test_func(){}
1563 #ifdef __cplusplus
1565 #endif
1566 main(){nm_test_var='a';nm_test_func();return(0);}
1569 echo "$progname:1569: checking if global_symbol_pipe works" >&5
1570 if { (eval echo $progname:1570: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1571 # Now try to grab the symbols.
1572 nlist=conftest.nm
1573 if { echo "$progname:1573: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1575 # Try sorting and uniquifying the output.
1576 if sort "$nlist" | uniq > "$nlist"T; then
1577 mv -f "$nlist"T "$nlist"
1578 else
1579 rm -f "$nlist"T
1582 # Make sure that we snagged all the symbols we need.
1583 if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1584 if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1585 cat <<EOF > conftest.c
1586 #ifdef __cplusplus
1587 extern "C" {
1588 #endif
1591 # Now generate the symbol file.
1592 eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1594 cat <<EOF >> conftest.c
1595 #if defined (__STDC__) && __STDC__
1596 # define lt_ptr_t void *
1597 #else
1598 # define lt_ptr_t char *
1599 # define const
1600 #endif
1602 /* The mapping between symbol names and symbols. */
1603 const struct {
1604 const char *name;
1605 lt_ptr_t address;
1607 lt_preloaded_symbols[] =
1610 sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1611 cat <<\EOF >> conftest.c
1612 {0, (lt_ptr_t) 0}
1615 #ifdef __cplusplus
1617 #endif
1619 # Now try linking the two files.
1620 mv conftest.$objext conftstm.$objext
1621 save_LIBS="$LIBS"
1622 save_CFLAGS="$CFLAGS"
1623 LIBS="conftstm.$objext"
1624 CFLAGS="$CFLAGS$no_builtin_flag"
1625 if { (eval echo $progname:1625: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1626 pipe_works=yes
1627 else
1628 echo "$progname: failed program was:" >&5
1629 cat conftest.c >&5
1631 LIBS="$save_LIBS"
1632 else
1633 echo "cannot find nm_test_func in $nlist" >&5
1635 else
1636 echo "cannot find nm_test_var in $nlist" >&5
1638 else
1639 echo "cannot run $global_symbol_pipe" >&5
1641 else
1642 echo "$progname: failed program was:" >&5
1643 cat conftest.c >&5
1645 $rm conftest* conftst*
1647 # Do not use the global_symbol_pipe unless it works.
1648 if test "$pipe_works" = yes; then
1649 break
1650 else
1651 global_symbol_pipe=
1653 done
1654 if test "$pipe_works" = yes; then
1655 echo "${ac_t}ok" 1>&6
1656 else
1657 echo "${ac_t}failed" 1>&6
1660 if test -z "$global_symbol_pipe"; then
1661 global_symbol_to_cdecl=
1664 # Check hardcoding attributes.
1665 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1666 hardcode_action=
1667 if test -n "$hardcode_libdir_flag_spec" || \
1668 test -n "$runpath_var"; then
1670 # We can hardcode non-existant directories.
1671 if test "$hardcode_direct" != no &&
1672 # If the only mechanism to avoid hardcoding is shlibpath_var, we
1673 # have to relink, otherwise we might link with an installed library
1674 # when we should be linking with a yet-to-be-installed one
1675 ## test "$hardcode_shlibpath_var" != no &&
1676 test "$hardcode_minus_L" != no; then
1677 # Linking always hardcodes the temporary library directory.
1678 hardcode_action=relink
1679 else
1680 # We can link without hardcoding, and we can hardcode nonexisting dirs.
1681 hardcode_action=immediate
1683 else
1684 # We cannot hardcode anything, or else we can only hardcode existing
1685 # directories.
1686 hardcode_action=unsupported
1688 echo "$ac_t$hardcode_action" 1>&6
1691 reload_flag=
1692 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1693 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1694 # PORTME Some linkers may need a different reload flag.
1695 reload_flag='-r'
1696 echo "$ac_t$reload_flag" 1>&6
1697 test -n "$reload_flag" && reload_flag=" $reload_flag"
1699 # PORTME Fill in your ld.so characteristics
1700 library_names_spec=
1701 libname_spec='lib$name'
1702 soname_spec=
1703 postinstall_cmds=
1704 postuninstall_cmds=
1705 finish_cmds=
1706 finish_eval=
1707 shlibpath_var=
1708 shlibpath_overrides_runpath=unknown
1709 version_type=none
1710 dynamic_linker="$host_os ld.so"
1711 sys_lib_dlsearch_path_spec="/lib /usr/lib"
1712 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1713 file_magic_cmd=
1714 file_magic_test_file=
1715 deplibs_check_method='unknown'
1716 # Need to set the preceding variable on all platforms that support
1717 # interlibrary dependencies.
1718 # 'none' -- dependencies not supported.
1719 # `unknown' -- same as none, but documents that we really don't know.
1720 # 'pass_all' -- all dependencies passed with no checks.
1721 # 'test_compile' -- check by making test program.
1722 # 'file_magic [regex]' -- check by looking for files in library path
1723 # which responds to the $file_magic_cmd with a given egrep regex.
1724 # If you have `file' or equivalent on your system and you're not sure
1725 # whether `pass_all' will *always* work, you probably want this one.
1726 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1727 case "$host_os" in
1728 aix3*)
1729 version_type=linux
1730 library_names_spec='${libname}${release}.so$versuffix $libname.a'
1731 shlibpath_var=LIBPATH
1733 # AIX has no versioning support, so we append a major version to the name.
1734 soname_spec='${libname}${release}.so$major'
1737 aix4*)
1738 version_type=linux
1739 # AIX has no versioning support, so currently we can not hardcode correct
1740 # soname into executable. Probably we can add versioning support to
1741 # collect2, so additional links can be useful in future.
1742 # We preserve .a as extension for shared libraries though AIX4.2
1743 # and later linker supports .so
1744 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
1745 shlibpath_var=LIBPATH
1746 deplibs_check_method=pass_all
1749 amigaos*)
1750 library_names_spec='$libname.ixlibrary $libname.a'
1751 # Create ${libname}_ixlibrary.a entries in /sys/libs.
1752 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 ${libname}_ixlibrary.a) || exit 1; done'
1755 beos*)
1756 library_names_spec='${libname}.so'
1757 dynamic_linker="$host_os ld.so"
1758 shlibpath_var=LIBRARY_PATH
1759 deplibs_check_method=pass_all
1760 lt_cv_dlopen="load_add_on"
1761 lt_cv_dlopen_libs=
1762 lt_cv_dlopen_self=yes
1765 bsdi4*)
1766 version_type=linux
1767 library_names_spec='${libname}.so$major ${libname}.so'
1768 soname_spec='${libname}.so'
1769 finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
1770 shlibpath_var=LD_LIBRARY_PATH
1771 deplibs_check_method='file_magic ELF 32-bit LSB shared object'
1772 file_magic_cmd=/usr/bin/file
1773 file_magic_test_file=/shlib/libc.so
1774 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1775 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1776 # the default ld.so.conf also contains /usr/contrib/lib and
1777 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1778 # libtool to hard-code these into programs
1781 cygwin* | mingw*)
1782 version_type=windows
1783 if test "$with_gcc" = yes; then
1784 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll'
1785 else
1786 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1788 dynamic_linker='Win32 ld.exe'
1789 deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
1790 file_magic_cmd='${OBJDUMP} -f'
1791 need_lib_prefix=no
1792 # FIXME: first we should search . and the directory the executable is in
1793 shlibpath_var=PATH
1794 lt_cv_dlopen="LoadLibrary"
1795 lt_cv_dlopen_libs=
1798 freebsd1*)
1799 dynamic_linker=no
1802 freebsd*)
1803 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1804 version_type=freebsd-$objformat
1805 case "$version_type" in
1806 freebsd-elf*)
1807 deplibs_check_method=pass_all
1808 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1809 need_version=no
1810 need_lib_prefix=no
1812 freebsd-*)
1813 deplibs_check_method=unknown
1814 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1815 need_version=yes
1817 esac
1818 finish_cmds='PATH="\$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir'
1819 shlibpath_var=LD_LIBRARY_PATH
1822 gnu*)
1823 version_type=linux
1824 library_names_spec='${libname}${release}.so$versuffix ${libname}.so'
1825 shlibpath_var=LD_LIBRARY_PATH
1828 hpux9* | hpux10* | hpux11*)
1829 # Give a soname corresponding to the major version so that dld.sl refuses to
1830 # link against other versions.
1831 dynamic_linker="$host_os dld.sl"
1832 version_type=sunos
1833 need_lib_prefix=no
1834 need_version=no
1835 shlibpath_var=SHLIB_PATH
1836 shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
1837 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1838 soname_spec='${libname}${release}.sl$major'
1839 # HP-UX runs *really* slowly unless shared libraries are mode 555.
1840 postinstall_cmds='chmod 555 $lib'
1843 irix5* | irix6*)
1844 version_type=irix
1845 need_lib_prefix=no
1846 need_version=no
1847 soname_spec='${libname}${release}.so.$major'
1848 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
1849 case "$host_os" in
1850 irix5*)
1851 libsuff= shlibsuff=
1852 # this will be overridden with pass_all, but let us keep it just in case
1853 deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
1856 case "$LD" in # libtool.m4 will add one of these switches to LD
1857 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
1858 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
1859 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
1860 *) libsuff= shlibsuff= libmagic=never-match;;
1861 esac
1862 # this will be overridden with pass_all, but let us keep it just in case
1863 deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
1865 esac
1866 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
1867 shlibpath_overrides_runpath=no
1868 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
1869 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
1870 file_magic_cmd=/usr/bin/file
1871 file_magic_test_file=`echo /lib${libsuff}/libc.so*`
1872 deplibs_check_method='pass_all'
1875 # No shared lib support for Linux oldld, aout, or coff.
1876 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1877 dynamic_linker=no
1880 # This must be Linux ELF.
1881 linux-gnu*)
1882 version_type=linux
1883 need_lib_prefix=no
1884 need_version=no
1885 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1886 soname_spec='${libname}${release}.so$major'
1887 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1888 shlibpath_var=LD_LIBRARY_PATH
1889 shlibpath_overrides_runpath=no
1890 deplibs_check_method=pass_all
1892 if test -f /lib/ld.so.1; then
1893 dynamic_linker='GNU ld.so'
1894 else
1895 # Only the GNU ld.so supports shared libraries on MkLinux.
1896 case "$host_cpu" in
1897 powerpc*) dynamic_linker=no ;;
1898 *) dynamic_linker='Linux ld.so' ;;
1899 esac
1903 netbsd*)
1904 version_type=sunos
1905 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1906 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1907 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1908 dynamic_linker='NetBSD (a.out) ld.so'
1909 else
1910 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1911 soname_spec='${libname}${release}.so$major'
1912 dynamic_linker='NetBSD ld.elf_so'
1914 shlibpath_var=LD_LIBRARY_PATH
1917 openbsd*)
1918 version_type=sunos
1919 if test "$with_gnu_ld" = yes; then
1920 need_lib_prefix=no
1921 need_version=no
1923 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1924 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1925 shlibpath_var=LD_LIBRARY_PATH
1928 os2*)
1929 libname_spec='$name'
1930 need_lib_prefix=no
1931 library_names_spec='$libname.dll $libname.a'
1932 dynamic_linker='OS/2 ld.exe'
1933 shlibpath_var=LIBPATH
1936 osf3* | osf4*)
1937 version_type=osf
1938 need_version=no
1939 soname_spec='${libname}${release}.so'
1940 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1941 shlibpath_var=LD_LIBRARY_PATH
1942 # this will be overridden with pass_all, but let us keep it just in case
1943 deplibs_check_method='file_magic COFF format alpha shared library'
1944 file_magic_cmd=/usr/bin/file
1945 file_magic_test_file=/shlib/libc.so
1946 deplibs_check_method='pass_all'
1947 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
1948 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
1951 sco3.2v5*)
1952 version_type=osf
1953 soname_spec='${libname}${release}.so$major'
1954 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1955 shlibpath_var=LD_LIBRARY_PATH
1958 solaris*)
1959 version_type=linux
1960 need_lib_prefix=no
1961 need_version=no
1962 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1963 soname_spec='${libname}${release}.so$major'
1964 shlibpath_var=LD_LIBRARY_PATH
1965 shlibpath_overrides_runpath=yes
1966 # ldd complains unless libraries are executable
1967 postinstall_cmds='chmod +x $lib'
1968 deplibs_check_method=pass_all
1969 file_magic_cmd=/usr/bin/file
1970 file_magic_test_file=/lib/libc.so
1973 sunos4*)
1974 version_type=sunos
1975 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1976 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1977 shlibpath_var=LD_LIBRARY_PATH
1978 shlibpath_overrides_runpath=yes
1979 if test "$with_gnu_ld" = yes; then
1980 need_lib_prefix=no
1982 need_version=yes
1985 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
1986 version_type=linux
1987 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1988 soname_spec='${libname}${release}.so$major'
1989 shlibpath_var=LD_LIBRARY_PATH
1990 case "$host_vendor" in
1991 ncr)
1992 deplibs_check_method='pass_all'
1994 motorola)
1995 need_lib_prefix=no
1996 need_version=no
1997 shlibpath_overrides_runpath=no
1998 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
1999 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
2000 file_magic_cmd=/usr/bin/file
2001 file_magic_test_file=`echo /usr/lib/libc.so*`
2003 esac
2006 uts4*)
2007 version_type=linux
2008 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2009 soname_spec='${libname}${release}.so$major'
2010 shlibpath_var=LD_LIBRARY_PATH
2013 dgux*)
2014 version_type=linux
2015 need_lib_prefix=no
2016 need_version=no
2017 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2018 soname_spec='${libname}${release}.so$major'
2019 shlibpath_var=LD_LIBRARY_PATH
2022 sysv4*MP*)
2023 if test -d /usr/nec ;then
2024 version_type=linux
2025 library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
2026 soname_spec='$libname.so.$major'
2027 shlibpath_var=LD_LIBRARY_PATH
2032 dynamic_linker=no
2034 esac
2035 echo "$ac_t$dynamic_linker" 1>&6
2036 test "$dynamic_linker" = no && can_build_shared=no
2038 # Report the final consequences.
2039 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
2041 # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
2042 # configure.in, otherwise build static only libraries.
2043 case "$host_os" in
2044 cygwin* | mingw* | os2*)
2045 if test x$can_build_shared = xyes; then
2046 test x$enable_win32_dll = xno && can_build_shared=no
2047 echo "checking if package supports dlls... $can_build_shared" 1>&6
2050 esac
2052 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
2053 case "$deplibs_check_method" in
2054 "file_magic "*)
2055 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
2056 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
2057 egrep "$file_magic_regex" > /dev/null; then
2059 else
2060 cat <<EOF 1>&2
2062 *** Warning: the command libtool uses to detect shared libraries,
2063 *** $file_magic_cmd, produces output that libtool cannot recognize.
2064 *** The result is that libtool may fail to recognize shared libraries
2065 *** as such. This will affect the creation of libtool libraries that
2066 *** depend on shared libraries, but programs linked with such libtool
2067 *** libraries will work regardless of this problem. Nevertheless, you
2068 *** may want to report the problem to your system manager and/or to
2069 *** bug-libtool@gnu.org
2072 fi ;;
2073 esac
2076 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
2077 test "$can_build_shared" = "no" && enable_shared=no
2079 # On AIX, shared libraries and static libraries use the same namespace, and
2080 # are all built from PIC.
2081 case "$host_os" in
2082 aix3*)
2083 test "$enable_shared" = yes && enable_static=no
2084 if test -n "$RANLIB"; then
2085 archive_cmds="$archive_cmds~\$RANLIB \$lib"
2086 postinstall_cmds='$RANLIB $lib'
2090 aix4*)
2091 test "$enable_shared" = yes && enable_static=no
2093 esac
2095 echo "$ac_t$enable_shared" 1>&6
2097 # Make sure either enable_shared or enable_static is yes.
2098 test "$enable_shared" = yes || enable_static=yes
2100 echo "checking whether to build static libraries... $enable_static" 1>&6
2102 if test "$hardcode_action" = relink; then
2103 # Fast installation is not supported
2104 enable_fast_install=no
2105 elif test "$shlibpath_overrides_runpath" = yes ||
2106 test "$enable_shared" = no; then
2107 # Fast installation is not necessary
2108 enable_fast_install=needless
2111 echo $ac_n "checking for objdir... $ac_c" 1>&6
2112 rm -f .libs 2>/dev/null
2113 mkdir .libs 2>/dev/null
2114 if test -d .libs; then
2115 objdir=.libs
2116 else
2117 # MS-DOS does not allow filenames that begin with a dot.
2118 objdir=_libs
2120 rmdir .libs 2>/dev/null
2121 echo "$ac_t$objdir" 1>&6
2123 if test "x$enable_dlopen" != xyes; then
2124 enable_dlopen=unknown
2125 enable_dlopen_self=unknown
2126 enable_dlopen_self_static=unknown
2127 else
2128 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
2129 lt_cv_dlopen=no lt_cv_dlopen_libs=
2130 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
2131 echo "$progname:2131: checking for dlopen in -ldl" >&5
2132 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
2133 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2134 echo $ac_n "(cached) $ac_c" 1>&6
2135 else
2136 ac_save_LIBS="$LIBS"
2137 LIBS="-ldl $LIBS"
2138 cat > conftest.$ac_ext <<EOF
2139 #line 2139 "ltconfig"
2140 /* Override any gcc2 internal prototype to avoid an error. */
2141 /* We use char because int might match the return type of a gcc2
2142 builtin and then its argument prototype would still apply. */
2143 #ifdef __cplusplus
2144 extern "C" {
2145 #endif
2146 char dlopen();
2147 #ifdef __cplusplus
2149 #endif
2150 int main() {
2151 dlopen()
2152 ; return 0; }
2154 if { (eval echo $progname:2149: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2155 rm -rf conftest*
2156 eval "ac_cv_lib_$ac_lib_var=yes"
2157 else
2158 echo "$progname: failed program was:" >&5
2159 cat conftest.$ac_ext >&5
2160 rm -rf conftest*
2161 eval "ac_cv_lib_$ac_lib_var=no"
2163 rm -f conftest*
2164 LIBS="$ac_save_LIBS"
2167 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2168 echo "$ac_t""yes" 1>&6
2169 lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
2170 else
2171 echo "$ac_t""no" 1>&6
2172 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
2173 echo "$progname:2168: checking for dlopen" >&5
2174 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
2175 echo $ac_n "(cached) $ac_c" 1>&6
2176 else
2177 cat > conftest.$ac_ext <<EOF
2178 #line 2173 "ltconfig"
2179 /* System header to define __stub macros and hopefully few prototypes,
2180 which can conflict with char dlopen(); below. */
2181 #include <assert.h>
2182 /* Override any gcc2 internal prototype to avoid an error. */
2183 /* We use char because int might match the return type of a gcc2
2184 builtin and then its argument prototype would still apply. */
2185 #ifdef __cplusplus
2186 extern "C" {
2187 #endif
2188 char dlopen();
2189 #ifdef __cplusplus
2191 #endif
2193 int main() {
2195 /* The GNU C library defines this for functions which it implements
2196 to always fail with ENOSYS. Some functions are actually named
2197 something starting with __ and the normal name is an alias. */
2198 #if defined (__stub_dlopen) || defined (__stub___dlopen)
2199 choke me
2200 #else
2201 dlopen();
2202 #endif
2204 ; return 0; }
2206 if { (eval echo $progname:2195: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2207 rm -rf conftest*
2208 eval "ac_cv_func_dlopen=yes"
2209 else
2210 echo "$progname: failed program was:" >&5
2211 cat conftest.$ac_ext >&5
2212 rm -rf conftest*
2213 eval "ac_cv_func_dlopen=no"
2215 rm -f conftest*
2217 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
2218 echo "$ac_t""yes" 1>&6
2219 lt_cv_dlopen="dlopen"
2220 else
2221 echo "$ac_t""no" 1>&6
2222 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
2223 echo "$progname:2212: checking for dld_link in -ldld" >&5
2224 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
2225 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2226 echo $ac_n "(cached) $ac_c" 1>&6
2227 else
2228 ac_save_LIBS="$LIBS"
2229 LIBS="-ldld $LIBS"
2230 cat > conftest.$ac_ext <<EOF
2231 #line 2220 "ltconfig"
2232 /* Override any gcc2 internal prototype to avoid an error. */
2233 /* We use char because int might match the return type of a gcc2
2234 builtin and then its argument prototype would still apply. */
2235 char dld_link();
2237 int main() {
2238 dld_link()
2239 ; return 0; }
2241 if { (eval echo $progname:2230: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2242 rm -rf conftest*
2243 eval "ac_cv_lib_$ac_lib_var=yes"
2244 else
2245 echo "$progname: failed program was:" >&5
2246 cat conftest.$ac_ext >&5
2247 rm -rf conftest*
2248 eval "ac_cv_lib_$ac_lib_var=no"
2250 rm -f conftest*
2251 LIBS="$ac_save_LIBS"
2254 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2255 echo "$ac_t""yes" 1>&6
2256 lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
2257 else
2258 echo "$ac_t""no" 1>&6
2259 echo $ac_n "checking for shl_load""... $ac_c" 1>&6
2260 echo "$progname:2249: checking for shl_load" >&5
2261 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
2262 echo $ac_n "(cached) $ac_c" 1>&6
2263 else
2264 cat > conftest.$ac_ext <<EOF
2265 #line 2254 "ltconfig"
2266 /* System header to define __stub macros and hopefully few prototypes,
2267 which can conflict with char shl_load(); below. */
2268 #include <assert.h>
2269 /* Override any gcc2 internal prototype to avoid an error. */
2270 /* We use char because int might match the return type of a gcc2
2271 builtin and then its argument prototype would still apply. */
2272 char shl_load();
2274 int main() {
2276 /* The GNU C library defines this for functions which it implements
2277 to always fail with ENOSYS. Some functions are actually named
2278 something starting with __ and the normal name is an alias. */
2279 #if defined (__stub_shl_load) || defined (__stub___shl_load)
2280 choke me
2281 #else
2282 shl_load();
2283 #endif
2285 ; return 0; }
2287 if { (eval echo $progname:2276: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2288 rm -rf conftest*
2289 eval "ac_cv_func_shl_load=yes"
2290 else
2291 echo "$progname: failed program was:" >&5
2292 cat conftest.$ac_ext >&5
2293 rm -rf conftest*
2294 eval "ac_cv_func_shl_load=no"
2296 rm -f conftest*
2299 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
2300 echo "$ac_t""yes" 1>&6
2301 lt_cv_dlopen="shl_load"
2302 else
2303 echo "$ac_t""no" 1>&6
2304 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
2305 echo "$progname:2294: checking for shl_load in -ldld" >&5
2306 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
2307 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2308 echo $ac_n "(cached) $ac_c" 1>&6
2309 else
2310 ac_save_LIBS="$LIBS"
2311 LIBS="-ldld $LIBS"
2312 cat > conftest.$ac_ext <<EOF
2313 #line 2302 "ltconfig"
2314 #include "confdefs.h"
2315 /* Override any gcc2 internal prototype to avoid an error. */
2316 /* We use char because int might match the return type of a gcc2
2317 builtin and then its argument prototype would still apply. */
2318 char shl_load();
2320 int main() {
2321 shl_load()
2322 ; return 0; }
2324 if { (eval echo $progname:2313: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2325 rm -rf conftest*
2326 eval "ac_cv_lib_$ac_lib_var=yes"
2327 else
2328 echo "$progname: failed program was:" >&5
2329 cat conftest.$ac_ext >&5
2330 rm -rf conftest*
2331 eval "ac_cv_lib_$ac_lib_var=no"
2333 rm -f conftest*
2334 LIBS="$ac_save_LIBS"
2337 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2338 echo "$ac_t""yes" 1>&6
2339 lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
2340 else
2341 echo "$ac_t""no" 1>&6
2358 if test "x$lt_cv_dlopen" != xno; then
2359 enable_dlopen=yes
2362 case "$lt_cv_dlopen" in
2363 dlopen)
2364 for ac_hdr in dlfcn.h; do
2365 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
2366 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
2367 echo "$progname:2356: checking for $ac_hdr" >&5
2368 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
2369 echo $ac_n "(cached) $ac_c" 1>&6
2370 else
2371 cat > conftest.$ac_ext <<EOF
2372 #line 2361 "ltconfig"
2373 #include <$ac_hdr>
2374 int fnord = 0;
2376 ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out"
2377 { (eval echo $progname:2366: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
2378 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
2379 if test -z "$ac_err"; then
2380 rm -rf conftest*
2381 eval "ac_cv_header_$ac_safe=yes"
2382 else
2383 echo "$ac_err" >&5
2384 echo "$progname: failed program was:" >&5
2385 cat conftest.$ac_ext >&5
2386 rm -rf conftest*
2387 eval "ac_cv_header_$ac_safe=no"
2389 rm -f conftest*
2391 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
2392 echo "$ac_t""yes" 1>&6
2393 else
2394 echo "$ac_t""no" 1>&6
2396 done
2398 if test "x$ac_cv_header_dlfcn_h" = xyes; then
2399 CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2401 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2402 LIBS="$lt_cv_dlopen_libs $LIBS"
2404 echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
2405 echo "$progname:2394: checking whether a program can dlopen itself" >&5
2406 if test "${lt_cv_dlopen_self+set}" = set; then
2407 echo $ac_n "(cached) $ac_c" 1>&6
2408 else
2409 if test "$cross_compiling" = yes; then
2410 lt_cv_dlopen_self=cross
2411 else
2412 cat > conftest.c <<EOF
2413 #line 2402 "ltconfig"
2415 #if HAVE_DLFCN_H
2416 #include <dlfcn.h>
2417 #endif
2419 #include <stdio.h>
2421 #ifdef RTLD_GLOBAL
2422 # define LTDL_GLOBAL RTLD_GLOBAL
2423 #else
2424 # ifdef DL_GLOBAL
2425 # define LTDL_GLOBAL DL_GLOBAL
2426 # else
2427 # define LTDL_GLOBAL 0
2428 # endif
2429 #endif
2431 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2432 find out it does not work in some platform. */
2433 #ifndef LTDL_LAZY_OR_NOW
2434 # ifdef RTLD_LAZY
2435 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2436 # else
2437 # ifdef DL_LAZY
2438 # define LTDL_LAZY_OR_NOW DL_LAZY
2439 # else
2440 # ifdef RTLD_NOW
2441 # define LTDL_LAZY_OR_NOW RTLD_NOW
2442 # else
2443 # ifdef DL_NOW
2444 # define LTDL_LAZY_OR_NOW DL_NOW
2445 # else
2446 # define LTDL_LAZY_OR_NOW 0
2447 # endif
2448 # endif
2449 # endif
2450 # endif
2451 #endif
2453 fnord() { int i=42;}
2454 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2455 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2456 if(ptr1 || ptr2) exit(0); } exit(1); }
2459 if { (eval echo $progname:2448: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2460 then
2461 lt_cv_dlopen_self=yes
2462 else
2463 echo "$progname: failed program was:" >&5
2464 cat conftest.$ac_ext >&5
2465 rm -fr conftest*
2466 lt_cv_dlopen_self=no
2468 rm -fr conftest*
2473 echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2475 if test "$lt_cv_dlopen_self" = yes; then
2476 LDFLAGS="$LDFLAGS $link_static_flag"
2477 echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
2478 echo "$progname:2467: checking whether a statically linked program can dlopen itself" >&5
2479 if test "${lt_cv_dlopen_self_static+set}" = set; then
2480 echo $ac_n "(cached) $ac_c" 1>&6
2481 else
2482 if test "$cross_compiling" = yes; then
2483 lt_cv_dlopen_self_static=cross
2484 else
2485 cat > conftest.c <<EOF
2486 #line 2475 "ltconfig"
2488 #if HAVE_DLFCN_H
2489 #include <dlfcn.h>
2490 #endif
2492 #include <stdio.h>
2494 #ifdef RTLD_GLOBAL
2495 # define LTDL_GLOBAL RTLD_GLOBAL
2496 #else
2497 # ifdef DL_GLOBAL
2498 # define LTDL_GLOBAL DL_GLOBAL
2499 # else
2500 # define LTDL_GLOBAL 0
2501 # endif
2502 #endif
2504 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2505 find out it does not work in some platform. */
2506 #ifndef LTDL_LAZY_OR_NOW
2507 # ifdef RTLD_LAZY
2508 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2509 # else
2510 # ifdef DL_LAZY
2511 # define LTDL_LAZY_OR_NOW DL_LAZY
2512 # else
2513 # ifdef RTLD_NOW
2514 # define LTDL_LAZY_OR_NOW RTLD_NOW
2515 # else
2516 # ifdef DL_NOW
2517 # define LTDL_LAZY_OR_NOW DL_NOW
2518 # else
2519 # define LTDL_LAZY_OR_NOW 0
2520 # endif
2521 # endif
2522 # endif
2523 # endif
2524 #endif
2526 fnord() { int i=42;}
2527 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2528 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2529 if(ptr1 || ptr2) exit(0); } exit(1); }
2532 if { (eval echo $progname:2521: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2533 then
2534 lt_cv_dlopen_self_static=yes
2535 else
2536 echo "$progname: failed program was:" >&5
2537 cat conftest.$ac_ext >&5
2538 rm -fr conftest*
2539 lt_cv_dlopen_self_static=no
2541 rm -fr conftest*
2546 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2549 esac
2551 case "$lt_cv_dlopen_self" in
2552 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2553 *) enable_dlopen_self=unknown ;;
2554 esac
2556 case "$lt_cv_dlopen_self_static" in
2557 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2558 *) enable_dlopen_self_static=unknown ;;
2559 esac
2562 # Copy echo and quote the copy, instead of the original, because it is
2563 # used later.
2564 ltecho="$echo"
2565 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2566 ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2568 LTSHELL="$SHELL"
2570 LTCONFIG_VERSION="$VERSION"
2572 # Only quote variables if we're using ltmain.sh.
2573 case "$ltmain" in
2574 *.sh)
2575 # Now quote all the things that may contain metacharacters.
2576 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
2577 old_LD old_LDFLAGS old_LIBS \
2578 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
2579 AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
2580 reload_flag reload_cmds wl \
2581 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2582 thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2583 library_names_spec soname_spec \
2584 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2585 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds \
2586 postuninstall_cmds extract_expsyms_cmds old_archive_from_expsyms_cmds \
2587 file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2588 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2589 hardcode_libdir_flag_spec hardcode_libdir_separator \
2590 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2591 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2593 case "$var" in
2594 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2595 old_postinstall_cmds | old_postuninstall_cmds | \
2596 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2597 extract_expsyms_cmds | old_archive_from_expsyms_cmds | \
2598 postinstall_cmds | postuninstall_cmds | \
2599 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2600 # Double-quote double-evaled strings.
2601 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2604 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2606 esac
2607 done
2609 case "$ltecho" in
2610 *'\$0 --fallback-echo"')
2611 ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
2613 esac
2615 trap "$rm \"$ofile\"; exit 1" 1 2 15
2616 echo "creating $ofile"
2617 $rm "$ofile"
2618 cat <<EOF > "$ofile"
2619 #! $SHELL
2621 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2622 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2623 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2625 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
2626 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2628 # This program is free software; you can redistribute it and/or modify
2629 # it under the terms of the GNU General Public License as published by
2630 # the Free Software Foundation; either version 2 of the License, or
2631 # (at your option) any later version.
2633 # This program is distributed in the hope that it will be useful, but
2634 # WITHOUT ANY WARRANTY; without even the implied warranty of
2635 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2636 # General Public License for more details.
2638 # You should have received a copy of the GNU General Public License
2639 # along with this program; if not, write to the Free Software
2640 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2642 # As a special exception to the GNU General Public License, if you
2643 # distribute this file as part of a program that contains a
2644 # configuration script generated by Autoconf, you may include it under
2645 # the same distribution terms that you use for the rest of that program.
2647 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
2648 Xsed="sed -e s/^X//"
2650 # The HP-UX ksh and POSIX shell print the target directory to stdout
2651 # if CDPATH is set.
2652 if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
2654 ### BEGIN LIBTOOL CONFIG
2656 cfgfile="$ofile"
2660 # Double-quote the variables that need it (for aesthetics).
2661 for var in old_CC old_CFLAGS old_CPPFLAGS \
2662 old_LD old_LDFLAGS old_LIBS \
2663 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
2664 eval "$var=\\\"\$var\\\""
2665 done
2667 # Just create a config file.
2668 cfgfile="$ofile.cfg"
2669 trap "$rm \"$cfgfile\"; exit 1" 1 2 15
2670 echo "creating $cfgfile"
2671 $rm "$cfgfile"
2672 cat <<EOF > "$cfgfile"
2673 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
2674 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2677 esac
2679 cat <<EOF >> "$cfgfile"
2680 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2682 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2683 # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
2684 # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
2685 # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
2686 # $0$ltconfig_args
2688 # Compiler and other test output produced by $progname, useful for
2689 # debugging $progname, is in ./config.log if it exists.
2691 # The version of $progname that generated this script.
2692 LTCONFIG_VERSION=$LTCONFIG_VERSION
2694 # Shell to use when invoking shell scripts.
2695 SHELL=$LTSHELL
2697 # Whether or not to build shared libraries.
2698 build_libtool_libs=$enable_shared
2700 # Whether or not to build static libraries.
2701 build_old_libs=$enable_static
2703 # Whether or not to optimize for fast installation.
2704 fast_install=$enable_fast_install
2706 # The host system.
2707 host_alias=$host_alias
2708 host=$host
2710 # An echo program that does not interpret backslashes.
2711 echo=$ltecho
2713 # The archiver.
2714 AR=$AR
2716 # The default C compiler.
2717 CC=$CC
2719 # The linker used to build libraries.
2720 LD=$LD
2722 # Whether we need hard or soft links.
2723 LN_S=$LN_S
2725 # A BSD-compatible nm program.
2726 NM=$NM
2728 # Used on cygwin: DLL creation program.
2729 DLLTOOL="$DLLTOOL"
2731 # Used on cygwin: object dumper.
2732 OBJDUMP="$OBJDUMP"
2734 # Used on cygwin: assembler.
2735 AS="$AS"
2737 # The name of the directory that contains temporary libtool files.
2738 objdir=$objdir
2740 # How to create reloadable object files.
2741 reload_flag=$reload_flag
2742 reload_cmds=$reload_cmds
2744 # How to pass a linker flag through the compiler.
2745 wl=$wl
2747 # Object file suffix (normally "o").
2748 objext="$objext"
2750 # Old archive suffix (normally "a").
2751 libext="$libext"
2753 # Additional compiler flags for building library objects.
2754 pic_flag=$pic_flag
2756 # Does compiler simultaneously support -c and -o options?
2757 compiler_c_o=$compiler_c_o
2759 # Can we write directly to a .lo ?
2760 compiler_o_lo=$compiler_o_lo
2762 # Must we lock files when doing compilation ?
2763 need_locks=$need_locks
2765 # Do we need the lib prefix for modules?
2766 need_lib_prefix=$need_lib_prefix
2768 # Do we need a version for libraries?
2769 need_version=$need_version
2771 # Whether dlopen is supported.
2772 dlopen=$enable_dlopen
2774 # Whether dlopen of programs is supported.
2775 dlopen_self=$enable_dlopen_self
2777 # Whether dlopen of statically linked programs is supported.
2778 dlopen_self_static=$enable_dlopen_self_static
2780 # Compiler flag to prevent dynamic linking.
2781 link_static_flag=$link_static_flag
2783 # Compiler flag to turn off builtin functions.
2784 no_builtin_flag=$no_builtin_flag
2786 # Compiler flag to allow reflexive dlopens.
2787 export_dynamic_flag_spec=$export_dynamic_flag_spec
2789 # Compiler flag to generate shared objects directly from archives.
2790 whole_archive_flag_spec=$whole_archive_flag_spec
2792 # Compiler flag to generate thread-safe objects.
2793 thread_safe_flag_spec=$thread_safe_flag_spec
2795 # Library versioning type.
2796 version_type=$version_type
2798 # Format of library name prefix.
2799 libname_spec=$libname_spec
2801 # List of archive names. First name is the real one, the rest are links.
2802 # The last name is the one that the linker finds with -lNAME.
2803 library_names_spec=$library_names_spec
2805 # The coded name of the library, if different from the real name.
2806 soname_spec=$soname_spec
2808 # Commands used to build and install an old-style archive.
2809 RANLIB=$RANLIB
2810 old_archive_cmds=$old_archive_cmds
2811 old_postinstall_cmds=$old_postinstall_cmds
2812 old_postuninstall_cmds=$old_postuninstall_cmds
2814 # Create an old-style archive from a shared archive.
2815 old_archive_from_new_cmds=$old_archive_from_new_cmds
2817 # Create a temporary old-style archive to link instead of a shared archive.
2818 old_archive_from_expsyms_cmds=$old_archive_from_expsyms_cmds
2820 # Commands used to build and install a shared archive.
2821 archive_cmds=$archive_cmds
2822 archive_expsym_cmds=$archive_expsym_cmds
2823 postinstall_cmds=$postinstall_cmds
2824 postuninstall_cmds=$postuninstall_cmds
2826 # Method to check whether dependent libraries are shared objects.
2827 deplibs_check_method=$deplibs_check_method
2829 # Command to use when deplibs_check_method == file_magic.
2830 file_magic_cmd=$file_magic_cmd
2832 # Flag that allows shared libraries with undefined symbols to be built.
2833 allow_undefined_flag=$allow_undefined_flag
2835 # Flag that forces no undefined symbols.
2836 no_undefined_flag=$no_undefined_flag
2838 # Commands used to finish a libtool library installation in a directory.
2839 finish_cmds=$finish_cmds
2841 # Same as above, but a single script fragment to be evaled but not shown.
2842 finish_eval=$finish_eval
2844 # Take the output of nm and produce a listing of raw symbols and C names.
2845 global_symbol_pipe=$global_symbol_pipe
2847 # Transform the output of nm in a proper C declaration
2848 global_symbol_to_cdecl=$global_symbol_to_cdecl
2850 # This is the shared library runtime path variable.
2851 runpath_var=$runpath_var
2853 # This is the shared library path variable.
2854 shlibpath_var=$shlibpath_var
2856 # Is shlibpath searched before the hard-coded library search path?
2857 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2859 # How to hardcode a shared library path into an executable.
2860 hardcode_action=$hardcode_action
2862 # Flag to hardcode \$libdir into a binary during linking.
2863 # This must work even if \$libdir does not exist.
2864 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
2866 # Whether we need a single -rpath flag with a separated argument.
2867 hardcode_libdir_separator=$hardcode_libdir_separator
2869 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2870 # resulting binary.
2871 hardcode_direct=$hardcode_direct
2873 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2874 # resulting binary.
2875 hardcode_minus_L=$hardcode_minus_L
2877 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2878 # the resulting binary.
2879 hardcode_shlibpath_var=$hardcode_shlibpath_var
2881 # Whether libtool must link a program against all its dependency libraries.
2882 link_all_deplibs=$link_all_deplibs
2884 # Compile-time system search path for libraries
2885 sys_lib_search_path_spec=$sys_lib_search_path_spec
2887 # Run-time system search path for libraries
2888 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
2890 # Fix the shell variable \$srcfile for the compiler.
2891 fix_srcfile_path="$fix_srcfile_path"
2893 # Set to yes if exported symbols are required.
2894 always_export_symbols=$always_export_symbols
2896 # The commands to list exported symbols.
2897 export_symbols_cmds=$export_symbols_cmds
2899 # The commands to extract the exported symbol list from a shared archive.
2900 extract_expsyms_cmds=$extract_expsyms_cmds
2902 # Symbols that should not be listed in the preloaded symbols.
2903 exclude_expsyms=$exclude_expsyms
2905 # Symbols that must always be exported.
2906 include_expsyms=$include_expsyms
2910 case "$ltmain" in
2911 *.sh)
2912 echo '### END LIBTOOL CONFIG' >> "$ofile"
2913 echo >> "$ofile"
2914 case "$host_os" in
2915 aix3*)
2916 cat <<\EOF >> "$ofile"
2918 # AIX sometimes has problems with the GCC collect2 program. For some
2919 # reason, if we set the COLLECT_NAMES environment variable, the problems
2920 # vanish in a puff of smoke.
2921 if test "${COLLECT_NAMES+set}" != set; then
2922 COLLECT_NAMES=
2923 export COLLECT_NAMES
2927 esac
2929 # Append the ltmain.sh script.
2930 cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
2932 chmod +x "$ofile"
2936 # Compile the libtool program.
2937 echo "FIXME: would compile $ltmain"
2939 esac
2941 test -n "$cache_file" || exit 0
2943 # AC_CACHE_SAVE
2944 trap '' 1 2 15
2945 cat > confcache <<\EOF
2946 # This file is a shell script that caches the results of configure
2947 # tests run on this system so they can be shared between configure
2948 # scripts and configure runs. It is not useful on other systems.
2949 # If it contains results you don't want to keep, you may remove or edit it.
2951 # By default, configure uses ./config.cache as the cache file,
2952 # creating it if it does not exist already. You can give configure
2953 # the --cache-file=FILE option to use a different cache file; that is
2954 # what configure does when it calls configure scripts in
2955 # subdirectories, so they share the cache.
2956 # Giving --cache-file=/dev/null disables caching, for debugging configure.
2957 # config.status only pays attention to the cache file if you give it the
2958 # --recheck option to rerun configure.
2961 # The following way of writing the cache mishandles newlines in values,
2962 # but we know of no workaround that is simple, portable, and efficient.
2963 # So, don't put newlines in cache variables' values.
2964 # Ultrix sh set writes to stderr and can't be redirected directly,
2965 # and sets the high bit in the cache file unless we assign to the vars.
2966 (set) 2>&1 |
2967 case `(ac_space=' '; set | grep ac_space) 2>&1` in
2968 *ac_space=\ *)
2969 # `set' does not quote correctly, so add quotes (double-quote substitution
2970 # turns \\\\ into \\, and sed turns \\ into \).
2971 sed -n \
2972 -e "s/'/'\\\\''/g" \
2973 -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
2976 # `set' quotes correctly as required by POSIX, so do not add quotes.
2977 sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
2979 esac >> confcache
2980 if cmp -s $cache_file confcache; then
2982 else
2983 if test -w $cache_file; then
2984 echo "updating cache $cache_file"
2985 cat confcache > $cache_file
2986 else
2987 echo "not updating unwritable cache $cache_file"
2990 rm -f confcache
2992 exit 0
2994 # Local Variables:
2995 # mode:shell-script
2996 # sh-indentation:2
2997 # End: