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1 #! /bin/sh
2
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
6 #
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.
11 #
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.
16 #
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.
20 #
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.
25
26 # A lot of this script is taken from autoconf-2.10.
27
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$1" = X--fallback-echo; then
35 # Avoid inline document here, it may be left over
36 :
37 elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
38 # Yippee, $echo works!
39 :
40 else
41 # Restart under the correct shell.
42 exec "$SHELL" "$0" --no-reexec ${1+"$@"}
43 fi
44
45 if test "X$1" = X--fallback-echo; then
46 # used as fallback echo
47 shift
48 cat <<EOF
49 $*
50 EOF
51 exit 0
52 fi
53
54 # Find the correct PATH separator. Usually this is `:', but
55 # DJGPP uses `;' like DOS.
56 if test "X${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
62 fi
63
64 # The HP-UX ksh and POSIX shell print the target directory to stdout
65 # if CDPATH is set.
66 if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
67
68 if test "X${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$echo_test_string") 2>/dev/null; then
75 break
76 fi
77 done
78 fi
79
80 if test "X`($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'
85 #
86 # So, first we look for a working echo in the user's PATH.
87
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="$dir/echo"
94 break
95 fi
96 done
97 IFS="$save_ifs"
98
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
119 :
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=:
133
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 $cmd`") 2>/dev/null; then
136 break
137 fi
138 prev="$cmd"
139 done
140
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
148 fi
149 fi
150 fi
151 fi
152 fi
153
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'
158
159 # Same as above, but do not quote variable references.
160 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
161
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'
165
166 # The name of this program.
167 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
168
169 # Constants:
170 PROGRAM=ltconfig
171 PACKAGE=libtool
172 VERSION=1.3
173 TIMESTAMP=" (1.385.2.117 1999/04/29 13:07:13)"
174 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5'
175 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5'
176 rm="rm -f"
177
178 help="Try \`$progname --help' for more information."
179
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="$default_ofile"
197 verify_host=yes
198 with_gcc=no
199 with_gnu_ld=no
200 need_locks=yes
201 ac_ext=c
202 objext=o
203 libext=a
204 cache_file=
205
206 old_AR="$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"
219
220 # Parse the command line options.
221 args=
222 prev=
223 for option
224 do
225 case "$option" in
226 -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
227 *) optarg= ;;
228 esac
229
230 # If the previous option needs an argument, assign it.
231 if test -n "$prev"; then
232 eval "$prev=\$option"
233 prev=
234 continue
235 fi
236
237 case "$option" in
238 --help) cat <<EOM
239 Usage: $progname [OPTION]... [HOST [LTMAIN]]
240
241 Generate a system-specific libtool script.
242
243 --debug enable verbose shell tracing
244 --disable-shared do not build shared libraries
245 --disable-static do not build static libraries
246 --disable-fast-install do not optimize for fast installation
247 --enable-dlopen enable dlopen support
248 --enable-win32-dll enable building dlls on win32 hosts
249 --help display this help and exit
250 --no-verify do not verify that HOST is a valid host type
251 -o, --output=FILE specify the output file [default=$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
260
261 LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
262 that provides basic libtool functionality.
263
264 HOST is the canonical host system name [default=guessed].
265 EOM
266 exit 0
267 ;;
268
269 --debug)
270 echo "$progname: enabling shell trace mode"
271 set -x
272 ;;
273
274 --disable-shared) enable_shared=no ;;
275
276 --disable-static) enable_static=no ;;
277
278 --disable-fast-install) enable_fast_install=no ;;
279
280 --enable-dlopen) enable_dlopen=yes ;;
281
282 --enable-win32-dll) enable_win32_dll=yes ;;
283
284 --quiet | --silent) silent=yes ;;
285
286 --srcdir) prev=srcdir ;;
287 --srcdir=*) srcdir="$optarg" ;;
288
289 --no-verify) verify_host=no ;;
290
291 --output | -o) prev=ofile ;;
292 --output=*) ofile="$optarg" ;;
293
294 --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
295
296 --with-gcc) with_gcc=yes ;;
297 --with-gnu-ld) with_gnu_ld=yes ;;
298
299 --disable-lock) need_locks=no ;;
300
301 --cache-file=*) cache_file="$optarg" ;;
302
303 -*)
304 echo "$progname: unrecognized option \`$option'" 1>&2
305 echo "$help" 1>&2
306 exit 1
307 ;;
308
309 *)
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
325
326 if test -z "$ltmain"; then
327 echo "$progname: you must specify a LTMAIN file" 1>&2
328 echo "$help" 1>&2
329 exit 1
330 fi
331
332 if test ! -f "$ltmain"; then
333 echo "$progname: \`$ltmain' does not exist" 1>&2
334 echo "$help" 1>&2
335 exit 1
336 fi
337
338 # Quote any args containing shell metacharacters.
339 ltconfig_args=
340 for arg
341 do
342 case "$arg" in
343 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
344 ltconfig_args="$ltconfig_args '$arg'" ;;
345 *) ltconfig_args="$ltconfig_args $arg" ;;
346 esac
347 done
348
349 # A relevant subset of AC_INIT.
350
351 # File descriptor usage:
352 # 0 standard input
353 # 1 file creation
354 # 2 errors and warnings
355 # 3 some systems may open it to /dev/tty
356 # 4 used on the Kubota Titan
357 # 5 compiler messages saved in config.log
358 # 6 checking for... messages and results
359 if test "$silent" = yes; then
360 exec 6>/dev/null
361 else
362 exec 6>&1
363 fi
364 exec 5>>./config.log
365
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
372
373 if test -n "$cache_file" && test -r "$cache_file"; then
374 echo "loading cache $cache_file within ltconfig"
375 . $cache_file
376 fi
377
378 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
379 # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
380 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
381 ac_n= ac_c='
382 ' ac_t=' '
383 else
384 ac_n=-n ac_c= ac_t=
385 fi
386 else
387 ac_n= ac_c='\c' ac_t=
388 fi
389
390 if test -z "$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=.
394 fi
395
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
404 fi
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
410 fi
411 ac_config_guess=$ac_aux_dir/config.guess
412 ac_config_sub=$ac_aux_dir/config.sub
413
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
420 fi
421
422 echo $ac_n "checking host system type""... $ac_c" 1>&6
423
424 host_alias=$host
425 case "$host_alias" in
426 "")
427 if host_alias=`$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$host" 1>&6
436
437 # Make sure the host verified.
438 test -z "$host" && exit 1
439
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
446 fi
447
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
453
454 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
455 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
456 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
457
458 case "$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 "${COLLECT_NAMES+set}" != set; then
464 COLLECT_NAMES=
465 export COLLECT_NAMES
466 fi
467 ;;
468 esac
469
470 # Determine commands to create old-style static archives.
471 old_archive_cmds='$AR cru $oldlib$oldobjs'
472 old_postinstall_cmds='chmod 644 $oldlib'
473 old_postuninstall_cmds=
474
475 # Set a sane default for `AR'.
476 test -z "$AR" && AR=ar
477
478 # Set a sane default for `OBJDUMP'.
479 test -z "$OBJDUMP" && OBJDUMP=objdump
480
481 # If RANLIB is not set, then run the test.
482 if test "${RANLIB+set}" != "set"; then
483 result=no
484
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
493 fi
494 done
495 IFS="$save_ifs"
496
497 echo "$ac_t$result" 1>&6
498 fi
499
500 if test -n "$RANLIB"; then
501 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
502 old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
503 fi
504
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 "$AS" && AS=as
509
510 # Check to see if we are using GCC.
511 if test "$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
521 fi
522 done
523 IFS="$save_ifs"
524
525 if test -n "$CC"; then
526 echo "$ac_t$CC" 1>&6
527 else
528 echo "$ac_t"no 1>&6
529 fi
530 fi
531
532 # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
533 if test -z "$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 "$dir/cc" = "/usr/ucb/cc"; then
541 cc_rejected=yes
542 continue
543 fi
544 CC="cc"
545 break
546 fi
547 done
548 IFS="$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" "$@"
559 shift
560 CC="$@"
561 fi
562 fi
563
564 if test -n "$CC"; then
565 echo "$ac_t$CC" 1>&6
566 else
567 echo "$ac_t"no 1>&6
568 fi
569
570 if test -z "$CC"; then
571 echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
572 exit 1
573 fi
574 fi
575
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
580
581 $rm conftest.c
582 cat > conftest.c <<EOF
583 #ifdef __GNUC__
584 yes;
585 #endif
586 EOF
587 if { ac_try='${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
589 fi
590 $rm conftest.c
591 echo "$ac_t$with_gcc" 1>&6
592 fi
593
594 # Allow CC to be a program name with arguments.
595 set dummy $CC
596 compiler="$2"
597
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
605
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
616 fi
617 $rm conftest*
618 echo "$ac_t$objext" 1>&6
619
620 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
621 pic_flag=
622 special_shlib_compile_flags=
623 wl=
624 link_static_flag=
625 no_builtin_flag=
626
627 if test "$with_gcc" = yes; then
628 wl='-Wl,'
629 link_static_flag='-static'
630
631 case "$host_os" in
632 beos* | irix5* | irix6* | osf3* | osf4*)
633 # PIC is the default for these OSes.
634 ;;
635 aix*)
636 # Below there is a dirty hack to force normal static linking with -ldl
637 # The problem is because libdl dynamically linked with both libc and
638 # libC (AIX C++ library), which obviously doesn't included in libraries
639 # list by gcc. This cause undefined symbols with -static flags.
640 # This hack allows C programs to be linked with "-static -ldl", but
641 # we not sure about C++ programs.
642 link_static_flag="$link_static_flag ${wl}-lC"
643 ;;
644 cygwin* | mingw* | os2*)
645 # We can build DLLs from non-PIC.
646 ;;
647 amigaos*)
648 # FIXME: we need at least 68020 code to build shared libraries, but
649 # adding the `-m68020' flag to GCC prevents building anything better,
650 # like `-m68040'.
651 pic_flag='-m68020 -resident32 -malways-restore-a4'
652 ;;
653 *)
654 pic_flag='-fPIC'
655 ;;
656 esac
657 else
658 # PORTME Check for PIC flags for the system compiler.
659 case "$host_os" in
660 aix3* | aix4*)
661 # All AIX code is PIC.
662 link_static_flag='-bnso -bI:/lib/syscalls.exp'
663 ;;
664
665 hpux9* | hpux10* | hpux11*)
666 # Is there a better link_static_flag that works with the bundled CC?
667 wl='-Wl,'
668 link_static_flag="${wl}-a ${wl}archive"
669 pic_flag='+Z'
670 ;;
671
672 irix5* | irix6*)
673 wl='-Wl,'
674 link_static_flag='-non_shared'
675 # PIC (with -KPIC) is the default.
676 ;;
677
678 cygwin* | mingw* | os2*)
679 # We can build DLLs from non-PIC.
680 ;;
681
682 osf3* | osf4*)
683 # All OSF/1 code is PIC.
684 wl='-Wl,'
685 link_static_flag='-non_shared'
686 ;;
687
688 sco3.2v5*)
689 pic_flag='-Kpic'
690 link_static_flag='-dn'
691 special_shlib_compile_flags='-belf'
692 ;;
693
694 solaris*)
695 pic_flag='-KPIC'
696 link_static_flag='-Bstatic'
697 wl='-Wl,'
698 ;;
699
700 sunos4*)
701 pic_flag='-PIC'
702 link_static_flag='-Bstatic'
703 wl='-Qoption ld '
704 ;;
705
706 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
707 pic_flag='-KPIC'
708 link_static_flag='-Bstatic'
709 wl='-Wl,'
710 ;;
711
712 uts4*)
713 pic_flag='-pic'
714 link_static_flag='-Bstatic'
715 ;;
716
717 *)
718 can_build_shared=no
719 ;;
720 esac
721 fi
722
723 if test -n "$pic_flag"; then
724 echo "$ac_t$pic_flag" 1>&6
725
726 # Check to make sure the pic_flag actually works.
727 echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
728 $rm conftest*
729 echo "int some_variable = 0;" > conftest.c
730 save_CFLAGS="$CFLAGS"
731 CFLAGS="$CFLAGS $pic_flag -DPIC"
732 echo "$progname:732: checking if $compiler PIC flag $pic_flag works" >&5
733 if { (eval echo $progname:733: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
734 # Append any warnings to the config.log.
735 cat conftest.err 1>&5
736
737 case "$host_os" in
738 hpux9* | hpux10* | hpux11*)
739 # On HP-UX, both CC and GCC only warn that PIC is supported... then they
740 # create non-PIC objects. So, if there were any warnings, we assume that
741 # PIC is not supported.
742 if test -s conftest.err; then
743 echo "$ac_t"no 1>&6
744 can_build_shared=no
745 pic_flag=
746 else
747 echo "$ac_t"yes 1>&6
748 pic_flag=" $pic_flag"
749 fi
750 ;;
751 *)
752 echo "$ac_t"yes 1>&6
753 pic_flag=" $pic_flag"
754 ;;
755 esac
756 else
757 # Append any errors to the config.log.
758 cat conftest.err 1>&5
759 can_build_shared=no
760 pic_flag=
761 echo "$ac_t"no 1>&6
762 fi
763 CFLAGS="$save_CFLAGS"
764 $rm conftest*
765 else
766 echo "$ac_t"none 1>&6
767 fi
768
769 # Check to see if options -o and -c are simultaneously supported by compiler
770 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
771 $rm -r conftest 2>/dev/null
772 mkdir conftest
773 cd conftest
774 $rm conftest*
775 echo "int some_variable = 0;" > conftest.c
776 mkdir out
777 # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
778 # that will create temporary files in the current directory regardless of
779 # the output directory. Thus, making CWD read-only will cause this test
780 # to fail, enabling locking or at least warning the user not to do parallel
781 # builds.
782 chmod -w .
783 save_CFLAGS="$CFLAGS"
784 CFLAGS="$CFLAGS -o out/conftest2.o"
785 echo "$progname:785: checking if $compiler supports -c -o file.o" >&5
786 if { (eval echo $progname:786: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
787
788 # The compiler can only warn and ignore the option if not recognized
789 # So say no if there are warnings
790 if test -s out/conftest.err; then
791 echo "$ac_t"no 1>&6
792 compiler_c_o=no
793 else
794 echo "$ac_t"yes 1>&6
795 compiler_c_o=yes
796 fi
797 else
798 # Append any errors to the config.log.
799 cat out/conftest.err 1>&5
800 compiler_c_o=no
801 echo "$ac_t"no 1>&6
802 fi
803 CFLAGS="$save_CFLAGS"
804 chmod u+w .
805 $rm conftest* out/*
806 rmdir out
807 cd ..
808 rmdir conftest
809 $rm -r conftest 2>/dev/null
810
811 if test x"$compiler_c_o" = x"yes"; then
812 # Check to see if we can write to a .lo
813 echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
814 $rm conftest*
815 echo "int some_variable = 0;" > conftest.c
816 save_CFLAGS="$CFLAGS"
817 CFLAGS="$CFLAGS -c -o conftest.lo"
818 echo "$progname:818: checking if $compiler supports -c -o file.lo" >&5
819 if { (eval echo $progname:819: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
820
821 # The compiler can only warn and ignore the option if not recognized
822 # So say no if there are warnings
823 if test -s conftest.err; then
824 echo "$ac_t"no 1>&6
825 compiler_o_lo=no
826 else
827 echo "$ac_t"yes 1>&6
828 compiler_o_lo=yes
829 fi
830 else
831 # Append any errors to the config.log.
832 cat conftest.err 1>&5
833 compiler_o_lo=no
834 echo "$ac_t"no 1>&6
835 fi
836 CFLAGS="$save_CFLAGS"
837 $rm conftest*
838 else
839 compiler_o_lo=no
840 fi
841
842 # Check to see if we can do hard links to lock some files if needed
843 hard_links="nottested"
844 if test "$compiler_c_o" = no && test "$need_locks" != no; then
845 # do not overwrite the value of need_locks provided by the user
846 echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
847 hard_links=yes
848 $rm conftest*
849 ln conftest.a conftest.b 2>/dev/null && hard_links=no
850 touch conftest.a
851 ln conftest.a conftest.b 2>&5 || hard_links=no
852 ln conftest.a conftest.b 2>/dev/null && hard_links=no
853 echo "$ac_t$hard_links" 1>&6
854 $rm conftest*
855 if test "$hard_links" = no; then
856 echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
857 need_locks=warn
858 fi
859 else
860 need_locks=no
861 fi
862
863 if test "$with_gcc" = yes; then
864 # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
865 echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
866 $rm conftest*
867 echo "int some_variable = 0;" > conftest.c
868 save_CFLAGS="$CFLAGS"
869 CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
870 echo "$progname:870: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
871 if { (eval echo $progname:871: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
872
873 # The compiler can only warn and ignore the option if not recognized
874 # So say no if there are warnings
875 if test -s conftest.err; then
876 echo "$ac_t"no 1>&6
877 compiler_rtti_exceptions=no
878 else
879 echo "$ac_t"yes 1>&6
880 compiler_rtti_exceptions=yes
881 fi
882 else
883 # Append any errors to the config.log.
884 cat conftest.err 1>&5
885 compiler_rtti_exceptions=no
886 echo "$ac_t"no 1>&6
887 fi
888 CFLAGS="$save_CFLAGS"
889 $rm conftest*
890
891 if test "$compiler_rtti_exceptions" = "yes"; then
892 no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
893 else
894 no_builtin_flag=' -fno-builtin'
895 fi
896
897 fi
898
899 # Check for any special shared library compilation flags.
900 if test -n "$special_shlib_compile_flags"; then
901 echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
902 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then :
903 else
904 echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
905 can_build_shared=no
906 fi
907 fi
908
909 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
910 $rm conftest*
911 echo 'main(){return(0);}' > conftest.c
912 save_LDFLAGS="$LDFLAGS"
913 LDFLAGS="$LDFLAGS $link_static_flag"
914 echo "$progname:914: checking if $compiler static flag $link_static_flag works" >&5
915 if { (eval echo $progname:915: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
916 echo "$ac_t$link_static_flag" 1>&6
917 else
918 echo "$ac_t"none 1>&6
919 link_static_flag=
920 fi
921 LDFLAGS="$save_LDFLAGS"
922 $rm conftest*
923
924 if test -z "$LN_S"; then
925 # Check to see if we can use ln -s, or we need hard links.
926 echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
927 $rm conftest.dat
928 if ln -s X conftest.dat 2>/dev/null; then
929 $rm conftest.dat
930 LN_S="ln -s"
931 else
932 LN_S=ln
933 fi
934 if test "$LN_S" = "ln -s"; then
935 echo "$ac_t"yes 1>&6
936 else
937 echo "$ac_t"no 1>&6
938 fi
939 fi
940
941 # Make sure LD is an absolute path.
942 if test -z "$LD"; then
943 ac_prog=ld
944 if test "$with_gcc" = yes; then
945 # Check if gcc -print-prog-name=ld gives a path.
946 echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
947 echo "$progname:947: checking for ld used by GCC" >&5
948 ac_prog=`($CC -print-prog-name=ld) 2>&5`
949 case "$ac_prog" in
950 # Accept absolute paths.
951 [\\/]* | [A-Za-z]:[\\/]*)
952 re_direlt='/[^/][^/]*/\.\./'
953 # Canonicalize the path of ld
954 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
955 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
956 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
957 done
958 test -z "$LD" && LD="$ac_prog"
959 ;;
960 "")
961 # If it fails, then pretend we are not using GCC.
962 ac_prog=ld
963 ;;
964 *)
965 # If it is relative, then search for the first ld in PATH.
966 with_gnu_ld=unknown
967 ;;
968 esac
969 elif test "$with_gnu_ld" = yes; then
970 echo $ac_n "checking for GNU ld... $ac_c" 1>&6
971 echo "$progname:971: checking for GNU ld" >&5
972 else
973 echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
974 echo "$progname:974: checking for non-GNU ld" >&5
975 fi
976
977 if test -z "$LD"; then
978 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
979 for ac_dir in $PATH; do
980 test -z "$ac_dir" && ac_dir=.
981 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
982 LD="$ac_dir/$ac_prog"
983 # Check to see if the program is GNU ld. I'd rather use --version,
984 # but apparently some GNU ld's only accept -v.
985 # Break only if it was the GNU/non-GNU ld that we prefer.
986 if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
987 test "$with_gnu_ld" != no && break
988 else
989 test "$with_gnu_ld" != yes && break
990 fi
991 fi
992 done
993 IFS="$ac_save_ifs"
994 fi
995
996 if test -n "$LD"; then
997 echo "$ac_t$LD" 1>&6
998 else
999 echo "$ac_t"no 1>&6
1000 fi
1001
1002 if test -z "$LD"; then
1003 echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
1004 exit 1
1005 fi
1006 fi
1007
1008 # Check to see if it really is or is not GNU ld.
1009 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
1010 # I'd rather use --version here, but apparently some GNU ld's only accept -v.
1011 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
1012 with_gnu_ld=yes
1013 else
1014 with_gnu_ld=no
1015 fi
1016 echo "$ac_t$with_gnu_ld" 1>&6
1017
1018 # See if the linker supports building shared libraries.
1019 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
1020
1021 allow_undefined_flag=
1022 no_undefined_flag=
1023 need_lib_prefix=unknown
1024 need_version=unknown
1025 # when you set need_version to no, make sure it does not cause -set_version
1026 # flags to be left without arguments
1027 archive_cmds=
1028 archive_expsym_cmds=
1029 old_archive_from_new_cmds=
1030 export_dynamic_flag_spec=
1031 whole_archive_flag_spec=
1032 thread_safe_flag_spec=
1033 hardcode_libdir_flag_spec=
1034 hardcode_libdir_separator=
1035 hardcode_direct=no
1036 hardcode_minus_L=no
1037 hardcode_shlibpath_var=unsupported
1038 runpath_var=
1039 always_export_symbols=no
1040 export_symbols_cmds='$NM $libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1041 # include_expsyms should be a list of space-separated symbols to be *always*
1042 # included in the symbol list
1043 include_expsyms=
1044 # exclude_expsyms can be an egrep regular expression of symbols to exclude
1045 # it will be wrapped by ` (' and `)$', so one must not match beginning or
1046 # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
1047 # as well as any symbol that contains `d'.
1048 exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1049 # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
1050 # platforms (ab)use it in PIC code, but their linkers get confused if
1051 # the symbol is explicitly referenced. Since portable code cannot
1052 # rely on this symbol name, it's probably fine to never include it in
1053 # preloaded symbol tables.
1054
1055 case "$host_os" in
1056 cygwin* | mingw*)
1057 # FIXME: the MSVC++ port hasn't been tested in a loooong time
1058 # When not using gcc, we currently assume that we are using
1059 # Microsoft Visual C++.
1060 if test "$with_gcc" != yes; then
1061 with_gnu_ld=no
1062 fi
1063 ;;
1064
1065 esac
1066
1067 ld_shlibs=yes
1068 if test "$with_gnu_ld" = yes; then
1069 # If archive_cmds runs LD, not CC, wlarc should be empty
1070 wlarc='${wl}'
1071
1072 # See if GNU ld supports shared libraries.
1073 case "$host_os" in
1074 aix3* | aix4*)
1075 # On AIX, the GNU linker is very broken
1076 ld_shlibs=no
1077 cat <<EOF 1>&2
1078
1079 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
1080 *** to be unable to reliably create shared libraries on AIX.
1081 *** Therefore, libtool is disabling shared libraries support. If you
1082 *** really care for shared libraries, you may want to modify your PATH
1083 *** so that a non-GNU linker is found, and then restart.
1084
1085 EOF
1086 ;;
1087
1088 amigaos*)
1089 archive_cmds='$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 $objdir && a2ixlibrary -32)'
1090 hardcode_libdir_flag_spec='-L$libdir'
1091 hardcode_minus_L=yes
1092
1093 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
1094 # that the semantics of dynamic libraries on AmigaOS, at least up
1095 # to version 4, is to share data among multiple programs linked
1096 # with the same dynamic library. Since this doesn't match the
1097 # behavior of shared libraries on other platforms, we can use
1098 # them.
1099 ld_shlibs=no
1100 ;;
1101
1102 beos*)
1103 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1104 allow_undefined_flag=unsupported
1105 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
1106 # support --undefined. This deserves some investigation. FIXME
1107 archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1108 else
1109 ld_shlibs=no
1110 fi
1111 ;;
1112
1113 cygwin* | mingw*)
1114 # hardcode_libdir_flag_spec is actually meaningless, as there is
1115 # no search path for DLLs.
1116 hardcode_libdir_flag_spec='-L$libdir'
1117 allow_undefined_flag=unsupported
1118 always_export_symbols=yes
1119
1120 # Extract the symbol export list from an `--export-all' def file,
1121 # then regenerate the def file from the symbol export list, so that
1122 # the compiled dll only exports the symbol export list.
1123 export_symbols_cmds='rm -f $objdir/$soname-ltdll.c~
1124 sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1125 (cd $objdir && $CC -c $soname-ltdll.c)~
1126 $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~
1127 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]* ; *//" < $objdir/$soname-def > $export_symbols'
1128
1129 archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
1130 _lt_hint=1;
1131 for symbol in `cat $export_symbols`; do
1132 echo " \$symbol @ \$_lt_hint ; " >> $objdir/$soname-def;
1133 _lt_hint=`expr 1 + \$_lt_hint`;
1134 done~
1135 $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1136 $DLLTOOL --as=$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~
1137 $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1138 $DLLTOOL --as=$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~
1139 $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts'
1140
1141 old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
1142 ;;
1143
1144 netbsd*)
1145 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1146 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1147 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1148 else
1149 archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib'
1150 # can we support soname and/or expsyms with a.out? -oliva
1151 fi
1152 ;;
1153
1154 sunos4*)
1155 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts'
1156 wlarc=
1157 hardcode_direct=yes
1158 hardcode_shlibpath_var=no
1159 ;;
1160
1161 *)
1162 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1163 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1164 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1165 else
1166 ld_shlibs=no
1167 fi
1168 ;;
1169 esac
1170
1171 if test "$ld_shlibs" = yes; then
1172 runpath_var=LD_RUN_PATH
1173 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1174 export_dynamic_flag_spec='${wl}--export-dynamic'
1175 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1176 fi
1177 else
1178 # PORTME fill in a description of your system's linker (not GNU ld)
1179 case "$host_os" in
1180 aix3*)
1181 allow_undefined_flag=unsupported
1182 always_export_symbols=yes
1183 archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1184 # Note: this linker hardcodes the directories in LIBPATH if there
1185 # are no directories specified by -L.
1186 hardcode_minus_L=yes
1187 if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1188 # Neither direct hardcoding nor static linking is supported with a
1189 # broken collect2.
1190 hardcode_direct=unsupported
1191 fi
1192 ;;
1193
1194 aix4*)
1195 hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
1196 hardcode_libdir_separator=':'
1197 if test "$with_gcc" = yes; then
1198 collect2name=`${CC} -print-prog-name=collect2`
1199 if test -f "$collect2name" && \
1200 strings "$collect2name" | grep resolve_lib_name >/dev/null
1201 then
1202 # We have reworked collect2
1203 hardcode_direct=yes
1204 else
1205 # We have old collect2
1206 hardcode_direct=unsupported
1207 # It fails to find uninstalled libraries when the uninstalled
1208 # path is not listed in the libpath. Setting hardcode_minus_L
1209 # to unsupported forces relinking
1210 hardcode_minus_L=yes
1211 hardcode_libdir_flag_spec='-L$libdir'
1212 hardcode_libdir_separator=
1213 fi
1214 shared_flag='-shared'
1215 else
1216 shared_flag='${wl}-bM:SRE'
1217 hardcode_direct=yes
1218 fi
1219 allow_undefined_flag=' ${wl}-berok'
1220 archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
1221 archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
1222 case "$host_os" in aix4.[01]|aix4.[01].*)
1223 # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
1224 always_export_symbols=yes ;;
1225 esac
1226 ;;
1227
1228 amigaos*)
1229 archive_cmds='$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 $objdir && a2ixlibrary -32)'
1230 hardcode_libdir_flag_spec='-L$libdir'
1231 hardcode_minus_L=yes
1232 # see comment about different semantics on the GNU ld section
1233 ld_shlibs=no
1234 ;;
1235
1236 cygwin* | mingw*)
1237 # When not using gcc, we currently assume that we are using
1238 # Microsoft Visual C++.
1239 # hardcode_libdir_flag_spec is actually meaningless, as there is
1240 # no search path for DLLs.
1241 hardcode_libdir_flag_spec=' '
1242 allow_undefined_flag=unsupported
1243 # Tell ltmain to make .lib files, not .a files.
1244 libext=lib
1245 # FIXME: Setting linknames here is a bad hack.
1246 archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1247 # The linker will automatically build a .lib file if we build a DLL.
1248 old_archive_from_new_cmds='true'
1249 # FIXME: Should let the user specify the lib program.
1250 old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1251 fix_srcfile_path='`cygpath -w $srcfile`'
1252 ;;
1253
1254 freebsd1*)
1255 ld_shlibs=no
1256 ;;
1257
1258 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1259 # support. Future versions do this automatically, but an explicit c++rt0.o
1260 # does not break anything, and helps significantly (at the cost of a little
1261 # extra space).
1262 freebsd2.2*)
1263 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
1264 hardcode_libdir_flag_spec='-R$libdir'
1265 hardcode_direct=yes
1266 hardcode_shlibpath_var=no
1267 ;;
1268
1269 # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1270 freebsd2*)
1271 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1272 hardcode_direct=yes
1273 hardcode_minus_L=yes
1274 hardcode_shlibpath_var=no
1275 ;;
1276
1277 # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1278 freebsd*)
1279 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
1280 hardcode_libdir_flag_spec='-R$libdir'
1281 hardcode_direct=yes
1282 hardcode_shlibpath_var=no
1283 ;;
1284
1285 hpux9* | hpux10* | hpux11*)
1286 case "$host_os" in
1287 hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
1288 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;;
1289 esac
1290 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1291 hardcode_libdir_separator=:
1292 hardcode_direct=yes
1293 hardcode_minus_L=yes # Not in the search PATH, but as the default
1294 # location of the library.
1295 export_dynamic_flag_spec='${wl}-E'
1296 ;;
1297
1298 irix5* | irix6*)
1299 if test "$with_gcc" = yes; then
1300 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1301 else
1302 archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1303 fi
1304 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1305 hardcode_libdir_separator=:
1306 ;;
1307
1308 netbsd*)
1309 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1310 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out
1311 else
1312 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF
1313 fi
1314 hardcode_libdir_flag_spec='${wl}-R$libdir'
1315 hardcode_direct=yes
1316 hardcode_shlibpath_var=no
1317 ;;
1318
1319 openbsd*)
1320 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1321 hardcode_libdir_flag_spec='-R$libdir'
1322 hardcode_direct=yes
1323 hardcode_shlibpath_var=no
1324 ;;
1325
1326 os2*)
1327 hardcode_libdir_flag_spec='-L$libdir'
1328 hardcode_minus_L=yes
1329 allow_undefined_flag=unsupported
1330 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def'
1331 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1332 ;;
1333
1334 osf3* | osf4*)
1335 if test "$with_gcc" = yes; then
1336 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1337 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1338 else
1339 allow_undefined_flag=' -expect_unresolved \*'
1340 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1341 fi
1342 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1343 hardcode_libdir_separator=:
1344 ;;
1345
1346 sco3.2v5*)
1347 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1348 hardcode_shlibpath_var=no
1349 runpath_var=LD_RUN_PATH
1350 hardcode_runpath_var=yes
1351 ;;
1352
1353 solaris*)
1354 no_undefined_flag=' -z text'
1355 # $CC -shared without GNU ld will not create a library from C++
1356 # object files and a static libstdc++, better avoid it by now
1357 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
1358 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1359 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1360 hardcode_libdir_flag_spec='-R$libdir'
1361 hardcode_shlibpath_var=no
1362 case "$host_os" in
1363 solaris2.[0-5] | solaris2.[0-5].*) ;;
1364 *) # Supported since Solaris 2.6 (maybe 2.5.1?)
1365 whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' ;;
1366 esac
1367 ;;
1368
1369 sunos4*)
1370 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1371 hardcode_libdir_flag_spec='-L$libdir'
1372 hardcode_direct=yes
1373 hardcode_minus_L=yes
1374 hardcode_shlibpath_var=no
1375 ;;
1376
1377 sysv4)
1378 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1379 runpath_var='LD_RUN_PATH'
1380 hardcode_shlibpath_var=no
1381 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1382 ;;
1383
1384 sysv4.3*)
1385 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1386 hardcode_shlibpath_var=no
1387 export_dynamic_flag_spec='-Bexport'
1388 ;;
1389
1390 uts4*)
1391 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1392 hardcode_libdir_flag_spec='-L$libdir'
1393 hardcode_shlibpath_var=no
1394 ;;
1395
1396 dgux*)
1397 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1398 hardcode_libdir_flag_spec='-L$libdir'
1399 hardcode_shlibpath_var=no
1400 ;;
1401
1402 *)
1403 ld_shlibs=no
1404 ;;
1405 esac
1406 fi
1407 echo "$ac_t$ld_shlibs" 1>&6
1408 test "$ld_shlibs" = no && can_build_shared=no
1409
1410 if test -z "$NM"; then
1411 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1412 case "$NM" in
1413 [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
1414 *)
1415 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1416 for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1417 test -z "$ac_dir" && ac_dir=.
1418 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
1419 # Check to see if the nm accepts a BSD-compat flag.
1420 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
1421 # nm: unknown option "B" ignored
1422 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1423 NM="$ac_dir/nm -B"
1424 break
1425 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1426 NM="$ac_dir/nm -p"
1427 break
1428 else
1429 NM=${NM="$ac_dir/nm"} # keep the first match, but
1430 continue # so that we can try to find one that supports BSD flags
1431 fi
1432 fi
1433 done
1434 IFS="$ac_save_ifs"
1435 test -z "$NM" && NM=nm
1436 ;;
1437 esac
1438 echo "$ac_t$NM" 1>&6
1439 fi
1440
1441 # Check for command to grab the raw symbol name followed by C symbol from nm.
1442 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1443
1444 # These are sane defaults that work on at least a few old systems.
1445 # [They come from Ultrix. What could be older than Ultrix?!! ;)]
1446
1447 # Character class describing NM global symbol codes.
1448 symcode='[BCDEGRST]'
1449
1450 # Regexp to match symbols that can be accessed directly from C.
1451 sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1452
1453 # Transform the above into a raw symbol and a C symbol.
1454 symxfrm='\1 \2\3 \3'
1455
1456 # Transform an extracted symbol line into a proper C declaration
1457 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1458
1459 # Define system-specific variables.
1460 case "$host_os" in
1461 aix*)
1462 symcode='[BCDT]'
1463 ;;
1464 cygwin* | mingw*)
1465 symcode='[ABCDGISTW]'
1466 ;;
1467 hpux*) # Its linker distinguishes data from code symbols
1468 global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
1469 ;;
1470 irix*)
1471 symcode='[BCDEGRST]'
1472 ;;
1473 solaris*)
1474 symcode='[BDT]'
1475 ;;
1476 sysv4)
1477 symcode='[DFNSTU]'
1478 ;;
1479 esac
1480
1481 # If we're using GNU nm, then use its standard symbol codes.
1482 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1483 symcode='[ABCDGISTW]'
1484 fi
1485
1486 # Try without a prefix undercore, then with it.
1487 for ac_symprfx in "" "_"; do
1488
1489 # Write the raw and C identifiers.
1490 global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1491
1492 # Check to see that the pipe works correctly.
1493 pipe_works=no
1494 $rm conftest*
1495 cat > conftest.c <<EOF
1496 #ifdef __cplusplus
1497 extern "C" {
1498 #endif
1499 char nm_test_var;
1500 void nm_test_func(){}
1501 #ifdef __cplusplus
1502 }
1503 #endif
1504 main(){nm_test_var='a';nm_test_func();return(0);}
1505 EOF
1506
1507 echo "$progname:1507: checking if global_symbol_pipe works" >&5
1508 if { (eval echo $progname:1508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1509 # Now try to grab the symbols.
1510 nlist=conftest.nm
1511 if { echo "$progname:1511: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1512
1513 # Try sorting and uniquifying the output.
1514 if sort "$nlist" | uniq > "$nlist"T; then
1515 mv -f "$nlist"T "$nlist"
1516 else
1517 rm -f "$nlist"T
1518 fi
1519
1520 # Make sure that we snagged all the symbols we need.
1521 if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1522 if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1523 cat <<EOF > conftest.c
1524 #ifdef __cplusplus
1525 extern "C" {
1526 #endif
1527
1528 EOF
1529 # Now generate the symbol file.
1530 eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1531
1532 cat <<EOF >> conftest.c
1533 #if defined (__STDC__) && __STDC__
1534 # define lt_ptr_t void *
1535 #else
1536 # define lt_ptr_t char *
1537 # define const
1538 #endif
1539
1540 /* The mapping between symbol names and symbols. */
1541 const struct {
1542 const char *name;
1543 lt_ptr_t address;
1544 }
1545 lt_preloaded_symbols[] =
1546 {
1547 EOF
1548 sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1549 cat <<\EOF >> conftest.c
1550 {0, (lt_ptr_t) 0}
1551 };
1552
1553 #ifdef __cplusplus
1554 }
1555 #endif
1556 EOF
1557 # Now try linking the two files.
1558 mv conftest.$objext conftstm.$objext
1559 save_LIBS="$LIBS"
1560 save_CFLAGS="$CFLAGS"
1561 LIBS="conftstm.$objext"
1562 CFLAGS="$CFLAGS$no_builtin_flag"
1563 if { (eval echo $progname:1563: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1564 pipe_works=yes
1565 else
1566 echo "$progname: failed program was:" >&5
1567 cat conftest.c >&5
1568 fi
1569 LIBS="$save_LIBS"
1570 else
1571 echo "cannot find nm_test_func in $nlist" >&5
1572 fi
1573 else
1574 echo "cannot find nm_test_var in $nlist" >&5
1575 fi
1576 else
1577 echo "cannot run $global_symbol_pipe" >&5
1578 fi
1579 else
1580 echo "$progname: failed program was:" >&5
1581 cat conftest.c >&5
1582 fi
1583 $rm conftest* conftst*
1584
1585 # Do not use the global_symbol_pipe unless it works.
1586 if test "$pipe_works" = yes; then
1587 break
1588 else
1589 global_symbol_pipe=
1590 fi
1591 done
1592 if test "$pipe_works" = yes; then
1593 echo "${ac_t}ok" 1>&6
1594 else
1595 echo "${ac_t}failed" 1>&6
1596 fi
1597
1598 if test -z "$global_symbol_pipe"; then
1599 global_symbol_to_cdecl=
1600 fi
1601
1602 # Check hardcoding attributes.
1603 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1604 hardcode_action=
1605 if test -n "$hardcode_libdir_flag_spec" || \
1606 test -n "$runpath_var"; then
1607
1608 # We can hardcode non-existant directories.
1609 if test "$hardcode_direct" != no &&
1610 # If the only mechanism to avoid hardcoding is shlibpath_var, we
1611 # have to relink, otherwise we might link with an installed library
1612 # when we should be linking with a yet-to-be-installed one
1613 ## test "$hardcode_shlibpath_var" != no &&
1614 test "$hardcode_minus_L" != no; then
1615 # Linking always hardcodes the temporary library directory.
1616 hardcode_action=relink
1617 else
1618 # We can link without hardcoding, and we can hardcode nonexisting dirs.
1619 hardcode_action=immediate
1620 fi
1621 else
1622 # We cannot hardcode anything, or else we can only hardcode existing
1623 # directories.
1624 hardcode_action=unsupported
1625 fi
1626 echo "$ac_t$hardcode_action" 1>&6
1627
1628
1629 reload_flag=
1630 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1631 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1632 # PORTME Some linkers may need a different reload flag.
1633 reload_flag='-r'
1634 echo "$ac_t$reload_flag" 1>&6
1635 test -n "$reload_flag" && reload_flag=" $reload_flag"
1636
1637 # PORTME Fill in your ld.so characteristics
1638 library_names_spec=
1639 libname_spec='lib$name'
1640 soname_spec=
1641 postinstall_cmds=
1642 postuninstall_cmds=
1643 finish_cmds=
1644 finish_eval=
1645 shlibpath_var=
1646 shlibpath_overrides_runpath=unknown
1647 version_type=none
1648 dynamic_linker="$host_os ld.so"
1649 sys_lib_dlsearch_path_spec="/lib /usr/lib"
1650 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1651 file_magic_cmd=
1652 file_magic_test_file=
1653 deplibs_check_method='unknown'
1654 # Need to set the preceding variable on all platforms that support
1655 # interlibrary dependencies.
1656 # 'none' -- dependencies not supported.
1657 # `unknown' -- same as none, but documents that we really don't know.
1658 # 'pass_all' -- all dependencies passed with no checks.
1659 # 'test_compile' -- check by making test program.
1660 # 'file_magic [regex]' -- check by looking for files in library path
1661 # which responds to the $file_magic_cmd with a given egrep regex.
1662 # If you have `file' or equivalent on your system and you're not sure
1663 # whether `pass_all' will *always* work, you probably want this one.
1664 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1665 case "$host_os" in
1666 aix3*)
1667 version_type=linux
1668 library_names_spec='${libname}${release}.so$versuffix $libname.a'
1669 shlibpath_var=LIBPATH
1670
1671 # AIX has no versioning support, so we append a major version to the name.
1672 soname_spec='${libname}${release}.so$major'
1673 ;;
1674
1675 aix4*)
1676 version_type=linux
1677 # AIX has no versioning support, so currently we can not hardcode correct
1678 # soname into executable. Probably we can add versioning support to
1679 # collect2, so additional links can be useful in future.
1680 # We preserve .a as extension for shared libraries though AIX4.2
1681 # and later linker supports .so
1682 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
1683 shlibpath_var=LIBPATH
1684 deplibs_check_method=pass_all
1685 ;;
1686
1687 amigaos*)
1688 library_names_spec='$libname.ixlibrary $libname.a'
1689 # Create ${libname}_ixlibrary.a entries in /sys/libs.
1690 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 ${libname}_ixlibrary.a) || exit 1; done'
1691 ;;
1692
1693 beos*)
1694 library_names_spec='${libname}.so'
1695 dynamic_linker="$host_os ld.so"
1696 shlibpath_var=LIBRARY_PATH
1697 lt_cv_dlopen="load_add_on"
1698 lt_cv_dlopen_libs=
1699 lt_cv_dlopen_self=yes
1700 ;;
1701
1702 bsdi4*)
1703 version_type=linux
1704 library_names_spec='${libname}.so$major ${libname}.so'
1705 soname_spec='${libname}.so'
1706 finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
1707 shlibpath_var=LD_LIBRARY_PATH
1708 deplibs_check_method='file_magic ELF 32-bit LSB shared object'
1709 file_magic_cmd=/usr/bin/file
1710 file_magic_test_file=/shlib/libc.so
1711 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1712 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1713 # the default ld.so.conf also contains /usr/contrib/lib and
1714 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1715 # libtool to hard-code these into programs
1716 ;;
1717
1718 cygwin* | mingw*)
1719 version_type=windows
1720 if test "$with_gcc" = yes; then
1721 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a'
1722 else
1723 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1724 fi
1725 dynamic_linker='Win32 ld.exe'
1726 deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
1727 file_magic_cmd='${OBJDUMP} -f'
1728 need_lib_prefix=no
1729 # FIXME: first we should search . and the directory the executable is in
1730 shlibpath_var=PATH
1731 lt_cv_dlopen="LoadLibrary"
1732 lt_cv_dlopen_libs=
1733 ;;
1734
1735 freebsd1*)
1736 dynamic_linker=no
1737 ;;
1738
1739 freebsd*)
1740 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1741 version_type=freebsd-$objformat
1742 case "$version_type" in
1743 freebsd-elf*)
1744 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'
1745 file_magic_cmd=/usr/bin/file
1746 file_magic_test_file=`echo /usr/lib/libc.so*`
1747 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1748 need_version=no
1749 need_lib_prefix=no
1750 ;;
1751 freebsd-*)
1752 deplibs_check_method=unknown
1753 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1754 need_version=yes
1755 ;;
1756 esac
1757 finish_cmds='PATH="\$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir'
1758 shlibpath_var=LD_LIBRARY_PATH
1759 ;;
1760
1761 gnu*)
1762 version_type=linux
1763 library_names_spec='${libname}${release}.so$versuffix ${libname}.so'
1764 shlibpath_var=LD_LIBRARY_PATH
1765 ;;
1766
1767 hpux9* | hpux10* | hpux11*)
1768 # Give a soname corresponding to the major version so that dld.sl refuses to
1769 # link against other versions.
1770 dynamic_linker="$host_os dld.sl"
1771 version_type=sunos
1772 need_lib_prefix=no
1773 need_version=no
1774 shlibpath_var=SHLIB_PATH
1775 shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
1776 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1777 soname_spec='${libname}${release}.sl$major'
1778 # HP-UX runs *really* slowly unless shared libraries are mode 555.
1779 postinstall_cmds='chmod 555 $lib'
1780 ;;
1781
1782 irix5* | irix6*)
1783 version_type=irix
1784 need_lib_prefix=no
1785 need_version=no
1786 soname_spec='${libname}${release}.so.$major'
1787 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
1788 case "$host_os" in
1789 irix5*)
1790 libsuff= shlibsuff=
1791 # this will be overridden with pass_all, but let us keep it just in case
1792 deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
1793 ;;
1794 *)
1795 case "$LD" in # libtool.m4 will add one of these switches to LD
1796 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
1797 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
1798 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
1799 *) libsuff= shlibsuff= libmagic=never-match;;
1800 esac
1801 # this will be overridden with pass_all, but let us keep it just in case
1802 deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
1803 ;;
1804 esac
1805 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
1806 shlibpath_overrides_runpath=no
1807 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
1808 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
1809 file_magic_cmd=/usr/bin/file
1810 file_magic_test_file=`echo /lib${libsuff}/libc.so*`
1811 deplibs_check_method='pass_all'
1812 ;;
1813
1814 # No shared lib support for Linux oldld, aout, or coff.
1815 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
1816 dynamic_linker=no
1817 ;;
1818
1819 # This must be Linux ELF.
1820 linux-gnu*)
1821 version_type=linux
1822 need_lib_prefix=no
1823 need_version=no
1824 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1825 soname_spec='${libname}${release}.so$major'
1826 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1827 shlibpath_var=LD_LIBRARY_PATH
1828 shlibpath_overrides_runpath=no
1829 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
1830 file_magic_cmd=/usr/bin/file
1831 file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
1832
1833 if test -f /lib/ld.so.1; then
1834 dynamic_linker='GNU ld.so'
1835 else
1836 # Only the GNU ld.so supports shared libraries on MkLinux.
1837 case "$host_cpu" in
1838 powerpc*) dynamic_linker=no ;;
1839 *) dynamic_linker='Linux ld.so' ;;
1840 esac
1841 fi
1842 ;;
1843
1844 netbsd*)
1845 version_type=sunos
1846 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1847 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1848 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1849 dynamic_linker='NetBSD (a.out) ld.so'
1850 else
1851 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1852 soname_spec='${libname}${release}.so$major'
1853 dynamic_linker='NetBSD ld.elf_so'
1854 fi
1855 shlibpath_var=LD_LIBRARY_PATH
1856 ;;
1857
1858 openbsd*)
1859 version_type=sunos
1860 if test "$with_gnu_ld" = yes; then
1861 need_lib_prefix=no
1862 need_version=no
1863 fi
1864 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1865 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1866 shlibpath_var=LD_LIBRARY_PATH
1867 ;;
1868
1869 os2*)
1870 libname_spec='$name'
1871 need_lib_prefix=no
1872 library_names_spec='$libname.dll $libname.a'
1873 dynamic_linker='OS/2 ld.exe'
1874 shlibpath_var=LIBPATH
1875 ;;
1876
1877 osf3* | osf4*)
1878 version_type=osf
1879 need_version=no
1880 soname_spec='${libname}${release}.so'
1881 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1882 shlibpath_var=LD_LIBRARY_PATH
1883 # this will be overridden with pass_all, but let us keep it just in case
1884 deplibs_check_method='file_magic COFF format alpha shared library'
1885 file_magic_cmd=/usr/bin/file
1886 file_magic_test_file=/shlib/libc.so
1887 deplibs_check_method='pass_all'
1888 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
1889 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
1890 ;;
1891
1892 sco3.2v5*)
1893 version_type=osf
1894 soname_spec='${libname}${release}.so$major'
1895 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1896 shlibpath_var=LD_LIBRARY_PATH
1897 ;;
1898
1899 solaris*)
1900 version_type=linux
1901 need_lib_prefix=no
1902 need_version=no
1903 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1904 soname_spec='${libname}${release}.so$major'
1905 shlibpath_var=LD_LIBRARY_PATH
1906 shlibpath_overrides_runpath=yes
1907 # ldd complains unless libraries are executable
1908 postinstall_cmds='chmod +x $lib'
1909 deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
1910 file_magic_cmd=/usr/bin/file
1911 file_magic_test_file=/lib/libc.so
1912 ;;
1913
1914 sunos4*)
1915 version_type=sunos
1916 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1917 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1918 shlibpath_var=LD_LIBRARY_PATH
1919 shlibpath_overrides_runpath=yes
1920 if test "$with_gnu_ld" = yes; then
1921 need_lib_prefix=no
1922 fi
1923 need_version=yes
1924 ;;
1925
1926 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
1927 version_type=linux
1928 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1929 soname_spec='${libname}${release}.so$major'
1930 shlibpath_var=LD_LIBRARY_PATH
1931 case "$host_vendor" in
1932 ncr)
1933 deplibs_check_method='pass_all'
1934 ;;
1935 motorola)
1936 need_lib_prefix=no
1937 need_version=no
1938 shlibpath_overrides_runpath=no
1939 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
1940 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
1941 file_magic_cmd=/usr/bin/file
1942 file_magic_test_file=`echo /usr/lib/libc.so*`
1943 ;;
1944 esac
1945 ;;
1946
1947 uts4*)
1948 version_type=linux
1949 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1950 soname_spec='${libname}${release}.so$major'
1951 shlibpath_var=LD_LIBRARY_PATH
1952 ;;
1953
1954 dgux*)
1955 version_type=linux
1956 need_lib_prefix=no
1957 need_version=no
1958 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1959 soname_spec='${libname}${release}.so$major'
1960 shlibpath_var=LD_LIBRARY_PATH
1961 ;;
1962
1963 *)
1964 dynamic_linker=no
1965 ;;
1966 esac
1967 echo "$ac_t$dynamic_linker" 1>&6
1968 test "$dynamic_linker" = no && can_build_shared=no
1969
1970 # Report the final consequences.
1971 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
1972
1973 # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
1974 # configure.in, otherwise build static only libraries.
1975 case "$host_os" in
1976 cygwin* | mingw* | os2*)
1977 if test x$can_build_shared = xyes; then
1978 test x$enable_win32_dll = xno && can_build_shared=no
1979 echo "checking if package supports dlls... $can_build_shared" 1>&6
1980 fi
1981 ;;
1982 esac
1983
1984 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
1985 case "$deplibs_check_method" in
1986 "file_magic "*)
1987 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
1988 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
1989 egrep "$file_magic_regex" > /dev/null; then
1990 :
1991 else
1992 cat <<EOF 1>&2
1993
1994 *** Warning: the command libtool uses to detect shared libraries,
1995 *** $file_magic_cmd, produces output that libtool cannot recognize.
1996 *** The result is that libtool may fail to recognize shared libraries
1997 *** as such. This will affect the creation of libtool libraries that
1998 *** depend on shared libraries, but programs linked with such libtool
1999 *** libraries will work regardless of this problem. Nevertheless, you
2000 *** may want to report the problem to your system manager and/or to
2001 *** bug-libtool@gnu.org
2002
2003 EOF
2004 fi ;;
2005 esac
2006 fi
2007
2008 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
2009 test "$can_build_shared" = "no" && enable_shared=no
2010
2011 # On AIX, shared libraries and static libraries use the same namespace, and
2012 # are all built from PIC.
2013 case "$host_os" in
2014 aix3*)
2015 test "$enable_shared" = yes && enable_static=no
2016 if test -n "$RANLIB"; then
2017 archive_cmds="$archive_cmds~\$RANLIB \$lib"
2018 postinstall_cmds='$RANLIB $lib'
2019 fi
2020 ;;
2021
2022 aix4*)
2023 test "$enable_shared" = yes && enable_static=no
2024 ;;
2025 esac
2026
2027 echo "$ac_t$enable_shared" 1>&6
2028
2029 # Make sure either enable_shared or enable_static is yes.
2030 test "$enable_shared" = yes || enable_static=yes
2031
2032 echo "checking whether to build static libraries... $enable_static" 1>&6
2033
2034 if test "$hardcode_action" = relink; then
2035 # Fast installation is not supported
2036 enable_fast_install=no
2037 elif test "$shlibpath_overrides_runpath" = yes ||
2038 test "$enable_shared" = no; then
2039 # Fast installation is not necessary
2040 enable_fast_install=needless
2041 fi
2042
2043 echo $ac_n "checking for objdir... $ac_c" 1>&6
2044 rm -f .libs 2>/dev/null
2045 mkdir .libs 2>/dev/null
2046 if test -d .libs; then
2047 objdir=.libs
2048 else
2049 # MS-DOS does not allow filenames that begin with a dot.
2050 objdir=_libs
2051 fi
2052 rmdir .libs 2>/dev/null
2053 echo "$ac_t$objdir" 1>&6
2054
2055 if test "x$enable_dlopen" != xyes; then
2056 enable_dlopen=unknown
2057 enable_dlopen_self=unknown
2058 enable_dlopen_self_static=unknown
2059 else
2060 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
2061 lt_cv_dlopen=no lt_cv_dlopen_libs=
2062 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
2063 echo "$progname:2063: checking for dlopen" >&5
2064 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
2065 echo $ac_n "(cached) $ac_c" 1>&6
2066 else
2067 cat > conftest.$ac_ext <<EOF
2068 #line 2068 "ltconfig"
2069 /* System header to define __stub macros and hopefully few prototypes,
2070 which can conflict with char dlopen(); below. */
2071 #include <assert.h>
2072 /* Override any gcc2 internal prototype to avoid an error. */
2073 /* We use char because int might match the return type of a gcc2
2074 builtin and then its argument prototype would still apply. */
2075 char dlopen();
2076
2077 int main() {
2078
2079 /* The GNU C library defines this for functions which it implements
2080 to always fail with ENOSYS. Some functions are actually named
2081 something starting with __ and the normal name is an alias. */
2082 #if defined (__stub_dlopen) || defined (__stub___dlopen)
2083 choke me
2084 #else
2085 dlopen();
2086 #endif
2087
2088 ; return 0; }
2089 EOF
2090 if { (eval echo $progname:2090: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2091 rm -rf conftest*
2092 eval "ac_cv_func_dlopen=yes"
2093 else
2094 echo "$progname: failed program was:" >&5
2095 cat conftest.$ac_ext >&5
2096 rm -rf conftest*
2097 eval "ac_cv_func_dlopen=no"
2098 fi
2099 rm -f conftest*
2100 fi
2101
2102 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
2103 echo "$ac_t""yes" 1>&6
2104 lt_cv_dlopen="dlopen"
2105 else
2106 echo "$ac_t""no" 1>&6
2107 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
2108 echo "$progname:2108: checking for dlopen in -ldl" >&5
2109 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
2110 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2111 echo $ac_n "(cached) $ac_c" 1>&6
2112 else
2113 ac_save_LIBS="$LIBS"
2114 LIBS="-ldl $LIBS"
2115 cat > conftest.$ac_ext <<EOF
2116 #line 2116 "ltconfig"
2117 /* Override any gcc2 internal prototype to avoid an error. */
2118 /* We use char because int might match the return type of a gcc2
2119 builtin and then its argument prototype would still apply. */
2120 char dlopen();
2121
2122 int main() {
2123 dlopen()
2124 ; return 0; }
2125 EOF
2126 if { (eval echo $progname:2126: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2127 rm -rf conftest*
2128 eval "ac_cv_lib_$ac_lib_var=yes"
2129 else
2130 echo "$progname: failed program was:" >&5
2131 cat conftest.$ac_ext >&5
2132 rm -rf conftest*
2133 eval "ac_cv_lib_$ac_lib_var=no"
2134 fi
2135 rm -f conftest*
2136 LIBS="$ac_save_LIBS"
2137
2138 fi
2139 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2140 echo "$ac_t""yes" 1>&6
2141 lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
2142 else
2143 echo "$ac_t""no" 1>&6
2144 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
2145 echo "$progname:2145: checking for dld_link in -ldld" >&5
2146 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
2147 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2148 echo $ac_n "(cached) $ac_c" 1>&6
2149 else
2150 ac_save_LIBS="$LIBS"
2151 LIBS="-ldld $LIBS"
2152 cat > conftest.$ac_ext <<EOF
2153 #line 2153 "ltconfig"
2154 /* Override any gcc2 internal prototype to avoid an error. */
2155 /* We use char because int might match the return type of a gcc2
2156 builtin and then its argument prototype would still apply. */
2157 char dld_link();
2158
2159 int main() {
2160 dld_link()
2161 ; return 0; }
2162 EOF
2163 if { (eval echo $progname:2163: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2164 rm -rf conftest*
2165 eval "ac_cv_lib_$ac_lib_var=yes"
2166 else
2167 echo "$progname: failed program was:" >&5
2168 cat conftest.$ac_ext >&5
2169 rm -rf conftest*
2170 eval "ac_cv_lib_$ac_lib_var=no"
2171 fi
2172 rm -f conftest*
2173 LIBS="$ac_save_LIBS"
2174
2175 fi
2176 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2177 echo "$ac_t""yes" 1>&6
2178 lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
2179 else
2180 echo "$ac_t""no" 1>&6
2181 echo $ac_n "checking for shl_load""... $ac_c" 1>&6
2182 echo "$progname:2182: checking for shl_load" >&5
2183 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
2184 echo $ac_n "(cached) $ac_c" 1>&6
2185 else
2186 cat > conftest.$ac_ext <<EOF
2187 #line 2187 "ltconfig"
2188 /* System header to define __stub macros and hopefully few prototypes,
2189 which can conflict with char shl_load(); below. */
2190 #include <assert.h>
2191 /* Override any gcc2 internal prototype to avoid an error. */
2192 /* We use char because int might match the return type of a gcc2
2193 builtin and then its argument prototype would still apply. */
2194 char shl_load();
2195
2196 int main() {
2197
2198 /* The GNU C library defines this for functions which it implements
2199 to always fail with ENOSYS. Some functions are actually named
2200 something starting with __ and the normal name is an alias. */
2201 #if defined (__stub_shl_load) || defined (__stub___shl_load)
2202 choke me
2203 #else
2204 shl_load();
2205 #endif
2206
2207 ; return 0; }
2208 EOF
2209 if { (eval echo $progname:2209: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2210 rm -rf conftest*
2211 eval "ac_cv_func_shl_load=yes"
2212 else
2213 echo "$progname: failed program was:" >&5
2214 cat conftest.$ac_ext >&5
2215 rm -rf conftest*
2216 eval "ac_cv_func_shl_load=no"
2217 fi
2218 rm -f conftest*
2219 fi
2220
2221 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
2222 echo "$ac_t""yes" 1>&6
2223 lt_cv_dlopen="shl_load"
2224 else
2225 echo "$ac_t""no" 1>&6
2226 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
2227 echo "$progname:2227: checking for shl_load in -ldld" >&5
2228 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
2229 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2230 echo $ac_n "(cached) $ac_c" 1>&6
2231 else
2232 ac_save_LIBS="$LIBS"
2233 LIBS="-ldld $LIBS"
2234 cat > conftest.$ac_ext <<EOF
2235 #line 2235 "ltconfig"
2236 #include "confdefs.h"
2237 /* Override any gcc2 internal prototype to avoid an error. */
2238 /* We use char because int might match the return type of a gcc2
2239 builtin and then its argument prototype would still apply. */
2240 char shl_load();
2241
2242 int main() {
2243 shl_load()
2244 ; return 0; }
2245 EOF
2246 if { (eval echo $progname:2246: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2247 rm -rf conftest*
2248 eval "ac_cv_lib_$ac_lib_var=yes"
2249 else
2250 echo "$progname: failed program was:" >&5
2251 cat conftest.$ac_ext >&5
2252 rm -rf conftest*
2253 eval "ac_cv_lib_$ac_lib_var=no"
2254 fi
2255 rm -f conftest*
2256 LIBS="$ac_save_LIBS"
2257
2258 fi
2259 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2260 echo "$ac_t""yes" 1>&6
2261 lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
2262 else
2263 echo "$ac_t""no" 1>&6
2264 fi
2265
2266
2267 fi
2268
2269
2270 fi
2271
2272
2273 fi
2274
2275
2276 fi
2277
2278 fi
2279
2280 if test "x$lt_cv_dlopen" != xno; then
2281 enable_dlopen=yes
2282 fi
2283
2284 case "$lt_cv_dlopen" in
2285 dlopen)
2286 for ac_hdr in dlfcn.h; do
2287 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
2288 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
2289 echo "$progname:2289: checking for $ac_hdr" >&5
2290 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
2291 echo $ac_n "(cached) $ac_c" 1>&6
2292 else
2293 cat > conftest.$ac_ext <<EOF
2294 #line 2294 "ltconfig"
2295 #include <$ac_hdr>
2296 int fnord = 0;
2297 EOF
2298 ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out"
2299 { (eval echo $progname:2299: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
2300 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
2301 if test -z "$ac_err"; then
2302 rm -rf conftest*
2303 eval "ac_cv_header_$ac_safe=yes"
2304 else
2305 echo "$ac_err" >&5
2306 echo "$progname: failed program was:" >&5
2307 cat conftest.$ac_ext >&5
2308 rm -rf conftest*
2309 eval "ac_cv_header_$ac_safe=no"
2310 fi
2311 rm -f conftest*
2312 fi
2313 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
2314 echo "$ac_t""yes" 1>&6
2315 else
2316 echo "$ac_t""no" 1>&6
2317 fi
2318 done
2319
2320 if test "x$ac_cv_header_dlfcn_h" = xyes; then
2321 CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2322 fi
2323 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2324 LIBS="$lt_cv_dlopen_libs $LIBS"
2325
2326 echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
2327 echo "$progname:2327: checking whether a program can dlopen itself" >&5
2328 if test "${lt_cv_dlopen_self+set}" = set; then
2329 echo $ac_n "(cached) $ac_c" 1>&6
2330 else
2331 if test "$cross_compiling" = yes; then
2332 lt_cv_dlopen_self=cross
2333 else
2334 cat > conftest.c <<EOF
2335 #line 2335 "ltconfig"
2336
2337 #if HAVE_DLFCN_H
2338 #include <dlfcn.h>
2339 #endif
2340
2341 #include <stdio.h>
2342
2343 #ifdef RTLD_GLOBAL
2344 # define LTDL_GLOBAL RTLD_GLOBAL
2345 #else
2346 # ifdef DL_GLOBAL
2347 # define LTDL_GLOBAL DL_GLOBAL
2348 # else
2349 # define LTDL_GLOBAL 0
2350 # endif
2351 #endif
2352
2353 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2354 find out it does not work in some platform. */
2355 #ifndef LTDL_LAZY_OR_NOW
2356 # ifdef RTLD_LAZY
2357 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2358 # else
2359 # ifdef DL_LAZY
2360 # define LTDL_LAZY_OR_NOW DL_LAZY
2361 # else
2362 # ifdef RTLD_NOW
2363 # define LTDL_LAZY_OR_NOW RTLD_NOW
2364 # else
2365 # ifdef DL_NOW
2366 # define LTDL_LAZY_OR_NOW DL_NOW
2367 # else
2368 # define LTDL_LAZY_OR_NOW 0
2369 # endif
2370 # endif
2371 # endif
2372 # endif
2373 #endif
2374
2375 fnord() { int i=42;}
2376 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2377 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2378 if(ptr1 || ptr2) exit(0); } exit(1); }
2379
2380 EOF
2381 if { (eval echo $progname:2381: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2382 then
2383 lt_cv_dlopen_self=yes
2384 else
2385 echo "$progname: failed program was:" >&5
2386 cat conftest.$ac_ext >&5
2387 rm -fr conftest*
2388 lt_cv_dlopen_self=no
2389 fi
2390 rm -fr conftest*
2391 fi
2392
2393 fi
2394
2395 echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2396
2397 if test "$lt_cv_dlopen_self" = yes; then
2398 LDFLAGS="$LDFLAGS $link_static_flag"
2399 echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
2400 echo "$progname:2400: checking whether a statically linked program can dlopen itself" >&5
2401 if test "${lt_cv_dlopen_self_static+set}" = set; then
2402 echo $ac_n "(cached) $ac_c" 1>&6
2403 else
2404 if test "$cross_compiling" = yes; then
2405 lt_cv_dlopen_self_static=cross
2406 else
2407 cat > conftest.c <<EOF
2408 #line 2408 "ltconfig"
2409
2410 #if HAVE_DLFCN_H
2411 #include <dlfcn.h>
2412 #endif
2413
2414 #include <stdio.h>
2415
2416 #ifdef RTLD_GLOBAL
2417 # define LTDL_GLOBAL RTLD_GLOBAL
2418 #else
2419 # ifdef DL_GLOBAL
2420 # define LTDL_GLOBAL DL_GLOBAL
2421 # else
2422 # define LTDL_GLOBAL 0
2423 # endif
2424 #endif
2425
2426 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2427 find out it does not work in some platform. */
2428 #ifndef LTDL_LAZY_OR_NOW
2429 # ifdef RTLD_LAZY
2430 # define LTDL_LAZY_OR_NOW RTLD_LAZY
2431 # else
2432 # ifdef DL_LAZY
2433 # define LTDL_LAZY_OR_NOW DL_LAZY
2434 # else
2435 # ifdef RTLD_NOW
2436 # define LTDL_LAZY_OR_NOW RTLD_NOW
2437 # else
2438 # ifdef DL_NOW
2439 # define LTDL_LAZY_OR_NOW DL_NOW
2440 # else
2441 # define LTDL_LAZY_OR_NOW 0
2442 # endif
2443 # endif
2444 # endif
2445 # endif
2446 #endif
2447
2448 fnord() { int i=42;}
2449 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2450 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2451 if(ptr1 || ptr2) exit(0); } exit(1); }
2452
2453 EOF
2454 if { (eval echo $progname:2454: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2455 then
2456 lt_cv_dlopen_self_static=yes
2457 else
2458 echo "$progname: failed program was:" >&5
2459 cat conftest.$ac_ext >&5
2460 rm -fr conftest*
2461 lt_cv_dlopen_self_static=no
2462 fi
2463 rm -fr conftest*
2464 fi
2465
2466 fi
2467
2468 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2469 fi
2470 ;;
2471 esac
2472
2473 case "$lt_cv_dlopen_self" in
2474 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2475 *) enable_dlopen_self=unknown ;;
2476 esac
2477
2478 case "$lt_cv_dlopen_self_static" in
2479 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2480 *) enable_dlopen_self_static=unknown ;;
2481 esac
2482 fi
2483
2484 # Copy echo and quote the copy, instead of the original, because it is
2485 # used later.
2486 ltecho="$echo"
2487 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2488 ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2489 fi
2490 LTSHELL="$SHELL"
2491
2492 LTCONFIG_VERSION="$VERSION"
2493
2494 # Only quote variables if we're using ltmain.sh.
2495 case "$ltmain" in
2496 *.sh)
2497 # Now quote all the things that may contain metacharacters.
2498 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
2499 old_LD old_LDFLAGS old_LIBS \
2500 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
2501 AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
2502 reload_flag reload_cmds wl \
2503 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2504 thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2505 library_names_spec soname_spec \
2506 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2507 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
2508 file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2509 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2510 hardcode_libdir_flag_spec hardcode_libdir_separator \
2511 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2512 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2513
2514 case "$var" in
2515 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2516 old_postinstall_cmds | old_postuninstall_cmds | \
2517 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2518 postinstall_cmds | postuninstall_cmds | \
2519 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2520 # Double-quote double-evaled strings.
2521 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2522 ;;
2523 *)
2524 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2525 ;;
2526 esac
2527 done
2528
2529 case "$ltecho" in
2530 *'\$0 --fallback-echo"')
2531 ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
2532 ;;
2533 esac
2534
2535 trap "$rm \"$ofile\"; exit 1" 1 2 15
2536 echo "creating $ofile"
2537 $rm "$ofile"
2538 cat <<EOF > "$ofile"
2539 #! $SHELL
2540
2541 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2542 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2543 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2544 #
2545 # Copyright (C) 1996-1999 Free Software Foundation, Inc.
2546 # Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2547 #
2548 # This program is free software; you can redistribute it and/or modify
2549 # it under the terms of the GNU General Public License as published by
2550 # the Free Software Foundation; either version 2 of the License, or
2551 # (at your option) any later version.
2552 #
2553 # This program is distributed in the hope that it will be useful, but
2554 # WITHOUT ANY WARRANTY; without even the implied warranty of
2555 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2556 # General Public License for more details.
2557 #
2558 # You should have received a copy of the GNU General Public License
2559 # along with this program; if not, write to the Free Software
2560 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2561 #
2562 # As a special exception to the GNU General Public License, if you
2563 # distribute this file as part of a program that contains a
2564 # configuration script generated by Autoconf, you may include it under
2565 # the same distribution terms that you use for the rest of that program.
2566
2567 # Sed that helps us avoid accidentally triggering echo(1) options like -n.
2568 Xsed="sed -e s/^X//"
2569
2570 # The HP-UX ksh and POSIX shell print the target directory to stdout
2571 # if CDPATH is set.
2572 if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi
2573
2574 ### BEGIN LIBTOOL CONFIG
2575 EOF
2576 cfgfile="$ofile"
2577 ;;
2578
2579 *)
2580 # Double-quote the variables that need it (for aesthetics).
2581 for var in old_CC old_CFLAGS old_CPPFLAGS \
2582 old_LD old_LDFLAGS old_LIBS \
2583 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
2584 eval "$var=\\\"\$var\\\""
2585 done
2586
2587 # Just create a config file.
2588 cfgfile="$ofile.cfg"
2589 trap "$rm \"$cfgfile\"; exit 1" 1 2 15
2590 echo "creating $cfgfile"
2591 $rm "$cfgfile"
2592 cat <<EOF > "$cfgfile"
2593 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
2594 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2595 EOF
2596 ;;
2597 esac
2598
2599 cat <<EOF >> "$cfgfile"
2600 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2601 #
2602 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2603 # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
2604 # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
2605 # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
2606 # $0$ltconfig_args
2607 #
2608 # Compiler and other test output produced by $progname, useful for
2609 # debugging $progname, is in ./config.log if it exists.
2610
2611 # The version of $progname that generated this script.
2612 LTCONFIG_VERSION=$LTCONFIG_VERSION
2613
2614 # Shell to use when invoking shell scripts.
2615 SHELL=$LTSHELL
2616
2617 # Whether or not to build shared libraries.
2618 build_libtool_libs=$enable_shared
2619
2620 # Whether or not to build static libraries.
2621 build_old_libs=$enable_static
2622
2623 # Whether or not to optimize for fast installation.
2624 fast_install=$enable_fast_install
2625
2626 # The host system.
2627 host_alias=$host_alias
2628 host=$host
2629
2630 # An echo program that does not interpret backslashes.
2631 echo=$ltecho
2632
2633 # The archiver.
2634 AR=$AR
2635
2636 # The default C compiler.
2637 CC=$CC
2638
2639 # The linker used to build libraries.
2640 LD=$LD
2641
2642 # Whether we need hard or soft links.
2643 LN_S=$LN_S
2644
2645 # A BSD-compatible nm program.
2646 NM=$NM
2647
2648 # Used on cygwin: DLL creation program.
2649 DLLTOOL="$DLLTOOL"
2650
2651 # Used on cygwin: object dumper.
2652 OBJDUMP="$OBJDUMP"
2653
2654 # Used on cygwin: assembler.
2655 AS="$AS"
2656
2657 # The name of the directory that contains temporary libtool files.
2658 objdir=$objdir
2659
2660 # How to create reloadable object files.
2661 reload_flag=$reload_flag
2662 reload_cmds=$reload_cmds
2663
2664 # How to pass a linker flag through the compiler.
2665 wl=$wl
2666
2667 # Object file suffix (normally "o").
2668 objext="$objext"
2669
2670 # Old archive suffix (normally "a").
2671 libext="$libext"
2672
2673 # Additional compiler flags for building library objects.
2674 pic_flag=$pic_flag
2675
2676 # Does compiler simultaneously support -c and -o options?
2677 compiler_c_o=$compiler_c_o
2678
2679 # Can we write directly to a .lo ?
2680 compiler_o_lo=$compiler_o_lo
2681
2682 # Must we lock files when doing compilation ?
2683 need_locks=$need_locks
2684
2685 # Do we need the lib prefix for modules?
2686 need_lib_prefix=$need_lib_prefix
2687
2688 # Do we need a version for libraries?
2689 need_version=$need_version
2690
2691 # Whether dlopen is supported.
2692 dlopen=$enable_dlopen
2693
2694 # Whether dlopen of programs is supported.
2695 dlopen_self=$enable_dlopen_self
2696
2697 # Whether dlopen of statically linked programs is supported.
2698 dlopen_self_static=$enable_dlopen_self_static
2699
2700 # Compiler flag to prevent dynamic linking.
2701 link_static_flag=$link_static_flag
2702
2703 # Compiler flag to turn off builtin functions.
2704 no_builtin_flag=$no_builtin_flag
2705
2706 # Compiler flag to allow reflexive dlopens.
2707 export_dynamic_flag_spec=$export_dynamic_flag_spec
2708
2709 # Compiler flag to generate shared objects directly from archives.
2710 whole_archive_flag_spec=$whole_archive_flag_spec
2711
2712 # Compiler flag to generate thread-safe objects.
2713 thread_safe_flag_spec=$thread_safe_flag_spec
2714
2715 # Library versioning type.
2716 version_type=$version_type
2717
2718 # Format of library name prefix.
2719 libname_spec=$libname_spec
2720
2721 # List of archive names. First name is the real one, the rest are links.
2722 # The last name is the one that the linker finds with -lNAME.
2723 library_names_spec=$library_names_spec
2724
2725 # The coded name of the library, if different from the real name.
2726 soname_spec=$soname_spec
2727
2728 # Commands used to build and install an old-style archive.
2729 RANLIB=$RANLIB
2730 old_archive_cmds=$old_archive_cmds
2731 old_postinstall_cmds=$old_postinstall_cmds
2732 old_postuninstall_cmds=$old_postuninstall_cmds
2733
2734 # Create an old-style archive from a shared archive.
2735 old_archive_from_new_cmds=$old_archive_from_new_cmds
2736
2737 # Commands used to build and install a shared archive.
2738 archive_cmds=$archive_cmds
2739 archive_expsym_cmds=$archive_expsym_cmds
2740 postinstall_cmds=$postinstall_cmds
2741 postuninstall_cmds=$postuninstall_cmds
2742
2743 # Method to check whether dependent libraries are shared objects.
2744 deplibs_check_method=$deplibs_check_method
2745
2746 # Command to use when deplibs_check_method == file_magic.
2747 file_magic_cmd=$file_magic_cmd
2748
2749 # Flag that allows shared libraries with undefined symbols to be built.
2750 allow_undefined_flag=$allow_undefined_flag
2751
2752 # Flag that forces no undefined symbols.
2753 no_undefined_flag=$no_undefined_flag
2754
2755 # Commands used to finish a libtool library installation in a directory.
2756 finish_cmds=$finish_cmds
2757
2758 # Same as above, but a single script fragment to be evaled but not shown.
2759 finish_eval=$finish_eval
2760
2761 # Take the output of nm and produce a listing of raw symbols and C names.
2762 global_symbol_pipe=$global_symbol_pipe
2763
2764 # Transform the output of nm in a proper C declaration
2765 global_symbol_to_cdecl=$global_symbol_to_cdecl
2766
2767 # This is the shared library runtime path variable.
2768 runpath_var=$runpath_var
2769
2770 # This is the shared library path variable.
2771 shlibpath_var=$shlibpath_var
2772
2773 # Is shlibpath searched before the hard-coded library search path?
2774 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2775
2776 # How to hardcode a shared library path into an executable.
2777 hardcode_action=$hardcode_action
2778
2779 # Flag to hardcode \$libdir into a binary during linking.
2780 # This must work even if \$libdir does not exist.
2781 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
2782
2783 # Whether we need a single -rpath flag with a separated argument.
2784 hardcode_libdir_separator=$hardcode_libdir_separator
2785
2786 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2787 # resulting binary.
2788 hardcode_direct=$hardcode_direct
2789
2790 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2791 # resulting binary.
2792 hardcode_minus_L=$hardcode_minus_L
2793
2794 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2795 # the resulting binary.
2796 hardcode_shlibpath_var=$hardcode_shlibpath_var
2797
2798 # Compile-time system search path for libraries
2799 sys_lib_search_path_spec=$sys_lib_search_path_spec
2800
2801 # Run-time system search path for libraries
2802 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
2803
2804 # Fix the shell variable \$srcfile for the compiler.
2805 fix_srcfile_path="$fix_srcfile_path"
2806
2807 # Set to yes if exported symbols are required.
2808 always_export_symbols=$always_export_symbols
2809
2810 # The commands to list exported symbols.
2811 export_symbols_cmds=$export_symbols_cmds
2812
2813 # Symbols that should not be listed in the preloaded symbols.
2814 exclude_expsyms=$exclude_expsyms
2815
2816 # Symbols that must always be exported.
2817 include_expsyms=$include_expsyms
2818
2819 EOF
2820
2821 case "$ltmain" in
2822 *.sh)
2823 echo '### END LIBTOOL CONFIG' >> "$ofile"
2824 echo >> "$ofile"
2825 case "$host_os" in
2826 aix3*)
2827 cat <<\EOF >> "$ofile"
2828
2829 # AIX sometimes has problems with the GCC collect2 program. For some
2830 # reason, if we set the COLLECT_NAMES environment variable, the problems
2831 # vanish in a puff of smoke.
2832 if test "${COLLECT_NAMES+set}" != set; then
2833 COLLECT_NAMES=
2834 export COLLECT_NAMES
2835 fi
2836 EOF
2837 ;;
2838 esac
2839
2840 # Append the ltmain.sh script.
2841 cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
2842
2843 chmod +x "$ofile"
2844 ;;
2845
2846 *)
2847 # Compile the libtool program.
2848 echo "FIXME: would compile $ltmain"
2849 ;;
2850 esac
2851
2852 test -n "$cache_file" || exit 0
2853
2854 # AC_CACHE_SAVE
2855 trap '' 1 2 15
2856 cat > confcache <<\EOF
2857 # This file is a shell script that caches the results of configure
2858 # tests run on this system so they can be shared between configure
2859 # scripts and configure runs. It is not useful on other systems.
2860 # If it contains results you don't want to keep, you may remove or edit it.
2861 #
2862 # By default, configure uses ./config.cache as the cache file,
2863 # creating it if it does not exist already. You can give configure
2864 # the --cache-file=FILE option to use a different cache file; that is
2865 # what configure does when it calls configure scripts in
2866 # subdirectories, so they share the cache.
2867 # Giving --cache-file=/dev/null disables caching, for debugging configure.
2868 # config.status only pays attention to the cache file if you give it the
2869 # --recheck option to rerun configure.
2870 #
2871 EOF
2872 # The following way of writing the cache mishandles newlines in values,
2873 # but we know of no workaround that is simple, portable, and efficient.
2874 # So, don't put newlines in cache variables' values.
2875 # Ultrix sh set writes to stderr and can't be redirected directly,
2876 # and sets the high bit in the cache file unless we assign to the vars.
2877 (set) 2>&1 |
2878 case `(ac_space=' '; set | grep ac_space) 2>&1` in
2879 *ac_space=\ *)
2880 # `set' does not quote correctly, so add quotes (double-quote substitution
2881 # turns \\\\ into \\, and sed turns \\ into \).
2882 sed -n \
2883 -e "s/'/'\\\\''/g" \
2884 -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
2885 ;;
2886 *)
2887 # `set' quotes correctly as required by POSIX, so do not add quotes.
2888 sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
2889 ;;
2890 esac >> confcache
2891 if cmp -s $cache_file confcache; then
2892 :
2893 else
2894 if test -w $cache_file; then
2895 echo "updating cache $cache_file"
2896 cat confcache > $cache_file
2897 else
2898 echo "not updating unwritable cache $cache_file"
2899 fi
2900 fi
2901 rm -f confcache
2902
2903 exit 0
2904
2905 # Local Variables:
2906 # mode:shell-script
2907 # sh-indentation:2
2908 # End: