]>
Commit | Line | Data |
---|---|---|
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: |