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1 #! /bin/sh
2 # Output a system dependent set of variables, describing how to set the
3 # run time search path of shared libraries in an executable.
4 #
5 # Copyright 1996-2010 Free Software Foundation, Inc.
6 # Taken from GNU libtool, 2001
7 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
8 #
9 # This file is free software; the Free Software Foundation gives
10 # unlimited permission to copy and/or distribute it, with or without
11 # modifications, as long as this notice is preserved.
12 #
13 # The first argument passed to this file is the canonical host specification,
14 # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
15 # or
16 # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
17 # The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
18 # should be set by the caller.
19 #
20 # The set of defined variables is at the end of this script.
21
22 # Known limitations:
23 # - On IRIX 6.5 with CC="cc", the run time search patch must not be longer
24 # than 256 bytes, otherwise the compiler driver will dump core. The only
25 # known workaround is to choose shorter directory names for the build
26 # directory and/or the installation directory.
27
28 # All known linkers require a `.a' archive for static linking (except MSVC,
29 # which needs '.lib').
30 libext=a
31 shrext=.so
32
33 host="$1"
34 host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
35 host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
36 host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
37
38 # Code taken from libtool.m4's _LT_CC_BASENAME.
39
40 for cc_temp in $CC""; do
41 case $cc_temp in
42 compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
43 distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
44 \-*) ;;
45 *) break;;
46 esac
47 done
48 cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'`
49
50 # Code taken from libtool.m4's _LT_COMPILER_PIC.
51
52 wl=
53 if test "$GCC" = yes; then
54 wl='-Wl,'
55 else
56 case "$host_os" in
57 aix*)
58 wl='-Wl,'
59 ;;
60 darwin*)
61 case $cc_basename in
62 xlc*)
63 wl='-Wl,'
64 ;;
65 esac
66 ;;
67 mingw* | cygwin* | pw32* | os2* | cegcc*)
68 ;;
69 hpux9* | hpux10* | hpux11*)
70 wl='-Wl,'
71 ;;
72 irix5* | irix6* | nonstopux*)
73 wl='-Wl,'
74 ;;
75 newsos6)
76 ;;
77 linux* | k*bsd*-gnu)
78 case $cc_basename in
79 ecc*)
80 wl='-Wl,'
81 ;;
82 icc* | ifort*)
83 wl='-Wl,'
84 ;;
85 lf95*)
86 wl='-Wl,'
87 ;;
88 pgcc | pgf77 | pgf90)
89 wl='-Wl,'
90 ;;
91 ccc*)
92 wl='-Wl,'
93 ;;
94 como)
95 wl='-lopt='
96 ;;
97 *)
98 case `$CC -V 2>&1 | sed 5q` in
99 *Sun\ C*)
100 wl='-Wl,'
101 ;;
102 esac
103 ;;
104 esac
105 ;;
106 osf3* | osf4* | osf5*)
107 wl='-Wl,'
108 ;;
109 rdos*)
110 ;;
111 solaris*)
112 wl='-Wl,'
113 ;;
114 sunos4*)
115 wl='-Qoption ld '
116 ;;
117 sysv4 | sysv4.2uw2* | sysv4.3*)
118 wl='-Wl,'
119 ;;
120 sysv4*MP*)
121 ;;
122 sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
123 wl='-Wl,'
124 ;;
125 unicos*)
126 wl='-Wl,'
127 ;;
128 uts4*)
129 ;;
130 esac
131 fi
132
133 # Code taken from libtool.m4's _LT_LINKER_SHLIBS.
134
135 hardcode_libdir_flag_spec=
136 hardcode_libdir_separator=
137 hardcode_direct=no
138 hardcode_minus_L=no
139
140 case "$host_os" in
141 cygwin* | mingw* | pw32* | cegcc*)
142 # FIXME: the MSVC++ port hasn't been tested in a loooong time
143 # When not using gcc, we currently assume that we are using
144 # Microsoft Visual C++.
145 if test "$GCC" != yes; then
146 with_gnu_ld=no
147 fi
148 ;;
149 interix*)
150 # we just hope/assume this is gcc and not c89 (= MSVC++)
151 with_gnu_ld=yes
152 ;;
153 openbsd*)
154 with_gnu_ld=no
155 ;;
156 esac
157
158 ld_shlibs=yes
159 if test "$with_gnu_ld" = yes; then
160 # Set some defaults for GNU ld with shared library support. These
161 # are reset later if shared libraries are not supported. Putting them
162 # here allows them to be overridden if necessary.
163 # Unlike libtool, we use -rpath here, not --rpath, since the documented
164 # option of GNU ld is called -rpath, not --rpath.
165 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
166 case "$host_os" in
167 aix[3-9]*)
168 # On AIX/PPC, the GNU linker is very broken
169 if test "$host_cpu" != ia64; then
170 ld_shlibs=no
171 fi
172 ;;
173 amigaos*)
174 hardcode_libdir_flag_spec='-L$libdir'
175 hardcode_minus_L=yes
176 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
177 # that the semantics of dynamic libraries on AmigaOS, at least up
178 # to version 4, is to share data among multiple programs linked
179 # with the same dynamic library. Since this doesn't match the
180 # behavior of shared libraries on other platforms, we cannot use
181 # them.
182 ld_shlibs=no
183 ;;
184 beos*)
185 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
186 :
187 else
188 ld_shlibs=no
189 fi
190 ;;
191 cygwin* | mingw* | pw32* | cegcc*)
192 # hardcode_libdir_flag_spec is actually meaningless, as there is
193 # no search path for DLLs.
194 hardcode_libdir_flag_spec='-L$libdir'
195 if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
196 :
197 else
198 ld_shlibs=no
199 fi
200 ;;
201 interix[3-9]*)
202 hardcode_direct=no
203 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
204 ;;
205 gnu* | linux* | k*bsd*-gnu)
206 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
207 :
208 else
209 ld_shlibs=no
210 fi
211 ;;
212 netbsd*)
213 ;;
214 solaris*)
215 if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
216 ld_shlibs=no
217 elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
218 :
219 else
220 ld_shlibs=no
221 fi
222 ;;
223 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
224 case `$LD -v 2>&1` in
225 *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
226 ld_shlibs=no
227 ;;
228 *)
229 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
230 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
231 else
232 ld_shlibs=no
233 fi
234 ;;
235 esac
236 ;;
237 sunos4*)
238 hardcode_direct=yes
239 ;;
240 *)
241 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
242 :
243 else
244 ld_shlibs=no
245 fi
246 ;;
247 esac
248 if test "$ld_shlibs" = no; then
249 hardcode_libdir_flag_spec=
250 fi
251 else
252 case "$host_os" in
253 aix3*)
254 # Note: this linker hardcodes the directories in LIBPATH if there
255 # are no directories specified by -L.
256 hardcode_minus_L=yes
257 if test "$GCC" = yes; then
258 # Neither direct hardcoding nor static linking is supported with a
259 # broken collect2.
260 hardcode_direct=unsupported
261 fi
262 ;;
263 aix[4-9]*)
264 if test "$host_cpu" = ia64; then
265 # On IA64, the linker does run time linking by default, so we don't
266 # have to do anything special.
267 aix_use_runtimelinking=no
268 else
269 aix_use_runtimelinking=no
270 # Test if we are trying to use run time linking or normal
271 # AIX style linking. If -brtl is somewhere in LDFLAGS, we
272 # need to do runtime linking.
273 case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
274 for ld_flag in $LDFLAGS; do
275 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
276 aix_use_runtimelinking=yes
277 break
278 fi
279 done
280 ;;
281 esac
282 fi
283 hardcode_direct=yes
284 hardcode_libdir_separator=':'
285 if test "$GCC" = yes; then
286 case $host_os in aix4.[012]|aix4.[012].*)
287 collect2name=`${CC} -print-prog-name=collect2`
288 if test -f "$collect2name" && \
289 strings "$collect2name" | grep resolve_lib_name >/dev/null
290 then
291 # We have reworked collect2
292 :
293 else
294 # We have old collect2
295 hardcode_direct=unsupported
296 hardcode_minus_L=yes
297 hardcode_libdir_flag_spec='-L$libdir'
298 hardcode_libdir_separator=
299 fi
300 ;;
301 esac
302 fi
303 # Begin _LT_AC_SYS_LIBPATH_AIX.
304 echo 'int main () { return 0; }' > conftest.c
305 ${CC} ${LDFLAGS} conftest.c -o conftest
306 aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
307 }'`
308 if test -z "$aix_libpath"; then
309 aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
310 }'`
311 fi
312 if test -z "$aix_libpath"; then
313 aix_libpath="/usr/lib:/lib"
314 fi
315 rm -f conftest.c conftest
316 # End _LT_AC_SYS_LIBPATH_AIX.
317 if test "$aix_use_runtimelinking" = yes; then
318 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
319 else
320 if test "$host_cpu" = ia64; then
321 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
322 else
323 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
324 fi
325 fi
326 ;;
327 amigaos*)
328 hardcode_libdir_flag_spec='-L$libdir'
329 hardcode_minus_L=yes
330 # see comment about different semantics on the GNU ld section
331 ld_shlibs=no
332 ;;
333 bsdi[45]*)
334 ;;
335 cygwin* | mingw* | pw32* | cegcc*)
336 # When not using gcc, we currently assume that we are using
337 # Microsoft Visual C++.
338 # hardcode_libdir_flag_spec is actually meaningless, as there is
339 # no search path for DLLs.
340 hardcode_libdir_flag_spec=' '
341 libext=lib
342 ;;
343 darwin* | rhapsody*)
344 hardcode_direct=no
345 if test "$GCC" = yes ; then
346 :
347 else
348 case $cc_basename in
349 xlc*)
350 ;;
351 *)
352 ld_shlibs=no
353 ;;
354 esac
355 fi
356 ;;
357 dgux*)
358 hardcode_libdir_flag_spec='-L$libdir'
359 ;;
360 freebsd1*)
361 ld_shlibs=no
362 ;;
363 freebsd2.2*)
364 hardcode_libdir_flag_spec='-R$libdir'
365 hardcode_direct=yes
366 ;;
367 freebsd2*)
368 hardcode_direct=yes
369 hardcode_minus_L=yes
370 ;;
371 freebsd* | dragonfly*)
372 hardcode_libdir_flag_spec='-R$libdir'
373 hardcode_direct=yes
374 ;;
375 hpux9*)
376 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
377 hardcode_libdir_separator=:
378 hardcode_direct=yes
379 # hardcode_minus_L: Not really in the search PATH,
380 # but as the default location of the library.
381 hardcode_minus_L=yes
382 ;;
383 hpux10*)
384 if test "$with_gnu_ld" = no; then
385 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
386 hardcode_libdir_separator=:
387 hardcode_direct=yes
388 # hardcode_minus_L: Not really in the search PATH,
389 # but as the default location of the library.
390 hardcode_minus_L=yes
391 fi
392 ;;
393 hpux11*)
394 if test "$with_gnu_ld" = no; then
395 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
396 hardcode_libdir_separator=:
397 case $host_cpu in
398 hppa*64*|ia64*)
399 hardcode_direct=no
400 ;;
401 *)
402 hardcode_direct=yes
403 # hardcode_minus_L: Not really in the search PATH,
404 # but as the default location of the library.
405 hardcode_minus_L=yes
406 ;;
407 esac
408 fi
409 ;;
410 irix5* | irix6* | nonstopux*)
411 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
412 hardcode_libdir_separator=:
413 ;;
414 netbsd*)
415 hardcode_libdir_flag_spec='-R$libdir'
416 hardcode_direct=yes
417 ;;
418 newsos6)
419 hardcode_direct=yes
420 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
421 hardcode_libdir_separator=:
422 ;;
423 openbsd*)
424 if test -f /usr/libexec/ld.so; then
425 hardcode_direct=yes
426 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
427 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
428 else
429 case "$host_os" in
430 openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
431 hardcode_libdir_flag_spec='-R$libdir'
432 ;;
433 *)
434 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
435 ;;
436 esac
437 fi
438 else
439 ld_shlibs=no
440 fi
441 ;;
442 os2*)
443 hardcode_libdir_flag_spec='-L$libdir'
444 hardcode_minus_L=yes
445 ;;
446 osf3*)
447 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
448 hardcode_libdir_separator=:
449 ;;
450 osf4* | osf5*)
451 if test "$GCC" = yes; then
452 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
453 else
454 # Both cc and cxx compiler support -rpath directly
455 hardcode_libdir_flag_spec='-rpath $libdir'
456 fi
457 hardcode_libdir_separator=:
458 ;;
459 solaris*)
460 hardcode_libdir_flag_spec='-R$libdir'
461 ;;
462 sunos4*)
463 hardcode_libdir_flag_spec='-L$libdir'
464 hardcode_direct=yes
465 hardcode_minus_L=yes
466 ;;
467 sysv4)
468 case $host_vendor in
469 sni)
470 hardcode_direct=yes # is this really true???
471 ;;
472 siemens)
473 hardcode_direct=no
474 ;;
475 motorola)
476 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
477 ;;
478 esac
479 ;;
480 sysv4.3*)
481 ;;
482 sysv4*MP*)
483 if test -d /usr/nec; then
484 ld_shlibs=yes
485 fi
486 ;;
487 sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
488 ;;
489 sysv5* | sco3.2v5* | sco5v6*)
490 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
491 hardcode_libdir_separator=':'
492 ;;
493 uts4*)
494 hardcode_libdir_flag_spec='-L$libdir'
495 ;;
496 *)
497 ld_shlibs=no
498 ;;
499 esac
500 fi
501
502 # Check dynamic linker characteristics
503 # Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER.
504 # Unlike libtool.m4, here we don't care about _all_ names of the library, but
505 # only about the one the linker finds when passed -lNAME. This is the last
506 # element of library_names_spec in libtool.m4, or possibly two of them if the
507 # linker has special search rules.
508 library_names_spec= # the last element of library_names_spec in libtool.m4
509 libname_spec='lib$name'
510 case "$host_os" in
511 aix3*)
512 library_names_spec='$libname.a'
513 ;;
514 aix[4-9]*)
515 library_names_spec='$libname$shrext'
516 ;;
517 amigaos*)
518 library_names_spec='$libname.a'
519 ;;
520 beos*)
521 library_names_spec='$libname$shrext'
522 ;;
523 bsdi[45]*)
524 library_names_spec='$libname$shrext'
525 ;;
526 cygwin* | mingw* | pw32* | cegcc*)
527 shrext=.dll
528 library_names_spec='$libname.dll.a $libname.lib'
529 ;;
530 darwin* | rhapsody*)
531 shrext=.dylib
532 library_names_spec='$libname$shrext'
533 ;;
534 dgux*)
535 library_names_spec='$libname$shrext'
536 ;;
537 freebsd1*)
538 ;;
539 freebsd* | dragonfly*)
540 case "$host_os" in
541 freebsd[123]*)
542 library_names_spec='$libname$shrext$versuffix' ;;
543 *)
544 library_names_spec='$libname$shrext' ;;
545 esac
546 ;;
547 gnu*)
548 library_names_spec='$libname$shrext'
549 ;;
550 hpux9* | hpux10* | hpux11*)
551 case $host_cpu in
552 ia64*)
553 shrext=.so
554 ;;
555 hppa*64*)
556 shrext=.sl
557 ;;
558 *)
559 shrext=.sl
560 ;;
561 esac
562 library_names_spec='$libname$shrext'
563 ;;
564 interix[3-9]*)
565 library_names_spec='$libname$shrext'
566 ;;
567 irix5* | irix6* | nonstopux*)
568 library_names_spec='$libname$shrext'
569 case "$host_os" in
570 irix5* | nonstopux*)
571 libsuff= shlibsuff=
572 ;;
573 *)
574 case $LD in
575 *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
576 *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
577 *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
578 *) libsuff= shlibsuff= ;;
579 esac
580 ;;
581 esac
582 ;;
583 linux*oldld* | linux*aout* | linux*coff*)
584 ;;
585 linux* | k*bsd*-gnu)
586 library_names_spec='$libname$shrext'
587 ;;
588 knetbsd*-gnu)
589 library_names_spec='$libname$shrext'
590 ;;
591 netbsd*)
592 library_names_spec='$libname$shrext'
593 ;;
594 newsos6)
595 library_names_spec='$libname$shrext'
596 ;;
597 nto-qnx*)
598 library_names_spec='$libname$shrext'
599 ;;
600 openbsd*)
601 library_names_spec='$libname$shrext$versuffix'
602 ;;
603 os2*)
604 libname_spec='$name'
605 shrext=.dll
606 library_names_spec='$libname.a'
607 ;;
608 osf3* | osf4* | osf5*)
609 library_names_spec='$libname$shrext'
610 ;;
611 rdos*)
612 ;;
613 solaris*)
614 library_names_spec='$libname$shrext'
615 ;;
616 sunos4*)
617 library_names_spec='$libname$shrext$versuffix'
618 ;;
619 sysv4 | sysv4.3*)
620 library_names_spec='$libname$shrext'
621 ;;
622 sysv4*MP*)
623 library_names_spec='$libname$shrext'
624 ;;
625 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
626 library_names_spec='$libname$shrext'
627 ;;
628 uts4*)
629 library_names_spec='$libname$shrext'
630 ;;
631 esac
632
633 sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
634 escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
635 shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
636 escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
637 escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
638 escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
639
640 LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
641
642 # How to pass a linker flag through the compiler.
643 wl="$escaped_wl"
644
645 # Static library suffix (normally "a").
646 libext="$libext"
647
648 # Shared library suffix (normally "so").
649 shlibext="$shlibext"
650
651 # Format of library name prefix.
652 libname_spec="$escaped_libname_spec"
653
654 # Library names that the linker finds when passed -lNAME.
655 library_names_spec="$escaped_library_names_spec"
656
657 # Flag to hardcode \$libdir into a binary during linking.
658 # This must work even if \$libdir does not exist.
659 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
660
661 # Whether we need a single -rpath flag with a separated argument.
662 hardcode_libdir_separator="$hardcode_libdir_separator"
663
664 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
665 # resulting binary.
666 hardcode_direct="$hardcode_direct"
667
668 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
669 # resulting binary.
670 hardcode_minus_L="$hardcode_minus_L"
671
672 EOF