source: trunk/diffutils/config/config.rpath@ 2946

Last change on this file since 2946 was 2556, checked in by bird, 20 years ago

diffutils 2.8.1
File size: 13.8 KB
Line 
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 1996-2002 Free Software Foundation, Inc.
6# Taken from GNU libtool, 2001
7# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
8#
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful, but
15# WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17# General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program; if not, write to the Free Software
21# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22#
23# As a special exception to the GNU General Public License, if you
24# distribute this file as part of a program that contains a
25# configuration script generated by Autoconf, you may include it under
26# the same distribution terms that you use for the rest of that program.
27#
28# The first argument passed to this file is the canonical host specification,
29# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
30# or
31# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
32# The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld
33# should be set by the caller.
34#
35# The set of defined variables is at the end of this script.
36
37# All known linkers require a `.a' archive for static linking (except M$VC,
38# which needs '.lib').
39libext=a
40shlibext=
41
42host="$1"
43host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
44host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
45host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
46
47wl=
48if test "$GCC" = yes; then
49 wl='-Wl,'
50else
51 case "$host_os" in
52 aix3* | aix4* | aix5*)
53 wl='-Wl,'
54 ;;
55 hpux9* | hpux10* | hpux11*)
56 wl='-Wl,'
57 ;;
58 irix5* | irix6*)
59 wl='-Wl,'
60 ;;
61 linux*)
62 echo '__INTEL_COMPILER' > conftest.$ac_ext
63 if $CC -E conftest.$ac_ext >/dev/null | grep __INTEL_COMPILER >/dev/null
64 then
65 :
66 else
67 # Intel icc
68 wl='-Qoption,ld,'
69 fi
70 ;;
71 osf3* | osf4* | osf5*)
72 wl='-Wl,'
73 ;;
74 solaris*)
75 wl='-Wl,'
76 ;;
77 sunos4*)
78 wl='-Qoption ld '
79 ;;
80 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
81 if test "x$host_vendor" = xsni; then
82 wl='-LD'
83 else
84 wl='-Wl,'
85 fi
86 ;;
87 esac
88fi
89
90hardcode_libdir_flag_spec=
91hardcode_libdir_separator=
92hardcode_direct=no
93hardcode_minus_L=no
94
95case "$host_os" in
96 cygwin* | mingw* | pw32*)
97 # FIXME: the MSVC++ port hasn't been tested in a loooong time
98 # When not using gcc, we currently assume that we are using
99 # Microsoft Visual C++.
100 if test "$GCC" != yes; then
101 with_gnu_ld=no
102 fi
103 ;;
104 openbsd*)
105 with_gnu_ld=no
106 ;;
107esac
108
109ld_shlibs=yes
110if test "$with_gnu_ld" = yes; then
111 case "$host_os" in
112 aix3* | aix4* | aix5*)
113 # On AIX, the GNU linker is very broken
114 ld_shlibs=no
115 ;;
116 amigaos*)
117 hardcode_libdir_flag_spec='-L$libdir'
118 hardcode_minus_L=yes
119 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
120 # that the semantics of dynamic libraries on AmigaOS, at least up
121 # to version 4, is to share data among multiple programs linked
122 # with the same dynamic library. Since this doesn't match the
123 # behavior of shared libraries on other platforms, we can use
124 # them.
125 ld_shlibs=no
126 ;;
127 beos*)
128 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
129 :
130 else
131 ld_shlibs=no
132 fi
133 ;;
134 cygwin* | mingw* | pw32*)
135 # hardcode_libdir_flag_spec is actually meaningless, as there is
136 # no search path for DLLs.
137 hardcode_libdir_flag_spec='-L$libdir'
138 ;;
139 solaris* | sysv5*)
140 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
141 ld_shlibs=no
142 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
143 :
144 else
145 ld_shlibs=no
146 fi
147 ;;
148 sunos4*)
149 hardcode_direct=yes
150 ;;
151 *)
152 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
153 :
154 else
155 ld_shlibs=no
156 fi
157 ;;
158 esac
159 if test "$ld_shlibs" = yes; then
160 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
161 fi
162else
163 case "$host_os" in
164 aix3*)
165 # Note: this linker hardcodes the directories in LIBPATH if there
166 # are no directories specified by -L.
167 hardcode_minus_L=yes
168 if test "$GCC" = yes; then
169 # Neither direct hardcoding nor static linking is supported with a
170 # broken collect2.
171 hardcode_direct=unsupported
172 fi
173 ;;
174 aix4* | aix5*)
175 if test "$host_cpu" = ia64; then
176 # On IA64, the linker does run time linking by default, so we don't
177 # have to do anything special.
178 aix_use_runtimelinking=no
179 else
180 aix_use_runtimelinking=no
181 # Test if we are trying to use run time linking or normal
182 # AIX style linking. If -brtl is somewhere in LDFLAGS, we
183 # need to do runtime linking.
184 case $host_os in aix4.[23]|aix4.[23].*|aix5*)
185 for ld_flag in $LDFLAGS; do
186 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
187 aix_use_runtimelinking=yes
188 break
189 fi
190 done
191 esac
192 fi
193 hardcode_direct=yes
194 hardcode_libdir_separator=':'
195 if test "$GCC" = yes; then
196 case $host_os in aix4.[012]|aix4.[012].*)
197 collect2name=`${CC} -print-prog-name=collect2`
198 if test -f "$collect2name" && \
199 strings "$collect2name" | grep resolve_lib_name >/dev/null
200 then
201 # We have reworked collect2
202 hardcode_direct=yes
203 else
204 # We have old collect2
205 hardcode_direct=unsupported
206 hardcode_minus_L=yes
207 hardcode_libdir_flag_spec='-L$libdir'
208 hardcode_libdir_separator=
209 fi
210 esac
211 fi
212 if test "$aix_use_runtimelinking" = yes; then
213 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
214 else
215 if test "$host_cpu" = ia64; then
216 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
217 else
218 hardcode_libdir_flag_spec='${wl}-bnolibpath ${wl}-blibpath:$libdir:/usr/lib:/lib'
219 fi
220 fi
221 ;;
222 amigaos*)
223 hardcode_libdir_flag_spec='-L$libdir'
224 hardcode_minus_L=yes
225 # see comment about different semantics on the GNU ld section
226 ld_shlibs=no
227 ;;
228 cygwin* | mingw* | pw32*)
229 # When not using gcc, we currently assume that we are using
230 # Microsoft Visual C++.
231 # hardcode_libdir_flag_spec is actually meaningless, as there is
232 # no search path for DLLs.
233 hardcode_libdir_flag_spec=' '
234 libext=lib
235 ;;
236 darwin* | rhapsody*)
237 hardcode_direct=yes
238 ;;
239 freebsd1*)
240 ld_shlibs=no
241 ;;
242 freebsd2.2*)
243 hardcode_libdir_flag_spec='-R$libdir'
244 hardcode_direct=yes
245 ;;
246 freebsd2*)
247 hardcode_direct=yes
248 hardcode_minus_L=yes
249 ;;
250 freebsd*)
251 hardcode_libdir_flag_spec='-R$libdir'
252 hardcode_direct=yes
253 ;;
254 hpux9* | hpux10* | hpux11*)
255 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
256 hardcode_libdir_separator=:
257 hardcode_direct=yes
258 hardcode_minus_L=yes # Not in the search PATH, but as the default
259 # location of the library.
260 ;;
261 irix5* | irix6*)
262 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
263 hardcode_libdir_separator=:
264 ;;
265 netbsd*)
266 hardcode_libdir_flag_spec='-R$libdir'
267 hardcode_direct=yes
268 ;;
269 newsos6)
270 hardcode_direct=yes
271 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
272 hardcode_libdir_separator=:
273 ;;
274 openbsd*)
275 hardcode_direct=yes
276 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
277 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
278 else
279 case "$host_os" in
280 openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
281 hardcode_libdir_flag_spec='-R$libdir'
282 ;;
283 *)
284 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
285 ;;
286 esac
287 fi
288 ;;
289 os2*)
290 hardcode_libdir_flag_spec='-L$libdir'
291 hardcode_minus_L=yes
292 ;;
293 osf3*)
294 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
295 hardcode_libdir_separator=:
296 ;;
297 osf4* | osf5*)
298 if test "$GCC" = yes; then
299 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
300 else
301 # Both cc and cxx compiler support -rpath directly
302 hardcode_libdir_flag_spec='-rpath $libdir'
303 fi
304 hardcode_libdir_separator=:
305 ;;
306 sco3.2v5*)
307 ;;
308 solaris*)
309 hardcode_libdir_flag_spec='-R$libdir'
310 ;;
311 sunos4*)
312 hardcode_libdir_flag_spec='-L$libdir'
313 hardcode_direct=yes
314 hardcode_minus_L=yes
315 ;;
316 sysv4)
317 if test "x$host_vendor" = xsno; then
318 hardcode_direct=yes # is this really true???
319 else
320 hardcode_direct=no # Motorola manual says yes, but my tests say they lie
321 fi
322 ;;
323 sysv4.3*)
324 ;;
325 sysv5*)
326 hardcode_libdir_flag_spec=
327 ;;
328 uts4*)
329 hardcode_libdir_flag_spec='-L$libdir'
330 ;;
331 dgux*)
332 hardcode_libdir_flag_spec='-L$libdir'
333 ;;
334 sysv4*MP*)
335 if test -d /usr/nec; then
336 ld_shlibs=yes
337 fi
338 ;;
339 sysv4.2uw2*)
340 hardcode_direct=yes
341 hardcode_minus_L=no
342 ;;
343 sysv5uw7* | unixware7*)
344 ;;
345 *)
346 ld_shlibs=no
347 ;;
348 esac
349fi
350
351# Check dynamic linker characteristics
352libname_spec='lib$name'
353sys_lib_dlsearch_path_spec="/lib /usr/lib"
354sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
355case "$host_os" in
356 aix3*)
357 shlibext=so
358 ;;
359 aix4* | aix5*)
360 shlibext=so
361 ;;
362 amigaos*)
363 shlibext=ixlibrary
364 ;;
365 beos*)
366 shlibext=so
367 ;;
368 bsdi4*)
369 shlibext=so
370 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
371 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
372 ;;
373 cygwin* | mingw* | pw32*)
374 case $GCC,$host_os in
375 yes,cygwin*)
376 shlibext=dll.a
377 ;;
378 yes,mingw*)
379 shlibext=dll
380 sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | sed -e "s/^libraries://" -e "s/;/ /g"`
381 ;;
382 yes,pw32*)
383 shlibext=dll
384 ;;
385 *)
386 shlibext=dll
387 ;;
388 esac
389 ;;
390 darwin* | rhapsody*)
391 shlibext=dylib
392 ;;
393 freebsd1*)
394 ;;
395 freebsd*)
396 shlibext=so
397 ;;
398 gnu*)
399 shlibext=so
400 ;;
401 hpux9* | hpux10* | hpux11*)
402 shlibext=sl
403 ;;
404 irix5* | irix6*)
405 shlibext=so
406 case "$host_os" in
407 irix5*)
408 libsuff= shlibsuff=
409 ;;
410 *)
411 case $LD in
412 *-32|*"-32 ") libsuff= shlibsuff= ;;
413 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 ;;
414 *-64|*"-64 ") libsuff=64 shlibsuff=64 ;;
415 *) libsuff= shlibsuff= ;;
416 esac
417 ;;
418 esac
419 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
420 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
421 ;;
422 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
423 ;;
424 linux-gnu*)
425 shlibext=so
426 ;;
427 netbsd*)
428 shlibext=so
429 ;;
430 newsos6)
431 shlibext=so
432 ;;
433 openbsd*)
434 shlibext=so
435 ;;
436 os2*)
437 libname_spec='$name'
438 shlibext=dll
439 ;;
440 osf3* | osf4* | osf5*)
441 shlibext=so
442 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
443 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
444 ;;
445 sco3.2v5*)
446 shlibext=so
447 ;;
448 solaris*)
449 shlibext=so
450 ;;
451 sunos4*)
452 shlibext=so
453 ;;
454 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
455 shlibext=so
456 case "$host_vendor" in
457 motorola)
458 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
459 ;;
460 esac
461 ;;
462 uts4*)
463 shlibext=so
464 ;;
465 dgux*)
466 shlibext=so
467 ;;
468 sysv4*MP*)
469 if test -d /usr/nec; then
470 shlibext=so
471 fi
472 ;;
473esac
474
475sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
476escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
477escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
478escaped_sys_lib_search_path_spec=`echo "X$sys_lib_search_path_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
479escaped_sys_lib_dlsearch_path_spec=`echo "X$sys_lib_dlsearch_path_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
480
481sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
482
483# How to pass a linker flag through the compiler.
484wl="$escaped_wl"
485
486# Static library suffix (normally "a").
487libext="$libext"
488
489# Shared library suffix (normally "so").
490shlibext="$shlibext"
491
492# Flag to hardcode \$libdir into a binary during linking.
493# This must work even if \$libdir does not exist.
494hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
495
496# Whether we need a single -rpath flag with a separated argument.
497hardcode_libdir_separator="$hardcode_libdir_separator"
498
499# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
500# resulting binary.
501hardcode_direct="$hardcode_direct"
502
503# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
504# resulting binary.
505hardcode_minus_L="$hardcode_minus_L"
506
507# Compile-time system search path for libraries
508sys_lib_search_path_spec="$escaped_sys_lib_search_path_spec"
509
510# Run-time system search path for libraries
511sys_lib_dlsearch_path_spec="$escaped_sys_lib_dlsearch_path_spec"
512
513EOF
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