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
514