2
# Output a system dependent set of variables, describing how to set the
3
# run time search path of shared libraries in an executable.
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
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.
13
# The first argument passed to this file is the canonical host specification,
14
# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
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.
20
# The set of defined variables is at the end of this script.
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.
28
# All known linkers require a `.a' archive for static linking (except MSVC,
29
# which needs '.lib').
34
host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
35
host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
36
host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
38
# Code taken from libtool.m4's _LT_CC_BASENAME.
40
for cc_temp in $CC""; do
42
compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
43
distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
48
cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'`
50
# Code taken from libtool.m4's _LT_COMPILER_PIC.
53
if test "$GCC" = yes; then
67
mingw* | cygwin* | pw32* | os2* | cegcc*)
69
hpux9* | hpux10* | hpux11*)
72
irix5* | irix6* | nonstopux*)
98
case `$CC -V 2>&1 | sed 5q` in
106
osf3* | osf4* | osf5*)
117
sysv4 | sysv4.2uw2* | sysv4.3*)
122
sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
133
# Code taken from libtool.m4's _LT_LINKER_SHLIBS.
135
hardcode_libdir_flag_spec=
136
hardcode_libdir_separator=
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 "$GCC" != yes; then
150
# we just hope/assume this is gcc and not c89 (= MSVC++)
159
if test "$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'
168
# On AIX/PPC, the GNU linker is very broken
169
if test "$host_cpu" != ia64; then
174
hardcode_libdir_flag_spec='-L$libdir'
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
185
if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
191
cygwin* | mingw* | pw32* | cegcc*)
192
# hardcode_libdir_flag_spec is actually meaningless, as there is
193
# no search path for DLLs.
194
hardcode_libdir_flag_spec='-L$libdir'
195
if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
203
hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
205
gnu* | linux* | k*bsd*-gnu)
206
if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
215
if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
217
elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
223
sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
224
case `$LD -v 2>&1` in
225
*\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
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`'
241
if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
248
if test "$ld_shlibs" = no; then
249
hardcode_libdir_flag_spec=
254
# Note: this linker hardcodes the directories in LIBPATH if there
255
# are no directories specified by -L.
257
if test "$GCC" = yes; then
258
# Neither direct hardcoding nor static linking is supported with a
260
hardcode_direct=unsupported
264
if test "$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
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 $ld_flag = "-Wl,-brtl"); then
276
aix_use_runtimelinking=yes
284
hardcode_libdir_separator=':'
285
if test "$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
291
# We have reworked collect2
294
# We have old collect2
295
hardcode_direct=unsupported
297
hardcode_libdir_flag_spec='-L$libdir'
298
hardcode_libdir_separator=
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 *\(.*\)$/\1/; p; }
308
if test -z "$aix_libpath"; then
309
aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
312
if test -z "$aix_libpath"; then
313
aix_libpath="/usr/lib:/lib"
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"
320
if test "$host_cpu" = ia64; then
321
hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
323
hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
328
hardcode_libdir_flag_spec='-L$libdir'
330
# see comment about different semantics on the GNU ld section
335
cygwin* | mingw* | pw32* | cegcc*)
336
# When not using gcc, we currently assume that we are using
337
# Microsoft Visual C++.
338
# hardcode_libdir_flag_spec is actually meaningless, as there is
339
# no search path for DLLs.
340
hardcode_libdir_flag_spec=' '
345
if test "$GCC" = yes ; then
358
hardcode_libdir_flag_spec='-L$libdir'
364
hardcode_libdir_flag_spec='-R$libdir'
371
freebsd* | dragonfly*)
372
hardcode_libdir_flag_spec='-R$libdir'
376
hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
377
hardcode_libdir_separator=:
379
# hardcode_minus_L: Not really in the search PATH,
380
# but as the default location of the library.
384
if test "$with_gnu_ld" = no; then
385
hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
386
hardcode_libdir_separator=:
388
# hardcode_minus_L: Not really in the search PATH,
389
# but as the default location of the library.
394
if test "$with_gnu_ld" = no; then
395
hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
396
hardcode_libdir_separator=:
403
# hardcode_minus_L: Not really in the search PATH,
404
# but as the default location of the library.
410
irix5* | irix6* | nonstopux*)
411
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
412
hardcode_libdir_separator=:
415
hardcode_libdir_flag_spec='-R$libdir'
420
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
421
hardcode_libdir_separator=:
424
if test -f /usr/libexec/ld.so; then
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,$libdir'
430
openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
431
hardcode_libdir_flag_spec='-R$libdir'
434
hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
443
hardcode_libdir_flag_spec='-L$libdir'
447
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
448
hardcode_libdir_separator=:
451
if test "$GCC" = yes; then
452
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
454
# Both cc and cxx compiler support -rpath directly
455
hardcode_libdir_flag_spec='-rpath $libdir'
457
hardcode_libdir_separator=:
460
hardcode_libdir_flag_spec='-R$libdir'
463
hardcode_libdir_flag_spec='-L$libdir'
470
hardcode_direct=yes # is this really true???
476
hardcode_direct=no #Motorola manual says yes, but my tests say they lie
483
if test -d /usr/nec; then
487
sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
489
sysv5* | sco3.2v5* | sco5v6*)
490
hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
491
hardcode_libdir_separator=':'
494
hardcode_libdir_flag_spec='-L$libdir'
502
# Check dynamic linker characteristics
503
# Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER.
504
# Unlike libtool.m4, here we don't care about _all_ names of the library, but
505
# only about the one the linker finds when passed -lNAME. This is the last
506
# element of library_names_spec in libtool.m4, or possibly two of them if the
507
# linker has special search rules.
508
library_names_spec= # the last element of library_names_spec in libtool.m4
509
libname_spec='lib$name'
512
library_names_spec='$libname.a'
515
library_names_spec='$libname$shrext'
518
library_names_spec='$libname.a'
521
library_names_spec='$libname$shrext'
524
library_names_spec='$libname$shrext'
526
cygwin* | mingw* | pw32* | cegcc*)
528
library_names_spec='$libname.dll.a $libname.lib'
532
library_names_spec='$libname$shrext'
535
library_names_spec='$libname$shrext'
539
freebsd* | dragonfly*)
542
library_names_spec='$libname$shrext$versuffix' ;;
544
library_names_spec='$libname$shrext' ;;
548
library_names_spec='$libname$shrext'
550
hpux9* | hpux10* | hpux11*)
562
library_names_spec='$libname$shrext'
565
library_names_spec='$libname$shrext'
567
irix5* | irix6* | nonstopux*)
568
library_names_spec='$libname$shrext'
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= ;;
583
linux*oldld* | linux*aout* | linux*coff*)
586
library_names_spec='$libname$shrext'
589
library_names_spec='$libname$shrext'
592
library_names_spec='$libname$shrext'
595
library_names_spec='$libname$shrext'
598
library_names_spec='$libname$shrext'
601
library_names_spec='$libname$shrext$versuffix'
606
library_names_spec='$libname.a'
608
osf3* | osf4* | osf5*)
609
library_names_spec='$libname$shrext'
614
library_names_spec='$libname$shrext'
617
library_names_spec='$libname$shrext$versuffix'
620
library_names_spec='$libname$shrext'
623
library_names_spec='$libname$shrext'
625
sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
626
library_names_spec='$libname$shrext'
629
library_names_spec='$libname$shrext'
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"`
640
LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
642
# How to pass a linker flag through the compiler.
645
# Static library suffix (normally "a").
648
# Shared library suffix (normally "so").
651
# Format of library name prefix.
652
libname_spec="$escaped_libname_spec"
654
# Library names that the linker finds when passed -lNAME.
655
library_names_spec="$escaped_library_names_spec"
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="$escaped_hardcode_libdir_flag_spec"
661
# Whether we need a single -rpath flag with a separated argument.
662
hardcode_libdir_separator="$hardcode_libdir_separator"
664
# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
666
hardcode_direct="$hardcode_direct"
668
# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
670
hardcode_minus_L="$hardcode_minus_L"