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 1996-2014 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 "$GCC" = yes; then
60 mingw* | cygwin* | pw32* | os2* | cegcc*)
62 hpux9* | hpux10* | hpux11*)
65 irix5* | irix6* | nonstopux*)
68 linux* | k*bsd*-gnu | kopensolaris*-gnu)
82 pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
88 xl* | bgxl* | bgf* | mpixl*)
95 case `$CC -V 2>&1 | sed 5q` in
96 *Sun\ F* | *Sun*Fortran*)
110 osf3* | osf4* | osf5*)
117 f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
128 sysv4 | sysv4.2uw2* | sysv4.3*)
133 sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
144 # Code taken from libtool.m4's _LT_LINKER_SHLIBS.
146 hardcode_libdir_flag_spec=
147 hardcode_libdir_separator=
152 cygwin* | mingw* | pw32* | cegcc*)
153 # FIXME: the MSVC++ port hasn't been tested in a loooong time
154 # When not using gcc, we currently assume that we are using
155 # Microsoft Visual C++.
156 if test "$GCC" != yes; then
161 # we just hope/assume this is gcc and not c89 (= MSVC++)
170 if test "$with_gnu_ld" = yes; then
171 # Set some defaults for GNU ld with shared library support. These
172 # are reset later if shared libraries are not supported. Putting them
173 # here allows them to be overridden if necessary.
174 # Unlike libtool, we use -rpath here, not --rpath, since the documented
175 # option of GNU ld is called -rpath, not --rpath.
176 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
179 # On AIX/PPC, the GNU linker is very broken
180 if test "$host_cpu" != ia64; then
189 hardcode_libdir_flag_spec='-L$libdir'
195 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
201 cygwin* | mingw* | pw32* | cegcc*)
202 # hardcode_libdir_flag_spec is actually meaningless, as there is
203 # no search path for DLLs.
204 hardcode_libdir_flag_spec='-L$libdir'
205 if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
215 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
217 gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
218 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
227 if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
229 elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
235 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
236 case `$LD -v 2>&1` in
237 *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
241 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
242 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`'
253 if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
260 if test "$ld_shlibs" = no; then
261 hardcode_libdir_flag_spec=
266 # Note: this linker hardcodes the directories in LIBPATH if there
267 # are no directories specified by -L.
269 if test "$GCC" = yes; then
270 # Neither direct hardcoding nor static linking is supported with a
272 hardcode_direct=unsupported
276 if test "$host_cpu" = ia64; then
277 # On IA64, the linker does run time linking by default, so we don't
278 # have to do anything special.
279 aix_use_runtimelinking=no
281 aix_use_runtimelinking=no
282 # Test if we are trying to use run time linking or normal
283 # AIX style linking. If -brtl is somewhere in LDFLAGS, we
284 # need to do runtime linking.
285 case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
286 for ld_flag in $LDFLAGS; do
287 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
288 aix_use_runtimelinking=yes
296 hardcode_libdir_separator=':'
297 if test "$GCC" = yes; then
298 case $host_os in aix4.[012]|aix4.[012].*)
299 collect2name=`${CC} -print-prog-name=collect2`
300 if test -f "$collect2name" && \
301 strings "$collect2name" | grep resolve_lib_name >/dev/null
303 # We have reworked collect2
306 # We have old collect2
307 hardcode_direct=unsupported
309 hardcode_libdir_flag_spec='-L$libdir'
310 hardcode_libdir_separator=
315 # Begin _LT_AC_SYS_LIBPATH_AIX.
316 echo 'int main () { return 0; }' > conftest.c
317 ${CC} ${LDFLAGS} conftest.c -o conftest
318 aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
320 if test -z "$aix_libpath"; then
321 aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; }
324 if test -z "$aix_libpath"; then
325 aix_libpath="/usr/lib:/lib"
327 rm -f conftest.c conftest
328 # End _LT_AC_SYS_LIBPATH_AIX.
329 if test "$aix_use_runtimelinking" = yes; then
330 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
332 if test "$host_cpu" = ia64; then
333 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
335 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
344 hardcode_libdir_flag_spec='-L$libdir'
351 cygwin* | mingw* | pw32* | cegcc*)
352 # When not using gcc, we currently assume that we are using
353 # Microsoft Visual C++.
354 # hardcode_libdir_flag_spec is actually meaningless, as there is
355 # no search path for DLLs.
356 hardcode_libdir_flag_spec=' '
361 if { case $cc_basename in ifort*) true;; *) test "$GCC" = yes;; esac; }; then
368 hardcode_libdir_flag_spec='-L$libdir'
374 freebsd* | dragonfly*)
375 hardcode_libdir_flag_spec='-R$libdir'
379 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
380 hardcode_libdir_separator=:
382 # hardcode_minus_L: Not really in the search PATH,
383 # but as the default location of the library.
387 if test "$with_gnu_ld" = no; then
388 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
389 hardcode_libdir_separator=:
391 # hardcode_minus_L: Not really in the search PATH,
392 # but as the default location of the library.
397 if test "$with_gnu_ld" = no; then
398 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
399 hardcode_libdir_separator=:
406 # hardcode_minus_L: Not really in the search PATH,
407 # but as the default location of the library.
413 irix5* | irix6* | nonstopux*)
414 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
415 hardcode_libdir_separator=:
418 hardcode_libdir_flag_spec='-R$libdir'
423 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
424 hardcode_libdir_separator=:
429 if test -f /usr/libexec/ld.so; then
431 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
432 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
435 openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
436 hardcode_libdir_flag_spec='-R$libdir'
439 hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
448 hardcode_libdir_flag_spec='-L$libdir'
452 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
453 hardcode_libdir_separator=:
456 if test "$GCC" = yes; then
457 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
459 # Both cc and cxx compiler support -rpath directly
460 hardcode_libdir_flag_spec='-rpath $libdir'
462 hardcode_libdir_separator=:
465 hardcode_libdir_flag_spec='-R$libdir'
468 hardcode_libdir_flag_spec='-L$libdir'
475 hardcode_direct=yes # is this really true???
481 hardcode_direct=no #Motorola manual says yes, but my tests say they lie
488 if test -d /usr/nec; then
492 sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
494 sysv5* | sco3.2v5* | sco5v6*)
495 hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`'
496 hardcode_libdir_separator=':'
499 hardcode_libdir_flag_spec='-L$libdir'
507 # Check dynamic linker characteristics
508 # Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER.
509 # Unlike libtool.m4, here we don't care about _all_ names of the library, but
510 # only about the one the linker finds when passed -lNAME. This is the last
511 # element of library_names_spec in libtool.m4, or possibly two of them if the
512 # linker has special search rules.
513 library_names_spec= # the last element of library_names_spec in libtool.m4
514 libname_spec='lib$name'
517 library_names_spec='$libname.a'
520 library_names_spec='$libname$shrext'
525 library_names_spec='$libname$shrext' ;;
527 library_names_spec='$libname.a' ;;
531 library_names_spec='$libname$shrext'
534 library_names_spec='$libname$shrext'
536 cygwin* | mingw* | pw32* | cegcc*)
538 library_names_spec='$libname.dll.a $libname.lib'
542 library_names_spec='$libname$shrext'
545 library_names_spec='$libname$shrext'
548 library_names_spec='$libname$shrext$versuffix'
550 freebsd* | dragonfly*)
551 library_names_spec='$libname$shrext'
554 library_names_spec='$libname$shrext'
557 library_names_spec='$libname$shrext'
559 hpux9* | hpux10* | hpux11*)
571 library_names_spec='$libname$shrext'
574 library_names_spec='$libname$shrext'
576 irix5* | irix6* | nonstopux*)
577 library_names_spec='$libname$shrext'
584 *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;;
585 *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;;
586 *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;;
587 *) libsuff= shlibsuff= ;;
592 linux*oldld* | linux*aout* | linux*coff*)
594 linux* | k*bsd*-gnu | kopensolaris*-gnu)
595 library_names_spec='$libname$shrext'
598 library_names_spec='$libname$shrext'
601 library_names_spec='$libname$shrext'
604 library_names_spec='$libname$shrext'
607 library_names_spec='$libname$shrext'
610 library_names_spec='$libname$shrext$versuffix'
615 library_names_spec='$libname.a'
617 osf3* | osf4* | osf5*)
618 library_names_spec='$libname$shrext'
623 library_names_spec='$libname$shrext'
626 library_names_spec='$libname$shrext$versuffix'
629 library_names_spec='$libname$shrext'
632 library_names_spec='$libname$shrext'
634 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
635 library_names_spec='$libname$shrext'
638 library_names_spec='$libname$shrext'
641 library_names_spec='$libname$shrext'
645 sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
646 escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"`
647 shlibext=`echo "$shrext" | sed -e 's,^\.,,'`
648 escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
649 escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
650 escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"`
652 LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <<EOF
654 # How to pass a linker flag through the compiler.
657 # Static library suffix (normally "a").
660 # Shared library suffix (normally "so").
663 # Format of library name prefix.
664 libname_spec="$escaped_libname_spec"
666 # Library names that the linker finds when passed -lNAME.
667 library_names_spec="$escaped_library_names_spec"
669 # Flag to hardcode \$libdir into a binary during linking.
670 # This must work even if \$libdir does not exist.
671 hardcode_libdir_flag_spec="$escaped_hardcode_libdir_flag_spec"
673 # Whether we need a single -rpath flag with a separated argument.
674 hardcode_libdir_separator="$hardcode_libdir_separator"
676 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
678 hardcode_direct="$hardcode_direct"
680 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
682 hardcode_minus_L="$hardcode_minus_L"