#### This script is meant to be sourced by ltconfig.
-# $Id: ltcf-c.sh,v 1.1.2.9 2000/07/24 05:28:14 oliva Exp $
-
# ltcf-c.sh - Create a C compiler specific configuration
#
-# Copyright (C) 1996-2000 Free Software Foundation, Inc.
+# Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc.
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
#
# This file is free software; you can redistribute it and/or modify it
lt_simple_link_test_code='main(){return(0);}'
## Linker Characteristics
-case "$host_os" in
+case $host_os in
cygwin* | mingw*)
# FIXME: the MSVC++ port hasn't been tested in a loooong time
# When not using gcc, we currently assume that we are using
wlarc='${wl}'
# See if GNU ld supports shared libraries.
- case "$host_os" in
- aix3* | aix4*)
- # On AIX, the GNU linker is very broken
- ld_shlibs=no
- cat <<EOF 1>&2
+ case $host_os in
+ aix3* | aix4* | aix5*)
+ # On AIX/PPC, the GNU linker is very broken
+ if test "$host_cpu" != ia64; then
+ ld_shlibs=no
+ cat <<EOF 1>&2
*** Warning: the GNU linker, at least up to release 2.9.1, is reported
*** to be unable to reliably create shared libraries on AIX.
*** so that a non-GNU linker is found, and then restart.
EOF
+ fi
;;
amigaos*)
allow_undefined_flag=unsupported
# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
# support --undefined. This deserves some investigation. FIXME
- archive_cmds='$CC -nostart $libobjs $deplibs $linker_flags ${wl}-soname $wl$soname -o $lib'
+ archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
else
ld_shlibs=no
fi
extract_expsyms_cmds='test -f $output_objdir/impgen.c || \
sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~
test -f $output_objdir/impgen.exe || (cd $output_objdir && \
- if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \
+ if test "x$BUILD_CC" != "x" ; then $BUILD_CC -o impgen impgen.c ; \
else $CC -o impgen impgen.c ; fi)~
- $output_objdir/impgen $dir/$soname > $output_objdir/$soname-def'
+ $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
# FIXME: what about values for MSVC?
dll_entry=__cygwin_dll_entry@12
dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
- case "$host_os" in
+ case $host_os in
mingw*)
# mingw values
dll_entry=_DllMainCRTStartup@12
$DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is.
# If DATA tags from a recent dlltool are present, honour them!
- archive_expsym_cmds='echo EXPORTS > $output_objdir/$soname-def~
- _lt_hint=1;
- cat $export_symbols | while read symbol; do
- set dummy \$symbol;
- case \$# in
- 2) echo " \$2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
- *) echo " \$2 @ \$_lt_hint \$3 ; " >> $output_objdir/$soname-def;;
- esac;
- _lt_hint=`expr 1 + \$_lt_hint`;
- done~
+ archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname-def;
+ else
+ echo EXPORTS > $output_objdir/$soname-def;
+ _lt_hint=1;
+ cat $export_symbols | while read symbol; do
+ set dummy \$symbol;
+ case \[$]# in
+ 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
+ *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
+ esac;
+ _lt_hint=`expr 1 + \$_lt_hint`;
+ done;
+ fi~
'"$ltdll_cmds"'
- $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags~
- $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~
- $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags~
+ $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
$DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~
- $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags'
+ $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
+ $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~
+ $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
+ ;;
+
+ darwin* | rhapsody*)
+ allow_undefined_flag='-undefined suppress'
+ archive_cmds='$CC `test .$module = .yes && echo -bundle || echo -dynamiclib` $allow_undefined_flag -o $lib $libobjs $deplibs $linkopts -install_name $rpath/$soname `test -n "$verstring" -a x$verstring != x0.0 && echo $verstring`'
+ # We need to add '_' to the symbols in $export_symbols first
+ #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols'
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ whole_archive_flag_spec='-all_load $convenience'
;;
netbsd*)
archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
wlarc=
else
- archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
- archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
fi
;;
EOF
elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
- archive_cmds='$CC -shared $libobjs $deplibs $linker_flags ${wl}-soname $wl$soname -o $lib'
- archive_expsym_cmds='$CC -shared $libobjs $deplibs $linker_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
else
ld_shlibs=no
fi
if test "$ld_shlibs" = yes; then
runpath_var=LD_RUN_PATH
- hardcode_libdir_flag_spec="$wlarc"'--rpath '"$wlarc"'$libdir'
- export_dynamic_flag_spec="$wlarc"'--export-dynamic'
+ hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
+ export_dynamic_flag_spec='${wl}--export-dynamic'
case $host_os in
cygwin* | mingw*)
# dlltool doesn't understand --whole-archive et. al.
fi
else
# PORTME fill in a description of your system's linker (not GNU ld)
- case "$host_os" in
+ case $host_os in
aix3*)
allow_undefined_flag=unsupported
always_export_symbols=yes
fi
;;
- aix4*)
- hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
+ aix4* | aix5*)
+ hardcode_direct=yes
hardcode_libdir_separator=':'
+ link_all_deplibs=yes
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
if test "$with_gcc" = yes; then
- collect2name=`${CC} -print-prog-name=collect2`
- if test -f "$collect2name" && \
- strings "$collect2name" | grep resolve_lib_name >/dev/null
- then
- # We have reworked collect2
- hardcode_direct=yes
+ case $host_os in aix4.[012]|aix4.[012].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" && \
+ strings "$collect2name" | grep resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ hardcode_direct=yes
+ else
+ # We have old collect2
+ hardcode_direct=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ hardcode_minus_L=yes
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_libdir_separator=
+ fi
+ esac
+ shared_flag='-shared'
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ shared_flag='${wl}-G'
else
- # We have old collect2
- hardcode_direct=unsupported
- # It fails to find uninstalled libraries when the uninstalled
- # path is not listed in the libpath. Setting hardcode_minus_L
- # to unsupported forces relinking
- hardcode_minus_L=yes
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_libdir_separator=
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ if test $with_gnu_ld = no; then
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
fi
- shared_flag='-shared'
else
- shared_flag='${wl}-bM:SRE'
- hardcode_direct=yes
+ # Test if we are trying to use run time linking, or normal AIX style linking.
+ # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
+ aix_use_runtimelinking=no
+ for ld_flag in $LDFLAGS; do
+ if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
+ aix_use_runtimelinking=yes
+ break
+ fi
+ done
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
fi
- allow_undefined_flag=' ${wl}-berok'
- archive_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
- archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
- case "$host_os" in aix4.[01]|aix4.[01].*)
- # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
- always_export_symbols=yes ;;
- esac
- ;;
+ # -bexpall does not export symbols beginning with underscore (_)
+ always_export_symbols=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other run time loading flags (-brtl), -berok will
+ # link without error, but may produce a broken library.
+ allow_undefined_flag=' ${wl}-berok'
+ hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
+ archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
+ else
+ if test "$host_cpu" = ia64; then
+ if test $with_gnu_ld = no; then
+ hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
+ allow_undefined_flag="-z nodefs"
+ archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
+ fi
+ else
+ allow_undefined_flag=' ${wl}-berok'
+ # -bexpall does not export symbols beginning with underscore (_)
+ always_export_symbols=yes
+ # Exported symbols can be pulled into shared objects from archives
+ whole_archive_flag_spec=' '
+ build_libtool_need_lc=yes
+ hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
+ # This is similar to how AIX traditionally builds it's shared libraries.
+ archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
amigaos*)
archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
old_archive_from_new_cmds='true'
# FIXME: Should let the user specify the lib program.
old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
- fix_srcfile_path='`cygpath -w $srcfile`'
+ fix_srcfile_path='`cygpath -w "$srcfile"`'
;;
freebsd1*)
;;
hpux9* | hpux10* | hpux11*)
- case "$host_os" in
- hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
- *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
+ case "$host_cpu" in
+ ia64*)
+ hardcode_direct=no
+ hardcode_shlibpath_var=no
+ archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec='-L$libdir' ;;
+ *)
+ if test $with_gcc = yes; then
+ case "$host_os" in
+ hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
+ *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;;
+ esac
+ else
+ case $host_os in
+ hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
+ *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
+ esac
+ fi
+ hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator=:
+ hardcode_minus_L=yes # Not in the search PATH, but as the default
+ # location of the library.
+ ;;
esac
- hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
- hardcode_libdir_separator=:
- hardcode_direct=yes
- hardcode_minus_L=yes # Not in the search PATH, but as the default
- # location of the library.
export_dynamic_flag_spec='${wl}-E'
+ hardcode_direct=yes
;;
irix5* | irix6*)
else
archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
fi
- hardcode_libdir_flag_spec='${wl}-R$libdir'
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ newsos6)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
hardcode_direct=yes
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator=:
hardcode_shlibpath_var=no
;;
if test "$with_gcc" = yes; then
allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
else
allow_undefined_flag=' -expect_unresolved \*'
archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
+ archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
+ $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp'
+
+ # cc supports -rpath directly
+ hardcode_libdir_flag_spec='-rpath $libdir'
fi
- hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_separator=:
;;
;;
solaris*)
- no_undefined_flag=' -z text'
- # $CC -shared without GNU ld will not create a library from C++
- # object files and a static libstdc++, better avoid it by now
- archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
- archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
- $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
+ no_undefined_flag=' -z defs'
+ if test "$with_gcc" = yes; then
+ archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
+ else
+ archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
+ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
+ fi
hardcode_libdir_flag_spec='-R$libdir'
hardcode_shlibpath_var=no
- case "$host_os" in
+ case $host_os in
solaris2.[0-5] | solaris2.[0-5].*) ;;
*) # Supported since Solaris 2.6 (maybe 2.5.1?)
whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
runpath_var=LD_RUN_PATH
;;
- unixware7*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ sysv5uw7* | unixware7*)
+ no_undefined_flag='${wl}-z ${wl}text'
+ if test "$GCC" = yes; then
+ archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
runpath_var='LD_RUN_PATH'
hardcode_shlibpath_var=no
;;
## Compiler Characteristics: PIC flags, static flags, etc
if test "X${ac_cv_prog_cc_pic+set}" = Xset; then
- echo $ac_n "(cached) $ac_c" 1>&6
+ :
else
ac_cv_prog_cc_pic=
ac_cv_prog_cc_shlib=
ac_cv_prog_cc_wl='-Wl,'
ac_cv_prog_cc_static='-static'
- case "$host_os" in
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_cv_prog_cc_static='-Bstatic'
+ else
+ lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+ amigaos*)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
+ ;;
beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
# PIC is the default for these OSes.
;;
- aix*)
- # Below there is a dirty hack to force normal static linking with -ldl
- # The problem is because libdl dynamically linked with both libc and
- # libC (AIX C++ library), which obviously doesn't included in libraries
- # list by gcc. This cause undefined symbols with -static flags.
- # This hack allows C programs to be linked with "-static -ldl", but
- # we not sure about C++ programs.
- ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
- ;;
cygwin* | mingw* | os2*)
# This hack is so that the source file can tell whether it is being
# built for inclusion in a dll (and should export symbols for example).
ac_cv_prog_cc_pic='-DDLL_EXPORT'
;;
- amigaos*)
- # FIXME: we need at least 68020 code to build shared libraries, but
- # adding the `-m68020' flag to GCC prevents building anything better,
- # like `-m68040'.
- ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ lt_cv_prog_cc_pic='-fno-common'
+ ;;
+ *djgpp*)
+ # DJGPP does not support shared libraries at all
+ ac_cv_prog_cc_pic=
;;
sysv4*MP*)
if test -d /usr/nec; then
esac
else
# PORTME Check for PIC flags for the system compiler.
- case "$host_os" in
- aix3* | aix4*)
+ case $host_os in
+ aix*)
# All AIX code is PIC.
- ac_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
+ ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
;;
hpux9* | hpux10* | hpux11*)
ac_cv_prog_cc_pic='-DDLL_EXPORT'
;;
+ newsos6)
+ ac_cv_prog_cc_pic='-KPIC'
+ ac_cv_prog_cc_static='-Bstatic'
+ ;;
+
osf3* | osf4* | osf5*)
# All OSF/1 code is PIC.
ac_cv_prog_cc_wl='-Wl,'
;;
esac
fi
- ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
+ case "$host_os" in
+ # Platforms which do not suport PIC and -DPIC is meaningless
+ # on them:
+ *djgpp*)
+ ac_cv_prog_cc_pic=
+ ;;
+ *)
+ ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
+ ;;
+ esac
fi
need_lc=yes
if test "$enable_shared" = yes && test "$with_gcc" = yes; then
- case "$archive_cmds" in
+ case $archive_cmds in
*'~'*)
# FIXME: we may have to deal with multi-command sequences.
;;
# Test whether the compiler implicitly links with -lc since on some
# systems, -lgcc has to come before -lc. If gcc already passes -lc
# to ld, don't add -lc before -lgcc.
- echo $ac_n "checking whether -lc is implicitly linked in... $ac_c" 1>&6
+ echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6
if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
need_lc=$ac_cv_archive_cmds_needs_lc
else
$rm conftest*
echo "static int dummy;" > conftest.$ac_ext
- if { (eval echo $progname:@LINENO@: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
+ if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
# Append any warnings to the config.log.
cat conftest.err 1>&5
soname=conftest
lib=conftest
- libobjs=conftest.o
+ libobjs=conftest.$objext
deplibs=
+ wl=$ac_cv_prog_cc_wl
compiler_flags=-v
linker_flags=-v
verstring=
output_objdir=.
libname=conftest
+ save_allow_undefined_flag=$allow_undefined_flag
allow_undefined_flag=
- if { (eval echo $progname:@LINENO@: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
+ if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
need_lc=no
fi
+ allow_undefined_flag=$save_allow_undefined_flag
else
cat conftest.err 1>&5
fi
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