690 lines
26 KiB
Bash
690 lines
26 KiB
Bash
#### This script is meant to be sourced by ltconfig.
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# ltcf-c.sh - Create a C compiler specific configuration
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#
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# Copyright (C) 1996-2000 Free Software Foundation, Inc.
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# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# As a special exception to the GNU General Public License, if you
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# distribute this file as part of a program that contains a
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# configuration script generated by Autoconf, you may include it under
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# the same distribution terms that you use for the rest of that program.
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# Source file extension for C test sources.
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ac_ext=c
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# Object file extension for compiled C test sources.
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objext=o
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# Code to be used in simple compile tests
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lt_simple_compile_test_code="int some_variable = 0;"
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# Code to be used in simple link tests
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lt_simple_link_test_code='main(){return(0);}'
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## Linker Characteristics
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case "$host_os" in
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cygwin* | mingw*)
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# FIXME: the MSVC++ port hasn't been tested in a loooong time
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# When not using gcc, we currently assume that we are using
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# Microsoft Visual C++.
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if test "$with_gcc" != yes; then
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with_gnu_ld=no
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fi
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;;
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esac
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ld_shlibs=yes
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if test "$with_gnu_ld" = yes; then
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# If archive_cmds runs LD, not CC, wlarc should be empty
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wlarc='${wl}'
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# See if GNU ld supports shared libraries.
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case "$host_os" in
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aix3* | aix4*)
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# On AIX, the GNU linker is very broken
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ld_shlibs=no
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cat <<EOF 1>&2
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*** Warning: the GNU linker, at least up to release 2.9.1, is reported
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*** to be unable to reliably create shared libraries on AIX.
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*** Therefore, libtool is disabling shared libraries support. If you
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*** really care for shared libraries, you may want to modify your PATH
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*** so that a non-GNU linker is found, and then restart.
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EOF
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;;
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amigaos*)
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archive_cmds='$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 $output_objdir && a2ixlibrary -32)'
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hardcode_libdir_flag_spec='-L$libdir'
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hardcode_minus_L=yes
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# Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
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# that the semantics of dynamic libraries on AmigaOS, at least up
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# to version 4, is to share data among multiple programs linked
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# with the same dynamic library. Since this doesn't match the
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# behavior of shared libraries on other platforms, we can use
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# them.
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ld_shlibs=no
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;;
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beos*)
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if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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allow_undefined_flag=unsupported
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# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
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# support --undefined. This deserves some investigation. FIXME
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archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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else
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ld_shlibs=no
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fi
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;;
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cygwin* | mingw*)
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# hardcode_libdir_flag_spec is actually meaningless, as there is
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# no search path for DLLs.
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hardcode_libdir_flag_spec='-L$libdir'
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allow_undefined_flag=unsupported
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always_export_symbols=yes
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extract_expsyms_cmds='test -f $output_objdir/impgen.c || \
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sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~
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test -f $output_objdir/impgen.exe || (cd $output_objdir && \
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if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \
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else $CC -o impgen impgen.c ; fi)~
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$output_objdir/impgen $dir/$soname > $output_objdir/$soname-def'
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old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
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# cygwin and mingw dlls have different entry points and sets of symbols
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# to exclude.
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# FIXME: what about values for MSVC?
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dll_entry=__cygwin_dll_entry@12
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dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
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case "$host_os" in
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mingw*)
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# mingw values
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dll_entry=_DllMainCRTStartup@12
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dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
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;;
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esac
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# mingw and cygwin differ, and it's simplest to just exclude the union
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# of the two symbol sets.
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dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
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# recent cygwin and mingw systems supply a stub DllMain which the user
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# can override, but on older systems we have to supply one (in ltdll.c)
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if test "x$lt_cv_need_dllmain" = "xyes"; then
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ltdll_obj='$output_objdir/$soname-ltdll.'"$objext "
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ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/$soname-ltdll.c~
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test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~'
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else
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ltdll_obj=
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ltdll_cmds=
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fi
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# Extract the symbol export list from an `--export-all' def file,
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# then regenerate the def file from the symbol export list, so that
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# the compiled dll only exports the symbol export list.
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# Be careful not to strip the DATA tag left be newer dlltools.
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export_symbols_cmds="$ltdll_cmds"'
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$DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
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sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
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# If DATA tags from a recent dlltool are present, honour them!
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archive_expsym_cmds='echo EXPORTS > $output_objdir/$soname-def~
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_lt_hint=1;
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cat $export_symbols | while read symbol; do
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set dummy \$symbol;
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case \$# in
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2) echo " \$2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
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*) echo " \$2 @ \$_lt_hint \$3 ; " >> $output_objdir/$soname-def;;
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esac;
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_lt_hint=`expr 1 + \$_lt_hint`;
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done~
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'"$ltdll_cmds"'
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$CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags~
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$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~
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$CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags~
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$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~
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$CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags'
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;;
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netbsd*)
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if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
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archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
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wlarc=
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else
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archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
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fi
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;;
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solaris* | sysv5*)
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if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
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ld_shlibs=no
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cat <<EOF 1>&2
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*** Warning: The releases 2.8.* of the GNU linker cannot reliably
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*** create shared libraries on Solaris systems. Therefore, libtool
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*** is disabling shared libraries support. We urge you to upgrade GNU
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*** binutils to release 2.9.1 or newer. Another option is to modify
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*** your PATH or compiler configuration so that the native linker is
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*** used, and then restart.
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EOF
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elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
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else
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ld_shlibs=no
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fi
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;;
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sunos4*)
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archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
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wlarc=
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hardcode_direct=yes
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hardcode_shlibpath_var=no
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;;
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*)
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if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
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archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
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archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
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else
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ld_shlibs=no
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fi
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;;
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esac
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if test "$ld_shlibs" = yes; then
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runpath_var=LD_RUN_PATH
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hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
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export_dynamic_flag_spec='${wl}--export-dynamic'
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case $host_os in
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cygwin* | mingw*)
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# dlltool doesn't understand --whole-archive et. al.
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whole_archive_flag_spec=
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;;
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*)
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# ancient GNU ld didn't support --whole-archive et. al.
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if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
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whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
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else
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whole_archive_flag_spec=
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fi
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;;
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esac
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fi
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else
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# PORTME fill in a description of your system's linker (not GNU ld)
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case "$host_os" in
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aix3*)
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allow_undefined_flag=unsupported
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always_export_symbols=yes
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archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
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# Note: this linker hardcodes the directories in LIBPATH if there
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# are no directories specified by -L.
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hardcode_minus_L=yes
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if test "$with_gcc" = yes && test -z "$link_static_flag"; then
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# Neither direct hardcoding nor static linking is supported with a
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# broken collect2.
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hardcode_direct=unsupported
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fi
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;;
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aix4*)
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hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
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hardcode_libdir_separator=':'
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if test "$with_gcc" = yes; then
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collect2name=`${CC} -print-prog-name=collect2`
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if test -f "$collect2name" && \
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strings "$collect2name" | grep resolve_lib_name >/dev/null
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then
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# We have reworked collect2
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hardcode_direct=yes
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else
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# We have old collect2
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hardcode_direct=unsupported
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# It fails to find uninstalled libraries when the uninstalled
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# path is not listed in the libpath. Setting hardcode_minus_L
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# to unsupported forces relinking
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hardcode_minus_L=yes
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hardcode_libdir_flag_spec='-L$libdir'
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hardcode_libdir_separator=
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fi
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shared_flag='-shared'
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else
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shared_flag='${wl}-bM:SRE'
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hardcode_direct=yes
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fi
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allow_undefined_flag=' ${wl}-berok'
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archive_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
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archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
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case "$host_os" in aix4.[01]|aix4.[01].*)
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# According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
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always_export_symbols=yes ;;
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esac
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;;
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amigaos*)
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archive_cmds='$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 $output_objdir && a2ixlibrary -32)'
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hardcode_libdir_flag_spec='-L$libdir'
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hardcode_minus_L=yes
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# see comment about different semantics on the GNU ld section
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ld_shlibs=no
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;;
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cygwin* | mingw*)
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# When not using gcc, we currently assume that we are using
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# Microsoft Visual C++.
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# hardcode_libdir_flag_spec is actually meaningless, as there is
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# no search path for DLLs.
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hardcode_libdir_flag_spec=' '
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allow_undefined_flag=unsupported
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# Tell ltmain to make .lib files, not .a files.
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libext=lib
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# FIXME: Setting linknames here is a bad hack.
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archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
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# The linker will automatically build a .lib file if we build a DLL.
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old_archive_from_new_cmds='true'
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# FIXME: Should let the user specify the lib program.
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old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
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fix_srcfile_path='`cygpath -w $srcfile`'
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;;
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freebsd1*)
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ld_shlibs=no
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;;
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# FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
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# support. Future versions do this automatically, but an explicit c++rt0.o
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# does not break anything, and helps significantly (at the cost of a little
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# extra space).
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freebsd2.2*)
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archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
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hardcode_libdir_flag_spec='-R$libdir'
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hardcode_direct=yes
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hardcode_shlibpath_var=no
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;;
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# Unfortunately, older versions of FreeBSD 2 do not have this feature.
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freebsd2*)
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archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
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hardcode_direct=yes
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hardcode_minus_L=yes
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hardcode_shlibpath_var=no
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;;
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# FreeBSD 3 and greater uses gcc -shared to do shared libraries.
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freebsd*)
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archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
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hardcode_libdir_flag_spec='-R$libdir'
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hardcode_direct=yes
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hardcode_shlibpath_var=no
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;;
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hpux9* | hpux10* | hpux11*)
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case "$host_os" in
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hpux9*) archive_cmds='$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 $lib' ;;
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*) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
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esac
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hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
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hardcode_libdir_separator=:
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hardcode_direct=yes
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hardcode_minus_L=yes # Not in the search PATH, but as the default
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# location of the library.
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export_dynamic_flag_spec='${wl}-E'
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;;
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irix5* | irix6*)
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if test "$with_gcc" = yes; then
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archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
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else
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archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
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fi
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hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
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hardcode_libdir_separator=:
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link_all_deplibs=yes
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;;
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netbsd*)
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if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
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archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
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else
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archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
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fi
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hardcode_libdir_flag_spec='${wl}-R$libdir'
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hardcode_direct=yes
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hardcode_shlibpath_var=no
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;;
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openbsd*)
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archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
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hardcode_libdir_flag_spec='-R$libdir'
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hardcode_direct=yes
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hardcode_shlibpath_var=no
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;;
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os2*)
|
|
hardcode_libdir_flag_spec='-L$libdir'
|
|
hardcode_minus_L=yes
|
|
allow_undefined_flag=unsupported
|
|
archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
|
|
old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
|
|
;;
|
|
|
|
osf3*)
|
|
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}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
|
|
else
|
|
allow_undefined_flag=' -expect_unresolved \*'
|
|
archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
|
|
fi
|
|
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
|
|
hardcode_libdir_separator=:
|
|
;;
|
|
|
|
osf4* | osf5*) # as osf3* with the addition of -msym flag
|
|
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 $lib'
|
|
else
|
|
allow_undefined_flag=' -expect_unresolved \*'
|
|
archive_cmds='$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 $lib'
|
|
fi
|
|
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
|
|
hardcode_libdir_separator=:
|
|
;;
|
|
|
|
sco3.2v5*)
|
|
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
|
|
hardcode_shlibpath_var=no
|
|
runpath_var=LD_RUN_PATH
|
|
hardcode_runpath_var=yes
|
|
;;
|
|
|
|
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 $lib.exp'
|
|
hardcode_libdir_flag_spec='-R$libdir'
|
|
hardcode_shlibpath_var=no
|
|
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' ;;
|
|
esac
|
|
link_all_deplibs=yes
|
|
;;
|
|
|
|
sunos4*)
|
|
archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
|
|
hardcode_libdir_flag_spec='-L$libdir'
|
|
hardcode_direct=yes
|
|
hardcode_minus_L=yes
|
|
hardcode_shlibpath_var=no
|
|
;;
|
|
|
|
sysv4)
|
|
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
|
|
runpath_var='LD_RUN_PATH'
|
|
hardcode_shlibpath_var=no
|
|
hardcode_direct=no #Motorola manual says yes, but my tests say they lie
|
|
;;
|
|
|
|
sysv4.3*)
|
|
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
|
|
hardcode_shlibpath_var=no
|
|
export_dynamic_flag_spec='-Bexport'
|
|
;;
|
|
|
|
sysv5*)
|
|
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 $lib.exp'
|
|
hardcode_libdir_flag_spec=
|
|
hardcode_shlibpath_var=no
|
|
runpath_var='LD_RUN_PATH'
|
|
;;
|
|
|
|
uts4*)
|
|
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
|
|
hardcode_libdir_flag_spec='-L$libdir'
|
|
hardcode_shlibpath_var=no
|
|
;;
|
|
|
|
dgux*)
|
|
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
|
|
hardcode_libdir_flag_spec='-L$libdir'
|
|
hardcode_shlibpath_var=no
|
|
;;
|
|
|
|
sysv4*MP*)
|
|
if test -d /usr/nec; then
|
|
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
|
|
hardcode_shlibpath_var=no
|
|
runpath_var=LD_RUN_PATH
|
|
hardcode_runpath_var=yes
|
|
ld_shlibs=yes
|
|
fi
|
|
;;
|
|
|
|
sysv4.2uw2*)
|
|
archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
|
|
hardcode_direct=yes
|
|
hardcode_minus_L=no
|
|
hardcode_shlibpath_var=no
|
|
hardcode_runpath_var=yes
|
|
runpath_var=LD_RUN_PATH
|
|
;;
|
|
|
|
unixware7*)
|
|
archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
|
|
runpath_var='LD_RUN_PATH'
|
|
hardcode_shlibpath_var=no
|
|
;;
|
|
|
|
*)
|
|
ld_shlibs=no
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
## Compiler Characteristics: PIC flags, static flags, etc
|
|
if test "X${ac_cv_prog_cc_pic+set}" = Xset; then
|
|
:
|
|
else
|
|
ac_cv_prog_cc_pic=
|
|
ac_cv_prog_cc_shlib=
|
|
ac_cv_prog_cc_wl=
|
|
ac_cv_prog_cc_static=
|
|
ac_cv_prog_cc_no_builtin=
|
|
ac_cv_prog_cc_can_build_shared=$can_build_shared
|
|
|
|
if test "$with_gcc" = yes; then
|
|
ac_cv_prog_cc_wl='-Wl,'
|
|
ac_cv_prog_cc_static='-static'
|
|
|
|
case "$host_os" in
|
|
beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
|
|
# PIC is the default for these OSes.
|
|
;;
|
|
aix*)
|
|
# Below there is a dirty hack to force normal static linking with -ldl
|
|
# The problem is because libdl dynamically linked with both libc and
|
|
# libC (AIX C++ library), which obviously doesn't included in libraries
|
|
# list by gcc. This cause undefined symbols with -static flags.
|
|
# This hack allows C programs to be linked with "-static -ldl", but
|
|
# we not sure about C++ programs.
|
|
ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
|
|
;;
|
|
cygwin* | mingw* | os2*)
|
|
# This hack is so that the source file can tell whether it is being
|
|
# built for inclusion in a dll (and should export symbols for example).
|
|
ac_cv_prog_cc_pic='-DDLL_EXPORT'
|
|
;;
|
|
amigaos*)
|
|
# FIXME: we need at least 68020 code to build shared libraries, but
|
|
# adding the `-m68020' flag to GCC prevents building anything better,
|
|
# like `-m68040'.
|
|
ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
|
|
;;
|
|
sysv4*MP*)
|
|
if test -d /usr/nec; then
|
|
ac_cv_prog_cc_pic=-Kconform_pic
|
|
fi
|
|
;;
|
|
*)
|
|
ac_cv_prog_cc_pic='-fPIC'
|
|
;;
|
|
esac
|
|
else
|
|
# PORTME Check for PIC flags for the system compiler.
|
|
case "$host_os" in
|
|
aix3* | aix4*)
|
|
# All AIX code is PIC.
|
|
ac_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
|
|
;;
|
|
|
|
hpux9* | hpux10* | hpux11*)
|
|
# Is there a better ac_cv_prog_cc_static that works with the bundled CC?
|
|
ac_cv_prog_cc_wl='-Wl,'
|
|
ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
|
|
ac_cv_prog_cc_pic='+Z'
|
|
;;
|
|
|
|
irix5* | irix6*)
|
|
ac_cv_prog_cc_wl='-Wl,'
|
|
ac_cv_prog_cc_static='-non_shared'
|
|
# PIC (with -KPIC) is the default.
|
|
;;
|
|
|
|
cygwin* | mingw* | os2*)
|
|
# This hack is so that the source file can tell whether it is being
|
|
# built for inclusion in a dll (and should export symbols for example).
|
|
ac_cv_prog_cc_pic='-DDLL_EXPORT'
|
|
;;
|
|
|
|
osf3* | osf4* | osf5*)
|
|
# All OSF/1 code is PIC.
|
|
ac_cv_prog_cc_wl='-Wl,'
|
|
ac_cv_prog_cc_static='-non_shared'
|
|
;;
|
|
|
|
sco3.2v5*)
|
|
ac_cv_prog_cc_pic='-Kpic'
|
|
ac_cv_prog_cc_static='-dn'
|
|
ac_cv_prog_cc_shlib='-belf'
|
|
;;
|
|
|
|
solaris*)
|
|
ac_cv_prog_cc_pic='-KPIC'
|
|
ac_cv_prog_cc_static='-Bstatic'
|
|
ac_cv_prog_cc_wl='-Wl,'
|
|
;;
|
|
|
|
sunos4*)
|
|
ac_cv_prog_cc_pic='-PIC'
|
|
ac_cv_prog_cc_static='-Bstatic'
|
|
ac_cv_prog_cc_wl='-Qoption ld '
|
|
;;
|
|
|
|
sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
|
|
ac_cv_prog_cc_pic='-KPIC'
|
|
ac_cv_prog_cc_static='-Bstatic'
|
|
ac_cv_prog_cc_wl='-Wl,'
|
|
;;
|
|
|
|
uts4*)
|
|
ac_cv_prog_cc_pic='-pic'
|
|
ac_cv_prog_cc_static='-Bstatic'
|
|
;;
|
|
|
|
sysv4*MP*)
|
|
if test -d /usr/nec ;then
|
|
ac_cv_prog_cc_pic='-Kconform_pic'
|
|
ac_cv_prog_cc_static='-Bstatic'
|
|
fi
|
|
;;
|
|
|
|
*)
|
|
ac_cv_prog_cc_can_build_shared=no
|
|
;;
|
|
esac
|
|
fi
|
|
ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
|
|
fi
|
|
|
|
need_lc=yes
|
|
if test "$enable_shared" = yes && test "$with_gcc" = yes; then
|
|
case "$archive_cmds" in
|
|
*'~'*)
|
|
# FIXME: we may have to deal with multi-command sequences.
|
|
;;
|
|
'$CC '*)
|
|
# 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 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 ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
|
|
# Append any warnings to the config.log.
|
|
cat conftest.err 1>&5
|
|
soname=conftest
|
|
lib=conftest
|
|
libobjs=conftest.o
|
|
deplibs=
|
|
wl=$ac_cv_prog_cc_wl
|
|
compiler_flags=-v
|
|
linker_flags=-v
|
|
verstring=
|
|
output_objdir=.
|
|
libname=conftest
|
|
save_allow_undefined_flag=$allow_undefined_flag
|
|
allow_undefined_flag=
|
|
if { (eval echo ltcf-c.sh:need_lc: \"$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
|
|
fi
|
|
$rm conftest*
|
|
echo "$ac_t$need_lc" 1>&6
|
|
;;
|
|
esac
|
|
fi
|
|
ac_cv_archive_cmds_needs_lc=$need_lc
|