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It backslashifies # metacharacters that are still active within double-quoted strings. Xsed='sed -e s/^X//' sed_quote_subst='s/\([[\\"\\`$\\\\]]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\([[\\"\\`\\\\]]\)/\\\1/g' # Sed substitution to delay expansion of an escaped shell variable in a # double_quote_subst'ed string. delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' # Constants: rm="rm -f" # Global variables: default_ofile=libtool can_build_shared=yes # All known linkers require a `.a' archive for static linking (except M$VC, # which needs '.lib'). libext=a ltmain="$ac_aux_dir/ltmain.sh" ofile="$default_ofile" with_gnu_ld="$lt_cv_prog_gnu_ld" need_locks="$enable_libtool_lock" old_CC="$CC" old_CFLAGS="$CFLAGS" # Set sane defaults for various variables test -z "$AR" && AR=ar test -z "$AR_FLAGS" && AR_FLAGS=cru test -z "$AS" && AS=as test -z "$CC" && CC=cc test -z "$DLLTOOL" && DLLTOOL=dlltool test -z "$LD" && LD=ld test -z "$LN_S" && LN_S="ln -s" test -z "$MAGIC_CMD" && MAGIC_CMD=file test -z "$NM" && NM=nm test -z "$OBJDUMP" && OBJDUMP=objdump test -z "$RANLIB" && RANLIB=: test -z "$STRIP" && STRIP=: test -z "$ac_objext" && ac_objext=o if test x"$host" != x"$build"; then ac_tool_prefix=${host_alias}- else ac_tool_prefix= fi # Transform linux* to *-*-linux-gnu*, to support old configure scripts. case $host_os in linux-gnu*) ;; linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` esac case $host_os in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test "X${COLLECT_NAMES+set}" != Xset; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds" ;; *) old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" fi # Allow CC to be a program name with arguments. set dummy $CC compiler="[$]2" AC_MSG_CHECKING([for objdir]) rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. objdir=_libs fi rmdir .libs 2>/dev/null AC_MSG_RESULT($objdir) AC_ARG_WITH(pic, [ --with-pic try to use only PIC/non-PIC objects [default=use both]], pic_mode="$withval", pic_mode=default) test -z "$pic_mode" && pic_mode=default # We assume here that the value for lt_cv_prog_cc_pic will not be cached # in isolation, and that seeing it set (from the cache) indicates that # the associated values are set (in the cache) correctly too. AC_MSG_CHECKING([for $compiler option to produce PIC]) AC_CACHE_VAL(lt_cv_prog_cc_pic, [ lt_cv_prog_cc_pic= lt_cv_prog_cc_shlib= lt_cv_prog_cc_wl= lt_cv_prog_cc_static= lt_cv_prog_cc_no_builtin= lt_cv_prog_cc_can_build_shared=$can_build_shared if test "$GCC" = yes; then lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-static' case $host_os in aix*) # Below there is a dirty hack to force normal static linking with -ldl # The problem is because libdl dynamically linked with both libc and # libC (AIX C++ library), which obviously doesn't included in libraries # list by gcc. This cause undefined symbols with -static flags. # This hack allows C programs to be linked with "-static -ldl", but # not sure about C++ programs. lt_cv_prog_cc_static="$lt_cv_prog_cc_static ${lt_cv_prog_cc_wl}-lC" ;; 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'. lt_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' ;; beos* | irix5* | irix6* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_cv_prog_cc_pic='-fno-common' ;; cygwin* | mingw* | pw32* | 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). lt_cv_prog_cc_pic='-DDLL_EXPORT' ;; sysv4*MP*) if test -d /usr/nec; then lt_cv_prog_cc_pic=-Kconform_pic fi ;; *) lt_cv_prog_cc_pic='-fPIC' ;; esac else # PORTME Check for PIC flags for the system compiler. case $host_os in aix3* | aix4* | aix5*) lt_cv_prog_cc_wl='-Wl,' # All AIX code is PIC. if test "$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 ;; hpux9* | hpux10* | hpux11*) # Is there a better lt_cv_prog_cc_static that works with the bundled CC? lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static="${lt_cv_prog_cc_wl}-a ${lt_cv_prog_cc_wl}archive" lt_cv_prog_cc_pic='+Z' ;; irix5* | irix6*) lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-non_shared' # PIC (with -KPIC) is the default. ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_cv_prog_cc_pic='-DDLL_EXPORT' ;; newsos6) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' ;; osf3* | osf4* | osf5*) # All OSF/1 code is PIC. lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-non_shared' ;; sco3.2v5*) lt_cv_prog_cc_pic='-Kpic' lt_cv_prog_cc_static='-dn' lt_cv_prog_cc_shlib='-belf' ;; solaris*) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' lt_cv_prog_cc_wl='-Wl,' ;; sunos4*) lt_cv_prog_cc_pic='-PIC' lt_cv_prog_cc_static='-Bstatic' lt_cv_prog_cc_wl='-Qoption ld ' ;; sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' if test "x$host_vendor" = xsni; then lt_cv_prog_cc_wl='-LD' else lt_cv_prog_cc_wl='-Wl,' fi ;; uts4*) lt_cv_prog_cc_pic='-pic' lt_cv_prog_cc_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then lt_cv_prog_cc_pic='-Kconform_pic' lt_cv_prog_cc_static='-Bstatic' fi ;; *) lt_cv_prog_cc_can_build_shared=no ;; esac fi ]) if test -z "$lt_cv_prog_cc_pic"; then AC_MSG_RESULT([none]) else AC_MSG_RESULT([$lt_cv_prog_cc_pic]) # Check to make sure the pic_flag actually works. AC_MSG_CHECKING([if $compiler PIC flag $lt_cv_prog_cc_pic works]) AC_CACHE_VAL(lt_cv_prog_cc_pic_works, [dnl save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $lt_cv_prog_cc_pic -DPIC" AC_TRY_COMPILE([], [], [dnl case $host_os in hpux9* | hpux10* | hpux11*) # On HP-UX, both CC and GCC only warn that PIC is supported... then # they create non-PIC objects. So, if there were any warnings, we # assume that PIC is not supported. if test -s conftest.err; then lt_cv_prog_cc_pic_works=no else lt_cv_prog_cc_pic_works=yes fi ;; *) lt_cv_prog_cc_pic_works=yes ;; esac ], [dnl lt_cv_prog_cc_pic_works=no ]) CFLAGS="$save_CFLAGS" ]) if test "X$lt_cv_prog_cc_pic_works" = Xno; then lt_cv_prog_cc_pic= lt_cv_prog_cc_can_build_shared=no else lt_cv_prog_cc_pic=" $lt_cv_prog_cc_pic" fi AC_MSG_RESULT([$lt_cv_prog_cc_pic_works]) fi # Check for any special shared library compilation flags. if test -n "$lt_cv_prog_cc_shlib"; then AC_MSG_WARN([\`$CC' requires \`$lt_cv_prog_cc_shlib' to build shared libraries]) if echo "$old_CC $old_CFLAGS " | egrep -e "[[ ]]$lt_cv_prog_cc_shlib[[ ]]" >/dev/null; then : else AC_MSG_WARN([add \`$lt_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure]) lt_cv_prog_cc_can_build_shared=no fi fi AC_MSG_CHECKING([if $compiler static flag $lt_cv_prog_cc_static works]) AC_CACHE_VAL([lt_cv_prog_cc_static_works], [dnl lt_cv_prog_cc_static_works=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS $lt_cv_prog_cc_static" AC_TRY_LINK([], [], [lt_cv_prog_cc_static_works=yes]) LDFLAGS="$save_LDFLAGS" ]) # Belt *and* braces to stop my trousers falling down: test "X$lt_cv_prog_cc_static_works" = Xno && lt_cv_prog_cc_static= AC_MSG_RESULT([$lt_cv_prog_cc_static_works]) pic_flag="$lt_cv_prog_cc_pic" special_shlib_compile_flags="$lt_cv_prog_cc_shlib" wl="$lt_cv_prog_cc_wl" link_static_flag="$lt_cv_prog_cc_static" no_builtin_flag="$lt_cv_prog_cc_no_builtin" can_build_shared="$lt_cv_prog_cc_can_build_shared" # Check to see if options -o and -c are simultaneously supported by compiler AC_MSG_CHECKING([if $compiler supports -c -o file.$ac_objext]) AC_CACHE_VAL([lt_cv_compiler_c_o], [ $rm -r conftest 2>/dev/null mkdir conftest cd conftest echo "int some_variable = 0;" > conftest.$ac_ext mkdir out # According to Tom Tromey, Ian Lance Taylor reported there are C compilers # that will create temporary files in the current directory regardless of # the output directory. Thus, making CWD read-only will cause this test # to fail, enabling locking or at least warning the user not to do parallel # builds. chmod -w . save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -o out/conftest2.$ac_objext" compiler_c_o=no if { (eval echo configure:__oline__: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$ac_objext; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s out/conftest.err; then lt_cv_compiler_c_o=no else lt_cv_compiler_c_o=yes fi else # Append any errors to the config.log. cat out/conftest.err 1>&AC_FD_CC lt_cv_compiler_c_o=no fi CFLAGS="$save_CFLAGS" chmod u+w . $rm conftest* out/* rmdir out cd .. rmdir conftest $rm -r conftest 2>/dev/null ]) compiler_c_o=$lt_cv_compiler_c_o AC_MSG_RESULT([$compiler_c_o]) if test x"$compiler_c_o" = x"yes"; then # Check to see if we can write to a .lo AC_MSG_CHECKING([if $compiler supports -c -o file.lo]) AC_CACHE_VAL([lt_cv_compiler_o_lo], [ lt_cv_compiler_o_lo=no save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -c -o conftest.lo" save_objext="$ac_objext" ac_objext=lo AC_TRY_COMPILE([], [int some_variable = 0;], [dnl # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then lt_cv_compiler_o_lo=no else lt_cv_compiler_o_lo=yes fi ]) ac_objext="$save_objext" CFLAGS="$save_CFLAGS" ]) compiler_o_lo=$lt_cv_compiler_o_lo AC_MSG_RESULT([$compiler_o_lo]) else compiler_o_lo=no fi # Check to see if we can do hard links to lock some files if needed hard_links="nottested" if test "$compiler_c_o" = no && test "$need_locks" != no; then # do not overwrite the value of need_locks provided by the user AC_MSG_CHECKING([if we can lock with hard links]) hard_links=yes $rm conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no AC_MSG_RESULT([$hard_links]) if test "$hard_links" = no; then AC_MSG_WARN([\`$CC' does not support \`-c -o', so \`make -j' may be unsafe]) need_locks=warn fi else need_locks=no fi if test "$GCC" = yes; then # Check to see if options -fno-rtti -fno-exceptions are supported by compiler AC_MSG_CHECKING([if $compiler supports -fno-rtti -fno-exceptions]) echo "int some_variable = 0;" > conftest.$ac_ext save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.$ac_ext" compiler_rtti_exceptions=no AC_TRY_COMPILE([], [int some_variable = 0;], [dnl # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then compiler_rtti_exceptions=no else compiler_rtti_exceptions=yes fi ]) CFLAGS="$save_CFLAGS" AC_MSG_RESULT([$compiler_rtti_exceptions]) if test "$compiler_rtti_exceptions" = "yes"; then no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions' else no_builtin_flag=' -fno-builtin' fi fi # See if the linker supports building shared libraries. AC_MSG_CHECKING([whether the linker ($LD) supports shared libraries]) allow_undefined_flag= no_undefined_flag= need_lib_prefix=unknown need_version=unknown # when you set need_version to no, make sure it does not cause -set_version # flags to be left without arguments archive_cmds= archive_expsym_cmds= old_archive_from_new_cmds= old_archive_from_expsyms_cmds= export_dynamic_flag_spec= whole_archive_flag_spec= thread_safe_flag_spec= hardcode_into_libs=no hardcode_libdir_flag_spec= hardcode_libdir_separator= hardcode_direct=no hardcode_minus_L=no hardcode_shlibpath_var=unsupported runpath_var= link_all_deplibs=unknown always_export_symbols=no export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols' # include_expsyms should be a list of space-separated symbols to be *always* # included in the symbol list include_expsyms= # exclude_expsyms can be an egrep regular expression of symbols to exclude # it will be wrapped by ` (' and `)$', so one must not match beginning or # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', # as well as any symbol that contains `d'. exclude_expsyms="_GLOBAL_OFFSET_TABLE_" # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out # platforms (ab)use it in PIC code, but their linkers get confused if # the symbol is explicitly referenced. Since portable code cannot # rely on this symbol name, it's probably fine to never include it in # preloaded symbol tables. extract_expsyms_cmds= case $host_os in cygwin* | mingw* | pw32*) # FIXME: the MSVC++ port hasn't been tested in a loooong time # When not using gcc, we currently assume that we are using # Microsoft Visual C++. if test "$GCC" != yes; then with_gnu_ld=no fi ;; openbsd*) with_gnu_ld=no ;; esac ld_shlibs=yes if test "$with_gnu_ld" = yes; then # If archive_cmds runs LD, not CC, wlarc should be empty wlarc='${wl}' # See if GNU ld supports shared libraries. case $host_os in aix3* | aix4* | aix5*) # On AIX, the GNU linker is very broken # Note:Check GNU linker on AIX 5-IA64 when/if it becomes available. ld_shlibs=no cat <&2 *** Warning: the GNU linker, at least up to release 2.9.1, is reported *** to be unable to reliably create shared libraries on AIX. *** Therefore, libtool is disabling shared libraries support. If you *** really care for shared libraries, you may want to modify your PATH *** so that a non-GNU linker is found, and then restart. EOF ;; amigaos*) archive_cmds='$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 $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes # Samuel A. Falvo II reports # that the semantics of dynamic libraries on AmigaOS, at least up # to version 4, is to share data among multiple programs linked # with the same dynamic library. Since this doesn't match the # behavior of shared libraries on other platforms, we can use # them. ld_shlibs=no ;; beos*) if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then allow_undefined_flag=unsupported # Joseph Beckenbach says some releases of gcc # support --undefined. This deserves some investigation. 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Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. EOF elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then archive_cmds='$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 $lib' else ld_shlibs=no fi ;; sunos4*) archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= hardcode_direct=yes hardcode_shlibpath_var=no ;; *) if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then archive_cmds='$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 $lib' else ld_shlibs=no fi ;; esac if test "$ld_shlibs" = yes; then runpath_var=LD_RUN_PATH hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' export_dynamic_flag_spec='${wl}--export-dynamic' case $host_os in cygwin* | mingw* | pw32*) # dlltool doesn't understand --whole-archive et. al. whole_archive_flag_spec= ;; *) # ancient GNU ld didn't support --whole-archive et. al. if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' else whole_archive_flag_spec= fi ;; esac fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) allow_undefined_flag=unsupported always_export_symbols=yes archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. hardcode_minus_L=yes if test "$GCC" = yes && test -z "$link_static_flag"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. hardcode_direct=unsupported fi ;; aix4* | aix5*) if test "$host_cpu" = ia64; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag="" else aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. 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Setting hardcode_minus_L # to unsupported forces relinking hardcode_minus_L=yes hardcode_libdir_flag_spec='-L$libdir' hardcode_libdir_separator= fi esac shared_flag='-shared' else # not using gcc if test "$host_cpu" = ia64; then shared_flag='${wl}-G' else if test "$aix_use_runtimelinking" = yes; then shared_flag='${wl}-G' else shared_flag='${wl}-bM:SRE' fi fi fi # It seems that -bexpall can do strange things, so it is better to # generate a list of symbols to export. always_export_symbols=yes if test "$aix_use_runtimelinking" = yes; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' archive_expsym_cmds="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; 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 ${wl}-h$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" else hardcode_libdir_flag_spec='${wl}-bnolibpath ${wl}-blibpath:$libdir:/usr/lib:/lib' # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. allow_undefined_flag='${wl}-berok' # This is a bit strange, but 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 ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"' ~$AR -crlo $objdir/$libname$release.a $objdir/$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 $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes # see comment about different semantics on the GNU ld section ld_shlibs=no ;; cygwin* | mingw* | pw32*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' fix_srcfile_path='`cygpath -w "$srcfile"`' ;; darwin* | rhapsody*) case "$host_os" in rhapsody* | darwin1.[[012]]) allow_undefined_flag='-undefined suppress' ;; *) # Darwin 1.3 on allow_undefined_flag='-flat_namespace -undefined suppress' ;; esac # FIXME: Relying on posixy $() will cause problems for # cross-compilation, but unfortunately the echo tests do not # yet detect zsh echo's removal of \ escapes. archive_cmds='$nonopt $(test "x$module" = xyes && echo -bundle || echo -dynamiclib) $allow_undefined_flag -o $lib $libobjs $deplibs$linker_flags -install_name $rpath/$soname $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 $convenience' ;; freebsd1*) ld_shlibs=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. 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*) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; esac hardcode_libdir_flag_spec='${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='${wl}-E' ;; irix5* | irix6*) if test "$GCC" = yes; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib' fi hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: link_all_deplibs=yes ;; netbsd*) if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; 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osf3*) if test "$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 ${wl}${output_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 ${output_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 "$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 ${wl}${output_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 ${output_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' #Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi hardcode_libdir_separator=: ;; sco3.2v5*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes export_dynamic_flag_spec='${wl}-Bexport' ;; solaris*) # gcc --version < 3.0 without binutils cannot create self contained # shared libraries reliably, requiring libgcc.a to resolve some of # the object symbols generated in some cases. Libraries that use # assert need libgcc.a to resolve __eprintf, for example. Linking # a copy of libgcc.a into every shared library to guarantee resolving # such symbols causes other problems: According to Tim Van Holder # , C++ libraries end up with a separate # (to the application) exception stack for one thing. no_undefined_flag=' -z defs' if test "$GCC" = yes; then case `$CC --version 2>/dev/null` in [[12]].*) cat <&2 *** Warning: Releases of GCC earlier than version 3.0 cannot reliably *** create self contained shared libraries on Solaris systems, without *** introducing a dependency on libgcc.a. Therefore, libtool is disabling *** -no-undefined support, which will at least allow you to build shared *** libraries. However, you may find that when you link such libraries *** into an application without using GCC, you have to manually add *** \`gcc --print-libgcc-file-name\` to the link command. We urge you to *** upgrade to a newer version of GCC. Another option is to rebuild your *** current GCC to use the GNU linker from GNU binutils 2.9.1 or newer. 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See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # */ # # #include /* for printf() */ # #include /* for open(), lseek(), read() */ # #include /* for O_RDONLY, O_BINARY */ # #include /* for strdup() */ # # /* O_BINARY isn't required (or even defined sometimes) under Unix */ # #ifndef O_BINARY # #define O_BINARY 0 # #endif # # static unsigned int # pe_get16 (fd, offset) # int fd; # int offset; # { # unsigned char b[2]; # lseek (fd, offset, SEEK_SET); # read (fd, b, 2); # return b[0] + (b[1]<<8); # } # # static unsigned int # pe_get32 (fd, offset) # int fd; # int offset; # { # unsigned char b[4]; # lseek (fd, offset, SEEK_SET); # read (fd, b, 4); # return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24); # } # # static unsigned int # pe_as32 (ptr) # void *ptr; # { # unsigned char *b = ptr; # return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24); # } # # int # main (argc, argv) # int argc; # char *argv[]; # { # int dll; # unsigned long pe_header_offset, opthdr_ofs, num_entries, i; # unsigned long export_rva, export_size, nsections, secptr, expptr; # unsigned long name_rvas, nexp; # unsigned char *expdata, *erva; # char *filename, *dll_name; # # filename = argv[1]; # # dll = open(filename, O_RDONLY|O_BINARY); # if (dll < 1) # return 1; # # dll_name = filename; # # for (i=0; filename[i]; i++) # if (filename[i] == '/' || filename[i] == '\\' || filename[i] == ':') # dll_name = filename + i +1; # # pe_header_offset = pe_get32 (dll, 0x3c); # opthdr_ofs = pe_header_offset + 4 + 20; # num_entries = pe_get32 (dll, opthdr_ofs + 92); # # if (num_entries < 1) /* no exports */ # return 1; # # export_rva = pe_get32 (dll, opthdr_ofs + 96); # export_size = pe_get32 (dll, opthdr_ofs + 100); # nsections = pe_get16 (dll, pe_header_offset + 4 +2); # secptr = (pe_header_offset + 4 + 20 + # pe_get16 (dll, pe_header_offset + 4 + 16)); # # expptr = 0; # for (i = 0; i < nsections; i++) # { # char sname[8]; # unsigned long secptr1 = secptr + 40 * i; # unsigned long vaddr = pe_get32 (dll, secptr1 + 12); # unsigned long vsize = pe_get32 (dll, secptr1 + 16); # unsigned long fptr = pe_get32 (dll, secptr1 + 20); # lseek(dll, secptr1, SEEK_SET); # read(dll, sname, 8); # if (vaddr <= export_rva && vaddr+vsize > export_rva) # { # expptr = fptr + (export_rva - vaddr); # if (export_rva + export_size > vaddr + vsize) # export_size = vsize - (export_rva - vaddr); # break; # } # } # # expdata = (unsigned char*)malloc(export_size); # lseek (dll, expptr, SEEK_SET); # read (dll, expdata, export_size); # erva = expdata - export_rva; # # nexp = pe_as32 (expdata+24); # name_rvas = pe_as32 (expdata+32); # # printf ("EXPORTS\n"); # for (i = 0; i> "${ofile}T" || (rm -f "${ofile}T"; exit 1) mv -f "${ofile}T" "$ofile" || \ (rm -f "$ofile" && cp "${ofile}T" "$ofile" && rm -f "${ofile}T") chmod +x "$ofile" fi ])# _LT_AC_LTCONFIG_HACK # AC_LIBTOOL_DLOPEN - enable checks for dlopen support AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) # AC_ENABLE_SHARED - implement the --enable-shared flag # Usage: AC_ENABLE_SHARED[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. 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