diff options
Diffstat (limited to 'contrib/binutils/ltcf-gcj.sh')
| -rw-r--r-- | contrib/binutils/ltcf-gcj.sh | 212 |
1 files changed, 146 insertions, 66 deletions
diff --git a/contrib/binutils/ltcf-gcj.sh b/contrib/binutils/ltcf-gcj.sh index f82163d..7be8712 100644 --- a/contrib/binutils/ltcf-gcj.sh +++ b/contrib/binutils/ltcf-gcj.sh @@ -41,7 +41,7 @@ lt_simple_compile_test_code="class foo {}" lt_simple_link_test_code='public class conftest { public static void main(String[] argv) {}; }' ## Linker Characteristics -case "$host_os" in +case $host_os in cygwin* | mingw*) # FIXME: the MSVC++ port hasn't been tested in a loooong time # When not using gcc, we currently assume that we are using @@ -59,11 +59,12 @@ if test "$with_gnu_ld" = yes; then 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. @@ -72,6 +73,7 @@ if test "$with_gnu_ld" = yes; then *** so that a non-GNU linker is found, and then restart. EOF + fi ;; amigaos*) @@ -111,7 +113,7 @@ EOF test -f $output_objdir/impgen.exe || (cd $output_objdir && \ if test "x$HOST_CC" != "x" ; then $HOST_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' @@ -120,7 +122,7 @@ EOF # 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 @@ -151,23 +153,29 @@ EOF $DLLTOOL --export-all --exclude-symbols '$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_gcj_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 '$lt_cv_gcj_dll_switch' -Wl,-e,'$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 '$lt_cv_gcj_dll_switch' -Wl,-e,'$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 $compiler_flags' ;; netbsd*) @@ -175,8 +183,8 @@ EOF archive_cmds='$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 $lib' fi ;; @@ -239,7 +247,7 @@ EOF fi else # PORTME fill in a description of your system's linker (not GNU ld) - case "$host_os" in + case $host_os in aix3*) allow_undefined_flag=unsupported always_export_symbols=yes @@ -254,39 +262,95 @@ else fi ;; - aix4*) - hardcode_libdir_flag_spec='${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 $output_objdir && a2ixlibrary -32)' @@ -311,7 +375,7 @@ else old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' - fix_srcfile_path='`cygpath -w $srcfile`' + fix_srcfile_path='`cygpath -w "$srcfile"`' ;; freebsd1*) @@ -346,7 +410,7 @@ else ;; hpux9* | hpux10* | hpux11*) - case "$host_os" in + 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 @@ -373,7 +437,7 @@ else 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 $linker_flags' # ELF + archive_cmds='$LD -shared -nodefaultlibs -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='${wl}-R$libdir' hardcode_direct=yes @@ -427,18 +491,22 @@ else ;; 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' + no_undefined_flag=' ${wl}-z ${wl}defs' + archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib' archive_expsym_cmds='$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' + $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmds="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\"" + + hardcode_libdir_flag_spec='${wl}-R $wl$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' ;; + whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' ;; esac link_all_deplibs=yes ;; @@ -507,8 +575,13 @@ else runpath_var=LD_RUN_PATH ;; - unixware7*) - archive_cmds='$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 $compiler_flags' + fi runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; @@ -533,7 +606,7 @@ fi ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static='-static' - case "$host_os" in + case $host_os in beos* | irix5* | irix6* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; @@ -546,6 +619,10 @@ fi # we not sure about C++ programs. ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" ;; + *djgpp*) + # DJGPP does not suppot shared libraries at all + ac_cv_prog_cc_pic= + ;; 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). @@ -569,3 +646,6 @@ fi # GCJ did not exist at the time GCC didn't implicitly link libc in. need_lc=no + +# All existing releases of GCJ support `-c -o'. +lt_cv_compiler_c_o=yes |
