From: Dan McNichol Date: Thu, 12 Jul 2001 18:10:46 +0000 (+0000) Subject: From albert chin X-Git-Tag: release-1-4-1~13 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4944ca7949f0c0a937eb6082af59191f7afbd369;p=thirdparty%2Flibtool.git From albert chin * libtool.m4: Fix AIX run-time-linking when using gcc. --- diff --git a/ChangeLog b/ChangeLog index b40b8523e..e08317c61 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2001-07-12 Dan McNichol + From albert chin + * libtool.m4: Fix AIX run-time-linking when using gcc. + From albert chin * ltmain.in: Fix a case where the lockfile is not removed, thus causing libtool to loop forever waiting for it to be removed. diff --git a/libtool.m4 b/libtool.m4 index e68ed6afc..482123c69 100644 --- a/libtool.m4 +++ b/libtool.m4 @@ -823,7 +823,7 @@ AC_CACHE_VAL(lt_cv_prog_cc_pic, # 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. + # not sure about C++ programs. lt_cv_prog_cc_static="$lt_cv_prog_cc_static ${lt_cv_prog_cc_wl}-lC" ;; amigaos*) @@ -1415,76 +1415,92 @@ else ;; aix4* | aix5*) + if test "$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. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix5*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + # When large executables or shared objects are built, AIX ld can # have problems creating the table of contents. If linking a library # or program results in "error TOC overflow" add -mminimal-toc to # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + hardcode_direct=yes archive_cmds='' hardcode_libdir_separator=':' if test "$GCC" = yes; then - collect2name=`${CC} -print-prog-name=collect2` - if test -f "$collect2name" && \ - strings "$collect2name" | grep resolve_lib_name >/dev/null - then - # We have reworked collect2 - hardcode_direct=yes - else - # We have old collect2 - hardcode_direct=unsupported - # It fails to find uninstalled libraries when the uninstalled - # path is not listed in the libpath. Setting hardcode_minus_L - # to unsupported forces relinking - hardcode_minus_L=yes - hardcode_libdir_flag_spec='-L$libdir' - hardcode_libdir_separator= - fi + case $host_os in aix4.[012]|aix4.[012].*) + collect2name=`${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='-G' + shared_flag='${wl}-G' else - shared_flag='${wl}-bM:SRE' + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi fi - hardcode_direct=yes fi - if test "$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 - exp_sym_flag='-Bexport' - no_entry_flag="" - else - # 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 $ld_flag = "-Wl,-brtl" ); then - aix_use_runtimelinking=yes - break - fi - done - exp_sym_flag='-bexport' - no_entry_flag='-bnoentry' - fi # It seems that -bexpall can do strange things, so it is better to # generate a list of symbols to export. always_export_symbols=yes if test "$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' - allow_undefined_flag=' -Wl,-G' - 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" + 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="-znodefs" + 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. + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. allow_undefined_flag='${wl}-berok' # This is a bit strange, but is similar to how AIX traditionally builds # it's shared libraries. @@ -1881,12 +1897,14 @@ aix4* | aix5*) fi ;; esac - # AIX (on Power*) has no versioning support, so currently we can not hardcode correct - # soname into executable. Probably we can add versioning support to - # collect2, so additional links can be useful in future. + # AIX (on Power*) has no versioning support, so currently we can + # not hardcode correct soname into executable. Probably we can + # add versioning support to collect2, so additional links can + # be useful in future. if test "$aix_use_runtimelinking" = yes; then - # If using run time linking (on AIX 4.2 or later) use lib.so instead of - # lib.a to let people know that these are not typical AIX shared libraries. + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' else # We preserve .a as extension for shared libraries through AIX4.2