Brian Dessent wrote: > Ralf Wildenhues wrote: > >> Did GCC change since then, or is this system-dependent? > > Interesting. I'd be curious to see if powerpc-ibm-aix5.3.0.0-c++filt > recognises the FI/FD encoding, and if so then it would be reasonable to > conclude that this is in fact system-dependent or otherwise an internal > implementation detail. Nevertheless it seems to me like the regexp > ought accept but not require the leading F since the testcase of a > simple ctor results in a symbol _GLOBAL__I_.* on Linux as well.
My revised patch is still in-progress, but I've changed the libtool.m4 [cygwin|mingw] part to look like this; -- Chuck
diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4 index 35d7d5c..d45013d 100644 --- a/libltdl/m4/libtool.m4 +++ b/libltdl/m4/libtool.m4 @@ -4089,6 +4089,7 @@ m4_require([_LT_TAG_COMPILER])dnl AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) m4_if([$1], [CXX], [ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] case $host_os in aix[[4-9]]*) # If we're using GNU nm, then we don't want the "-C" option. @@ -4103,13 +4104,13 @@ m4_if([$1], [CXX], [ _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds" ;; cygwin* | mingw* | cegcc*) - _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;/^.*[[ ]]__nm__/s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] ;; *) _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' ;; esac - _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] ], [ runpath_var= _LT_TAGVAR(allow_undefined_flag, $1)= @@ -4248,7 +4249,8 @@ _LT_EOF _LT_TAGVAR(allow_undefined_flag, $1)=unsupported _LT_TAGVAR(always_export_symbols, $1)=no _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes - _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'