* m4/libtool.m4 (_LT_LINKER_SHLIBS): On AIX, GNU g++ generates _GLOBAL__* symbols as, amongst others, landing pads for C++ exceptions. These symbols must not be exported from shared libraries, or exception handling may break for applications with runtime linking enabled. --- m4/libtool.m4 | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/m4/libtool.m4 b/m4/libtool.m4 index 6134522..c8a878f 100644 --- a/m4/libtool.m4 +++ b/m4/libtool.m4 @@ -5042,6 +5042,7 @@ m4_if([$1], [CXX], [ _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] case $host_os in aix[[4-9]]*) + _LT_TAGVAR(exclude_expsyms, $1)='_GLOBAL_OFFSET_TABLE_|_GLOBAL__.*' _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $EGREP -v " ($exclude_expsyms)$" | awk '\''{ kw = "" } /^[[VWZ]] / { kw = " weak" } { print $ 3 kw }'\'' | sort -u > $export_symbols' ;; pw32*) @@ -5485,6 +5486,7 @@ _LT_EOF exp_sym_flag='-Bexport' no_entry_flag= else + _LT_TAGVAR(exclude_expsyms, $1)='_GLOBAL_OFFSET_TABLE_|_GLOBAL__.*' _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $EGREP -v " ($exclude_expsyms)$" | awk '\''{ kw = "" } /^[[VWZ]] / { kw = " weak" } { print $ 3 kw }'\'' | sort -u > $export_symbols' aix_use_runtimelinking=no -- 2.4.6