On 5-Oct-08, at 1:04 PM, Ralf Wildenhues wrote:
I kinda wonder at which point you'll suggest
case $host in darwin*)
AC_MSG_WARNING([please file a radar about X*'ยง/$&]) ;;
esac
Thanks Ralf, this comment made me realize that I was being silly
trying to fix a problem in libtool that should be fixed in ld. So I
emailed Nick (the Apple linker guy) and asked him to help. I sent a
patch that implemented a -force_load linker flag, which he probably
threw away before implementing his own version of same.
This libtool patch should work with darwin10 when it is released, not
sure how much we should care about current darwin issues?
Peter
--
Peter O'Gorman
http://pogma.com
diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4
index 3fa0688..09bc171 100644
--- a/libltdl/m4/libtool.m4
+++ b/libltdl/m4/libtool.m4
@@ -971,6 +971,29 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
[lt_cv_ld_exported_symbols_list=no])
LDFLAGS="$save_LDFLAGS"
])
+ AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
+ [lt_cv_ld_force_load=no
+ cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+ echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
+ $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
+ echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
+ $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
+ cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+ echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c
-Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
+ $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c
-Wl,-force_load,./libconftest.a 2>conftest.err
+ _lt_result=$?
+ if test -f conftest && test ! -s conftest.err && test $_lt_result = 0 &&
$GREP forced_load conftest 2>&1 >/dev/null; then
+ lt_cv_ld_force_load=yes
+ else
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ fi
+ rm -f conftest.err conftest.a conftest conftest.c
+ rm -rf conftest.dSYM
+ ])
case $host_os in
rhapsody* | darwin1.[[012]])
_lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
@@ -998,7 +1021,7 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
else
_lt_dar_export_syms='~$NMEDIT -s
$output_objdir/${libname}-symbols.expsym ${lib}'
fi
- if test "$DSYMUTIL" != ":"; then
+ if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then
_lt_dsymutil='~$DSYMUTIL $lib || :'
else
_lt_dsymutil=
@@ -1018,7 +1041,11 @@ m4_defun([_LT_DARWIN_LINKER_FEATURES],
_LT_TAGVAR(hardcode_direct, $1)=no
_LT_TAGVAR(hardcode_automatic, $1)=yes
_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
- _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+ if test "$lt_cv_ld_force_load" = "yes"; then
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do
test -n \"$conv\" && new_convenience=\"$new_convenience
${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+ else
+ _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+ fi
_LT_TAGVAR(link_all_deplibs, $1)=yes
_LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
case $cc_basename in
