On Thu, Apr 22, 2010 at 12:44:42AM +0200, Paolo Bonzini wrote:
> On Thu, Apr 22, 2010 at 00:35, Andreas Schwab <sch...@linux-m68k.org> wrote:
> > Paolo Bonzini <bonz...@gnu.org> writes:
> >
> >> I'm not sure if "nm -g" would work under Linux, since
> >>
> >> $ nm -g /usr/lib64/libsqlite3.so
> >> nm: /usr/lib64/libsqlite3.so: no symbols
> >>
> >> $ objdump -T /usr/lib64/libsqlite3.so|head -5
> >
> > The equivalent of "objdump -T" is "nm -D".
>
> ... but I'm not sure nm -D would work under Darwin, either. ;-)
>
> Paolo
Paolo,
We don't have -D in our nm. How about the following change to
configure.ac?
Jack
Index: configure.ac
===================================================================
--- configure.ac (revision 158487)
+++ configure.ac (working copy)
@@ -4456,15 +4456,27 @@
pluginlibs=
if test x"$enable_plugin" = x"yes"; then
+ if test -z "$gcc_cv_objdump"; then
+ case "${host}" in
+ *-*-darwin*)
+ export_sym_check="$gcc_cv_nm -g"
+ ;;
+ *)
+ export_sym_check="$gcc_cv_nm -D"
+ ;;
+ esac
+ else
+ export_sym_check="$gcc_cv_objdump -T"
+ fi
AC_MSG_CHECKING([for exported symbols])
echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest > /dev/null 2>&1
- if $gcc_cv_objdump -T conftest | grep foobar > /dev/null; then
+ if $export_sym_check conftest | grep foobar > /dev/null; then
: # No need to use a flag
else
AC_MSG_CHECKING([for -rdynamic])
${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null
2>&1
- if $gcc_cv_objdump -T conftest | grep foobar > /dev/null; then
+ if $export_sym_check conftest | grep foobar > /dev/null; then
plugin_rdynamic=yes
pluginlibs="-rdynamic"
else
@@ -4484,7 +4496,14 @@
# Check that we can build shared objects with -fPIC -shared
saved_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS -fPIC -shared"
+ case "${host}" in
+ *-*-darwin*)
+ LDFLAGS="$LDFLAGS -fPIC -shared -undefined dynamic_lookup"
+ ;;
+ *)
+ LDFLAGS="$LDFLAGS -fPIC -shared"
+ ;;
+ esac
AC_MSG_CHECKING([for -fPIC -shared])
AC_TRY_LINK(
[extern int X;],[return X == 0;],
