From 9ec69d2ee7e74876adf6af4e50bd4686639dce05 Mon Sep 17 00:00:00 2001 From: Jack Howarth Date: Mon, 26 Apr 2010 20:48:35 +0000 Subject: re PR target/43715 (configure option --enable-plugin fails on darwin) 2010-04-26 Jack Howarth PR 43715 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin instead of "$gcc_cv_objdump -T". Use "-undefined dynamic_lookup" on darwin. From-SVN: r158748 --- gcc/configure.ac | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'gcc/configure.ac') diff --git a/gcc/configure.ac b/gcc/configure.ac index 2f571e6..1676c40 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -4456,15 +4456,23 @@ enable_plugin=yes; default_plugin=yes) pluginlibs= if test x"$enable_plugin" = x"yes"; then + case "${host}" in + *-*-darwin*) + export_sym_check="$gcc_cv_nm -g" + ;; + *) + export_sym_check="$gcc_cv_objdump -T" + ;; + esac 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 $export_sym_check conftest | grep foobar > /dev/null; then plugin_rdynamic=yes pluginlibs="-rdynamic" else @@ -4484,7 +4492,14 @@ if test x"$enable_plugin" = x"yes"; then # 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;], -- cgit v1.1