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Bug 640202 Impossible to build multi-architecture libraries

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Hides ELF-only linker flag -export-dynamic from non-ELF linkers.
This commit is contained in:
Peter O'Gorman 2012-03-02 13:36:27 -08:00 committed by John Ralls
parent 00f1e1f5c2
commit 59ee6dbc00
1 changed files with 10 additions and 5 deletions
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15
configure.ac
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@ -1546,8 +1546,13 @@ if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then
LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS" LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS"
dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness
echo "void glib_plugin_test(void) { }" > plugin.c echo "void glib_plugin_test(void) { }" > plugin.c
${SHELL} ./libtool --mode=compile ${CC} -shared \ ${SHELL} ./libtool --mode=compile --tag=CC ${CC} ${CFLAGS} \
-export-dynamic -o plugin.o plugin.c 2>&1 >/dev/null ${CPPFLAGS} -c -o plugin.lo plugin.c >/dev/null 2>&1
${SHELL} ./libtool --mode=link --tag=CC ${CC} ${CFLAGS} \
${LDFLAGS} -module -o plugin.la -export-dynamic \
-shrext ".o" -avoid-version plugin.lo \
-rpath /dont/care >/dev/null 2>&1
eval `./libtool --config | grep ^objdir`
AC_CACHE_CHECK([for RTLD_GLOBAL brokenness], AC_CACHE_CHECK([for RTLD_GLOBAL brokenness],
glib_cv_rtldglobal_broken,[ glib_cv_rtldglobal_broken,[
AC_TRY_RUN([ AC_TRY_RUN([
@ -1562,7 +1567,7 @@ int glib_plugin_test;
int main () { int main () {
void *handle, *global, *local; void *handle, *global, *local;
global = &glib_plugin_test; global = &glib_plugin_test;
handle = dlopen ("./.libs/plugin.o", RTLD_GLOBAL | RTLD_LAZY); handle = dlopen ("./$objdir/plugin.o", RTLD_GLOBAL | RTLD_LAZY);
if (!handle) return 0; if (!handle) return 0;
local = dlsym (handle, "glib_plugin_test"); local = dlsym (handle, "glib_plugin_test");
return global == local; return global == local;
@ -1570,8 +1575,8 @@ int main () {
[glib_cv_rtldglobal_broken=no], [glib_cv_rtldglobal_broken=no],
[glib_cv_rtldglobal_broken=yes], [glib_cv_rtldglobal_broken=yes],
[glib_cv_rtldglobal_broken=no]) [glib_cv_rtldglobal_broken=no])
rm -f plugin.c plugin.o plugin.lo .libs/plugin.o rm -f plugin.c plugin.o plugin.lo plugin.la ${objdir}/plugin.*
rmdir .libs 2>/dev/null rmdir ${objdir} 2>/dev/null
]) ])
if test "x$glib_cv_rtldglobal_broken" = "xyes"; then if test "x$glib_cv_rtldglobal_broken" = "xyes"; then
G_MODULE_BROKEN_RTLD_GLOBAL=1 G_MODULE_BROKEN_RTLD_GLOBAL=1