darwin.c (darwin_handle_weak_import_attribute): Permit VAR_DECLs to have weak_import attribute.

2005-01-03  Geoffrey Keating  <geoffk@apple.com>

	* config/darwin.c (darwin_handle_weak_import_attribute): Permit
	VAR_DECLs to have weak_import attribute.

Index: testsuite/ChangeLog
2005-01-03  Geoffrey Keating  <geoffk@apple.com>

	* gcc.dg/darwin-weakimport-1.c: Remove check for variables
	producing warning.
	* gcc.dg/darwin-weakimport-2.c: New.

From-SVN: r92871

gcc/ChangeLog

 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
 
+	* config/darwin.c (darwin_handle_weak_import_attribute): Permit
+	VAR_DECLs to have weak_import attribute.
+
 	* config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
 	'struct ucontext'.
 

gcc/config/darwin.c

@@ -1228,7 +1228,7 @@ darwin_handle_weak_import_attribute (tree *node, tree name,
 				     int ARG_UNUSED (flags),
 				     bool * no_add_attrs)
 {
-  if (TREE_CODE (*node) != FUNCTION_DECL)
+  if (TREE_CODE (*node) != FUNCTION_DECL && TREE_CODE (*node) != VAR_DECL)
     {
       warning ("%qs attribute ignored", IDENTIFIER_POINTER (name));
       *no_add_attrs = true;

gcc/testsuite/ChangeLog

+2005-01-03  Geoffrey Keating  <geoffk@apple.com>
+
+	* gcc.dg/darwin-weakimport-1.c: Remove check for variables
+	producing warning.
+	* gcc.dg/darwin-weakimport-2.c: New.
+
 2005-01-03  Richard Henderson  <rth@redhat.com>
 
 	* g++.old-deja/g++.ext/attrib5.C: Move the alias after the referent.

gcc/testsuite/gcc.dg/darwin-weakimport-1.c

@@ -12,5 +12,3 @@ void b(void)
 {
   a();
 }
-
-extern int c __attribute__((weak_import)); /* { dg-warning "ignored" } */

gcc/testsuite/gcc.dg/darwin-weakimport-2.c

+/* APPLE LOCAL file put in 4.1 */
+/* { dg-do compile { target *-*-darwin* } } */
+/* { dg-require-weak "" } */
+
+/* { dg-final { scan-assembler "weak_reference _foo" } } */
+
+extern int foo __attribute__((weak_import));
+
+int main(void)
+{
+  if (&foo)
+    return foo;
+  return 0;
+}