sol2.c (solaris_assemble_visibility): Declare decl, vis unused.

	* config/sol2.c (solaris_assemble_visibility): Declare decl, vis
	unused.
	Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
	* configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
	support in Sun ld.
	* configure: Regenerate.

From-SVN: r159218

gcc/ChangeLog

+2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* config/sol2.c (solaris_assemble_visibility): Declare decl, vis
+	unused.
+	Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
+	* configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
+	support in Sun ld.
+	* configure: Regenerate.
+
 2010-05-10  Richard Guenther  <rguenther@suse.de>
 
 	* lto-symtab.c (lto_symtab_entry_marked_p): Make entry

gcc/config/sol2.c

@@ -122,8 +122,10 @@ solaris_output_init_fini (FILE *file, tree decl)
    the visibility type VIS, which must not be VISIBILITY_DEFAULT.  */
 
 void
-solaris_assemble_visibility (tree decl, int vis)
+solaris_assemble_visibility (tree decl ATTRIBUTE_UNUSED,
+			     int vis ATTRIBUTE_UNUSED)
 {
+#ifdef HAVE_GAS_HIDDEN
   /* Sun as uses .symbolic for STV_PROTECTED.  STV_INTERNAL is marked as
      `currently reserved', but the linker treats it like STV_HIDDEN.  Sun
      Studio 12.1 cc emits .hidden instead.
@@ -146,9 +148,6 @@ solaris_assemble_visibility (tree decl, int vis)
   name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
   type = visibility_types[vis];
 
-  /* .hidden dates back before Solaris 2.5, but .symbolic was only added in
-     Solaris 9 12/02.  */
-#ifdef HAVE_GAS_HIDDEN
   fprintf (asm_out_file, "\t.%s\t", type);
   assemble_name (asm_out_file, name);
   fprintf (asm_out_file, "\n");

gcc/configure

@@ -21343,6 +21343,8 @@ else
 	gcc_cv_ld_hidden=yes
 	;;
       *-*-solaris2.9* | *-*-solaris2.1[0-9]*)
+	# Support for .hidden in Sun ld appeared in Solaris 9 FCS, but
+	# .symbolic was only added in Solaris 9 12/02.
         gcc_cv_ld_hidden=yes
 	;;
       *)

gcc/configure.ac

@@ -2225,6 +2225,8 @@ else
 	gcc_cv_ld_hidden=yes
 	;;
       *-*-solaris2.9* | *-*-solaris2.1[0-9]*)
+	# Support for .hidden in Sun ld appeared in Solaris 9 FCS, but
+	# .symbolic was only added in Solaris 9 12/02.
         gcc_cv_ld_hidden=yes
 	;;
       *)