darwin.h (STARTFILE_SPEC): Use %s to find crt2.o.

	* config/darwin.h (STARTFILE_SPEC): Use %s to find crt2.o.
	* config/darwin-crt2.c: Only have contents on __ppc__.

From-SVN: r81230

gcc/ChangeLog

+2004-04-27  Geoffrey Keating  <geoffk@apple.com>
+
+	* config/darwin.h (STARTFILE_SPEC): Use %s to find crt2.o.
+	* config/darwin-crt2.c: Only have contents on __ppc__.
+
 2004-04-27  Bob Wilson  <bob.wilson@acm.org>
 
 	* config/xtensa/xtensa.c (call_insn_operand): Check

gcc/config/darwin-crt2.c

 /* KeyMgr backwards-compatibility support for Darwin.
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -34,6 +34,11 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "tconfig.h"
 #include "tsystem.h"
 
+/* This file doesn't do anything useful on non-powerpc targets, since they
+   don't have backwards compatibility anyway.  */
+
+#ifdef __ppc__
+
 /* Homemade decls substituting for getsect.h and dyld.h, so cross
    compilation works.  */
 struct mach_header;
@@ -149,3 +154,5 @@ __darwin_gcc3_preregister_frame_info (void)
   _dyld_register_func_for_add_image (darwin_unwind_dyld_add_image_hook);
   _dyld_register_func_for_remove_image (darwin_unwind_dyld_remove_image_hook);
 }
+
+#endif  /* __ppc__ */

gcc/config/darwin.h

@@ -289,11 +289,11 @@ Boston, MA 02111-1307, USA.  */
      %{!Zbundle:%{pg:%{static:-lgcrt0.o} \
                      %{!static:%{object:-lgcrt0.o} \
                                %{!object:%{preload:-lgcrt0.o} \
-                                 %{!preload:-lgcrt1.o -lcrt2.o}}}} \
+                                 %{!preload:-lgcrt1.o crt2.o%s}}}} \
                 %{!pg:%{static:-lcrt0.o} \
                       %{!static:%{object:-lcrt0.o} \
                                 %{!object:%{preload:-lcrt0.o} \
-                                  %{!preload:-lcrt1.o -lcrt2.o}}}}}}"
+                                  %{!preload:-lcrt1.o crt2.o%s}}}}}}"
 
 /* The native Darwin linker doesn't necessarily place files in the order
    that they're specified on the link line.  Thus, it is pointless