[patch, darwin, committed] fix PR47997

Iain Sandoe developer@sandoe-acoustics.co.uk
Sun Jun 26 17:38:00 GMT 2011

I applied the following patch (approved in the PR thread) to fix this  
in trunk.
It should also be applied to 4.6.x at some stage.


	PR target/47997
	* config/darwin.c (darwin_mergeable_string_section): Place string
	constants in '.cstring' rather than '.const' when CF/NSStrings are

Index: gcc/config/darwin.c
--- gcc/config/darwin.c	(revision 175409)
+++ gcc/config/darwin.c	(working copy)
@@ -1195,7 +1195,11 @@ static section *
  darwin_mergeable_string_section (tree exp,
  				 unsigned HOST_WIDE_INT align)
-  if (flag_merge_constants
+  /* Darwin's ld expects to see non-writable string literals in  
the .cstring
+     section.  Later versions of ld check and complain when CFStrings  
+     enabled.  Therefore we shall force the strings into .cstring  
since we
+     don't support writable ones anyway.  */
+  if ((darwin_constant_cfstrings || flag_merge_constants)
        && TREE_CODE (exp) == STRING_CST
        && TREE_CODE (TREE_TYPE (exp)) == ARRAY_TYPE
        && align <= 256

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