* Fix for g++/15861

[pf3gnuchains/gcc-fork.git] / gcc / c-cppbuiltin.c

diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c
index 84bd6f5..3f0f688 100644 (file)
--- a/gcc/c-cppbuiltin.c
+++ b/gcc/c-cppbuiltin.c
@@ -23,6 +23,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "coretypes.h"
 #include "tm.h"
 #include "tree.h"
+#include "version.h"
 #include "flags.h"
 #include "real.h"
 #include "c-common.h"
@@ -31,6 +32,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "except.h"            /* For USING_SJLJ_EXCEPTIONS.  */
 #include "toplev.h"
 #include "tm_p.h"              /* Target prototypes.  */
+#include "target.h"
 
 #ifndef TARGET_OS_CPP_BUILTINS
 # define TARGET_OS_CPP_BUILTINS()
@@ -408,6 +410,13 @@ c_cpp_builtins (cpp_reader *pfile)
   if (c_dialect_objc () && flag_next_runtime)
     cpp_define (pfile, "__NEXT_RUNTIME__");
 
+  /* Show the availability of some target pragmas.  */
+  if (flag_mudflap || targetm.handle_pragma_redefine_extname)
+    cpp_define (pfile, "__PRAGMA_REDEFINE_EXTNAME");
+
+  if (targetm.handle_pragma_extern_prefix)
+    cpp_define (pfile, "__PRAGMA_EXTERN_PREFIX");
+
   /* A straightforward target hook doesn't work, because of problems
      linking that hook's body when part of non-C front ends.  */
 # define preprocessing_asm_p() (cpp_get_options (pfile)->lang == CLK_ASM)