* Makefile.in (c-cppbuiltin.o): Depend on debug.h.

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

diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c
index 2d951fe..01f9215 100644 (file)
--- a/gcc/c-cppbuiltin.c
+++ b/gcc/c-cppbuiltin.c
@@ -30,6 +30,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "c-pragma.h"
 #include "output.h"
 #include "except.h"            /* For USING_SJLJ_EXCEPTIONS.  */
+#include "debug.h"             /* For dwarf2out_do_frame.  */
 #include "toplev.h"
 #include "tm_p.h"              /* Target prototypes.  */
 #include "target.h"
@@ -691,6 +692,11 @@ c_cpp_builtins (cpp_reader *pfile)
     cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");
 #endif
 
+#ifdef DWARF2_UNWIND_INFO
+  if (flag_dwarf2_cfi_asm && dwarf2out_do_frame ())
+    cpp_define (pfile, "__GCC_HAVE_DWARF2_CFI_ASM");
+#endif
+
   /* Make the choice of ObjC runtime visible to source code.  */
   if (c_dialect_objc () && flag_next_runtime)
     cpp_define (pfile, "__NEXT_RUNTIME__");