Check if GCC uses assembler cfi support

	* config/generic/asmcfi.h: Also check for
	__GCC_HAVE_DWARF2_CFI_ASM.

From-SVN: r209242

libitm/ChangeLog

+2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* config/generic/asmcfi.h: Also check for
+	__GCC_HAVE_DWARF2_CFI_ASM.
+
 2013-04-02  Richard Henderson  <rth@redhat.com>
 
 	* config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.

libitm/config/generic/asmcfi.h

@@ -24,7 +24,7 @@
 
 #include "config.h"
 
-#ifdef HAVE_AS_CFI_PSEUDO_OP
+#if defined(HAVE_AS_CFI_PSEUDO_OP) && defined(__GCC_HAVE_DWARF2_CFI_ASM)
 
 #define cfi_startproc			.cfi_startproc
 #define cfi_endproc			.cfi_endproc
@@ -50,4 +50,4 @@
 #define cfi_restore(r)
 #define cfi_undefined(r)
 
-#endif /* HAVE_AS_CFI_PSEUDO_OP */
+#endif /* HAVE_AS_CFI_PSEUDO_OP && __GCC_HAVE_DWARF2_CFI_ASM */