From a186c8078813b966f7860e3660045b6e79f890e9 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 13 Apr 2006 01:52:32 +0000
Subject: updated tests for defining __FUNCTION__ (Dan Schikore)

---
 src/mesa/main/glheader.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/mesa/main/glheader.h b/src/mesa/main/glheader.h
index 0ebadaa9fa..e37499e4be 100644
--- a/src/mesa/main/glheader.h
+++ b/src/mesa/main/glheader.h
@@ -247,9 +247,12 @@
  * Don't define it if using a newer Windows compiler.
  */
 #if defined(__VMS)
-#define __FUNCTION__ "VMS$NL:"
-#elif !(defined(__GNUC__) && __GNUC__ >= 2) && !(defined(_MSC_VER) && _MSC_VER >= 1300)
-#define __FUNCTION__ "unknown"
+# define __FUNCTION__ "VMS$NL:"
+#elif __STDC_VERSION__ < 199901L
+# if ((!defined __GNUC__) || (__GNUC__ < 2)) && (!defined __xlC__) && \
+      (!defined(_MSC_VER) || _MSC_VER < 1300)
+#  define __FUNCTION__ "<unknown>"
+# endif
 #endif
 
 
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