mesa: Define C99's __func__ macro on MSVC.

diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
index ded69c3..800eb83 100644 (file)
--- a/src/mesa/main/compiler.h
+++ b/src/mesa/main/compiler.h
@@ -224,6 +224,18 @@ extern "C" {
 #  endif
 # endif
 #endif
+#ifndef __func__
+#  if (__STDC_VERSION__ >= 199901L) || \
+      (defined(__SUNPRO_C) && defined(__C99FEATURES__))
+       /* __func__ is part of C99 */
+#  elif defined(_MSC_VER)
+#    if _MSC_VER >= 1300
+#      define __func__ __FUNCTION__
+#    else
+#      define __func__ "<unknown>"
+#    endif
+#  endif
+#endif
 
 
 /**