Mesa (master): p_compiler: add replacement va_copy

[Luca Barbieri]

Module: Mesa
Branch: master
Commit: 9960200d5eef97e38d5565cfc1775e3d8f7800a2
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9960200d5eef97e38d5565cfc1775e3d8f7800a2

Author: Luca Barbieri <luca at luca-barbieri.com>
Date:   Sat Aug 21 00:39:31 2010 +0200

p_compiler: add replacement va_copy

This might technically not always be correct, because va_copy might
be a function, or a system might not have va_copy, and not work with
assignment.

Hopefully this is never the case.
Without configure tests, it doesn't seem possible to do better.

---

 src/gallium/include/pipe/p_compiler.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/src/gallium/include/pipe/p_compiler.h b/src/gallium/include/pipe/p_compiler.h
index 1fa3ec8..0a5be43 100644
--- a/src/gallium/include/pipe/p_compiler.h
+++ b/src/gallium/include/pipe/p_compiler.h
@@ -79,6 +79,14 @@ typedef unsigned char boolean;
 #define FALSE false
 #endif
 
+#ifndef va_copy
+#ifdef __va_copy
+#define va_copy(dest, src) __va_copy((dest), (src))
+#else
+#define va_copy(dest, src) (dest) = (src)
+#endif
+#endif
+
 /* Function inlining */
 #ifndef INLINE
 #  ifdef __cplusplus