From: Matt Turner <mattst88@gmail.com>
Date: Mon, 9 May 2011 04:17:03 +0000 (-0400)
Subject: p_config.h: Rely on glibc endianness definitions when available
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5e945863caa0df03d803eca0ddc52291b606a60d;p=mesa.git

p_config.h: Rely on glibc endianness definitions when available

Suggested by Julien Cristau.

Signed-off-by: Matt Turner <mattst88@gmail.com>
---

diff --git a/src/gallium/include/pipe/p_config.h b/src/gallium/include/pipe/p_config.h
index 74a1fa29781..d48188e24f3 100644
--- a/src/gallium/include/pipe/p_config.h
+++ b/src/gallium/include/pipe/p_config.h
@@ -111,6 +111,17 @@
  * Endian detection.
  */
 
+#ifdef __GLIBC__
+#include <endian.h>
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# define PIPE_ARCH_LITTLE_ENDIAN
+#elif __BYTE_ORDER == __BIG_ENDIAN
+# define PIPE_ARCH_BIG_ENDIAN
+#endif
+
+#else
+
 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
 #define PIPE_ARCH_LITTLE_ENDIAN
 #elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64)
@@ -119,6 +130,7 @@
 #define PIPE_ARCH_UNKNOWN_ENDIAN
 #endif
 
+#endif
 
 #if !defined(PIPE_OS_EMBEDDED)