From 67a7e4dbcfdc3903cdb2595394fd6c926a28dee3 Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Fri, 30 Jan 2009 23:50:13 +0000
Subject: [PATCH] Use '#if defined()' for OS-specific preprocessor checks.
 Avoids some warnings about undefined preprocessor directives.

Originally committed as revision 16869 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/ppc/check_altivec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/ppc/check_altivec.c b/libavcodec/ppc/check_altivec.c
index 417c768df4..6e38f9c75d 100644
--- a/libavcodec/ppc/check_altivec.c
+++ b/libavcodec/ppc/check_altivec.c
@@ -25,11 +25,11 @@
 #ifdef __APPLE__
 #undef _POSIX_C_SOURCE
 #include <sys/sysctl.h>
-#elif __OpenBSD__
+#elif defined(__OpenBSD__)
 #include <sys/param.h>
 #include <sys/sysctl.h>
 #include <machine/cpu.h>
-#elif __AMIGAOS4__
+#elif defined(__AMIGAOS4__)
 #include <exec/exec.h>
 #include <interfaces/exec.h>
 #include <proto/exec.h>