Make ffmpeg better support pic - from Diego Pettenò <flameeyes@gentoo.org>

Originally committed as revision 5631 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavutil/common.h

@@ -18,6 +18,10 @@
 #define M_PI    3.14159265358979323846
 #endif
 
+#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC)
+#    define PIC
+#endif
+
 #ifdef HAVE_AV_CONFIG_H
 /* only include the following when compiling package */
 #    include "config.h"

libpostproc/postprocess_internal.h

@@ -58,6 +58,10 @@
 #define TEMP_NOISE_FILTER               0x100000
 #define FORCE_QUANT                     0x200000
 
+#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC)
+#    define PIC
+#endif
+
 //use if u want a faster postprocessing code
 //cant differentiate between chroma & luma filters (both on or both off)
 //obviosly the -pp option at the commandline has no effect except turning the here selected