hadamard/AltiVec: fix to compiler fix, again by (Romain Dolbeau <dolbeau at irisa dot fr>)

Originally committed as revision 3207 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/ppc/dsputil_altivec.c

@@ -1302,7 +1302,7 @@ POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
 #endif /* ALTIVEC_USE_REFERENCE_C_CODE */
 }
 
-#if (__GNUC__ * 100 + __GNUC_MINOR__ * 10 >= 330)
+#ifdef CONFIG_DARWIN
 int hadamard8_diff8x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h){
 POWERPC_PERF_DECLARE(altivec_hadamard8_diff8x8_num, 1);
   int sum;
@@ -1612,7 +1612,7 @@ POWERPC_PERF_START_COUNT(altivec_hadamard8_diff16_num, 1);
 POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff16_num, 1);
   return score;
 }
-#endif // GCC >= 3.3
+#endif //CONFIG_DARWIN
 
 int has_altivec(void)
 {

libavcodec/ppc/dsputil_ppc.c

@@ -278,7 +278,7 @@ void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
         
 	c->gmc1 = gmc1_altivec;
 
-#if (__GNUC__ * 100 + __GNUC_MINOR__ * 10 >= 330)
+#ifdef CONFIG_DARWIN // ATM gcc-3.3 and gcc-3.4 fail to compile these in linux...
 	c->hadamard8_diff[0] = hadamard8_diff16_altivec;
 	c->hadamard8_diff[1] = hadamard8_diff8x8_altivec;
 #endif