--- mp3gain-1_5_2_r2-src/Makefile	2010-08-04 23:55:39.000000000 +0300
+++ mp3gain-1_5_2_r2-src/Makefile.new	2010-08-07 07:55:41.602736432 +0300
@@ -6,7 +6,7 @@
 
 CC?= gcc
 
-CFLAGS+= -Wall -DHAVE_MEMCPY
+CFLAGS+= $(RPM_OPT_FLAGS) -DHAVE_MEMCPY
 
 # all known MS Windows OS define the ComSpec environment variable
 ifdef ComSpec