--- crypto/ripemd/Makefile
+++ crypto/ripemd/Makefile
@@ -13,7 +13,7 @@
 
 RIP_ASM_OBJ=
 
-CFLAGS= $(INCLUDES) $(CFLAG)
+CFLAGS= $(INCLUDES) $(CFLAG) -O0
 ASFLAGS= $(INCLUDES) $(ASFLAG)
 AFLAGS= $(ASFLAGS)