diff -uprN uClibc/Rules.mak uClibc_fusiv/Rules.mak
--- uClibc/Rules.mak	2005-08-18 04:24:42.000000000 +0530
+++ uClibc_fusiv/Rules.mak	2006-02-13 15:47:10.000000000 +0530
@@ -162,7 +162,7 @@ ifeq ($(strip $(TARGET_ARCH)),arm)
 endif
 
 ifeq ($(strip $(TARGET_ARCH)),mips)
-	CPU_CFLAGS-$(CONFIG_MIPS_ISA_1)+=-mips1
+	CPU_CFLAGS-$(CONFIG_MIPS_ISA_1)+=-march=lx4189
 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_2)+=-mips2 -mtune=mips2
 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_3)+=-mips3 -mtune=mips3
 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_4)+=-mips4 -mtune=mips4
