Index: kernel/arch/mips32/Makefile.inc
===================================================================
--- kernel/arch/mips32/Makefile.inc	(revision da349da00e6a694ae8529efd7efc34b7534e322f)
+++ kernel/arch/mips32/Makefile.inc	(revision a56f4b291fe3ec936421cc5ce9dceedba5d796a7)
@@ -30,7 +30,11 @@
 #
 
+ifndef CROSS_PREFIX
+	CROSS_PREFIX = /usr/local
+endif
+
 BFD_ARCH = mips
 TARGET = mipsel-linux-gnu
-TOOLCHAIN_DIR = /usr/local/mipsel
+TOOLCHAIN_DIR = $(CROSS_PREFIX)/mipsel
 
 KERNEL_LOAD_ADDRESS = 0x80100000
@@ -66,5 +70,5 @@
 	BFD = ecoff-bigmips
 	TARGET = mips-sgi-irix5
-	TOOLCHAIN_DIR = /usr/local/mips/bin
+	TOOLCHAIN_DIR = $(CROSS_PREFIX)/mips/bin
 	GCC_CFLAGS += -EB -DBIG_ENDIAN -DARCH_HAS_FPU -mips3
 	INIT_ADDRESS = 0x81800000