BUILD_B43_TOOLS = y
endif
-tools-$(BUILD_TOOLCHAIN) += gmp mpfr mpc libelf
+tools-$(BUILD_TOOLCHAIN) += gmp mpfr mpc libelf expat
tools-y += m4 libtool autoconf automake flex bison pkg-config sed mklibs
tools-y += sstrip make-ext4fs e2fsprogs mtd-utils mkimage
tools-y += firmware-utils patch-image patch quilt yaffs2 flock padjffs2