+define qstrip
+$(strip $(subst ",,$(1)))
+endef
+#"))
+
+empty:=
+space:= $(empty) $(empty)
+merge=$(subst $(space),,$(1))
+confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
+strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
+
+_SINGLE=export MAKEFLAGS=$(space);
+ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
+BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
+TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
+TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
+BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
+GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
+LIBC:=$(call qstrip,$(CONFIG_LIBC))
+LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
+SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
+
+OPTIMIZE_FOR_CPU=$(shell echo $(ARCH) | sed -e 's/i386/i486/')
+
+ifeq ($(ARCH),powerpc)
+ FPIC:=-fPIC
+else
+ FPIC:=-fpic
+endif