# Cleanup environment from any variables
unexport BUILD_ARCH BUILD_PLATFORM BUILDTARGET CROSSTARGET TOOLCHAIN TOOLS_DIR
+MAKETUNING = -j $(DEFAULT_PARALLELISM)
+
ifeq "$(BUILD_ARCH)" "aarch64"
IS_64BIT = 1
endif
+ifeq "$(BUILD_ARCH)" "armv7hl"
+ IS_32BIT = 1
+endif
+
+ifeq "$(BUILD_ARCH)" "armv5tel"
+ IS_32BIT = 1
+endif
+
ifeq "$(BUILD_ARCH)" "x86_64"
IS_64BIT = 1
endif
+ifeq "$(BUILD_ARCH)" "i586"
+ IS_32BIT = 1
+endif
+
ifeq "$(TOOLCHAIN)" "1"
PREFIX = $(TOOLS_DIR)
else