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################################################################################
# Toolchains
################################################################################
TOOLCHAIN_ROOT ?= $(ROOT)/toolchains
AARCH32_PATH ?= $(TOOLCHAIN_ROOT)/aarch32
AARCH32_CROSS_COMPILE ?= $(AARCH32_PATH)/bin/arm-linux-gnueabihf-
AARCH32_GCC_VERSION ?= gcc-linaro-5.3.1-2016.05-x86_64_arm-linux-gnueabihf
SRC_AARCH32_GCC ?= http://releases.linaro.org/components/toolchain/binaries/5.3-2016.05/arm-linux-gnueabihf/${AARCH32_GCC_VERSION}.tar.xz
AARCH64_PATH ?= $(TOOLCHAIN_ROOT)/aarch64
AARCH64_CROSS_COMPILE ?= $(AARCH64_PATH)/bin/aarch64-linux-gnu-
AARCH64_GCC_VERSION ?= gcc-linaro-5.3.1-2016.05-x86_64_aarch64-linux-gnu
SRC_AARCH64_GCC ?= http://releases.linaro.org/components/toolchain/binaries/5.3-2016.05/aarch64-linux-gnu/${AARCH64_GCC_VERSION}.tar.xz
# Due to relocation error on the 96board edk forest, let's keep the old
# toolchain for a while.
LEGACY_AARCH64_PATH ?= $(TOOLCHAIN_ROOT)/aarch64-legacy
LEGACY_AARCH64_CROSS_COMPILE ?= $(LEGACY_AARCH64_PATH)/bin/aarch64-linux-gnu-
LEGACY_AARCH64_GCC_VERSION ?= gcc-linaro-aarch64-linux-gnu-4.9-2014.08_linux
LEGACY_SRC_AARCH64_GCC ?= http://releases.linaro.org/archive/14.08/components/toolchain/binaries/${LEGACY_AARCH64_GCC_VERSION}.tar.xz
# Download toolchain macro for saving some repetition
# $(1) is $AARCH.._PATH : i.e., path to the destination
# $(2) is $SRC_AARCH.._GCC : is the downloaded tar.gz file
# $(3) is $.._GCC_VERSION : the name of the file to download
define dltc
@if [ ! -d "$(1)" ]; then \
mkdir -p $(1); \
echo "Downloading $(3) ..."; \
curl -s -L $(2) -o $(TOOLCHAIN_ROOT)/$(3).tar.xz; \
tar xf $(TOOLCHAIN_ROOT)/$(3).tar.xz -C $(1) --strip-components=1; \
fi
endef
.PHONY: toolchains
toolchains: aarch32 aarch64 aarch64-legacy
$(call dltc,$(AARCH32_PATH),$(SRC_AARCH32_GCC),$(AARCH32_GCC_VERSION))
$(call dltc,$(AARCH64_PATH),$(SRC_AARCH64_GCC),$(AARCH64_GCC_VERSION))
$(call dltc,$(LEGACY_AARCH64_PATH),$(LEGACY_SRC_AARCH64_GCC),$(LEGACY_AARCH64_GCC_VERSION))