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https://github.com/zephyrproject-rtos/zephyr
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52c987e941
We need to expose the path to the newlib headers that are part of the
ARM embedded gcc at ${GCCARMEMB_TOOLCHAIN_PATH}/arm-none-eabi/include
otherwise we get build errors like when trying to use newlib:
lib/libc/newlib/libc-hooks.c:17:19: fatal error: errno.h: No such file or directory
Change-Id: Iedce526d23e54e54b9cefdfa6ca176fe12ed8090
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
19 lines
729 B
Makefile
19 lines
729 B
Makefile
ifndef GCCARMEMB_TOOLCHAIN_PATH
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$(error GCCARMEMB_TOOLCHAIN_PATH is not set)
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endif
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CROSS_COMPILE_TARGET_arm = arm-none-eabi
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CROSS_COMPILE_arm=${GCCARMEMB_TOOLCHAIN_PATH}/bin/${CROSS_COMPILE_TARGET_arm}-
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CROSS_COMPILE_arm_version ?= $(shell $(CROSS_COMPILE_arm)gcc -dumpversion)
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CROSS_COMPILE= $(CROSS_COMPILE_$(ARCH))
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CROSS_COMPILE_TARGET = ${CROSS_COMPILE_TARGET_${ARCH}}
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CROSS_COMPILE_version = ${CROSS_COMPILE_${ARCH}_version}
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TOOLCHAIN_LIBS = gcc
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LIB_INCLUDE_DIR += -L ${GCCARMEMB_TOOLCHAIN_PATH}/lib/gcc/${CROSS_COMPILE_TARGET}/${CROSS_COMPILE_version}/${_CROSS_COMPILE_arm_isa}
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TOOLCHAIN_CFLAGS = -I${GCCARMEMB_TOOLCHAIN_PATH}/arm-none-eabi/include
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export CROSS_COMPILE TOOLCHAIN_LIBS TOOLCHAIN_CFLAGS LIB_INCLUDE_DIR
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