mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-09-01 16:23:34 +00:00
72edc4e15f
Add an LLVM backend and a clang toolchain variant to support building with llvm coming with popular Linux distributions. This has been tested with X86 boards: - quark_d2000_crb - quark_se_c1000_devboard/Arduino 101 Use: export ZEPHYR_TOOLCHAIN_VARIANT=clang Signed-off-by: Anas Nashif <anas.nashif@intel.com>
23 lines
638 B
CMake
23 lines
638 B
CMake
# Configuration for host installed llvm
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#
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set(NOSTDINC "")
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foreach(file_name include include-fixed)
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execute_process(
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COMMAND ${CMAKE_C_COMPILER} --print-file-name=${file_name}
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OUTPUT_VARIABLE _OUTPUT
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)
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string(REGEX REPLACE "\n" "" _OUTPUT ${_OUTPUT})
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list(APPEND NOSTDINC ${_OUTPUT})
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endforeach()
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foreach(isystem_include_dir ${NOSTDINC})
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list(APPEND isystem_include_flags -isystem ${isystem_include_dir})
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endforeach()
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set(CMAKE_REQUIRED_FLAGS -nostartfiles -nostdlib ${isystem_include_flags} -Wl,--unresolved-symbols=ignore-in-object-files)
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string(REPLACE ";" " " CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
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