ab2139a90f
Align 'clang' with gcc by having it also set CMAKE_C_COMPILER in the 'compiler' build script instead of the 'toolchain' build script. Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
37 lines
1.4 KiB
CMake
37 lines
1.4 KiB
CMake
# Configuration for host installed llvm
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#
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set(NOSTDINC "")
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# Note that NOSYSDEF_CFLAG may be an empty string, and
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# set_ifndef() does not work with empty string.
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if(NOT DEFINED NOSYSDEF_CFLAG)
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set(NOSYSDEF_CFLAG -undef)
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endif()
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set(CMAKE_C_COMPILER ${CLANG_ROOT}/bin/clang)
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set(CMAKE_CXX_COMPILER ${CLANG_ROOT}/bin/clang++)
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set(CMAKE_AR ${CLANG_ROOT}/bin/llvm-ar CACHE INTERNAL " " FORCE)
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set(CMAKE_LINKER ${CLANG_ROOT}/bin/llvm-link CACHE INTERNAL " " FORCE)
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set(CMAKE_NM ${CLANG_ROOT}/bin/llvm-nm CACHE INTERNAL " " FORCE)
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set(CMAKE_OBJDUMP ${CLANG_ROOT}/bin/llvm-objdump CACHE INTERNAL " " FORCE)
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set(CMAKE_RANLIB ${CLANG_ROOT}/bin/llvm-ranlib CACHE INTERNAL " " FORCE)
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set(CMAKE_OBJCOPY objcopy CACHE INTERNAL " " FORCE)
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set(CMAKE_READELF readelf CACHE INTERNAL " " FORCE)
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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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