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88 lines
2.6 KiB
CMake
88 lines
2.6 KiB
CMake
function(get_compile_flags _compile_flags)
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# Create template akin to CMAKE_C_COMPILE_OBJECT.
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set(compile_flags "<CMAKE_C_COMPILER> <CFLAGS> <BUILD_TYPE_CFLAGS> <COMPILE_OPTIONS><COMPILE_DEFINITIONS> <INCLUDES>")
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# Get C compiler.
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if(CMAKE_C_COMPILER_ARG1)
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string(REPLACE
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"<CMAKE_C_COMPILER>"
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"<CMAKE_C_COMPILER> ${CMAKE_C_COMPILER_ARG1}"
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compile_flags
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"${compile_flags}")
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endif()
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string(REPLACE
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"<CMAKE_C_COMPILER>"
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"${CMAKE_C_COMPILER}"
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compile_flags
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"${compile_flags}")
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# Get flags set by add_definitions().
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get_property(compile_definitions DIRECTORY PROPERTY COMPILE_DEFINITIONS)
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get_target_property(compile_definitions_target nvim COMPILE_DEFINITIONS)
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if(compile_definitions_target)
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list(APPEND compile_definitions ${compile_definitions_target})
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list(REMOVE_DUPLICATES compile_definitions)
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endif()
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# NOTE: list(JOIN) requires CMake 3.12, string(CONCAT) requires CMake 3.
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string(REPLACE ";" " -D" compile_definitions "${compile_definitions}")
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if(compile_definitions)
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set(compile_definitions " -D${compile_definitions}")
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endif()
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string(REPLACE
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"<COMPILE_DEFINITIONS>"
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"${compile_definitions}"
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compile_flags
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"${compile_flags}")
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# Get flags set by add_compile_options().
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get_property(compile_options DIRECTORY PROPERTY COMPILE_OPTIONS)
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get_target_property(compile_options_target nvim COMPILE_OPTIONS)
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if(compile_options_target)
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list(APPEND compile_options ${compile_options_target})
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list(REMOVE_DUPLICATES compile_options)
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endif()
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# NOTE: list(JOIN) requires CMake 3.12.
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string(REPLACE ";" " " compile_options "${compile_options}")
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string(REPLACE
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"<COMPILE_OPTIONS>"
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"${compile_options}"
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compile_flags
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"${compile_flags}")
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# Get general C flags.
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string(REPLACE
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"<CFLAGS>"
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"${CMAKE_C_FLAGS}"
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compile_flags
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"${compile_flags}")
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# Get C flags specific to build type.
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string(TOUPPER "${CMAKE_BUILD_TYPE}" build_type)
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string(REPLACE
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"<BUILD_TYPE_CFLAGS>"
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"${CMAKE_C_FLAGS_${build_type}}"
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compile_flags
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"${compile_flags}")
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# Get include directories.
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get_property(include_directories_list DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
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list(REMOVE_DUPLICATES include_directories_list)
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foreach(include_directory ${include_directories_list})
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set(include_directories "${include_directories} -I${include_directory}")
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endforeach()
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string(REPLACE
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"<INCLUDES>"
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"${include_directories}"
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compile_flags
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"${compile_flags}")
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# Clean duplicate whitespace.
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string(REPLACE
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" "
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" "
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compile_flags
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"${compile_flags}")
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set(${_compile_flags} "${compile_flags}" PARENT_SCOPE)
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endfunction()
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