106 lines
3.7 KiB
CMake
106 lines
3.7 KiB
CMake
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cmake_minimum_required(VERSION 3.3.0)
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include(CMakeParseArguments)
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include(CheckCCompilerFlag)
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include(CheckCXXCompilerFlag)
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function(addprefix var prefix)
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foreach( s ${ARGN} )
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list(APPEND tmp "-I${s}")
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endforeach()
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set(${var} ${tmp} PARENT_SCOPE)
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endfunction()
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# filter out flags that are not appropriate for the compiler being used
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function(target_compile_options_filtered target visibility)
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foreach( flag ${ARGN} )
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if( flag MATCHES "^-D.*" )
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target_compile_options( ${target} ${visibility} ${flag} )
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else()
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check_c_compiler_flag( ${flag} C_COMPILER_SUPPORTS__${flag} )
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if( C_COMPILER_SUPPORTS__${flag} )
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target_compile_options( ${target} ${visibility} $<$<COMPILE_LANGUAGE:C>:${flag}> )
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endif()
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check_cxx_compiler_flag( ${flag} CXX_COMPILER_SUPPORTS__${flag} )
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if( CXX_COMPILER_SUPPORTS__${flag} )
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target_compile_options( ${target} ${visibility} $<$<COMPILE_LANGUAGE:CXX>:${flag}> )
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endif()
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endif()
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endforeach()
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endfunction()
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project(abc)
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if(READLINE_FOUND MATCHES TRUE)
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addprefix(ABC_READLINE_INCLUDES_FLAGS "-I" ${READLINE_INCLUDE})
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string(REPLACE ";" " " ABC_READLINE_INCLUDES_FLAGS "${ABC_READLINE_INCLUDES_FLAGS}")
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list(APPEND ABC_READLINE_FLAGS "ABC_READLINE_INCLUDES=${ABC_READLINE_INCLUDES_FLAGS}")
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string(REPLACE ";" " " ABC_READLINE_LIBRARIES_FLAGS "${READLINE_LIBRARIES}")
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list(APPEND ABC_READLINE_FLAGS "ABC_READLINE_LIBRARIES=${ABC_READLINE_LIBRARIES_FLAGS}")
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elseif(READLINE_FOUND MATCHES FALSE)
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list(APPEND ABC_READLINE_FLAGS "ABC_USE_NO_READLINE=1")
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endif()
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if(ABC_USE_NAMESPACE)
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set(ABC_USE_NAMESPACE_FLAGS "ABC_USE_NAMESPACE=${ABC_USE_NAMESPACE}")
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endif()
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# run make to extract compiler options, linker options and list of source files
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execute_process(
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COMMAND
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make
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${ABC_READLINE_FLAGS}
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${ABC_USE_NAMESPACE_FLAGS}
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ARCHFLAGS_EXE=${CMAKE_CURRENT_BINARY_DIR}/abc_arch_flags_program.exe
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ABC_MAKE_NO_DEPS=1
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CC=${CMAKE_C_COMPILER}
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CXX=${CMAKE_CXX_COMPILER}
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LD=${CMAKE_CXX_COMPILER}
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cmake_info
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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OUTPUT_VARIABLE MAKE_OUTPUT
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)
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# extract options from make output
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function(extract_var SEPARATOR DEST_VARIABLE MAKE_OUTPUT)
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string(REGEX MATCH "${SEPARATOR} .* ${SEPARATOR}" TMP "${MAKE_OUTPUT}")
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string(REGEX REPLACE "${SEPARATOR} (.*) ${SEPARATOR}" "\\1" TMP "${TMP}")
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separate_arguments(TMP)
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set(${DEST_VARIABLE} ${TMP} PARENT_SCOPE)
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endfunction()
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extract_var(SEPARATOR_SRC ABC_SRC ${MAKE_OUTPUT})
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extract_var(SEPARATOR_LIBS ABC_LIBS ${MAKE_OUTPUT})
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extract_var(SEPARATOR_CFLAGS ABC_CFLAGS ${MAKE_OUTPUT})
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extract_var(SEPARATOR_CXXFLAGS ABC_CXXFLAGS ${MAKE_OUTPUT})
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if(ABC_USE_NAMESPACE)
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set_source_files_properties(${ABC_SRC} PROPERTIES LANGUAGE CXX)
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endif()
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function(abc_properties target visibility)
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target_include_directories(${target} ${visibility} ${CMAKE_CURRENT_SOURCE_DIR}/src )
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target_compile_options_filtered(${target} ${visibility} ${ABC_CFLAGS} ${ABC_CXXFLAGS} -Wno-unused-but-set-variable )
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target_link_libraries(${target} ${visibility} ${ABC_LIBS})
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endfunction()
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set(ABC_MAIN_SRC src/base/main/main.c)
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list(REMOVE_ITEM ABC_SRC ${ABC_MAIN_SRC})
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add_library(libabc EXCLUDE_FROM_ALL ${ABC_SRC})
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abc_properties(libabc PUBLIC)
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set_property(TARGET libabc PROPERTY OUTPUT_NAME abc)
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add_executable(abc ${ABC_MAIN_SRC})
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target_link_libraries(abc PRIVATE libabc)
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abc_properties(abc PRIVATE)
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add_library(libabc-pic EXCLUDE_FROM_ALL ${ABC_SRC})
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abc_properties(libabc-pic PUBLIC)
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set_property(TARGET libabc-pic PROPERTY POSITION_INDEPENDENT_CODE ON)
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set_property(TARGET libabc-pic PROPERTY OUTPUT_NAME abc-pic)
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