cmlib/CMLibCommonTargetProperties.cmake

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set(COMMON_CXX_FEATURES cxx_alias_templates cxx_nullptr cxx_override)
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function(common_target_properties Name)
get_target_property(__type ${Name} TYPE)
set(__visibility PUBLIC)
if(__type STREQUAL INTERFACE_LIBRARY)
set(__interface 1)
set(__visibility INTERFACE)
endif()
target_compile_features(${Name} ${__visibility} ${COMMON_CXX_FEATURES})
get_target_property(_targetType ${Name} TYPE)
if(_targetType STREQUAL "EXECUTABLE" AND CMAKE_CXX_COMPILE_OPTIONS_PIE)
target_compile_options(${Name} PUBLIC "${CMAKE_CXX_COMPILE_OPTIONS_PIE}")
endif()
target_include_directories(${Name}
PUBLIC $<INSTALL_INTERFACE:include>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
$<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/include>)
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if(APPLE)
target_compile_definitions(${Name} ${__visibility} Darwin)
endif()
if(NOT __interface)
if(TARGET Qt5::Core)
if(_targetType STREQUAL "EXECUTABLE")
target_compile_options(${Name} PUBLIC "${Qt5Core_EXECUTABLE_COMPILE_FLAGS}")
endif()
set_target_properties(${Name}
PROPERTIES AUTOMOC
TRUE
AUTORCC
TRUE)
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endif()
if(TARGET Qt5::Widgets)
set_target_properties(${Name} PROPERTIES AUTOUIC TRUE)
# if(CMAKE_VERSION VERSION_LESS 3.7.99)
# target_include_directories(
# ${Name}
# PUBLIC
# $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/${Name}_autogen/include>
# )
# endif()
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endif()
if(CMAKE_CXX_COMPILER_IS_GCC AND NOT APPLE)
set_target_properties(${Name} PROPERTIES LINK_FLAGS "-Wl,--no-as-needed")
endif()
endif()
# LTO only for executables (not libraries) in Release build type
get_target_property(target_type ${Name} TYPE)
if(target_type STREQUAL "EXECUTABLE" AND CMAKE_BUILD_TYPE STREQUAL "Release")
check_cxx_compiler_flag(-flto CXX_HAS_LTO_FLAG)
check_cxx_compiler_flag(-fno-fat-lto-objects CXX_HAS_NO_FAT_LTO_FLAG)
if(CMAKE_CXX_COMPILER_IS_GCC AND CXX_HAS_LTO_FLAG)
find_program(CMAKE_GCC_AR
NAMES "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar${_CMAKE_TOOLCHAIN_SUFFIX}"
"${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar"
HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_GCC_NM
NAMES "${_CMAKE_TOOLCHAIN_PREFIX}gcc-nm${_CMAKE_TOOLCHAIN_SUFFIX}"
"${_CMAKE_TOOLCHAIN_PREFIX}gcc-nm"
HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_GCC_RANLIB
NAMES "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib${_CMAKE_TOOLCHAIN_SUFFIX}"
"${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib"
HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
if(CMAKE_GCC_AR AND CMAKE_GCC_NM AND CMAKE_GCC_RANLIB)
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto")
if(CXX_HAS_NO_FAT_LTO_FLAG)
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-fat-lto-objects")
endif()
set(CMAKE_AR "${CMAKE_GCC_AR}")
set(CMAKE_NM "${CMAKE_GCC_NM}")
set(CMAKE_RANLIB "${CMAKE_GCC_RANLIB}")
else()
message(
WARNING
"GCC indicates LTO support, but binutils wrappers could not be found. Disabling LTO.")
endif()
else()
check_enable_compiler_flag(-flto)
check_enable_compiler_flag(-fno-fat-lto-objects)
endif()
endif()
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endfunction()