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|
cmake_minimum_required(VERSION 3.17.0 FATAL_ERROR)
if (NOT BASIC_PROJECT_CONFIG_DONE)
message(FATAL_ERROR "Before including the LibraryTarget module, the BasicConfig module must be included.")
endif ()
if (TARGET_CONFIG_DONE)
message(FATAL_ERROR "Can not include LibraryTarget module when targets are already configured.")
endif ()
# check whether project type is set correctly
if (("${META_PROJECT_TYPE}" STREQUAL "plugin") OR ("${META_PROJECT_TYPE}" STREQUAL "qtplugin"))
set(META_IS_PLUGIN YES)
endif ()
if ((NOT "${META_PROJECT_TYPE}" STREQUAL "library")
AND (NOT "${META_PROJECT_TYPE}" STREQUAL "")
AND NOT META_IS_PLUGIN)
message(
FATAL_ERROR
"The LibraryTarget CMake module is intended to be used for building library projects only (and not for applications)."
)
endif ()
# add option for enabling versioned mingw-w64 libraries (disabled by default to preserve compatibility, will be the only
# naming scheme in v6)
option(VERSIONED_MINGW_LIBRARIES
"enables versioned libraries like 'libc++utilities-5.dll' instead of 'c++utilities.dll' for mingw-w64 targets" OFF)
# include packages for configure_package_config_file, write_basic_package_version_file and find_template_file
include(CMakePackageConfigHelpers)
include(TemplateFinder)
# set install destination for the CMake modules, config files and header files
set(INCLUDE_SUBDIR "${CMAKE_INSTALL_INCLUDEDIR}")
set(HEADER_INSTALL_DESTINATION "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
if (NAMESPACE_PREFIX OR META_CONFIG_SUFFIX)
set(INCLUDE_SUBDIR "${INCLUDE_SUBDIR}/${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}")
set(HEADER_INSTALL_DESTINATION
"${HEADER_INSTALL_DESTINATION}/${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}")
endif ()
set(CMAKE_MODULE_INSTALL_DESTINATION "${META_DATA_DIR_ABSOLUTE}/cmake/modules")
set(CMAKE_CONFIG_INSTALL_DESTINATION "${META_DATA_DIR_ABSOLUTE}/cmake")
# remove library prefix when building with mingw-w64 (just for consistency with qmake)
if (MINGW AND NOT VERSIONED_MINGW_LIBRARIES)
set(CMAKE_SHARED_LIBRARY_PREFIX "")
endif ()
# set compile definitions for static build
if (NOT BUILD_SHARED_LIBS)
list(APPEND META_PUBLIC_COMPILE_DEFINITIONS ${META_PROJECT_VARNAME_UPPER}_STATIC)
endif ()
# add global library-specific header
find_template_file("global.h" CPP_UTILITIES GLOBAL_H_TEMPLATE_FILE)
if ("${META_PROJECT_NAME}" STREQUAL "c++utilities")
set(GENERAL_GLOBAL_H_INCLUDE_PATH "\"application/global.h\"")
else ()
set(GENERAL_GLOBAL_H_INCLUDE_PATH "<c++utilities/application/global.h>")
endif ()
configure_file(
"${GLOBAL_H_TEMPLATE_FILE}" "${CMAKE_CURRENT_SOURCE_DIR}/global.h" # simply add this to source to ease inclusion
NEWLINE_STYLE UNIX # since this goes to sources ensure consistency
)
list(APPEND HEADER_FILES global.h)
# add header to check library version
set(VERSION_HEADER_FILE "${CMAKE_CURRENT_BINARY_DIR}/resources/version.h")
find_template_file("version.h" CPP_UTILITIES VERSION_H_TEMPLATE_FILE)
configure_file("${VERSION_H_TEMPLATE_FILE}" "${VERSION_HEADER_FILE}" NEWLINE_STYLE UNIX)
list(APPEND SOURCE_FILES "${VERSION_HEADER_FILE}")
# determine SOVERSION
if (NOT META_SOVERSION AND NOT META_IS_PLUGIN)
if (META_VERSION_EXACT_SONAME)
set(META_SOVERSION "${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH}")
else ()
set(META_SOVERSION "${META_VERSION_MAJOR}")
endif ()
endif ()
# define relevant files
set(ALL_FILES
${HEADER_FILES}
${SRC_FILES}
${GENERATED_DBUS_FILES}
${WIDGETS_FILES}
${QML_FILES}
${RES_FILES}
${WINDOWS_ICON_PATH})
if (NOT BUILTIN_TRANSLATIONS)
list(APPEND ALL_FILES ${QM_FILES})
endif ()
# determine include path used when building the project itself
if (TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE)
# use existing TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE if already defined
elseif (IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include")
# use special include directory if available
set(TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/include")
else ()
# use the project folder itself
set(TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/..")
endif ()
# configure target type for building the library
if (BUILD_SHARED_LIBS)
if (META_IS_PLUGIN)
set(META_LIBRARY_TYPE MODULE)
else ()
set(META_LIBRARY_TYPE SHARED)
endif ()
else ()
set(META_LIBRARY_TYPE STATIC)
# define QT_STATICPLUGIN when building static Qt plugins
if ("${META_PROJECT_TYPE}" STREQUAL "qtplugin")
list(APPEND META_PRIVATE_COMPILE_DEFINITIONS QT_STATICPLUGIN)
endif ()
endif ()
# add custom libraries
append_user_defined_additional_libraries()
# allow writing public compile definitions to a header file instead of just relying on CMake/pkg-config
option(USE_HEADER_FOR_PUBLIC_COMPILE_DEFINITIONS "writes public compile definitions to a header file" ON)
set(TARGET_GENERATED_INCLUDE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/include")
set(TARGET_DEFINITIONS_HEADER "${TARGET_GENERATED_INCLUDE_DIRECTORY}/${META_PROJECT_NAME}-definitions.h")
if (USE_HEADER_FOR_PUBLIC_COMPILE_DEFINITIONS)
set(EXISTING_DEFS_FOR_HEADER "none")
if (EXISTS "${TARGET_DEFINITIONS_HEADER}")
file(READ "${TARGET_DEFINITIONS_HEADER}" EXISTING_DEFS_FOR_HEADER)
endif ()
set(DEFS_FOR_HEADER "")
foreach (DEF ${META_PUBLIC_COMPILE_DEFINITIONS})
if (DEF MATCHES "([A-Za-z0-9_]+)=([A-Za-z0-9_ ]+)")
set(DEF_NAME "${CMAKE_MATCH_1}")
set(DEF_VALUE " ${CMAKE_MATCH_2}")
elseif (DEF MATCHES "([A-Za-z0-9_]+)")
set(DEF_NAME "${CMAKE_MATCH_1}")
set(DEF_VALUE "")
endif ()
if (DEF_NAME)
set(DEFS_FOR_HEADER "${DEFS_FOR_HEADER}#ifndef ${DEF_NAME}\n#define ${DEF_NAME}${DEF_VALUE}\n#endif\n")
endif ()
endforeach ()
if (NOT "${DEFS_FOR_HEADER}" STREQUAL "${EXISTING_DEFS_FOR_HEADER}")
file(WRITE "${TARGET_DEFINITIONS_HEADER}" "${DEFS_FOR_HEADER}")
else ()
message(STATUS "Header \"${TARGET_DEFINITIONS_HEADER}\" for ${META_PROJECT_NAME} did not change.")
endif ()
endif ()
# add library to be created, set libs to link against, set version and C++ standard
if (META_HEADER_ONLY_LIB)
add_library(${META_TARGET_NAME} INTERFACE)
target_link_libraries(${META_TARGET_NAME} INTERFACE ${META_ADDITIONAL_LINK_FLAGS} "${PUBLIC_LIBRARIES}"
"${PRIVATE_LIBRARIES}")
target_include_directories(
${META_TARGET_NAME}
INTERFACE $<BUILD_INTERFACE:${TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE}>
$<BUILD_INTERFACE:${TARGET_GENERATED_INCLUDE_DIRECTORY}>
$<INSTALL_INTERFACE:${HEADER_INSTALL_DESTINATION}> ${PUBLIC_INCLUDE_DIRS})
target_compile_definitions(${META_TARGET_NAME} INTERFACE "${META_PUBLIC_COMPILE_DEFINITIONS}")
target_compile_options(${META_TARGET_NAME} INTERFACE "${META_PUBLIC_COMPILE_OPTIONS}" "${META_PRIVATE_COMPILE_OPTIONS}")
set_target_properties(${META_TARGET_NAME} PROPERTIES EXPORT_COMPILE_COMMANDS "${ENABLE_EXPORT_COMPILE_COMMANDS}")
else ()
add_library(${META_TARGET_NAME} ${META_LIBRARY_TYPE} ${ALL_FILES})
target_link_libraries(
${META_TARGET_NAME}
PUBLIC ${META_ADDITIONAL_LINK_FLAGS} "${PUBLIC_LIBRARIES}"
PRIVATE "${PRIVATE_LIBRARIES}")
if (META_IS_PLUGIN)
target_include_directories(
${META_TARGET_NAME} PRIVATE $<BUILD_INTERFACE:${TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE}>
$<BUILD_INTERFACE:${TARGET_GENERATED_INCLUDE_DIRECTORY}> "${PRIVATE_INCLUDE_DIRS}")
else ()
target_include_directories(
${META_TARGET_NAME}
PUBLIC $<BUILD_INTERFACE:${TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE}>
$<BUILD_INTERFACE:${TARGET_GENERATED_INCLUDE_DIRECTORY}>
$<INSTALL_INTERFACE:${HEADER_INSTALL_DESTINATION}> ${PUBLIC_INCLUDE_DIRS}
PRIVATE "${PRIVATE_INCLUDE_DIRS}")
endif ()
target_compile_definitions(
${META_TARGET_NAME}
PUBLIC "${META_PUBLIC_COMPILE_DEFINITIONS}"
PRIVATE "${META_PRIVATE_COMPILE_DEFINITIONS}")
target_compile_options(
${META_TARGET_NAME}
PUBLIC "${META_PUBLIC_COMPILE_OPTIONS}"
PRIVATE "${META_PRIVATE_COMPILE_OPTIONS}")
set_target_properties(
${META_TARGET_NAME}
PROPERTIES VERSION "${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH}"
SOVERSION "${META_SOVERSION}"
C_VISIBILITY_PRESET hidden
CXX_VISIBILITY_PRESET hidden
LINK_SEARCH_START_STATIC ${STATIC_LINKAGE}
LINK_SEARCH_END_STATIC ${STATIC_LINKAGE}
AUTOGEN_TARGET_DEPENDS "${AUTOGEN_DEPS}"
QT_DEFAULT_PLUGINS "${META_QT_DEFAULT_PLUGINS}"
EXPORT_COMPILE_COMMANDS "${ENABLE_EXPORT_COMPILE_COMMANDS}")
if (NOT META_CXX_STANDARD STREQUAL "any")
set_target_properties(${META_TARGET_NAME} PROPERTIES CXX_STANDARD "${META_CXX_STANDARD}")
endif ()
if (META_PLUGIN_CATEGORY)
set_target_properties(${META_TARGET_NAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${META_PLUGIN_CATEGORY}")
endif ()
# incorporate the SOVERSION into the library name for mingw-w64 targets
set(TARGET_SUFFIX_FOR_PC "")
if (BUILD_SHARED_LIBS
AND NOT META_IS_PLUGIN
AND MINGW
AND VERSIONED_MINGW_LIBRARIES)
if (NOT META_DLLVERSION)
string(REPLACE "." "-" META_DLLVERSION "${META_SOVERSION}")
endif ()
set_target_properties(${META_TARGET_NAME} PROPERTIES SUFFIX "-${META_DLLVERSION}.dll")
set(TARGET_SUFFIX_FOR_PC "-${META_DLLVERSION}")
endif ()
# avoid duplicating the "lib" prefix if the target name already starts with "lib"
if (META_TARGET_NAME MATCHES "lib.*")
set_target_properties(${META_TARGET_NAME} PROPERTIES PREFIX "")
endif ()
# add target for pulling only headers because some libraries contain header-only parts which are useful on their own
if (NOT META_PLUGIN_CATEGORY)
add_library(${META_TARGET_NAME}-headers INTERFACE)
target_include_directories(
${META_TARGET_NAME}-headers
INTERFACE $<BUILD_INTERFACE:${TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE}>
$<BUILD_INTERFACE:${TARGET_GENERATED_INCLUDE_DIRECTORY}>
$<INSTALL_INTERFACE:${HEADER_INSTALL_DESTINATION}> ${PUBLIC_INCLUDE_DIRS})
target_compile_definitions(${META_TARGET_NAME}-headers INTERFACE "${META_PUBLIC_COMPILE_DEFINITIONS}")
target_compile_options(${META_TARGET_NAME}-headers INTERFACE "${META_PUBLIC_COMPILE_OPTIONS}")
endif ()
endif ()
# populate META_PUBLIC_LIB_DEPENDS
foreach (DEPENDENCY ${PUBLIC_LIBRARIES})
if (NOT "${DEPENDENCY}" IN_LIST META_PUBLIC_LIB_DEPENDS)
list(APPEND META_PUBLIC_LIB_DEPENDS ${DEPENDENCY})
endif ()
endforeach ()
# populate META_PRIVATE_LIB_DEPENDS (only required when building static libraries)
if (NOT BUILD_SHARED_LIBS)
foreach (DEPENDENCY ${PRIVATE_LIBRARIES})
if (NOT "${DEPENDENCY}" IN_LIST META_PUBLIC_LIB_DEPENDS AND NOT "${DEPENDENCY}" IN_LIST META_PRIVATE_LIB_DEPENDS)
list(APPEND META_PRIVATE_LIB_DEPENDS ${DEPENDENCY})
endif ()
endforeach ()
endif ()
# Qt Creator does not show INTERFACE_SOURCES in project tree, so create a custom target as workaround
if (META_HEADER_ONLY_LIB)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/headeronly.cpp"
"// not belonging to a real target, only for header-only lib files showing up in Qt Creator")
add_library(${META_TARGET_NAME}_interface_sources_for_qtcreator EXCLUDE_FROM_ALL
"${CMAKE_CURRENT_BINARY_DIR}/headeronly.cpp" ${HEADER_FILES})
target_include_directories(
${META_TARGET_NAME}_interface_sources_for_qtcreator
INTERFACE $<BUILD_INTERFACE:${TARGET_INCLUDE_DIRECTORY_BUILD_INTERFACE}>
$<INSTALL_INTERFACE:${HEADER_INSTALL_DESTINATION}> ${PUBLIC_INCLUDE_DIRS})
target_compile_definitions(${META_TARGET_NAME}_interface_sources_for_qtcreator
INTERFACE "${META_PUBLIC_COMPILE_DEFINITIONS}")
target_compile_options(${META_TARGET_NAME}_interface_sources_for_qtcreator INTERFACE "${META_PUBLIC_COMPILE_OPTIONS}")
set_target_properties(
${META_TARGET_NAME}_interface_sources_for_qtcreator
PROPERTIES VERSION "${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH}"
SOVERSION "${META_SOVERSION}"
AUTOGEN_TARGET_DEPENDS "${AUTOGEN_DEPS}")
if (NOT META_CXX_STANDARD STREQUAL "any")
set_target_properties(${META_TARGET_NAME}_interface_sources_for_qtcreator PROPERTIES CXX_STANDARD
"${META_CXX_STANDARD}")
endif ()
endif ()
# generate CMake code to configure additional arguments for required CMake-packages
set(ADDITIONAL_ARGUMENTS_FOR_REQUIRED_CMAKE_PACKAGES)
foreach (INTERFACE_REQUIRED_PACKAGE ${INTERFACE_REQUIRED_PACKAGES})
if (PACKAGE_ARGS_${INTERFACE_REQUIRED_PACKAGE})
set(ADDITIONAL_ARGUMENTS_FOR_REQUIRED_CMAKE_PACKAGES
"${ADDITIONAL_ARGUMENTS_FOR_REQUIRED_CMAKE_PACKAGES}set(${META_PROJECT_VARNAME_UPPER}_FIND_PACKAGE_ARGS_${INTERFACE_REQUIRED_PACKAGE} \"${PACKAGE_ARGS_${INTERFACE_REQUIRED_PACKAGE}}\")\n"
)
endif ()
endforeach ()
# generate CMake code to configure CMake-target to pkg-config module mapping
set(TARGET_TO_PKG_CONFIG_MODULE_NAME_MAPPING
"set(PKG_CONFIG_${META_TARGET_NAME} \"${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}\")")
foreach (INTERFACE_REQUIRED_PKG_CONFIG_MODULE ${INTERFACE_REQUIRED_PKG_CONFIG_MODULES})
string(REPLACE "::" "_" INTERFACE_REQUIRED_PKG_CONFIG_MODULE_VARNAME "${INTERFACE_REQUIRED_PKG_CONFIG_MODULE}")
set(TARGET_TO_PKG_CONFIG_MODULE_NAME_MAPPING
"${TARGET_TO_PKG_CONFIG_MODULE_NAME_MAPPING}\nset(PKG_CONFIG_${INTERFACE_REQUIRED_PKG_CONFIG_MODULE_VARNAME} \"${PKG_CONFIG_${INTERFACE_REQUIRED_PKG_CONFIG_MODULE_VARNAME}}\")"
)
endforeach ()
# add all REQUIRED_PACKAGES that are exported by the current build to INTERFACE_REQUIRED_PACKAGES
foreach (REQUIRED_PACKAGE ${REQUIRED_PACKAGES})
# note: Looks like CMake (as of version 3.24.0) adds a check for targets that are exported as part of the current build
# in "*Targets.cmake" export files as those targets are also added as "IMPORTED_LINK_DEPENDENT_LIBRARIES". For instance,
# qtforkawesome and qtquickforkawesome are built within the same project and qtforkawesome ends up as
# IMPORTED_LINK_DEPENDENT_LIBRARIES on qtquickforkawesome's export and is checked to exist.
if ("${EXPORT_${REQUIRED_PACKAGE}}")
list(APPEND INTERFACE_REQUIRED_PACKAGES "${REQUIRED_PACKAGE}")
endif ()
endforeach ()
# create the CMake package config file from template
if (INTERFACE_REQUIRED_PACKAGES)
list(REMOVE_ITEM INTERFACE_REQUIRED_PACKAGES "")
list(REMOVE_DUPLICATES INTERFACE_REQUIRED_PACKAGES)
endif ()
if (INTERFACE_REQUIRED_PKG_CONFIG_MODULES)
list(REMOVE_ITEM INTERFACE_REQUIRED_PKG_CONFIG_MODULES "")
list(REMOVE_DUPLICATES INTERFACE_REQUIRED_PKG_CONFIG_MODULES)
endif ()
set(CONFIG_TARGETS "${CMAKE_CURRENT_BINARY_DIR}/${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}Config.cmake")
if (NAMESPACE_PREFIX OR META_CONFIG_SUFFIX)
list(APPEND CONFIG_TARGETS "${CMAKE_CURRENT_BINARY_DIR}/${META_PROJECT_NAME}Config.cmake")
endif ()
find_template_file("Config.cmake" CPP_UTILITIES CONFIG_TEMPLATE_FILE)
foreach (CONFIG_TARGET ${CONFIG_TARGETS})
configure_package_config_file(
"${CONFIG_TEMPLATE_FILE}" "${CONFIG_TARGET}"
INSTALL_DESTINATION "${CMAKE_CONFIG_INSTALL_DESTINATION}"
PATH_VARS CMAKE_MODULE_INSTALL_DESTINATION CMAKE_CONFIG_INSTALL_DESTINATION HEADER_INSTALL_DESTINATION
BIN_INSTALL_DESTINATION LIB_INSTALL_DESTINATION META_DATA_DIR)
endforeach ()
list(APPEND CMAKE_CONFIG_FILES
"${CMAKE_CURRENT_BINARY_DIR}/${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}Config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}ConfigVersion.cmake")
# write the CMake version config file
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}ConfigVersion.cmake
VERSION "${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH}"
COMPATIBILITY SameMajorVersion)
# compute dependencies for pkg-config file
macro (compute_dependencies_for_package_config DEPENDS OUTPUT_VAR_PKGS OUTPUT_VAR_LIBS UNSET)
if (UNSET)
unset(${OUTPUT_VAR_PKGS})
unset(${OUTPUT_VAR_LIBS})
endif ()
foreach (DEPENDENCY ${${DEPENDS}})
if ("${DEPENDENCY}" STREQUAL "general")
continue()
endif ()
# handle use of generator expressions (use BUILD_INTERFACE; ignore INSTALL_INTERFACE)
if ("${DEPENDENCY}" MATCHES "\\\$\\<BUILD_INTERFACE:(.*)\\>")
set(DEPENDENCY "${CMAKE_MATCH_1}")
elseif ("${DEPENDENCY}" MATCHES "\\\$\\<INSTALL_INTERFACE:(.*)\\>")
continue()
endif ()
# find the name of the pkg-config package for the dependency
string(REPLACE "::" "_" DEPENDENCY_VARNAME "${DEPENDENCY}")
if (PKG_CONFIG_${DEPENDENCY_VARNAME})
# add pkg-config modules for the dependency
foreach (PKG_CONFIG_MODULE ${PKG_CONFIG_${DEPENDENCY_VARNAME}})
set(${OUTPUT_VAR_PKGS} "${${OUTPUT_VAR_PKGS}} ${PKG_CONFIG_MODULE}")
endforeach ()
elseif (TARGET "${DEPENDENCY}")
# find the raw-library flags for the dependency add interface link libraries of the target
get_target_property("${DEPENDENCY_VARNAME}_TARGET_TYPE" "${DEPENDENCY}" TYPE)
get_target_property("${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES" "${DEPENDENCY}" "INTERFACE_LINK_LIBRARIES")
set(${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES_EXISTING FALSE)
set(${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES_TARGETS)
foreach (LIBRARY ${${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES})
if (TARGET ${LIBRARY})
list(APPEND ${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES_TARGETS ${LIBRARY})
set(${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES_EXISTING TRUE)
elseif (EXISTS ${LIBRARY})
set(${OUTPUT_VAR_LIBS} "${${OUTPUT_VAR_LIBS}} ${LIBRARY}")
set(${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES_EXISTING TRUE)
endif ()
endforeach ()
compute_dependencies_for_package_config("${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES_TARGETS"
"${OUTPUT_VAR_PKGS}" "${OUTPUT_VAR_LIBS}" NO)
# skip further processing if it is an interface library target
if (${DEPENDENCY_VARNAME}_INTERFACE_LINK_LIBRARIES_EXISTING OR "${${DEPENDENCY_VARNAME}_TARGET_TYPE}" STREQUAL
"INTERFACE_LIBRARY")
continue()
endif ()
# add library location of the target
set(HAS_LIBRARY_LOCATION NO)
if (DEPENDENCY IN_LIST BUNDLED_TARGETS)
# bundled targets are installed at the same location and using the same flags as the actual library so adding
# the library name itself is sufficient
set(${OUTPUT_VAR_LIBS} "${${OUTPUT_VAR_LIBS}} -l${DEPENDENCY}")
set(HAS_LIBRARY_LOCATION YES)
endif ()
if (NOT HAS_LIBRARY_LOCATION AND META_CURRENT_CONFIGURATION)
get_target_property("${DEPENDENCY_VARNAME}_IMPORTED_LOCATION_${META_CURRENT_CONFIGURATION}" "${DEPENDENCY}"
"IMPORTED_LOCATION_${META_CURRENT_CONFIGURATION}")
# check whether path points to the build directory; libraries must not be referenced using their build
# location
string(FIND "${${DEPENDENCY_VARNAME}_IMPORTED_LOCATION_${META_CURRENT_CONFIGURATION}}"
"${CMAKE_CURRENT_BINARY_DIR}" BINARY_DIR_INDEX)
if (NOT BINARY_DIR_INDEX EQUAL 0
AND EXISTS "${${DEPENDENCY_VARNAME}_IMPORTED_LOCATION_${META_CURRENT_CONFIGURATION}}")
set(${OUTPUT_VAR_LIBS}
"${${OUTPUT_VAR_LIBS}} ${${DEPENDENCY_VARNAME}_IMPORTED_LOCATION_${META_CURRENT_CONFIGURATION}}")
set(HAS_LIBRARY_LOCATION YES)
endif ()
endif ()
if (NOT HAS_LIBRARY_LOCATION)
get_target_property("${DEPENDENCY_VARNAME}_IMPORTED_LOCATION" "${DEPENDENCY}" IMPORTED_LOCATION)
# check whether path points to the build directory; libraries must not be referenced using their build
# location
string(FIND "${${DEPENDENCY_VARNAME}_IMPORTED_LOCATION}" "${CMAKE_CURRENT_BINARY_DIR}" BINARY_DIR_INDEX)
if (NOT BINARY_DIR_INDEX EQUAL 0 AND EXISTS "${${DEPENDENCY_VARNAME}_IMPORTED_LOCATION}")
set(${OUTPUT_VAR_LIBS} "${${OUTPUT_VAR_LIBS}} ${${DEPENDENCY_VARNAME}_IMPORTED_LOCATION}")
set(HAS_LIBRARY_LOCATION YES)
endif ()
endif ()
# assume the target is a 3rd party library built within the current project as a bundled dependency -> the target
# is supposed to be installed in either a standard search directory or the same directory as this library so a
# simple -l flag should be sufficient
if (NOT HAS_LIBRARY_LOCATION)
set(${OUTPUT_VAR_LIBS} "${${OUTPUT_VAR_LIBS}} -l${DEPENDENCY}")
endif ()
# add libraries required by the imported target
get_target_property("${DEPENDENCY_VARNAME}_IMPORTED_LINK_INTERFACE_LIBRARIES" "${DEPENDENCY}"
"IMPORTED_LINK_INTERFACE_LIBRARIES")
compute_dependencies_for_package_config("${DEPENDENCY_VARNAME}_IMPORTED_LINK_INTERFACE_LIBRARIES"
"${OUTPUT_VAR_PKGS}" "${OUTPUT_VAR_LIBS}" NO)
else ()
# add raw dependency
if (DEPENDENCY MATCHES ".*/.*")
set(${OUTPUT_VAR_LIBS} "${${OUTPUT_VAR_LIBS}} ${DEPENDENCY}")
else ()
set(${OUTPUT_VAR_LIBS} "${${OUTPUT_VAR_LIBS}} -l${DEPENDENCY}")
endif ()
endif ()
endforeach ()
endmacro ()
compute_dependencies_for_package_config(META_PUBLIC_LIB_DEPENDS META_PUBLIC_PC_PKGS META_PUBLIC_LIB_DEPENDS_FOR_PC YES)
compute_dependencies_for_package_config(META_PRIVATE_LIB_DEPENDS META_PRIVATE_PC_PKGS META_PRIVATE_LIB_DEPENDS_FOR_PC YES)
if (NOT META_HEADER_ONLY_LIB)
string(REGEX REPLACE "^lib" "" META_TARGET_NAME_FOR_PC "${META_TARGET_NAME}")
set(META_PUBLIC_LIB_DEPENDS_FOR_PC
" -l${META_TARGET_NAME_FOR_PC}${TARGET_SUFFIX_FOR_PC}${META_PUBLIC_LIB_DEPENDS_FOR_PC}")
endif ()
if (META_PUBLIC_LIB_DEPENDS_FOR_PC)
set(META_PUBLIC_LIB_DEPENDS_FOR_PC " -L\${libdir}${META_PUBLIC_LIB_DEPENDS_FOR_PC}")
endif ()
# compute other values for pkg-config
set(META_PROJECT_NAME_FOR_PC "${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}")
foreach (COMPILE_DEFINITION ${META_PUBLIC_COMPILE_DEFINITIONS})
set(META_COMPILE_DEFINITIONS_FOR_PC "${META_COMPILE_DEFINITIONS_FOR_PC} -D${COMPILE_DEFINITION}")
endforeach ()
# create pkg-config file from template using previously computed values
find_template_file("template.pc" CPP_UTILITIES PKGCONFIG_TEMPLATE_FILE)
configure_file("${PKGCONFIG_TEMPLATE_FILE}" "${CMAKE_CURRENT_BINARY_DIR}/${META_PROJECT_NAME_FOR_PC}.pc" @ONLY)
set(PC_FILES "${CMAKE_CURRENT_BINARY_DIR}/${META_PROJECT_NAME_FOR_PC}.pc")
# add install targets
if (NOT META_NO_INSTALL_TARGETS AND ENABLE_INSTALL_TARGETS)
# add install target for the CMake config files
install(
FILES ${CMAKE_CONFIG_FILES}
DESTINATION "${META_DATA_DIR}/cmake"
COMPONENT cmake-config)
if (NOT TARGET install-cmake-config)
add_custom_target(install-cmake-config COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=cmake-config -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
# add install target for pkg-config file
if (PC_FILES)
install(
FILES ${PC_FILES}
DESTINATION "${CMAKE_INSTALL_LIBDIR}${SELECTED_LIB_SUFFIX}/pkgconfig"
COMPONENT pkg-config)
endif ()
if (NOT TARGET install-pkg-config)
add_custom_target(install-pkg-config COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=pkg-config -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
# add install target for libs
if (NOT TARGET install-binary)
add_custom_target(install-binary COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=binary -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
# add install target for stripped libs
if (NOT TARGET install-binary-strip)
add_custom_target(
install-binary-strip COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_DO_STRIP=1 -DCMAKE_INSTALL_COMPONENT=binary -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
# determine install dir for Qt plugins
if ("${META_PROJECT_TYPE}" STREQUAL "qtplugin")
if (QT_PLUGIN_DIR)
set(LIBRARY_DESTINATION "${QT_PLUGIN_DIR}")
else ()
if (COMMAND query_qmake_variable_path)
query_qmake_variable_path(QT_INSTALL_PLUGINS)
elseif (COMMAND query_qmake_variable)
query_qmake_variable(QT_INSTALL_PLUGINS)
endif ()
if (QT_INSTALL_PLUGINS)
string(FIND "${QT_INSTALL_PLUGINS}" "${CMAKE_INSTALL_PREFIX}"
CMAKE_INSTALL_PREFIX_INDEX_IN_QT_INSTALL_PLUGINS)
if ("${CMAKE_INSTALL_PREFIX_INDEX_IN_QT_INSTALL_PLUGINS}" EQUAL 0)
set(LIBRARY_DESTINATION ${QT_INSTALL_PLUGINS})
else ()
message(
WARNING
"According to qmake the Qt plugin directory is \"${QT_INSTALL_PLUGINS}\". However, that path is not within the install prefix \"${CMAKE_INSTALL_PREFIX}\" and therefore ignored."
)
endif ()
endif ()
if (NOT LIBRARY_DESTINATION)
set(LIBRARY_DESTINATION ${CMAKE_INSTALL_LIBDIR}${SELECTED_LIB_SUFFIX}/qt/plugins)
message(
WARNING
"Unable to detect appropriate install directory for Qt plugins (assuming \"${LIBRARY_DESTINATION}\"). Set QT_PLUGIN_DIR to specify the directory to install Qt plugins to manually."
)
endif ()
endif ()
if (META_PLUGIN_CATEGORY)
set(LIBRARY_DESTINATION ${LIBRARY_DESTINATION}/${META_PLUGIN_CATEGORY})
endif ()
else ()
set(LIBRARY_DESTINATION ${CMAKE_INSTALL_LIBDIR}${SELECTED_LIB_SUFFIX})
endif ()
# add install targets and export targets
set(TARGETS_TO_EXPORT "${META_TARGET_NAME}")
foreach (BUNDLED_TARGET ${BUNDLED_TARGETS})
if (NOT ${BUNDLED_TARGET} IN_LIST LIBRARIES OR (NOT BUILD_SHARED_LIBS AND ${BUNDLED_TARGET} IN_LIST PRIVATE_LIBRARIES
))
list(APPEND TARGETS_TO_EXPORT ${BUNDLED_TARGET})
endif ()
endforeach ()
if (NOT META_HEADER_ONLY_LIB AND NOT META_PLUGIN_CATEGORY)
list(APPEND TARGETS_TO_EXPORT "${META_TARGET_NAME}-headers")
endif ()
install(
TARGETS ${TARGETS_TO_EXPORT}
EXPORT "${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}Targets"
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT binary
LIBRARY DESTINATION ${LIBRARY_DESTINATION} COMPONENT binary
ARCHIVE DESTINATION ${LIBRARY_DESTINATION} COMPONENT binary)
add_dependencies(install-binary "${META_TARGET_NAME}")
add_dependencies(install-binary-strip "${META_TARGET_NAME}")
install(
EXPORT ${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}Targets
DESTINATION "${META_DATA_DIR}/cmake"
EXPORT_LINK_INTERFACE_LIBRARIES
COMPONENT cmake-config)
# allow checking for the export in subsequent sibling projects/directories
get_directory_property(HAS_PARENT_DIRECTORY PARENT_DIRECTORY)
if (HAS_PARENT_DIRECTORY)
set("EXPORT_${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}"
ON
PARENT_SCOPE)
endif ()
# add install target for header files
if (NOT META_IS_PLUGIN)
foreach (HEADER_FILE ${HEADER_FILES} ${ADDITIONAL_HEADER_FILES})
get_filename_component(HEADER_DIR "${HEADER_FILE}" DIRECTORY)
string(FIND "${HEADER_DIR}" "${META_PROJECT_NAME}/" HEADER_DIR_PRO)
if (HEADER_DIR STREQUAL META_PROJECT_NAME)
unset(HEADER_DIR)
elseif (HEADER_DIR_PRO EQUAL 0)
string(LENGTH "${META_PROJECT_NAME}/" HEADER_DIR_BEGIN)
string(SUBSTRING "${HEADER_DIR}" "${HEADER_DIR_BEGIN}" -1 HEADER_DIR)
endif ()
install(
FILES "${HEADER_FILE}"
DESTINATION "${INCLUDE_SUBDIR}/${META_PROJECT_NAME}/${HEADER_DIR}"
COMPONENT header)
endforeach ()
install(
FILES "${VERSION_HEADER_FILE}"
DESTINATION "${INCLUDE_SUBDIR}/${META_PROJECT_NAME}"
COMPONENT header)
install(
FILES "${TARGET_DEFINITIONS_HEADER}"
DESTINATION "${INCLUDE_SUBDIR}/${META_PROJECT_NAME}"
COMPONENT header)
if (NOT TARGET install-header)
add_custom_target(install-header COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=header -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
endif ()
# add install target for CMake modules
foreach (CMAKE_MODULE_FILE ${CMAKE_MODULE_FILES})
get_filename_component(CMAKE_MODULE_DIR ${CMAKE_MODULE_FILE} DIRECTORY)
install(
FILES ${CMAKE_MODULE_FILE}
DESTINATION ${META_DATA_DIR}/${CMAKE_MODULE_DIR}
COMPONENT cmake-modules)
endforeach ()
if (NOT TARGET install-cmake-modules)
add_custom_target(install-cmake-modules COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=cmake-modules -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
# add install target for CMake templates
foreach (CMAKE_TEMPLATE_FILE ${CMAKE_TEMPLATE_FILES})
get_filename_component(CMAKE_TEMPLATE_DIR ${CMAKE_TEMPLATE_FILE} DIRECTORY)
install(
FILES ${CMAKE_TEMPLATE_FILE}
DESTINATION ${META_DATA_DIR}/${CMAKE_TEMPLATE_DIR}
COMPONENT cmake-templates)
endforeach ()
if (NOT TARGET install-cmake-templates)
add_custom_target(install-cmake-templates COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=cmake-templates -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
# add install target for all the cmake stuff
if (NOT TARGET install-cmake-stuff)
add_custom_target(install-cmake-stuff)
add_dependencies(install-cmake-stuff install-cmake-config install-cmake-modules install-cmake-templates)
endif ()
# add targets to ease creating mingw-w64 packages under Arch Linux
if (MINGW)
option(ENABLE_TARGETS_FOR_MINGW_CROSS_PACKAGING
"enable targets to ease creating mingw-w64 packages under Arch Linux" OFF)
else ()
set(ENABLE_TARGETS_FOR_MINGW_CROSS_PACKAGING OFF)
endif ()
if (ENABLE_TARGETS_FOR_MINGW64_CROSS_PACKAGING)
if (NOT TARGET install-mingw-w64)
add_custom_target(install-mingw-w64)
endif ()
add_dependencies(install-mingw-w64 install-binary install-header install-cmake-stuff install-pkg-config)
if (NOT TARGET install-mingw-w64-strip)
add_custom_target(install-mingw-w64-strip)
endif ()
add_dependencies(install-mingw-w64-strip install-binary-strip install-header install-cmake-stuff install-pkg-config)
if (LOCALIZATION_TARGET)
add_dependencies(install-mingw-w64 ${LOCALIZATION_TARGET})
add_dependencies(install-mingw-w64-strip ${LOCALIZATION_TARGET})
endif ()
find_program(STRIP_BINARY_PATH strip ONLY_CMAKE_FIND_ROOT_PATH)
if (NOT CMAKE_STRIP)
set(STRIP_BINARY_PATH "${CMAKE_STRIP}")
endif ()
if (NOT STRIP_BINARY_PATH)
set(STRIP_BINARY_PATH "$ENV{STRIP}")
endif ()
if (NOT STRIP_BINARY_PATH)
message(FATAL_ERROR "Unable to find strip. Please set ${STRIP_BINARY_PATH}.")
else ()
message(STATUS "Using strip binary under \"${STRIP_BINARY_PATH}\".")
endif ()
if (NOT META_HEADER_ONLY_LIB AND NOT META_IS_PLUGIN)
if (CMAKE_GENERATOR STREQUAL "Ninja")
set(DESTDIR "\$\$\{DESTDIR\}\$\$\{DESTDIR:+/\}")
else ()
set(DESTDIR "\$\{DESTDIR\}\$\{DESTDIR:+/\}")
endif ()
add_custom_target(
install-${META_TARGET_NAME}-mingw-w64-linker-file-strip
COMMAND
"${STRIP_BINARY_PATH}" -g
"${DESTDIR}${CMAKE_INSTALL_FULL_LIBDIR}${SELECTED_LIB_SUFFIX}/$<TARGET_LINKER_FILE_NAME:${META_TARGET_NAME}>"
)
add_dependencies(install-${META_TARGET_NAME}-mingw-w64-linker-file-strip install-binary-strip)
add_dependencies(install-mingw-w64-strip install-${META_TARGET_NAME}-mingw-w64-linker-file-strip)
endif ()
endif ()
endif ()
set(TARGET_CONFIG_DONE YES)
|
