Common C++ classes and routines used by my applications such as argument parser, IO and conversion utilities
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cmake_minimum_required(VERSION 3.3.0 FATAL_ERROR)
if (NOT BASIC_PROJECT_CONFIG_DONE)
message(FATAL_ERROR "Before including the AppTarget module, the BasicConfig module must be included.")
endif ()
if (TARGET_CONFIG_DONE)
message(FATAL_ERROR "Can not include AppTarget module when targets are already configured.")
endif ()
# check whether project type is set correctly
if (NOT "${META_PROJECT_TYPE}" STREQUAL "application")
message(
FATAL_ERROR
"The AppTarget CMake module is intended to be used for building application projects only (and not for libraries)."
)
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 ${QM_FILES})
endif ()
# add custom libraries
append_user_defined_additional_libraries()
# add target for building the application
if (ANDROID)
# create a shared library which can be loaded from the Java-side
add_library(${META_TARGET_NAME} SHARED ${ALL_FILES})
else ()
add_executable(${META_TARGET_NAME} ${GUI_TYPE} ${ALL_FILES})
endif ()
target_link_libraries(
${META_TARGET_NAME}
PUBLIC ${META_ADDITIONAL_LINK_FLAGS} "${PUBLIC_LIBRARIES}"
PRIVATE "${PRIVATE_LIBRARIES}")
target_include_directories(
${META_TARGET_NAME}
PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> ${PUBLIC_INCLUDE_DIRS}
PRIVATE "${PRIVATE_INCLUDE_DIRS}")
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(
${META_TARGET_NAME}
PROPERTIES CXX_STANDARD "${META_CXX_STANDARD}"
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 "${META_QT_DEFAULT_PLUGINS}")
# set properties for macOS bundle and generate icon for macOS bundle
if (GUI_TYPE STREQUAL "MACOSX_BUNDLE")
set_target_properties(
"${META_TARGET_NAME}"
PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "${META_TARGET_NAME}"
MACOSX_BUNDLE_GUI_IDENTIFIER "${META_TARGET_NAME}"
MACOSX_BUNDLE_BUNDLE_VERSION "${META_APP_VERSION}"
MACOSX_BUNDLE_LONG_VERSION_STRING "${META_APP_VERSION}"
MACOSX_BUNDLE_SHORT_VERSION_STRING "${META_APP_VERSION}")
if (PNG_ICON_PATH)
find_program(PNG2ICNS_BIN png2icns)
if (PNG2ICNS_BIN)
set(RESOURCES_DIR "${CMAKE_CURRENT_BINARY_DIR}/${META_TARGET_NAME}.app/Contents/Resources")
set(MACOSX_ICON_PATH "${RESOURCES_DIR}/${META_PROJECT_NAME}.icns")
add_custom_command(
COMMENT "Generating icon for macOS bundle"
OUTPUT "${MACOSX_ICON_PATH}"
COMMAND "${CMAKE_COMMAND}" -E make_directory "${RESOURCES_DIR}"
COMMAND ${PNG2ICNS_BIN} "${MACOSX_ICON_PATH}" "${PNG_ICON_PATH}"
DEPENDS "${PNG_ICON_PATH}")
message(STATUS "Generating macOS icon from \"${PNG_ICON_PATH}\" via ${PNG2ICNS_BIN}.")
set_target_properties(${META_TARGET_NAME} PROPERTIES MACOSX_BUNDLE_ICON_FILE ${META_PROJECT_NAME}.icns)
target_sources(${META_TARGET_NAME} PRIVATE "${MACOSX_ICON_PATH}")
else ()
message(STATUS "Unable to find png2icns, not creating a macOS bundle icon")
endif ()
endif ()
endif ()
# add install targets
if (NOT META_NO_INSTALL_TARGETS AND ENABLE_INSTALL_TARGETS)
# add install target for binary
if (APPLE)
set(BUNDLE_INSTALL_DESTINATION
"${CMAKE_INSTALL_BINDIR}"
CACHE STRING "specifies the install destination for bundles")
install(
TARGETS ${META_TARGET_NAME}
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
BUNDLE DESTINATION "${BUNDLE_INSTALL_DESTINATION}" COMPONENT binary)
elseif (ANDROID)
install(
TARGETS ${META_TARGET_NAME}
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT binary
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}${SELECTED_LIB_SUFFIX}" COMPONENT binary
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}${SELECTED_LIB_SUFFIX}" COMPONENT binary)
else ()
install(TARGETS ${META_TARGET_NAME} RUNTIME DESTINATION bin COMPONENT binary)
endif ()
if (NOT TARGET install-binary)
add_custom_target(install-binary COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=binary -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
add_dependencies(install-binary ${META_TARGET_NAME})
# add mingw-w64 specific install target
if (NOT TARGET install-mingw-w64)
add_custom_target(install-mingw-w64)
add_dependencies(install-mingw-w64 install-binary)
endif ()
add_dependencies(install-mingw-w64 ${META_TARGET_NAME})
# add install target for desktop entries and icons
foreach (DESKTOP_FILE ${DESKTOP_FILES})
install(
FILES "${DESKTOP_FILE}"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/applications"
COMPONENT desktop)
endforeach ()
foreach (ICON_FILE ${ICON_FILES})
get_filename_component(ICON_FILE_NAME "${ICON_FILE}" NAME_WE)
get_filename_component(ICON_FILE_EXT "${ICON_FILE}" EXT)
install(
FILES "${ICON_FILE}"
RENAME "${NAMESPACE_PREFIX}${ICON_FILE_NAME}${META_CONFIG_SUFFIX}${ICON_FILE_EXT}"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons/hicolor/scalable/apps"
COMPONENT desktop)
endforeach ()
if (NOT TARGET install-desktop)
add_custom_target(install-desktop COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=desktop -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
add_dependencies(install-desktop ${META_TARGET_NAME})
if (NOT TARGET install-appimage)
add_custom_target(install-appimage COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=appimage -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
add_dependencies(install-appimage ${META_TARGET_NAME})
# add install target for stripped binaries
if (NOT TARGET install-binary-strip)
add_custom_target(
install-binary-strip COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_DO_STRIP=1 -DCMAKE_INSTALL_COMPONENT=binary -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
add_dependencies(install-binary-strip ${META_TARGET_NAME})
# add mingw-w64 specific install targets
if (MINGW)
if (NOT TARGET install-mingw-w64)
add_custom_target(install-mingw-w64)
add_dependencies(install-mingw-w64 install-binary)
endif ()
if (NOT TARGET install-mingw-w64-strip)
add_custom_target(install-mingw-w64-strip)
add_dependencies(install-mingw-w64-strip install-binary-strip)
endif ()
if (LOCALIZATION_TARGET)
add_dependencies(install-mingw-w64 ${LOCALIZATION_TARGET})
add_dependencies(install-mingw-w64-strip ${LOCALIZATION_TARGET})
endif ()
endif ()
endif ()
# find template for *.desktop and AppStream files
include(TemplateFinder)
find_template_file("desktop" CPP_UTILITIES APP_DESKTOP_TEMPLATE_FILE)
find_template_file("appdata.xml" CPP_UTILITIES APP_APPSTREAM_TEMPLATE_FILE)
# define generic function to add *.desktop files
include(CMakeParseArguments)
function (add_custom_desktop_file)
# parse arguments
set(ONE_VALUE_ARGS
FILE_NAME
DESKTOP_FILE_APP_NAME
DESKTOP_FILE_GENERIC_NAME
DESKTOP_FILE_DESCRIPTION
DESKTOP_FILE_CATEGORIES
DESKTOP_FILE_CMD
DESKTOP_FILE_ICON
DESKTOP_FILE_ADDITIONAL_ENTRIES)
set(MULTI_VALUE_ARGS)
set(OPTIONAL_ARGS)
cmake_parse_arguments(ARGS "${OPTIONAL_ARGS}" "${ONE_VALUE_ARGS}" "${MULTI_VALUE_ARGS}" ${ARGN})
if (NOT ARGS_FILE_NAME
OR NOT ARGS_DESKTOP_FILE_APP_NAME
OR NOT ARGS_DESKTOP_FILE_CMD)
message(FATAL_ERROR "Not all mandatory arguments specified.")
endif ()
if (NOT ARGS_DESKTOP_FILE_GENERIC_NAME)
set(ARGS_DESKTOP_FILE_GENERIC_NAME "${ARGS_DESKTOP_FILE_APP_NAME}")
endif ()
# create desktop file from template
configure_file("${APP_DESKTOP_TEMPLATE_FILE}" "${CMAKE_CURRENT_BINARY_DIR}/resources/${ARGS_FILE_NAME}.desktop")
# add install for the desktop file
install(
FILES "${CMAKE_CURRENT_BINARY_DIR}/resources/${ARGS_FILE_NAME}.desktop"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/applications"
COMPONENT desktop)
endfunction ()
# define function to add *.desktop file and meta info from project meta data
function (add_desktop_file)
# compose actions
set(DESKTOP_FILE_ADDITIONAL_ENTRIES "")
foreach (ACTION_VAR ${META_APP_ACTIONS})
list(GET META_APP_ACTION_${ACTION_VAR} 0 ACTION_ID)
list(GET META_APP_ACTION_${ACTION_VAR} 1 ACTION_NAME)
list(GET META_APP_ACTION_${ACTION_VAR} 2 ACTION_ARGS)
set(DESKTOP_FILE_ADDITIONAL_ENTRIES
"${DESKTOP_FILE_ADDITIONAL_ENTRIES}\n[Desktop Action ${ACTION_ID}]\nName=${ACTION_NAME}\nExec=${META_TARGET_NAME} ${ACTION_ARGS}"
)
endforeach ()
# create desktop file
add_custom_desktop_file(
FILE_NAME
"${META_ID}"
DESKTOP_FILE_APP_NAME
"${META_APP_NAME}"
DESKTOP_FILE_GENERIC_NAME
"${META_GENERIC_NAME}"
DESKTOP_FILE_DESCRIPTION
"${META_APP_DESCRIPTION}"
DESKTOP_FILE_CATEGORIES
"${META_APP_CATEGORIES}"
DESKTOP_FILE_CMD
"${META_TARGET_NAME}"
DESKTOP_FILE_ICON
"${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}"
DESKTOP_FILE_ADDITIONAL_ENTRIES
"${DESKTOP_FILE_ADDITIONAL_ENTRIES}")
# read body for appstream desktop file from resources
set(META_APP_APPDATA_BODY_FILE "${CMAKE_CURRENT_SOURCE_DIR}/resources/body.appdata.xml")
set(META_APP_APPDATA_SUBSTITUTED_BODY_FILE "${CMAKE_CURRENT_BINARY_DIR}/resources/${META_ID}.body.appdata.xml")
if (EXISTS "${META_APP_APPDATA_BODY_FILE}")
configure_file("${META_APP_APPDATA_BODY_FILE}" "${META_APP_APPDATA_SUBSTITUTED_BODY_FILE}" @ONLY)
file(READ "${META_APP_APPDATA_SUBSTITUTED_BODY_FILE}" META_APP_APPDATA_BODY)
# add indentation of two additional spaces
string(REGEX REPLACE "\n([^$])" "\n \\1" META_APP_APPDATA_BODY "${META_APP_APPDATA_BODY}")
endif ()
# create appstream desktop file from template
configure_file("${APP_APPSTREAM_TEMPLATE_FILE}" "${CMAKE_CURRENT_BINARY_DIR}/resources/${META_ID}.appdata.xml" @ONLY)
# add install for the appstream file
install(
FILES "${CMAKE_CURRENT_BINARY_DIR}/resources/${META_ID}.appdata.xml"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/metainfo"
COMPONENT appimage)
endfunction ()
set(TARGET_CONFIG_DONE YES)