Common C++ classes and routines used by my applications such as argument parser, IO and conversion utilities
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# check whether the required project meta-data has been set before including this module
if (NOT META_PROJECT_NAME)
message(FATAL_ERROR "No project name (META_PROJECT_NAME) specified.")
endif ()
if (NOT META_APP_NAME)
message(FATAL_ERROR "No project name (META_APP_NAME) specified.")
endif ()
if (NOT META_APP_AUTHOR)
message(FATAL_ERROR "No project name (META_APP_AUTHOR) specified.")
endif ()
if (NOT META_APP_DESCRIPTION)
message(FATAL_ERROR "No project name (META_APP_DESCRIPTION) specified.")
endif ()
# set project name (displayed in Qt Creator)
message(STATUS "Configuring project ${META_PROJECT_NAME}")
project(${META_PROJECT_NAME})
# set META_PROJECT_VARNAME and META_PROJECT_VARNAME_UPPER if not specified explicitely
if (NOT META_PROJECT_VARNAME)
set(META_PROJECT_VARNAME "${META_PROJECT_NAME}")
endif ()
if (NOT META_PROJECT_VARNAME_UPPER)
string(TOUPPER ${META_PROJECT_VARNAME} META_PROJECT_VARNAME_UPPER)
endif ()
if (NOT META_PROJECT_VARNAME_LOWER)
string(REGEX
REPLACE "_+"
""
META_PROJECT_VARNAME_LOWER
"${META_PROJECT_VARNAME}")
string(TOLOWER "${META_PROJECT_VARNAME_LOWER}" META_PROJECT_VARNAME_LOWER)
endif ()
# allow setting a configuration name to allow installing multiple differently configured versions within the same prefix
# (intended to be used for installing Qt 5 and Qt 6 version or shared and static version within the same prefix)
set(${META_PROJECT_VARNAME_UPPER}_CONFIGURATION_NAME "" CACHE STRING "sets the configuration name for ${META_PROJECT_NAME}")
set(CONFIGURATION_NAME "" CACHE STRING "sets the configuration name for all projects within the current build")
if (${META_PROJECT_VARNAME_UPPER}_CONFIGURATION_NAME STREQUAL "none")
set(META_CONFIG_NAME "")
elseif (${META_PROJECT_VARNAME_UPPER}_CONFIGURATION_NAME)
set(META_CONFIG_NAME "${${META_PROJECT_VARNAME_UPPER}_CONFIGURATION_NAME}")
else ()
set(META_CONFIG_NAME "${CONFIGURATION_NAME}")
endif ()
if (META_CONFIG_NAME)
set(META_CONFIG_PREFIX "${META_CONFIG_NAME}-")
set(META_CONFIG_SUFFIX "-${META_CONFIG_NAME}")
endif ()
# allow setting a library/application target suffix - A different configuration name might not require a different target
# name since it might differ anyways (e.g. library extensions for static and shared configuration). Hence there's not simply
# the configuration name used to distinguish targets as well.
set(${META_PROJECT_VARNAME_UPPER}_CONFIGURATION_TARGET_SUFFIX
""
CACHE STRING "sets a target suffix for ${META_PROJECT_NAME}")
set(CONFIGURATION_TARGET_SUFFIX "" CACHE STRING "sets the target suffix for all projects within the current build")
if (${META_PROJECT_VARNAME_UPPER}_CONFIGURATION_TARGET_SUFFIX STREQUAL "none")
set(TARGET_SUFFIX "")
elseif (${META_PROJECT_VARNAME_UPPER}_CONFIGURATION_TARGET_SUFFIX)
set(TARGET_SUFFIX "-${${META_PROJECT_VARNAME_UPPER}_CONFIGURATION_TARGET_SUFFIX}")
elseif (CONFIGURATION_TARGET_SUFFIX)
set(TARGET_SUFFIX "-${CONFIGURATION_TARGET_SUFFIX}")
endif ()
# define a few variables
set(META_TARGET_NAME "${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}")
set(META_DATA_DIR "share/${META_PROJECT_NAME}${META_CONFIG_SUFFIX}")
string(TOUPPER "${CMAKE_BUILD_TYPE}" META_CURRENT_CONFIGURATION)
# set META_GENERIC_NAME to META_APP_NAME if not specified explicitely
if (NOT META_GENERIC_NAME)
set(META_GENERIC_NAME "${META_APP_NAME}")
endif ()
# set default CXX_STANDARD for all library, application and test targets
if (NOT META_CXX_STANDARD)
set(META_CXX_STANDARD 17)
endif ()
# set version to 0.0.0 if not specified explicitely
if (NOT META_VERSION_MAJOR)
set(META_VERSION_MAJOR 0)
endif ()
if (NOT META_VERSION_MINOR)
set(META_VERSION_MINOR 0)
endif ()
if (NOT META_VERSION_PATCH)
set(META_VERSION_PATCH 0)
endif ()
# set META_ID to target name if not specified
if (NOT META_ID)
set(META_ID "${META_TARGET_NAME}")
endif ()
# set bugtracker URL
if (NOT META_APP_BUGTRACKER_URL)
if (META_APP_URL MATCHES "https://(github.com|gitlab.com|.*/(gogs|gitea)|(gogs|gitea).*)/.*")
set(META_APP_BUGTRACKER_URL "${META_APP_URL}/issues")
else ()
set(META_APP_BUGTRACKER_URL "${META_APP_URL}")
endif ()
endif ()
# determine license automatically from LICENSE file
if (NOT META_PROJECT_LICENSE)
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE" META_PROJECT_LICENSE_FILE)
elseif (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../LICENSE")
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/../LICENSE" META_PROJECT_LICENSE_FILE)
endif ()
if (META_PROJECT_LICENSE_FILE MATCHES "GNU GENERAL PUBLIC LICENSE.*Version ([1-9\\.]*)")
set(META_PROJECT_LICENSE "GPL-${CMAKE_MATCH_1}")
elseif (META_PROJECT_LICENSE_FILE MATCHES "GNU LESSER GENERAL PUBLIC LICENSE.*Version ([1-9\\.]*)")
set(META_PROJECT_LICENSE "LGPL-${CMAKE_MATCH_1}")
elseif (META_PROJECT_LICENSE_FILE MATCHES "MIT License")
set(META_PROJECT_LICENSE "MIT")
elseif (META_PROJECT_LICENSE_FILE MATCHES "Mozilla Public License Version ([1-9\\.]*)")
set(META_PROJECT_LICENSE "MPL-${CMAKE_MATCH_1}")
else ()
message(
WARNING
"Unable to detect license of ${META_PROJECT_NAME}. Set META_PROJECT_LICENSE manually to silence this warning."
)
endif ()
endif ()
# provide variables for other projects built as part of the same subdirs project to access files from this project
get_directory_property(HAS_PARENT PARENT_DIRECTORY)
if (HAS_PARENT)
set(${META_PROJECT_VARNAME_UPPER}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" PARENT_SCOPE)
set(${META_PROJECT_VARNAME_UPPER}_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}" PARENT_SCOPE)
set(${META_PROJECT_NAME}_DIR "${CMAKE_CURRENT_BINARY_DIR}" PARENT_SCOPE)
set(RUNTIME_LIBRARY_PATH "${CMAKE_CURRENT_BINARY_DIR}" ${RUNTIME_LIBRARY_PATH} PARENT_SCOPE)
endif ()
# determine version
set(META_APP_VERSION ${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH})
option(
APPEND_GIT_REVISION
"whether the build script should attempt to append the git revision and latest commit to the version displayed via --help"
ON)
if (APPEND_GIT_REVISION)
find_program(GIT_BIN git)
execute_process(COMMAND ${GIT_BIN} rev-list --count HEAD
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE META_GIT_REV_COUNT)
execute_process(COMMAND ${GIT_BIN} rev-parse --short HEAD
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE META_GIT_LAST_COMMIT_ID)
string(REPLACE "\n"
""
META_GIT_REV_COUNT
"${META_GIT_REV_COUNT}")
string(REPLACE "\n"
""
META_GIT_LAST_COMMIT_ID
"${META_GIT_LAST_COMMIT_ID}")
if (META_GIT_REV_COUNT AND META_GIT_LAST_COMMIT_ID)
set(META_APP_VERSION ${META_APP_VERSION}-${META_GIT_REV_COUNT}.${META_GIT_LAST_COMMIT_ID})
endif ()
endif ()
# set TARGET_EXECUTABLE which is used to refer to the target executable at its installation location
set(TARGET_EXECUTABLE "${CMAKE_INSTALL_PREFIX}/bin/${META_TARGET_NAME}")
# create header for feature detection
if (META_FEATURES_FOR_COMPILER_DETECTION_HEADER)
include(WriteCompilerDetectionHeader)
write_compiler_detection_header(FILE
"${CMAKE_CURRENT_BINARY_DIR}/resources/features.h"
PREFIX
"${META_PROJECT_VARNAME_UPPER}"
COMPILERS
GNU
Clang
FEATURES
${META_FEATURES_FOR_COMPILER_DETECTION_HEADER})
endif ()
# disable new ABI (can't catch ios_base::failure with new ABI)
option(FORCE_OLD_ABI "specifies whether usage of old ABI should be forced" OFF)
if (FORCE_OLD_ABI)
list(APPEND META_PRIVATE_COMPILE_DEFINITIONS _GLIBCXX_USE_CXX11_ABI=0)
message(STATUS "Forcing usage of old CXX11 ABI.")
else ()
message(STATUS "Using default CXX11 ABI (not forcing old CX11 ABI).")
endif ()
# enable debug-only code when doing a debug build
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND META_PRIVATE_COMPILE_DEFINITIONS CPP_UTILITIES_DEBUG_BUILD)
message(STATUS "Debug build enabled.")
endif ()
# enable logging when option is set
option(LOGGING_ENABLED "specifies whether logging is enabled" OFF)
if (LOGGING_ENABLED)
list(APPEND META_PRIVATE_COMPILE_DEFINITIONS LOGGING_ENABLED)
message(STATUS "Logging is enabled.")
endif ()
# determine whether the project is a header-only library
if (SRC_FILES OR GUI_SRC_FILES OR WIDGETS_SRC_FILES OR WIDGETS_UI_FILES OR QML_SRC_FILES OR RES_FILES)
set(META_HEADER_ONLY_LIB NO)
else ()
set(META_HEADER_ONLY_LIB YES)
if ("${META_PROJECT_TYPE}" STREQUAL "application")
message(FATAL_ERROR "Project ${META_PROJECT_NAME} is supposed to be an application but has only header files.")
endif ()
message(STATUS "Project ${META_PROJECT_NAME} is header-only library.")
endif ()
# ensure 3rdParty has been included to configure BUILD_SHARED_LIBS and STATIC_LINKAGE/STATIC_LIBRARY_LINKAGE
include(3rdParty)
# options for enabling/disabling Qt GUI (if available)
if (WIDGETS_HEADER_FILES OR WIDGETS_SRC_FILES OR WIDGETS_UI_FILES OR META_HAS_WIDGETS_GUI)
if (META_GUI_OPTIONAL)
option(WIDGETS_GUI "enables/disables building the Qt Widgets GUI: yes (default) or no" ON)
else ()
set(WIDGETS_GUI ON)
endif ()
else ()
set(WIDGETS_GUI OFF)
endif ()
if (QML_HEADER_FILES OR QML_SRC_FILES OR META_HAS_QUICK_GUI)
if (META_GUI_OPTIONAL)
option(QUICK_GUI "enables/disables building the Qt Quick GUI: yes (default) or no" ON)
else ()
set(QUICK_GUI ON)
endif ()
else ()
set(QUICK_GUI OFF)
endif ()
# find coding style (use style from c++utilities if none included in own project dir)
if (NOT META_NO_TIDY)
set(CLANG_FORMAT_RULES "${CMAKE_CURRENT_SOURCE_DIR}/coding-style.clang-format")
if (CPP_UTILITIES_SOURCE_DIR AND NOT EXISTS "${CLANG_FORMAT_RULES}")
set(CLANG_FORMAT_RULES "${CPP_UTILITIES_SOURCE_DIR}/coding-style.clang-format")
endif ()
if (NOT EXISTS "${CLANG_FORMAT_RULES}")
set(CLANG_FORMAT_RULES "${CPP_UTILITIES_CONFIG_DIRS}/codingstyle.clang-format")
endif ()
endif ()
# enable testing
enable_testing()
get_directory_property(HAS_PARENT PARENT_DIRECTORY)
if (HAS_PARENT)
message(STATUS "For the check target to work, it is required to call enable_testing() on the source directory root.")
endif ()
# make finding testfiles in out-of-source-tree build more convenient by adding a reference to the source directory (not only
# useful if there's a test target; this is for instance also used in mocked configuration of syncthingtray) -> add a file
# called "srcdirref" to the build directory; this file contains the path of the sources so tests can easily find test files
# contained in the source directory
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/srcdirref" "${CMAKE_CURRENT_SOURCE_DIR}")
# -> ensure the directory "testfiles" exists in the build directory; tests of my projects use it by default to create working
# copies of testfiles
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/testfiles")
# determine source files which might be passed to clang-format or clang-tidy
set(FORMATABLE_FILES
${HEADER_FILES}
${SRC_FILES}
${TEST_HEADER_FILES}
${TEST_SRC_FILES}
${GUI_HEADER_FILES}
${GUI_SRC_FILES}
${WIDGETS_HEADER_FILES}
${WIDGETS_SRC_FILES}
${QML_HEADER_FILES}
${QML_SRC_FILES})
# only format C/C++ files (and not eg. QML files)
if (FORMATABLE_FILES)
list(FILTER
FORMATABLE_FILES
INCLUDE
REGEX
".*\\.(c|cpp|h|hpp)")
endif ()
# determine source files which might be passed to cmake-format
set(FORMATABLE_FILES_CMAKE ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt ${CMAKE_MODULE_FILES})
# add command for symlinking clang-{format,tidy} rules so the tools can find it
if (EXISTS "${CLANG_FORMAT_RULES}")
add_custom_command(OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/.clang-format"
COMMAND "${CMAKE_COMMAND}" -E create_symlink "${CLANG_FORMAT_RULES}"
"${CMAKE_CURRENT_SOURCE_DIR}/.clang-format"
COMMENT "Linking coding style from ${CLANG_FORMAT_RULES}")
else ()
message(WARNING "Format rules for clang-format not found.")
endif ()
# allow user to configure creation of tidy targets unless the project disables this via META_NO_TIDY
if (NOT META_NO_TIDY)
option(CLANG_FORMAT_ENABLED "enables creation of tidy target using clang-format" OFF)
option(CMAKE_FORMAT_ENABLED "enables creation of tidy target using cmake-format" OFF)
endif ()
# add target for tidying with clang-format
if (NOT META_NO_TIDY AND CLANG_FORMAT_ENABLED AND FORMATABLE_FILES AND EXISTS "${CLANG_FORMAT_RULES}")
find_program(CLANG_FORMAT_BIN clang-format)
if (NOT CLANG_FORMAT_BIN)
message(FATAL_ERROR "Unable to add tidy target; clang-format not found")
endif ()
add_custom_target("${META_TARGET_NAME}_tidy"
COMMAND "${CLANG_FORMAT_BIN}" -style=file -i ${FORMATABLE_FILES}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMENT "Tidying ${META_PROJECT_NAME} sources using clang-format"
DEPENDS "${FORMATABLE_FILES};${CMAKE_CURRENT_SOURCE_DIR}/.clang-format")
if (NOT TARGET tidy)
add_custom_target(tidy)
endif ()
add_dependencies(tidy "${META_TARGET_NAME}_tidy")
# also add a test to verify whether sources are tidy
add_test(NAME "${META_TARGET_NAME}_tidy_test"
COMMAND "${CLANG_FORMAT_BIN}" -output-replacements-xml -style=file ${FORMATABLE_FILES}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")
list(APPEND CHECK_TARGET_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/.clang-format")
set_tests_properties("${META_TARGET_NAME}_tidy_test"
PROPERTIES FAIL_REGULAR_EXPRESSION
"<replacement.*>.*</replacement>"
REQUIRED_FILES
"${CMAKE_CURRENT_SOURCE_DIR}/.clang-format")
endif ()
# add target for tidying with cmake-format
if (NOT META_NO_TIDY AND CMAKE_FORMAT_ENABLED AND FORMATABLE_FILES_CMAKE)
find_program(CMAKE_FORMAT_BIN cmake-format)
if (NOT CMAKE_FORMAT_BIN)
message(FATAL_ERROR "Unable to add tidy target; cmake-format not found")
endif ()
if (NOT META_CMAKE_FORMAT_OPTIONS)
set(META_CMAKE_FORMAT_OPTIONS
--tab-size=4
--separate-ctrl-name-with-space=True
--line-width=125
--autosort=False)
endif ()
add_custom_target("${META_TARGET_NAME}_cmake_tidy"
COMMAND "${CMAKE_FORMAT_BIN}" --in-place ${META_CMAKE_FORMAT_OPTIONS} ${FORMATABLE_FILES_CMAKE}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMENT "Tidying ${META_PROJECT_NAME} sources using cmake-format"
DEPENDS "${FORMATABLE_FILES_CMAKE}")
if (NOT TARGET tidy)
add_custom_target(tidy)
endif ()
add_dependencies(tidy "${META_TARGET_NAME}_cmake_tidy")
endif ()
# add target for static code analysis using clang-tidy
if (NOT META_NO_STATIC_ANALYSIS AND FORMATABLE_FILES)
option(CLANG_TIDY_ENABLED "enables creation of static-check target using clang-tidy" OFF)
set(CLANG_TIDY_CHECKS
""
CACHE STRING
"-*,clang-analyzer-*,cppcoreguidelines-*,modernize-*,performance-*,portability-*,readability-*,android-*")
if (CLANG_TIDY_ENABLED)
find_program(CLANG_TIDY_BIN clang-tidy)
if (NOT CLANG_TIDY_BIN)
message(FATAL_ERROR "Unable to add tidy target; clang-tidy not found")
endif ()
set(CLANG_TIDY_DEPENDS ${FORMATABLE_FILES})
# compose options for clang-tidy
set(CLANG_TIDY_OPTIONS -checks="${CLANG_TIDY_CHECKS}" -header-filter="^${META_PROJECT_NAME}/")
if (EXISTS "${CLANG_FORMAT_RULES}")
list(APPEND CLANG_TIDY_OPTIONS "-format-style=file")
list(APPEND CLANG_TIDY_DPENDS "${CMAKE_CURRENT_SOURCE_DIR}/.clang-format")
endif ()
# compose CXX flags for clang-tidy
set(CLANG_TIDY_CXX_FLAGS "")
if (NOT META_HEADER_ONLY_LIB)
# deduce flags from target
set(TARGET_NAME ${META_TARGET_NAME})
if (NOT BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
set(TARGET_NAME "${TARGET_NAME}_static")
endif ()
# set c++ standard
list(APPEND CLANG_TIDY_CXX_FLAGS "-std=c++$<TARGET_PROPERTY:${TARGET_NAME},CXX_STANDARD>")
# add compile flags
set(PROP "$<TARGET_PROPERTY:${TARGET_NAME},COMPILE_FLAGS>")
list(APPEND CLANG_TIDY_CXX_FLAGS "$<$<BOOL:${PROP}>:$<JOIN:${PROP},$<SEMICOLON>>>")
# add compile definitions
set(PROP "$<TARGET_PROPERTY:${TARGET_NAME},COMPILE_DEFINITIONS>")
list(APPEND CLANG_TIDY_CXX_FLAGS "$<$<BOOL:${PROP}>:-D$<JOIN:${PROP},$<SEMICOLON>-D>>")
# add include directories
set(PROP "$<TARGET_PROPERTY:${TARGET_NAME},INCLUDE_DIRECTORIES>")
list(APPEND CLANG_TIDY_CXX_FLAGS "$<$<BOOL:${PROP}>:-I$<JOIN:${PROP},$<SEMICOLON>-I>>")
else ()
# set at least c++ standard for header-only libs
list(APPEND CLANG_TIDY_CXX_FLAGS "-std=c++${META_CXX_STANDARD}")
endif ()
# add a custom command for each source file
set(CLANG_TIDY_SYMBOLIC_OUTPUT_FILES "")
foreach (FILE ${FORMATABLE_FILES})
# skip header files
if (${FILE} MATCHES ".*\.h")
continue()
endif ()
# use symbolic output file since there's no actual output file (we're just interested in the log)
set(SYMBOLIC_OUTPUT_FILE "${FILE}.clang-tidy-output")
list(APPEND CLANG_TIDY_SYMBOLIC_OUTPUT_FILES "${SYMBOLIC_OUTPUT_FILE}")
add_custom_command(OUTPUT "${SYMBOLIC_OUTPUT_FILE}"
COMMAND "${CLANG_TIDY_BIN}" ${FILE} -- ${CLANG_TIDY_CXX_FLAGS}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMENT "Linting ${FILE} using clang-tidy"
DEPENDS "${FILE}" COMMAND_EXPAND_LISTS
VERBATIM)
endforeach ()
# mark all symbolic output files actually as symbolic
set_source_files_properties(${CLANG_TIDY_SYMBOLIC_OUTPUT_FILES}
PROPERTIES
SYMBOLIC
YES)
# add targets
add_custom_target("${META_TARGET_NAME}_static_check"
DEPENDS ${CLANG_TIDY_SYMBOLIC_OUTPUT_FILES}
COMMENT "Linting ${META_TARGET_NAME} sources using clang-tidy")
if (NOT TARGET static-check)
add_custom_target(static-check)
endif ()
add_dependencies(static-check "${META_TARGET_NAME}_static_check")
endif ()
endif ()
# add autotools-style check target
if (NOT TARGET check)
set(CMAKE_CTEST_COMMAND ${CMAKE_CTEST_COMMAND} -V)
add_custom_target(check
COMMAND ${CMAKE_CTEST_COMMAND}
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
DEPENDS "${CHECK_TARGET_DEPENDS}")
endif ()
# enable source code based coverage analysis using clang
option(CLANG_SOURCE_BASED_COVERAGE_ENABLED "enables creation of coverage targets for source-based coverage with clang" OFF)
if (CLANG_SOURCE_BASED_COVERAGE_ENABLED)
if (NOT CMAKE_HOST_UNIX OR NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
message(FATAL_ERROR "Source-based coverage only available under UNIX with Clang")
endif ()
if (NOT META_PROJECT_TYPE STREQUAL "application" AND DISABLE_SHARED_LIBS)
message(FATAL_ERROR "Source-based coverage not available when only building static libs")
endif ()
set(CLANG_SOURCE_BASED_COVERAGE_AVAILABLE YES)
set(CLANG_SOURCE_BASED_COVERAGE_FLAGS -fprofile-instr-generate -fcoverage-mapping)
list(APPEND META_PRIVATE_COMPILE_OPTIONS ${CLANG_SOURCE_BASED_COVERAGE_FLAGS})
list(APPEND META_ADDITIONAL_LINK_FLAGS ${CLANG_SOURCE_BASED_COVERAGE_FLAGS})
endif ()
# configure creation of install targets
if (NOT META_NO_INSTALL_TARGETS)
# install targets have not been disabled on project level check whether install targets are disabled by the user this
# might be useful since install targets seem to cause problems under MacOS
option(ENABLE_INSTALL_TARGETS "enables creation of install targets" ON)
endif ()
# add install target for extra files
if (NOT META_NO_INSTALL_TARGETS AND ENABLE_INSTALL_TARGETS)
foreach (EXTRA_FILE ${EXTRA_FILES})
get_filename_component(EXTRA_DIR ${EXTRA_FILE} DIRECTORY)
install(FILES ${EXTRA_FILE} DESTINATION "${META_DATA_DIR}/${EXTRA_DIR}" COMPONENT extra-files)
endforeach ()
if (NOT TARGET install-extra-files)
add_custom_target(install-extra-files
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=extra-files -P
"${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
endif ()
# determine library directory suffix - Applications might be built as libraries under some platforms (eg. Android). Hence
# this is part of BasicConfig and not LibraryConfig.
set(LIB_SUFFIX "" CACHE STRING "specifies the general suffix for the library directory")
set(SELECTED_LIB_SUFFIX "${LIB_SUFFIX}")
set(LIB_SUFFIX_32 "" CACHE STRING "specifies the suffix for the library directory to be used when building 32-bit library")
set(LIB_SUFFIX_64 "" CACHE STRING "specifies the suffix for the library directory to be used when building 64-bit library")
if (LIB_SUFFIX_64 AND CMAKE_SIZEOF_VOID_P MATCHES "8")
set(SELECTED_LIB_SUFFIX "${LIB_SUFFIX_64}")
elseif (LIB_SUFFIX_32 AND CMAKE_SIZEOF_VOID_P MATCHES "4")
set(SELECTED_LIB_SUFFIX "${LIB_SUFFIX_32}")
endif ()
set(BASIC_PROJECT_CONFIG_DONE YES)