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Make install optional (expected behavior in CMake FetchContent)

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This commit is contained in:
Olivier Le Doeuff 2022-05-06 17:22:11 +02:00
parent c1e1c144af
commit 2ff6222e9f
1 changed files with 33 additions and 22 deletions
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55
CMakeLists.txt
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@ -1,4 +1,10 @@
cmake_minimum_required(VERSION 3.7.0) cmake_minimum_required(VERSION 3.7.0)
set(UUID_MAIN_PROJECT OFF)
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(UUID_MAIN_PROJECT ON)
endif()
project(stduuid CXX) project(stduuid CXX)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake") set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
@ -6,6 +12,7 @@ option(UUID_BUILD_TESTS "Build the unit tests" ON)
option(UUID_SYSTEM_GENERATOR "Enable operating system uuid generator" OFF) option(UUID_SYSTEM_GENERATOR "Enable operating system uuid generator" OFF)
option(UUID_TIME_GENERATOR "Enable experimental time-based uuid generator" OFF) option(UUID_TIME_GENERATOR "Enable experimental time-based uuid generator" OFF)
option(UUID_USING_CXX20_SPAN "Using span from std instead of gsl" OFF) option(UUID_USING_CXX20_SPAN "Using span from std instead of gsl" OFF)
option(UUID_ENABLE_INSTALL "Create an install target" ${UUID_MAIN_PROJECT})
# Library target # Library target
add_library(${PROJECT_NAME} INTERFACE) add_library(${PROJECT_NAME} INTERFACE)
@ -40,31 +47,35 @@ if (NOT UUID_USING_CXX20_SPAN)
target_include_directories(${PROJECT_NAME} INTERFACE target_include_directories(${PROJECT_NAME} INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/gsl> $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/gsl>
$<INSTALL_INTERFACE:include/gsl>) $<INSTALL_INTERFACE:include/gsl>)
install(DIRECTORY gsl DESTINATION include) if(UUID_ENABLE_INSTALL)
install(DIRECTORY gsl DESTINATION include)
endif()
endif () endif ()
# Install step and imported target if(UUID_ENABLE_INSTALL)
install(FILES include/uuid.h DESTINATION include) # Install step and imported target
install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}-targets) install(FILES include/uuid.h DESTINATION include)
install(EXPORT ${PROJECT_NAME}-targets install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}-targets)
DESTINATION lib/cmake/${PROJECT_NAME}) install(EXPORT ${PROJECT_NAME}-targets
DESTINATION lib/cmake/${PROJECT_NAME})
# Config files for find_package() # Config files for find_package()
include(CMakePackageConfigHelpers) include(CMakePackageConfigHelpers)
configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
INSTALL_DESTINATION lib/cmake/${PROJECT_NAME}) INSTALL_DESTINATION lib/cmake/${PROJECT_NAME})
write_basic_package_version_file( write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake"
VERSION "1.0" VERSION "1.0"
COMPATIBILITY AnyNewerVersion) COMPATIBILITY AnyNewerVersion)
install(FILES install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLibuuid.cmake" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLibuuid.cmake"
DESTINATION lib/cmake/${PROJECT_NAME}) DESTINATION lib/cmake/${PROJECT_NAME})
export(EXPORT ${PROJECT_NAME}-targets export(EXPORT ${PROJECT_NAME}-targets
FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/${PROJECT_NAME}-targets.cmake") FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/${PROJECT_NAME}-targets.cmake")
endif()
# Tests # Tests
if (UUID_BUILD_TESTS) if (UUID_BUILD_TESTS)