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Optional install #64

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merged 2 commits into from
May 19, 2022
Merged

Optional install #64

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2ff6222
Make install optional (expected behavior in CMake FetchContent)
OlivierLDff May 6, 2022
44160cc
Deactivate unit test by default when stduuid is not the main CMake pr…
OlivierLDff May 6, 2022
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57 changes: 34 additions & 23 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,11 +1,18 @@
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)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")

option(UUID_BUILD_TESTS "Build the unit tests" ON)
option(UUID_BUILD_TESTS "Build the unit tests" ${UUID_MAIN_PROJECT})
option(UUID_SYSTEM_GENERATOR "Enable operating system 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_ENABLE_INSTALL "Create an install target" ${UUID_MAIN_PROJECT})

# Library target
add_library(${PROJECT_NAME} INTERFACE)
Expand Down Expand Up @@ -40,31 +47,35 @@ if (NOT UUID_USING_CXX20_SPAN)
target_include_directories(${PROJECT_NAME} INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/gsl>
$<INSTALL_INTERFACE:include/gsl>)
install(DIRECTORY gsl DESTINATION include)
if(UUID_ENABLE_INSTALL)
install(DIRECTORY gsl DESTINATION include)
endif()
endif ()

# Install step and imported target
install(FILES include/uuid.h DESTINATION include)
install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}-targets)
install(EXPORT ${PROJECT_NAME}-targets
DESTINATION lib/cmake/${PROJECT_NAME})
if(UUID_ENABLE_INSTALL)
# Install step and imported target
install(FILES include/uuid.h DESTINATION include)
install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}-targets)
install(EXPORT ${PROJECT_NAME}-targets
DESTINATION lib/cmake/${PROJECT_NAME})

# Config files for find_package()
include(CMakePackageConfigHelpers)
configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
INSTALL_DESTINATION lib/cmake/${PROJECT_NAME})
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake"
VERSION "1.0"
COMPATIBILITY AnyNewerVersion)
install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLibuuid.cmake"
DESTINATION lib/cmake/${PROJECT_NAME})
export(EXPORT ${PROJECT_NAME}-targets
FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/${PROJECT_NAME}-targets.cmake")
# Config files for find_package()
include(CMakePackageConfigHelpers)
configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
INSTALL_DESTINATION lib/cmake/${PROJECT_NAME})
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake"
VERSION "1.0"
COMPATIBILITY AnyNewerVersion)
install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-version.cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLibuuid.cmake"
DESTINATION lib/cmake/${PROJECT_NAME})
export(EXPORT ${PROJECT_NAME}-targets
FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/${PROJECT_NAME}-targets.cmake")
endif()

# Tests
if (UUID_BUILD_TESTS)
Expand Down