uuid_v4/CMakeLists.txt
Xavier 'crashoz' Launey 13e02047dd cmake fixes
2023-03-16 13:22:29 +01:00

119 lines
4.1 KiB
CMake

cmake_minimum_required (VERSION 3.8)
if (NOT DEFINED CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif ()
project (uuid_v4 VERSION 1.0.0 LANGUAGES CXX)
option(test "Build all tests." OFF)
option(test_use_internal_googletest "Build googletest, do not use it from system." ON)
option(benchmark "Build benchmarks." OFF)
option(benchmark_use_internal_googlebenchmark "Build google benchmark, do not use it from system." ON)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
endif ()
if (test)
if (test_use_internal_googletest)
# build tests (targets: gtest_main, gtest)
add_subdirectory(vendor/google/googletest/googletest)
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
target_compile_options (gtest PRIVATE "-Wno-error=misleading-indentation")
endif()
add_library(GTest::gtest INTERFACE IMPORTED)
target_link_libraries(GTest::gtest INTERFACE gtest)
add_library(GTest::gtest_main INTERFACE IMPORTED)
target_link_libraries(GTest::gtest_main INTERFACE gtest_main)
else ()
find_package(GTest REQUIRED)
endif ()
enable_testing ()
add_subdirectory (tests)
endif ()
if (benchmark)
if (benchmark_use_internal_googlebenchmark)
# build google benchmark (target: benchmark)
# do not build tests of benchmarking lib
set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Suppressing benchmark's tests" FORCE)
add_subdirectory(vendor/google/benchmark)
add_library(benchmark::benchmark INTERFACE IMPORTED)
target_link_libraries(benchmark::benchmark INTERFACE benchmark)
else ()
find_package(benchmark REQUIRED)
endif ()
add_subdirectory (benchmarks)
endif ()
add_executable(example example.cpp)
target_link_libraries (example)
add_library(${PROJECT_NAME} INTERFACE)
add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
if (NOT CMAKE_VERSION VERSION_LESS 3.8)
target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_17)
endif()
target_include_directories(${PROJECT_NAME} INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/>)
################################################################################
## PACKAGE SUPPORT
################################################################################
set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
set(include_install_dir "include")
set(config_install_dir "lib/cmake/${PROJECT_NAME}")
set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
set(targets_export_name "${PROJECT_NAME}Targets")
set(namespace "${PROJECT_NAME}::")
include(CMakePackageConfigHelpers)
# CMake automatically adds an architecture compatibility check to make sure
# 32 and 64 bit code is not accidentally mixed. For a header-only library this
# is not required. The check can be disabled by temporarily unsetting
# CMAKE_SIZEOF_VOID_P. In CMake 3.14 and later this can be achieved more cleanly
# with write_basic_package_version_file(ARCH_INDEPENDENT).
# TODO: Use this once a newer CMake can be required.
set(TMP_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
unset(CMAKE_SIZEOF_VOID_P)
write_basic_package_version_file(
"${version_config}" VERSION ${PROJECT_VERSION} COMPATIBILITY SameMajorVersion
)
set(CMAKE_SIZEOF_VOID_P ${TMP_SIZEOF_VOID_P})
configure_file("Config.cmake.in" "${project_config}" @ONLY)
install(TARGETS ${PROJECT_NAME}
EXPORT "${targets_export_name}"
INCLUDES DESTINATION "${include_install_dir}")
install(FILES "uuid_v4.h"
DESTINATION "${include_install_dir}/uuid_v4")
install(FILES "endianness.h"
DESTINATION "${include_install_dir}/uuid_v4")
install(FILES "${project_config}" "${version_config}"
DESTINATION "${config_install_dir}")
install(EXPORT "${targets_export_name}"
NAMESPACE "${namespace}"
DESTINATION "${config_install_dir}")