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mirror of https://github.com/nlohmann/json synced 2024-12-26 18:41:03 +00:00
nlohmannjson/CMakeLists.txt
2016-07-31 13:37:04 +02:00

55 lines
2.0 KiB
CMake

cmake_minimum_required(VERSION 3.0)
# define the project
project(nlohmann_json VERSION 2.0.2 LANGUAGES CXX)
enable_testing()
option(BuildTests "Build the unit tests" ON)
# define project variables
set(JSON_TARGET_NAME ${PROJECT_NAME})
set(JSON_PACKAGE_NAME ${JSON_TARGET_NAME})
set(JSON_TARGETS_FILENAME "${JSON_PACKAGE_NAME}Targets.cmake")
set(JSON_CONFIG_FILENAME "${JSON_PACKAGE_NAME}Config.cmake")
set(JSON_CONFIGVERSION_FILENAME "${JSON_PACKAGE_NAME}ConfigVersion.cmake")
set(JSON_CONFIG_DESTINATION "cmake")
set(JSON_INCLUDE_DESTINATION "include/nlohmann")
# create and configure the library target
add_library(${JSON_TARGET_NAME} INTERFACE)
target_include_directories(${JSON_TARGET_NAME} INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
$<INSTALL_INTERFACE:${JSON_INCLUDE_DESTINATION}>)
# create and configure the unit test target
if (BuildTests)
add_subdirectory(test)
endif()
# generate a config and config version file for the package
include(CMakePackageConfigHelpers)
configure_package_config_file("cmake/config.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/${JSON_CONFIG_FILENAME}"
INSTALL_DESTINATION ${JSON_CONFIG_DESTINATION})
write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/${JSON_CONFIGVERSION_FILENAME}"
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion)
# export the library target and store build directory in package registry
export(TARGETS ${JSON_TARGET_NAME}
FILE "${CMAKE_CURRENT_BINARY_DIR}/${JSON_TARGETS_FILENAME}")
export(PACKAGE ${JSON_PACKAGE_NAME})
# install library target and config files
install(TARGETS ${JSON_TARGET_NAME}
EXPORT ${JSON_PACKAGE_NAME})
install(FILES "src/json.hpp"
DESTINATION ${JSON_INCLUDE_DESTINATION})
install(EXPORT ${JSON_PACKAGE_NAME}
FILE ${JSON_TARGETS_FILENAME}
DESTINATION ${JSON_CONFIG_DESTINATION})
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${JSON_CONFIG_FILENAME}"
"${CMAKE_CURRENT_BINARY_DIR}/${JSON_CONFIGVERSION_FILENAME}"
DESTINATION ${JSON_CONFIG_DESTINATION})