1
0
mirror of https://github.com/nlohmann/json synced 2024-12-29 11:51:09 +00:00
nlohmannjson/CMakeLists.txt

101 lines
3.1 KiB
CMake
Raw Normal View History

cmake_minimum_required(VERSION 3.0.0)
2015-04-26 20:47:40 +00:00
##
## PROJECT
## name and version
##
2017-12-29 17:31:13 +00:00
project(nlohmann_json VERSION 3.0.1 LANGUAGES CXX)
2015-04-26 20:47:40 +00:00
##
## OPTIONS
##
option(JSON_BuildTests "Build the unit tests when BUILD_TESTING is enabled." ON)
##
## CONFIGURATION
##
set(NLOHMANN_JSON_TARGET_NAME ${PROJECT_NAME})
set(NLOHMANN_JSON_SOURCE_DIR "src/")
set(NLOHMANN_JSON_CONFIG_INSTALL_DIR "lib/cmake/${PROJECT_NAME}")
set(NLOHMANN_JSON_INCLUDE_INSTALL_DIR "include")
set(NLOHMANN_JSON_HEADER_INSTALL_DIR "${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}/nlohmann")
set(NLOHMANN_JSON_TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
set(NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE "cmake/config.cmake.in")
set(NLOHMANN_JSON_CMAKE_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}/cmake_config")
set(NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
set(NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Config.cmake")
2015-04-26 20:47:40 +00:00
##
## TARGET
## create target and add include path
##
add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE)
target_include_directories(
${NLOHMANN_JSON_TARGET_NAME}
INTERFACE
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>
$<INSTALL_INTERFACE:include>
)
2017-11-26 09:31:33 +00:00
2017-11-30 12:26:45 +00:00
## add debug view defintion file for msvc (natvis) [cmake <= 3.2.2 does not support export of source files]
2017-11-28 22:43:39 +00:00
if (MSVC AND CMAKE_VERSION VERSION_GREATER "3.2.2")
2017-11-30 12:26:45 +00:00
set(NLOHMANN_ADD_NATVIS TRUE)
set(NLOHMANN_NATVIS_FILE "nlohmann_json.natvis")
2017-11-28 22:43:39 +00:00
target_sources(
${NLOHMANN_JSON_TARGET_NAME}
INTERFACE
2017-11-30 12:26:45 +00:00
$<INSTALL_INTERFACE:${NLOHMANN_NATVIS_FILE}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/${NLOHMANN_NATVIS_FILE}>
2017-11-28 22:43:39 +00:00
)
endif()
2017-11-26 09:31:33 +00:00
##
## TESTS
## create and configure the unit test target
##
include(CTest) #adds option BUILD_TESTING (default ON)
if(BUILD_TESTING AND JSON_BuildTests)
enable_testing()
include_directories(${NLOHMANN_JSON_SOURCE_DIR})
add_subdirectory(test)
endif()
##
## INSTALL
## install header files, generate and install cmake config files for find_package()
##
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE} COMPATIBILITY SameMajorVersion
)
configure_package_config_file(
${NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE}
${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE}
INSTALL_DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)
install(
DIRECTORY ${NLOHMANN_JSON_SOURCE_DIR}
DESTINATION ${NLOHMANN_JSON_HEADER_INSTALL_DIR}
)
install(
FILES ${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE} ${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)
2017-11-30 12:26:45 +00:00
if (NLOHMANN_ADD_NATVIS)
install(
FILES ${NLOHMANN_NATVIS_FILE}
DESTINATION .
)
endif()
install(
TARGETS ${NLOHMANN_JSON_TARGET_NAME}
EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
INCLUDES DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
)
install(
EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
2017-11-30 12:37:58 +00:00
)