diff --git a/CMakeLists.txt b/CMakeLists.txt index 16e9f960..4ae1d8bb 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,25 +1,57 @@ -cmake_minimum_required(VERSION 2.8) +cmake_minimum_required(VERSION 3.0) -project(json CXX) +# define the project +project(json VERSION 2.0.0 LANGUAGES CXX) -add_executable(json_unit - src/json.hpp test/catch.hpp test/unit.cpp -) +# define project variables +set(JSON_TARGET_NAME ${PROJECT_NAME}) +set(JSON_UNITTEST_TARGET_NAME "json_unit") +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") -if(MSVC) - set(CMAKE_CXX_FLAGS - "/EHsc" - ) +# create and configure the library target +add_library(${JSON_TARGET_NAME} INTERFACE) +target_include_directories(${JSON_TARGET_NAME} INTERFACE + $ + $) - STRING(REPLACE "/O2" "/Od" CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE}) +# create and configure the unit test target +add_executable(${JSON_UNITTEST_TARGET_NAME} + "test/catch.hpp" "test/unit.cpp") +set_target_properties(${JSON_UNITTEST_TARGET_NAME} PROPERTIES + CXX_STANDARD 11 + CXX_STANDARD_REQUIRED ON + COMPILE_DEFINITIONS "$<$:_SCL_SECURE_NO_WARNINGS>" + COMPILE_OPTIONS "$<$:/EHsc;$<$:/Od>>") +target_include_directories(${JSON_UNITTEST_TARGET_NAME} PRIVATE "test") +target_link_libraries(${JSON_UNITTEST_TARGET_NAME} ${JSON_TARGET_NAME}) - add_definitions(-D_SCL_SECURE_NO_WARNINGS) -else(MSVC) - set(CMAKE_CXX_FLAGS - "-std=c++11" - ) -endif(MSVC) +# generate a config and config version file for the package +include(CMakePackageConfigHelpers) +configure_package_config_file("cmake/config.cmake.in" + "${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) -include_directories( - src test -) +# 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 ${JSON_CONFIG_DESTINATION}) diff --git a/cmake/config.cmake.in b/cmake/config.cmake.in new file mode 100644 index 00000000..3ff97add --- /dev/null +++ b/cmake/config.cmake.in @@ -0,0 +1,6 @@ +@PACKAGE_INIT@ + +cmake_policy(PUSH) +cmake_policy(SET CMP0024 OLD) +include(${CMAKE_CURRENT_LIST_DIR}/@JSON_TARGETS_FILENAME@) +cmake_policy(POP) \ No newline at end of file