diff --git a/CMakeLists.txt b/CMakeLists.txt index 51d85429e..031a66f23 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -22,13 +22,15 @@ option(JSON_MultipleHeaders "Use non-amalgamated version of the library." OFF) ## CONFIGURATION ## set(NLOHMANN_JSON_TARGET_NAME ${PROJECT_NAME}) -set(NLOHMANN_JSON_CONFIG_INSTALL_DIR "lib/cmake/${PROJECT_NAME}") +set(NLOHMANN_JSON_CONFIG_INSTALL_DIR "lib/cmake/${PROJECT_NAME}" + CACHE INTERNAL "") set(NLOHMANN_JSON_INCLUDE_INSTALL_DIR "include") set(NLOHMANN_JSON_TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets") set(NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE "cmake/config.cmake.in") -set(NLOHMANN_JSON_CMAKE_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}/cmake_config") +set(NLOHMANN_JSON_CMAKE_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}") 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") +set(NLOHMANN_JSON_CMAKE_PROJECT_TARGETS_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Targets.cmake") if (JSON_MultipleHeaders) set(NLOHMANN_JSON_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/include/") @@ -43,7 +45,7 @@ endif() ## create target and add include path ## add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE) - +add_library(${PROJECT_NAME}::${NLOHMANN_JSON_TARGET_NAME} ALIAS ${NLOHMANN_JSON_TARGET_NAME}) target_compile_features(${NLOHMANN_JSON_TARGET_NAME} INTERFACE cxx_std_11) target_include_directories( @@ -104,6 +106,11 @@ if (NLOHMANN_ADD_NATVIS) DESTINATION . ) endif() +export( + TARGETS ${NLOHMANN_JSON_TARGET_NAME} + NAMESPACE ${PROJECT_NAME}:: + FILE ${NLOHMANN_JSON_CMAKE_PROJECT_TARGETS_FILE} +) install( TARGETS ${NLOHMANN_JSON_TARGET_NAME} EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME} @@ -111,5 +118,6 @@ install( ) install( EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME} + NAMESPACE ${PROJECT_NAME}:: DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR} ) diff --git a/cmake/config.cmake.in b/cmake/config.cmake.in index b4fd29d99..8baabf07c 100644 --- a/cmake/config.cmake.in +++ b/cmake/config.cmake.in @@ -1,3 +1,5 @@ @PACKAGE_INIT@ -include("${CMAKE_CURRENT_LIST_DIR}/@NLOHMANN_JSON_TARGETS_EXPORT_NAME@.cmake") +if(NOT TARGET @PROJECT_NAME@::@NLOHMANN_JSON_TARGET_NAME@) + include("${CMAKE_CURRENT_LIST_DIR}/@NLOHMANN_JSON_TARGETS_EXPORT_NAME@.cmake") +endif() check_required_components("@PROJECT_NAME@")