Test for JSON before using it

[simgrid.git] / tools / cmake / Modules / nlohmann_jsonConfig.cmake

diff --git a/tools/cmake/Modules/nlohmann_jsonConfig.cmake b/tools/cmake/Modules/nlohmann_jsonConfig.cmake
new file mode 100644 (file)
index 0000000..27b0a86
--- /dev/null
+++ b/tools/cmake/Modules/nlohmann_jsonConfig.cmake
@@ -0,0 +1,15 @@
+include(FindPackageHandleStandardArgs)
+set(${CMAKE_FIND_PACKAGE_NAME}_CONFIG ${CMAKE_CURRENT_LIST_FILE})
+find_package_handle_standard_args(nlohmann_json CONFIG_MODE)
+
+if(NOT TARGET nlohmann_json::nlohmann_json)
+    include("${CMAKE_CURRENT_LIST_DIR}/nlohmann_jsonTargets.cmake")
+    if((NOT TARGET nlohmann_json) AND
+       (NOT nlohmann_json_FIND_VERSION OR
+        nlohmann_json_FIND_VERSION VERSION_LESS 3.2.0))
+        add_library(nlohmann_json INTERFACE IMPORTED)
+        set_target_properties(nlohmann_json PROPERTIES
+            INTERFACE_LINK_LIBRARIES nlohmann_json::nlohmann_json
+        )
+    endif()
+endif()