Merge pull request #2222 from alexreinking/patch-1

Enable CMake policy CMP0077
nlohmann · Jun 27, 2020 · 1af4f5f · 1af4f5f
2 parents c5ee222 + ec43371
commit 1af4f5f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -15,6 +15,12 @@ include(ExternalProject)
 ##
 ## OPTIONS
 ##
+
+if (POLICY CMP0077)
+    # Allow CMake 3.13+ to override options when using FetchContent / add_subdirectory.
+    cmake_policy(SET CMP0077 NEW)
+endif ()
+
 option(JSON_BuildTests "Build the unit tests when BUILD_TESTING is enabled." ON)
 option(JSON_Install "Install CMake targets during install step." ON)
 option(JSON_MultipleHeaders "Use non-amalgamated version of the library." OFF)