Fix wrong condition for warning CMAKE_CXX_EXTENSION

vitaut · Jul 25, 2023 · 301039a · 301039a
1 parent 963f66e
commit 301039a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/modules.cmake b/modules.cmake
@@ -37,7 +37,7 @@
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
   if (NOT DEFINED CMAKE_CXX_EXTENSIONS)
     set(CMAKE_CXX_EXTENSIONS OFF)
-  elseif (NOT CMAKE_CXX_EXTENSIONS)
+  elseif (CMAKE_CXX_EXTENSIONS)
     message(
       WARNING
       "Clang requires CMAKE_CXX_EXTENSIONS to be set to false to use modules.")