Tests/RunCMake/CXXModules/NoCXX.cmake - third_party/github.com/Kitware/CMake - Git at Google

 enable_language(C)

 add_library(nocxx)
 target_sources(nocxx
   PRIVATE
     sources/c-anchor.c
   PUBLIC
     FILE_SET fs TYPE CXX_MODULES FILES
       sources/module.cxx)
	enable_language(C)

	add_library(nocxx)
	target_sources(nocxx
	PRIVATE
	sources/c-anchor.c
	PUBLIC
	FILE_SET fs TYPE CXX_MODULES FILES
	sources/module.cxx)