Tests/RunCMake/CXXModules/examples/unity-build/unity.h - third_party/github.com/Kitware/CMake - Git at Google

 #ifndef unity_h
 #define unity_h

 int unity1();
 int unity2();

 #endif
	#ifndef unity_h
	#define unity_h

	int unity1();
	int unity2();

	#endif