Tests/RunCMake/CXXModules/examples/unity-build/unity1.cxx - third_party/github.com/Kitware/CMake - Git at Google

 #include "unity.h"

 #define DETECT_UNITY

 int unity1()
 {
   return 0;
 }
	#include "unity.h"

	#define DETECT_UNITY

	int unity1()
	{
	return 0;
	}