Tests/CustomCommandByproducts/ExternalLibraryByproducts.c - external/github.com/Kitware/CMake - Git at Google

 extern int ExternalLibrary(void);
 int main(void)
 {
   return (ExternalLibrary() + 1);
 }
	extern int ExternalLibrary(void);
	int main(void)
	{
	return (ExternalLibrary() + 1);
	}