Tests/RunCMake/execute_process/exe_extension.c - third_party/github.com/Kitware/CMake - Git at Google

 #include <stdio.h>

 int main(void)
 {
   printf("This executable has an extension\n");
   return 0;
 }
	#include <stdio.h>

	int main(void)
	{
	printf("This executable has an extension\n");
	return 0;
	}