Tests/ComplexOneConfig/Executable/A.cxx - third_party/github.com/Kitware/CMake - Git at Google

 // Include code from a header that should not be compiled separately.
 #include "A.hh"

 #include <stdio.h>
 int main()
 {
   printf("#define A_VALUE %d\n", A());
   return 0;
 }
	// Include code from a header that should not be compiled separately.
	#include "A.hh"

	#include <stdio.h>
	int main()
	{
	printf("#define A_VALUE %d\n", A());
	return 0;
	}