ndk/apps/unit-tests/test-LOCAL_CFLAGS/test-LOCAL_CFLAGS-2.cpp

#if !defined(BANANA)
#  error LOCAL_CFLAGS does not work for C++ source file
#endif
#if BANANA != 100
#  error LOCAL_CFLAGS does not work correctly for C++ source file
#endif

void  __banana_foo2(void)
{
}