On Wed, 11 Apr 2012 18:19:58 -0700 Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > #define IS_DEFINED(x) (__stringify(CONFIG_##x)[0]=='1') > > That really is a piece of art. I'm expecting that the Guggenheim will > contact me any moment now about it. Several weeks ago I asked the assemblage if anyone could think of a way of doing this. It seems that I failed to Cc sufficiently perverted parties. > Of course, the above does *not* work for a pre-processor, but hey, you > can't have everything. It literally is *only* valid in C code. You > can't have everything. So we shouldn't call it IS_DEFINED() - that would cause confusion with the old version. -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
