[Bug preprocessor/48865] It would be useful to have a way to check the value of a #define at preprocessing time

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48865

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-05-04 17:10:49 UTC ---
Or, as I've just done, learn how to do it in your favourite editor. For mine
(vim) it's [i to display the value and [^i to jump to the definition, which
seems at least as good as the IDE you mention, and much quicker than changing
the code and compiling it.