[cfe-dev] cygwin #define bug?

Jordy Rose jediknil at belkadan.com
Tue Jul 27 22:08:44 PDT 2010

Probably related to PR7571 / this thread:

The gist of it is stddef.h is being included before _types.h, the
reinclude is caught by the header guard, and the __need_wint_t is ignored.
Does that match your situation?

Last I saw, the most correct proposed solution was moving the __need*
specifics outside the header guard, but of course that loses the
include-once optimization.

On Wed, 28 Jul 2010 11:57:12 +0800, Zhongxing Xu <xuzhongxing at gmail.com>
> Hi,
> In cygwin, _types.h file has the following define:
> #define __need_wint_t
> #include <stddef.h>
> But in stddef.h, __need_wint_t is not defined. I'm sure stddef.h is
> included. So the wint_t type is not defined. Why could this happen?

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