Re: Better FreeBSD compatibility

[Sebastian Huber <sebastian dot huber at embedded-brains dot de>]

On 07/04/16 09:30, Corinna Vinschen wrote:
> On Apr  7 09:21, Corinna Vinschen wrote:
> > On Apr  6 12:04, Sebastian Huber wrote:
> > > Hello,
> > >
> > > in RTEMS we use the FreeBSD network stack and other components. I would like
> > > to make some Newlib headers (e.g. <sys/tyeps.h>, <sys/param.h> and
> > > <sys/time.h>) more compatible to FreeBSD so that we can use them directly.
> > > This involves changes like this:
> > >
> > > Change internal type from x to y, e.g. _off_t to __off_t.
> > >
> > > Change type define guard from x to y. e.g. __clockid_t_defined to
> > > _CLOCKID_T_DECLARED.
> > As long as you test that your changes don't break Cygwin it should
> > be ok.
> >
> > However, how sure can we be that Cygwin is the *only* target using
> > internal types outside the newlib tree?
> s/Cygwin is the *only* target/Cygwin and RTEMS are the *only* targets/
>
> What about something like
>
>    #define __off_t _off_t
>
> or
>
>    typedef _off_t __off_t;
>
> thus adding the missing type instead of changing it?

Ok, for types I will add a typedef for the FreeBSD type and keep 
existing types.

What about the internal guard defines?

--
Sebastian Huber, embedded brains GmbH

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