Re: gtk-peer compile fixes for gcc-2.95

[Mark Wielaard]

Hi,

On Fri, 2004-04-09 at 17:21, Mark Wielaard wrote:
> On Fri, 2004-04-09 at 16:53, Archie Cobbs wrote:
> > Surely Classpath uses some non-POSIX functions (otherwise why would
> > _BSD_SOURCE be required on Linux?), so hopes are dim on this working.
>
> Thanks for the info, I came up with the above settings by trial and
> error. I hope they are as strict as needeed. There should indeed not be
> any non-POSIX-isms in the current source except when the build can
> detect that it is save to use in the build environment (that is why we
> use the autotools).

Just to make this more clear. Under ISO C 90 some newer C library
functions aren't available, so glibc correctly hides them. That is why
we need the _BSD_SOURCE defined on GNU systems when compiling with
-std=c89. It will define those newer ISO C/Posix functions that came
from old BSD and GNU systems and are always available there. If there is
another flag for use with BSD systems that enable these function
declarations under strict ISO C 90 rules we must add that to the
AM_CFLAGS.

Cheers,

Mark

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