If you look at ${WRKSRC}/libexslt/date.c, you will see the problem.
It looks for localtime_r via #ifdef _HAS_LOCALTIME_R (or something
like that).
Then, if it has it, it defines _POSIX_SOURCE (not POSIX_C_SOURCE, and
not with any version number).

I don't understand the logic behind checking for the availability of a
function and then invoking its feature test afterward.  At any rate, I
just didn't know what the appropriate definition to do this properly
was.  I didn't define _REENTRANT beacuse it was a threaded
application, just because it was one way to pull that in for date.c.

What is the appropriate, portable way to do this?

Regards,

--Blair

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