[tlbuild] asymptote-2.56 in tl sources

[John Bowman]

Hi Ken,
Actually, we have always used the win32api, not the X11 headers. All I did
was simplify the build process
to make it easier for others, avoiding the need to move /usr/include/GL out
of the way.
I'll look at your patch to see if there is a way to compile against X11; I
don't have X11 installed in cygwin so it may take some work.

Re: your glew additions: TeXLive has specifically requested that glew be
explicitly compiled in, using the included glew.c source
instead of the GLEW library.

-- John

On Wed, Oct 9, 2019 at 1:46 PM Ken Brown <kbrow1i at gmail.com> wrote:

> On 10/6/2019 4:04 PM, Karl Berry wrote:
> > John (Bowman) has made more efforts to ease the asymptote build. The
> > current release (2.56) is in the TeX Live source tree now. If you have a
> > chance, please try it. (But don't commit new binaries anywhere -- we
> > won't update the released TL until next year.) --thanks, karl.
>
> John,
>
> Commit 05f68ab80e7caa521c967b32ba672fa58bcaae3c in the asymptote git repo
> changed the Cygwin build to use the Win32 API instead of the POSIX API.  I
> assume this was done for builds that use Cygwin as a tool for building an
> MS-Windows asymptote, but it breaks the ordinary Cygwin build (both for
> the
> Cygwin distribution and for native TeX Live).
>
> Can you make the two builds co-exist again?  I was able to do the ordinary
> Cygwin build by using the attached patch, but it probably breaks the other
> use case.
>
> Ken
>
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