[tlbuild] some executable inconsistencies

[Vladimir Volovich]

"KB" == Karl Berry writes:

 KB>     i386-cygwin: (*) missing symlink: xasy ->
 KB> ../../texmf/asymptote/GUI/xasy.py

 KB> I'm not sure that X runs on Cygwin.  Ken?

> there are X11-dependent binaries in i386-cygwin, such as xdvi-xaw.exe.
> so i assumed that cygwin is X11-aware.

OTOH, it could be that i386-cygwin/asy.exe was built without X11
support, in which case xasy won't work.

Best,
v.