[tlbuild] asymptote build

[Philipp Stephani]

Philipp Stephani schrieb:
>> All I can say is, we're doing the best we can.  If "phst" can provide
>> asy binaries that with the libraries statically linked and opengl
>> enabled on any of the dozen or so platforms we ship, then great, please
>> send them to me.  I don't argue that that would be a better way.
> 
> I managed to build Asymptote with FFTW and GSL statically linked.  ld
> accepts files names as an alternative to library names, so we can say we
> want libgsl.a instead of libgsl.so.  The attached patch for configure.ac
> works for me.

...but I have to add that I have very little experience with the GNU
toolchain, so please someone who knows how to write autoconf files have
a look at that.  I just modified the command line parameter and copied
the missing part to the line dealing with fftw.  Also I don't know how
to do this on Windows.