On Mon, Jan 02, 2012 at 05:02:27AM +0100, Nicolas FRANCOIS wrote:
> Hi.
>
> I'd like to use the generic Schreier-Sims package (genss) on my Debian
> computer. But LoadPackage("genss"); fails.
>
> I tried to install genss and orb packages manually (they don't seem to
> be included in the Debian archives), in /usr/share/gap/pkg/, but the
> problem remains.
Dear Nicolas,
Sorry for the late answer.
First you should read the file /usr/share/doc/gap/README.Debian.
You can install extension packages either
* in /usr/local/share/gap or /usr/local/lib/gap.
* in ~/gap.
Note they must be put in a sub-directory called pkg.
For example, the FactInt package provide a factint directory that must be moved
to ~/gap/pkg/factint or /usr/local/share/gap/factint
Otherwise the procedure is the same as for installing GAP package to a
regular GAP installation. So you need to install dependent packages first.
I suggest you start by installing the GAPDoc package since it is an easy one.
When you start gap, it should display:
Packages: GAPDoc 1.3 loaded.
You will also need to install io. Beware that this require compilation.
You should install the Debian package 'gap-dev' first.
io provide a configure script. You should run it as follow
cd pkg/io
./configure /usr/share/gap
Unfortunately the Makefile need to be modified a bit because it looks for gac
in /usr/share/gap/bin/x86_64-pc-linux-gnu-x86_64-linux-gnu-gcc/gac while in
Debian, gac is in the PATH. So replace
/usr/share/gap/bin/x86_64-pc-linux-gnu-x86_64-linux-gnu-gcc/gac by gac.
and run make.
You should get a file
bin/x86_64-pc-linux-gnu-x86_64-linux-gnu-gcc/io.so
Now, if you start gap, it should display
Packages: GAPDoc 1.3, IO 3.3 loaded.
Now you can install orb and genss. They are not autoloaded, so you must load
them manually:
gap> LoadPackage("orb");
----------------------------------------------------------------------------------------------
Loading orb 3.8 (orb - Methods to enumerate orbits)
by Juergen Mueller (http://www.math.rwth-aachen.de/~Juergen.Mueller),
Max Neunhoeffer (http://www-groups.mcs.st-and.ac.uk/~neunhoef), and
Felix Noeske (http://www.math.rwth-aachen.de/~Felix.Noeske).
----------------------------------------------------------------------------------------------
true
gap> LoadPackage("genss");
----------------------------------------------------------------------------------------------
Loading genss 1.3 (genss - generic Schreier-Sims)
by Max Neunhoeffer (http://www-groups.mcs.st-and.ac.uk/~neunhoef) and
Felix Noeske (http://www.math.rwth-aachen.de/~Felix.Noeske).
----------------------------------------------------------------------------------------------
true
If you like more Debian GAP package, please help me! It is a huge work.
Cheers,
Bill.
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