[GAP Forum] XGap on OSX Mojave

[Horn, Max, Prof. Dr.]

Dear Bryan,

> On 12. Apr 2019, at 16:08, Bryan Dunphy <bryandunphy at gmail.com> wrote:
> 
> Hi,
> 
> I have been trying to install the xgap package according to the README
> included in the xgap-4.29/ subdirectory. However, when I try to run the
> xgap.sh startup script in the terminal it waits for XQuartz to start up and
> then simply displays the following output:
> 
> "open master failed"

Thank you for this report. This is indeed a bug in xgap. I will fix it as soon
as possible, make a release, and notify once it is available.

I also noticed an incompatibility with the upcoming GAP 4.11, which I will also fix.


Best wishes,
Max

> 
> I am using the most recent version of XQuartz which is 2.7.11 and Gap
> 4.10.1. I am running macOS 10.14.3 Mojave.
> 
> I have looked through the config.log that creates the makefile for xgap and
> the PATH variable seems to be pointing to the right place for the X11
> installation.
> 
> Perhaps I am missing something obvious but I was hoping someone else may
> have had this issue and could suggest where I am going wrong?
> 
> The main reason I am trying to activate xgap is to use the Interactive Todd
> Coxeter (itc) package which depends on xgap. If there was another way to
> use the itc package I would also be open to that suggestion.
> 
> Many thanks for your help,
> Bryan
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-- 
Prof. Dr. Max Horn
University of Siegen
Department of Mathematics
Emmy Noether Campus
Walter-Flex-Straße 3
57072 Siegen
Tel. (+49) 271 740-2868
E-Mail: max.horn at uni-siegen.de