So, if I understand this correctly: Currently there is no way to use matroid functionality in tropical - but there will be?

I have a problem when trying to include functionality from the application matroid in my extension. I have a main.rules file for tropical that includes a "USE matroid" clause at the beginning. When I start polymake it complains Loading applications now...polymake: ERROR: "/home/hampe/...

Wonderful, that fixed it! Thank you very much!

I have to revise my position from the last post: The problem is NOT restricted to my own laptop. Thomas Markwig tried to run my extension under polymake 2.9.10 on his own Kubuntu Natty laptop and had the exact same problem. So it seems this is not a personal issue with some installation mess-up, but...

There seems to be a bug in matroid::matroid_from_graph: When I generate the complete graph on 5 nodes and its matroid via @adj=(); for($i = 0; $i < 5; $i++) { @adj = (@adj, sequence(0,5)-$i); } $g = new graph::Graph(N_NODES=>5,ADJACENCY=>\@adj); $m = matroid::matroid_from_graph($g); I get a matroid ...

I tried installing gcc-4.4.3 (which is the same I run on my office PC, where everything works) in the same manner Michael Joswig suggested. I get exactly the same problem (i.e. I have to specify LDFLAGS because it doesn't find the libgcc). I suppose I'm simply not experienced enough in compiling com...

Got it working! Thanks to your hint, I looked into the config.log and found out that gcc was simply not finding libgcc, so I had to add an LDFLAGS="-L/usr/local/lib/gcc/x86_64-unknown-linux-gnu/lib64/". Afterwards, when running "sh -c ...", it still warned me that the architectur...

1) cat /proc/cpuinfo yields two processors, both with the following properties: vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU T8300 @ 2.40GHz 2) ~/bin/polymake/polymake-2.10/build.x86_64/external/nauty$ /usr/local/bin/gcc-4.4.6 -v Using built-in specs. Ta...

The result was

I tried the following on the workshop version AND the new release 2.10: I reverted my /usr/bin/gcc(and g++) and installed gcc-4.4.6 as suggested. I ran ./configure CC=/usr/local/bin/gcc-4.4.6 CXX=/usr/local/bin/g++-4.4.6 LDFLAGS="-L/usr/local/lib/gcc/x86_64-unknown-linux-gnu/lib64/" (the L...