I'm upgrading from 1.14 to 2.2, building from the CVS sources. I'm really interested in the TopFish visualization technique, but also in just laying out small graphs (up to 100 nodes), to understand the protein interaction network in humans. GraphViz is still the best tool I've come across for quickly laying out that kind of graph, and allowing me to customization the decoration according to various kinds of biological information. I've been using graphviz for a number of years (Stephen North even wrote us a letter of support for a grant application a year or two back - that was in connection with using graphviz to visualize multigraphs). I'd be really glad to have some kind of fix.

I noticed from reading the earlier bug reports, that I'm not the only one who encountered this problem. Like the previous user (bug #595), I'm using gcc 2.95.x (x=4 in my case), I'm not really interested in upgrading, so looking for a fix.

Thanks in advance,

-Frank Gibbons
Input:

graph g {
two -- one
}

With gcc problems, you might try compiling everything without -O and if that does the trick, then figure out which file in particular tickles the gcc bug. I can't remember the likely suspects any more (at least for neato; in dot it was generally the spline fitting functions). It's been a long time since I followed the area but there used to be alternatives to gcc, such as lcc and of course if you want to spend real money there's Comeau, Intel, etc.
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