Re: [Texmacs-dev] Segmentation fault with gcc 3.2

[Joris van der Hoeven]

> So I've now rebuilt guile-1.4 and TeXmacs-1.0.0.20 with compat-gcc package:
> 
> $ strings -a TeXmacs-1.0.0.20/bin/texmacs.bin|grep GCC|sort|uniq
> GCC: (GNU) 2.96 20000731 (Red Hat Linux 7.3 2.96-110)
> GCC: (GNU) 3.2 20021021 (Red Hat Linux 8.0 3.2-11)
> 
> $ strings -a /usr/lib/libguile.so.9.0.0 |grep GCC|sort|uniq
> GCC: (GNU) 2.96 20000731 (Red Hat Linux 7.3 2.96-110)
> GCC: (GNU) 3.2 20021021 (Red Hat Linux 8.0 3.2-11)
>
> In this configuration fully-optimized TeXmacs is stable (at least in my tests)
> both statically and dynamically linked.

Thanks for this information.
With which gcc did you build the other libraries.

> If TeXmacs is otherwise built optimized using GCC-3.2 then it crashes.

Does this mean that you only built TeXmacs using g++-3.2 or also Guile?
What happens if you build TeXmacs using g++-3.2 but not Guile?

> The crash is after the sequience of "document->update->all" which rebuilds
> TOC, fails to rebuild bibliography, and somehow manages to overwrite math 
> formula
> tags and contents with mostly zero-bytes and garbage (I also looked at the 
> saved
> document) - ergo there should be some kind of memory corruption.

Anybody knows about a good way to debug memory corruptions?