[Mesa-dev] [Bug 37637] unreal tournament crashes with mesa 7.11-dev

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Jan 20 06:57:11 PST 2013


--- Comment #9 from Tobias Jakobi <liquid.acid at gmx.net> ---
This still happens in mesa git master.

Im currently using the following setup:
(1) llvm is build with static libstdc++:
ldd doesn't show any ref to libstdc++ anymore, however nm confirm that libLLVM
is now exporting the dynamic_cast symbol

(2) mesa is build with shared llvm
Building with static libstdc++ doesn't seem to work here, since ldd shows that
r600g_dri.so still refs to libstdc++

What I find strange is that swrastg_dri.so works flawlessly, even though it
also refs to _both_ libLLVM and libstdc++.

I'm also attaching two gdb backtraces. One without any preloading (crashing
results from static initialization inside r600g), and one with llvm preloading
(crashing results because ut2003's Core.so now uses dynamic_cast from libLLVM).

I think the crashes would go away if one could hide the libstdc++ symbols that
reside in libLLVM. Any ideas how to tackle this?


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