Please have a look at the threads
[Fink-users] unixodbc2-2.2.11-10 failed [Fink-users] scribus compilation fails [Fink-users] Re: inkscape fails [Fink-beginners] Problem compiling latest version of xdrawchem [Fink-users] coot compilation failed
from the last few days. They all have in common that ld fails with errors of the form
ld: Undefined symbols: typeinfo for QPtrCollection
The symbols vary, they are often from libqt-mt, but also from various libgtkmm* and other dylibs. Fink is the latest, and g++ is g++-3.3.
In the case of scribus, I have verified that the problem disappears when I remove the new default -fabi-version=1 CXX flag from PkgVersion.pm.
I don't know if some other factor comes into this, but it is not OSX 10.3.9 nor the version of gcc (except gcc-4 where we have seen the same problem earlier) nor ld or dyld.
This seems to indicate that contrary to the documentation, -fabi-version=1 is not the default for g++-3.3, and that -fabi-version=1 creates binary incompatibilities. I have not yet tried (don't have the time) if recompiling the concerned dylibs with the -fabi-version=1 flag solves the problem. It wouldn't solve it actually, because this would mean that we have to recompile basically everything that involves g++. Not what the abi-version flag was intended for...
-- Martin
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