David Reiser wrote:
When I've had 'undefined symbols' problems with Qt, it has been because
I was mixing gcc 3.3 and 4.0. The trolltech docs mention that qt-3.3.5
added support for gcc 4, but all the other 3.x.x qt's required compiling
with gcc 3.x. I'm a bit fuzzy on this, but I think the qt-3.3.5 cross
platform version in fink still asks for gcc 3.3. The qt libraries, if
generated by gcc 3.3, are definitely incompatible as links to/with gcc 4
compiled code.
Try switching your compiler to gcc 3.3 to see if the symbols problems go
away.
Yes. At least the C++ compiler needs to be 3.3. All packages in the
10.4-transitional tree are compiled with g++-3.3 as C++ compiler. The
message
/usr/bin/ld: Undefined symbols:
typeinfo for QPtrCollection
is typical for the incompatibility between g++-3.3 and g++-4.0.
When the 10.4 (non-transitional) tree opens, it is possible that qt3mac
will use g++-4.0 as compiler and you can then use g++-4.0 for your projects.
--
Martin
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