configure error from arts and qt

[Martin Fahrendorf]

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Am Montag, 30. Dezember 2002 16:12 schrieb Francis Bouchard:
> I get this error message during the configure script :
>
> checking if STL implementation is SGI like... no
> checking if STL implementation is HP like... no
> configure: error: "no known STL type found - did you forget to
> install libstdc++-devel ?"
>
> I have RedHat 7.2 and have just upgraded to gcc-3.0.4, libstdc++3
> and libstdc++3-devel are installed.
>
> And I get this error message when I want to configure a program
> that uses QT
>
>
> checking for Qt... configure: error: Qt (>= Qt 3.0.3) (library
> qt-mt) not found. Please check your installation!
> For more details about this problem, look at the end of config.log.
> Make sure that you have compiled Qt with thread support!
>
> Qt 3.0.5 and Qt-3.0.5-devel are installed, the directory containing
> libqt-mt.so is in /etc/ld.so.conf.
>

This seems to be a problem with gcc 2.96 and 3.0. If you upgrade to 
3.0 you have to upgrade _every_ library and programm which uses C++. 
Some Distributions uses both library versions parallel, so your 
compiled qt programs will run but you can not compile programs with 
gcc 3.0 and a qt library which is compiled with a other gcc version.

What to do? my tip: update to gcc 3.2 (which is binary incompatible to 
3.1 and 3.0 and 2.*) recompile qt with gcc 3.2 (or install a 
precompile qt) and recompile all kde and qt programs. 

Of course you can upgrade your whole system to RH8.0 or change to 
mdk9.0 which both uses the gcc3.2 version.

Martin
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