[maemo-developers] [maemo-developers] Failure to compile Qt 3.3.5, Infinite loop in qemu-arm, bug in qemu-arm or gcc ?

From: Benno Senoner gnsbenno at lineakom.com
Date: Sun Feb 26 19:49:59 EET 2006
Hi,
I installed scratchbox and the maemo sdk as described on the maemo site.

I can compile the hello-gtk example and other apps without problems.

I tried to compile Qt 3.3.5 from source:

ftp://ftp.trolltech.com/qt/source/qt-x11-free-3.3.5.tar.bz2


I installed 2 toolchains:

http://www.scratchbox.org/download/files/sbox-releases/0.9.8/tarball/scratchbox-toolchain-arm-glibc-0.9.8.5.tar.gz

and

http://www.scratchbox.org/download/files/sbox-releases/0.9.8/tarball/scratchbox-toolchain-arm-gcc3.4.cs-glibc-0.9.8.5.tar.gz


With the first toolchain (gcc 3.3)  I can
run Qt's
./configure  and then when I issue make
the compilation starts and  libqt-3.3.5.so seems to get built successfully.
Afterwards it tries to build  Qt designer and at some point  uic hangs 
indefinitely ,
While the host box is relatively slow  VIA Nehemiah 1GHz , i686 
compatible  I let the make process run
for over a day but it seems it gets in some kind of infinite loop.

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
13373 sbox      35  10 84164 9232   76 R 84.9  4.1   2008:30 qemu-arm

while compiling this file:

/home/sbox/qt-3.3.5/qt-x11-free-3.3.5/bin/uic -L 
/home/sbox/qt-3.3.5/qt-x11-free-3.3.5/plugins pixmapfunction.ui -o 
pixmapfunction.h

What could the cause be ?
A bug in gcc that generates erratic code which makes the uic code loop 
forever or could it be a bug in qemu-arm which causes this loop ?

I tried with the gcc-3.4 toolchain but in that case I cannot even run 
configure since it says missing libstdc++.
Any idea how I can compile Qt using the gcc-3.4 toolchain ?

Since Opera is a Qt app and is installed on the Nokia 770 I assume the 
Opera guys found a way to compile Qt.

thanks in advance for your help,,

cheers,
Benno



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