Re: [ts-7000] Cross compiling - please Help!, qstring.h failed to compile in w/ target

[Manuel Soto <>]

El dom, 12-11-2006 a las 00:16 -0400, Manuel Soto escribiÃ:
> Hello,
>
> I'm very frustrated because a can't cross compile
> qt-embedded-free-3.3.4. I get the following error when
> "qt-embedded-free-3.3.4/src/.moc/release-shared-emb-arm/allmoc.cpp"
> is compiled:
>
> ...
> arm-linux-g++ -c -pipe -DQWS -fno-exceptions -fno-rtti -Wall -W -O2
> -fPIC -DQT_SHARED -DQT_NO_DEBUG -DQT_NO_NIS -DQT_NO_FREETYPE
> -DQT_NO_IMAGEIO_MNG -DQT_NO_IMAGEIO_JPEG -DQT_NO_STYLE_MAC
> -DQT_NO_STYLE_AQUA -DQT_NO_STYLE_INTERLACE -DQT_NO_STYLE_WINDOWSXP
> -DQT_NO_STYLE_COMPACT -DQT_NO_STYLE_POCKETPC -DQT_NO_QWS_VFB
> -DQT_NO_QWS_VNC -DQT_NO_QWS_VGA16 -DQT_NO_QWS_TRANSFORMED
> -DQT_NO_QWS_SNAP -DQT_NO_QWS_MACH64 -DQT_NO_QWS_VOODOO3
> -DQT_NO_QWS_MATROX -DQT_NO_QWS_SHADOWFB -DQT_NO_QWS_REPEATER
> -DQT_NO_QWS_KBD_SL5000 -DQT_NO_QWS_KBD_USB -DQT_NO_QWS_KBD_YOPY
> -DQT_NO_QWS_KBD_VR41 -DQT_NO_QWS_MOUSE_BUS -DQT_NO_QWS_MOUSE_LINUXTP
> -DQT_NO_QWS_MOUSE_VR41 -DQT_NO_QWS_MOUSE_YOPY
> -I/home/ts7300/qt-embedded-free-3.3.4/mkspecs/qws/linux-arm-g++ -I.
> -I3rdparty/freetype2/include -I3rdparty/libpng -I3rdparty/zlib
> -I../include -I.moc/release-shared-emb-arm/
> -o .obj/release-shared-emb-arm/allmoc.o .moc/release-shared-emb-arm/allmoc.cpp
> ../include/qstring.h: In member function 'ushort& QChar::unicode()':
> ../include/qstring.h:199: error: cannot bind packed field
> '((QChar*)this)->QChar::ucs' to 'ushort&'
> .....
>
> Steeps:
>
> 1.- expand
> $ tar -xzf qt-embedded-free-3.3.4-src.tar.gz
>
> 2.- host compile
> $ cd qt-embedded-free-3.3.4
> $ ./configure -plugin-gfx-qvfb
> $ make
>
> examples works
>
> 3.- crosscomiple
> $ ./configure -embedded arm -no-ipv6 -no-largefile -no-cups
>
> $ make clean
> $ make
>
> ... compile a lot of files
> ... BANG!!!
>
> I was working with 2 different cross compilers
>
> $ /usr/local/opt/crosstool/arm-linux/gcc-3.3.4-glibc-2.3.2/
> $ /opt/crosstool/gcc-4.0.1-glibc-2.3.5/arm-unknown-linux-gnu/
>
> I've update alternatives to switch each other.
>
> ==============
> update-alternatives \
> --install /usr/bin/arm-linux-gcc \
> arm-linux-gcc \
> /opt/crosstool/gcc-4.0.1-glibc-2.3.5/arm-unknown-linux-gnu/bin/arm-unknown-linux-gnu-gcc
>  \
> 100 \
> --slave /usr/bin/arm-linux-c++ arm-linux-c
> ++ 
> /opt/crosstool/gcc-4.0.1-glibc-2.3.5/arm-unknown-linux-gnu/bin/arm-unknown-linux-gnu-c++
>  \
> --slave /usr/bin/arm-linux-g++ arm-linux-g
> ++ 
> /opt/crosstool/gcc-4.0.1-glibc-2.3.5/arm-unknown-linux-gnu/bin/arm-unknown-linux-gnu-g++
>
> update-alternatives \
> --install /usr/bin/arm-linux-gcc \
> arm-linux-gcc \
> /usr/local/opt/crosstool/arm-linux/gcc-3.3.4-glibc-2.3.2/bin/arm-linux-gcc \
> 150 \
> --slave /usr/bin/arm-linux-c++ arm-linux-c
> ++ 
> /opt/crosstool/gcc-4.0.1-glibc-2.3.5/arm-unknown-linux-gnu/bin/arm-unknown-linux-gnu-c++
>  \
> --slave /usr/bin/arm-linux-g++ arm-linux-g
> ++ 
> /opt/crosstool/gcc-4.0.1-glibc-2.3.5/arm-unknown-linux-gnu/bin/arm-unknown-linux-gnu-g++
>
> update-alternatives --auto arm-linux-gcc
> =============
>
> Any help appreciated
>
> Environment:
> Ubuntu 6.10
>
> Linux version 2.6.17-10-generic (gcc version 4.1.2 20060928
> (prerelease) (Ubuntu 4.1.1-13ubuntu5)) #2 SMP Fri Oct 13 18:45:35 UTC
> 2006 (Ubuntu 2.6.17-10.33-generic)
>
> Manuel S
>

Believe or not, the problem occur because update-alternatives has a mix
in 3.3.4 arm-crosscompiler. The correct update-alternative is

ARM=/usr/local/opt/crosstool/arm-linux/\
gcc-3.3.4-glibc-2.3.2/bin/arm-linux

update-alternatives  \
  --install /usr/bin/arm-linux-gcc \
     arm-linux-gcc  $ARM-gcc \
    150 \
    --slave /usr/bin/arm-linux-c++  \
     arm-linux-c++ $ARM-c++  \
    --slave /usr/bin/arm-linux-g++  \
     arm-linux-g++\
   $ARM-g++


I did modify qglobal.h in order to avoid packing, but libstdc++.so.6 was
required in the ts7300. Actually all it's OK using gcc-3.3.4 which use
libstdc++.so.5


Manuel Soto




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