I think the second error I had is because mingw didn't finish to compile because of the checksum error in libpng. I compiled it during the night, I didn't see the result since my computer shut down automatically, but since I could do the following step I though it was installed.
On 2011-03-11 14:31, Daniel Stonier wrote: > On 11 March 2011 07:16, Morgan Cormier <MCormier@coroware.com> wrote:
> > Hi,
> > I am interested in doing a Qt interface with ROS and found this tutorial which does exactly what I want :
> > http://www.ros.org/wiki/mingw_cross/Tutorials/cross_platform_qt_ros > >
> > I experience some problems during the installation. When i compile mingw_cross (roscd mingw_cross;make) the compilation stop after downloading libpng, it says that the checksum is wrong.
> > I installed it using : http://mingw-cross-env.nongnu.org/ and could finally do all the steps in the tutorial.
> > Another problem occured at this point, I couldn't compile because of this error :
> > /opt/mingw/usr/i686-pc-mingw32/lib/libboost_signals-mt.a: member /opt/mingw/usr/i686-pc-mingw32/lib/libboost_signals-mt.a(trackable.o) in archive is not an object
> > Do you know how to solve this problem?
> > Thank you,
> Just a quick reply before I crash for the night - will look at it
> again tomorrow.
> libpng checksum : we found a couple of broken link problems like this
> a couple of weeks ago, but that was because we were using mingw_2.16
> which was a bit dated. I upgraded the links in eros to actually use
> that tarball you downloaded (version 2.18), so can you make sure you
> reinstall, or at least svn update your eros again? We've fixed one or
> two other bugs in the meantime as well that you might need.
> The latter problem is a bit harder - I haven't come across that one
> before. Some links that might be relevant:
> http://www-01.ibm.com/support/docview.wss?rs=4036 _______________________________________________
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