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[cgal-discuss] Re: Problems making CGAL demos - libQtOpenGL - on Ubuntu 11.10


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  • From: stupormundi <>
  • To:
  • Subject: [cgal-discuss] Re: Problems making CGAL demos - libQtOpenGL - on Ubuntu 11.10
  • Date: Mon, 23 Apr 2012 19:32:37 -0700 (PDT)

Hi Sebastien, thanks for pointing out apt-file find, that did shed some
light.

It turned out that I had a duplicate entry in sources.list for
http://archive.canonical.com/ubuntu/ oneiric/partner, one for amd64 and one
for i386.

After removing the i386 entry, I uninstalled CGAL and re-installed. Also I
tried to uninstall all libQtOpenGL related stuff, but then didn't, because
it would have meant to uninstall loads of other stuff that depends on it.

Apt-file find showed that my libQtOpenGL.so isn't in /usr/lib/ , but instead
I have :

$ apt-file find libQtOpenGL.so
libqt4-dbg: /usr/lib/debug/usr/lib/x86_64-linux-gnu/libQtOpenGL.so.4.7.4
libqt4-opengl: /usr/lib/x86_64-linux-gnu/libQtOpenGL.so.4
libqt4-opengl: /usr/lib/x86_64-linux-gnu/libQtOpenGL.so.4.7
libqt4-opengl: /usr/lib/x86_64-linux-gnu/libQtOpenGL.so.4.7.4
libqt4-opengl-dev: /usr/lib/x86_64-linux-gnu/libQtOpenGL.so

I tried apt-get install on those libs, it turned out that they are already
installed.

I wonder now if this different location of those libs is because I'm on 64
bit or because I had the duplicate entry in the sources.list ?

If necessary, I'll uninstall and re-install the libQtOpenGL libs, but at the
moment I'm not sure if those files will really show up in /usr/lib/ if I do,
and it would mean to uninstall lots of other stuff.

Thanks for the help!!




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