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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: Tue, 24 Apr 2012 20:45:05 -0700 (PDT)

I realized that cmake indicated that it DID find the libs:
-- Found QGLViewer: /usr/lib/x86_64-linux-gnu/libqglviewer-qt4.so

I then checked CMakeCache.txt and found these entries :

//Path to a file.
QGLVIEWER_INCLUDE_DIR:PATH=/usr/include

//The QGLViewer library
QGLVIEWER_LIBRARIES:FILEPATH=/usr/lib/x86_64-linux-gnu/libqglviewer-qt4.so

//Path to a library.
QGLVIEWER_LIBRARY_DEBUG:FILEPATH=QGLVIEWER_LIBRARY_DEBUG-NOTFOUND

//Path to a library.
QGLVIEWER_LIBRARY_RELEASE:FILEPATH=/usr/lib/x86_64-linux-gnu/libqglviewer-qt4.so

and :

//Path to a file.
QT_QTOPENGL_INCLUDE_DIR:PATH=/usr/include/qt4/QtOpenGL

//The Qt QTOPENGL library
QT_QTOPENGL_LIBRARY:STRING=/usr/lib/x86_64-linux-gnu/libQtOpenGL.so

//Path to a library.
QT_QTOPENGL_LIBRARY_DEBUG:FILEPATH=QT_QTOPENGL_LIBRARY_DEBUG-NOTFOUND

//Path to a library.
QT_QTOPENGL_LIBRARY_RELEASE:FILEPATH=/usr/lib/x86_64-linux-gnu/libQtOpenGL.so


To compare, the complaint from make is :
make[2]: *** No rule to make target `/usr/lib/libQtOpenGL.so', needed by
`AABB_tree/AABB_demo'. Stop.

Apparently the error means make thinks it needs to build that target. I
don't know why make would think so. Would the reason be that
QT_QTOPENGL_LIBRARY_DEBUG-NOTFOUND ?

It would seem cmake found all the libs but not the debug lib? should that be
the same file?



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