[CHANGE] - debian control file now uses the alternative depend stuff thingy to...

[CHANGE] - debian control file now uses the alternative depend stuff thingy to allow building with libgl1-mesa and libgl (virtual package)

tools/packaging/debian/control

@@ -5,7 +5,8 @@ Maintainer: Sebastian Eichelbaum <eichelbaum@informatik.uni-leipzig.de>
 Uploaders: Yaroslav Halchenko <debian@onerussian.com>, Michael Hanke <michael.hanke@gmail.com>
 Build-Depends: debhelper (>= 8.0.0),
                cmake (>= 2.8.0), doxygen (>= 1.6.3), graphviz (>= 2.26.3),
-               libgl1-mesa-dev (>= 7.7.0), libopenscenegraph-dev (>= 2.8.1), libopenthreads-dev (>= 2.8.1),
+               libgl1-mesa-dev | libgl-dev,
+               libopenscenegraph-dev (>= 2.8.1), libopenthreads-dev (>= 2.8.1),
                libqt4-dev (>= 4:4.6.0), libqtwebkit-dev (>= 2.0.0),
                libboost-dev (>= 1.42.0), libboost-program-options-dev (>= 1.42.0), libboost-thread-dev (>= 1.42.0),
                libboost-filesystem-dev (>= 1.42.0), libboost-date-time-dev (>= 1.42.0), libboost-system-dev (>= 1.42.0),
@@ -40,7 +41,8 @@ Package: libopenwalnut1-dev
 Section: libdevel
 Architecture: any
 Depends: libopenwalnut1 (= ${binary:Version}),
-         libgl1-mesa-dev (>= 7.7.0), libopenscenegraph-dev (>= 2.8.1), libopenthreads-dev (>= 2.8.1),
+         libgl1-mesa-dev | libgl-dev,
+         libopenscenegraph-dev (>= 2.8.1), libopenthreads-dev (>= 2.8.1),
          libboost-dev (>= 1.42.0), libboost-program-options-dev (>= 1.42.0), libboost-thread-dev (>= 1.42.0),
          libboost-filesystem-dev (>= 1.42.0), libboost-date-time-dev (>= 1.42.0), libboost-system-dev (>= 1.42.0),
          libboost-signals-dev (>= 1.42.0), libboost-regex-dev (>= 1.42.0),