before installing libgl1-mesa-dev ~$ ls -l /usr/lib/libGL* lrwxrwxrwx 1 root root 12 2009-02-24 08:18 /usr/lib/libGL.so.1 -> libGL.so.1.2 -rw-r--r-- 1 root root 395024 2009-02-23 16:36 /usr/lib/libGL.so.1.2 lrwxrwxrwx 1 root root 20 2009-02-24 08:19 /usr/lib/libGLU.so.1 -> libGLU.so.1.3.070300 -rw-r--r-- 1 root root 460432 2009-02-23 16:36 /usr/lib/libGLU.so.1.3.070300
With libgl1-mesa-dev installed ~$ ls -l /usr/lib/libGL* lrwxrwxrwx 1 root root 10 2009-02-26 17:31 /usr/lib/libGL.so -> libGL.so.1 lrwxrwxrwx 1 root root 12 2009-02-24 08:18 /usr/lib/libGL.so.1 -> libGL.so.1.2 -rw-r--r-- 1 root root 395024 2009-02-23 16:36 /usr/lib/libGL.so.1.2 lrwxrwxrwx 1 root root 20 2009-02-24 08:19 /usr/lib/libGLU.so.1 -> libGLU.so.1.3.070300 -rw-r--r-- 1 root root 460432 2009-02-23 16:36 /usr/lib/libGLU.so.1.3.070300
before installing libgl1-mesa-dev libGL.so. 1.2 libGLU. so.1 -> libGLU. so.1.3. 070300 libGLU. so.1.3. 070300
~$ ls -l /usr/lib/libGL*
lrwxrwxrwx 1 root root 12 2009-02-24 08:18 /usr/lib/libGL.so.1 -> libGL.so.1.2
-rw-r--r-- 1 root root 395024 2009-02-23 16:36 /usr/lib/
lrwxrwxrwx 1 root root 20 2009-02-24 08:19 /usr/lib/
-rw-r--r-- 1 root root 460432 2009-02-23 16:36 /usr/lib/
With libgl1-mesa-dev installed libGL.so. 1.2 libGLU. so.1 -> libGLU. so.1.3. 070300 libGLU. so.1.3. 070300
~$ ls -l /usr/lib/libGL*
lrwxrwxrwx 1 root root 10 2009-02-26 17:31 /usr/lib/libGL.so -> libGL.so.1
lrwxrwxrwx 1 root root 12 2009-02-24 08:18 /usr/lib/libGL.so.1 -> libGL.so.1.2
-rw-r--r-- 1 root root 395024 2009-02-23 16:36 /usr/lib/
lrwxrwxrwx 1 root root 20 2009-02-24 08:19 /usr/lib/
-rw-r--r-- 1 root root 460432 2009-02-23 16:36 /usr/lib/