$ LD_DEBUG=libs xdriinfo
     16048:     find library=libX11.so.6 [0]; searching
     16048:      search path=/home/panoramix/GNUstep/Library/Libraries/tls/x86_64:/home/panoramix/GNUstep/Library/Libraries/tls:/home/panoramix/GNUstep/Library/Libraries/x86_64:/home/panoramix/GNUstep/Library/Libraries          (LD_LIBRARY_PATH)
     16048:       trying file=/home/panoramix/GNUstep/Library/Libraries/tls/x86_64/libX11.so.6
     16048:       trying file=/home/panoramix/GNUstep/Library/Libraries/tls/libX11.so.6
     16048:       trying file=/home/panoramix/GNUstep/Library/Libraries/x86_64/libX11.so.6
     16048:       trying file=/home/panoramix/GNUstep/Library/Libraries/libX11.so.6
     16048:      search path=/usr/lib/tls/x86_64:/usr/lib/tls:/usr/lib/x86_64:/usr/lib          (system search path)
     16048:       trying file=/usr/lib/tls/x86_64/libX11.so.6
     16048:       trying file=/usr/lib/tls/libX11.so.6
     16048:       trying file=/usr/lib/x86_64/libX11.so.6
     16048:       trying file=/usr/lib/libX11.so.6
     16048:
     16048:     find library=libGL.so.1 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libGL.so.1
     16048:
     16048:     find library=libc.so.6 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libc.so.6
     16048:
     16048:     find library=libxcb.so.1 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libxcb.so.1
     16048:
     16048:     find library=libdl.so.2 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libdl.so.2
     16048:
     16048:     find library=libGLX.so.0 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libGLX.so.0
     16048:
     16048:     find library=libXext.so.6 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libXext.so.6
     16048:
     16048:     find library=libGLdispatch.so.0 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libGLdispatch.so.0
     16048:
     16048:     find library=libpthread.so.0 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libpthread.so.0
     16048:
     16048:     find library=libXau.so.6 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libXau.so.6
     16048:
     16048:     find library=libXdmcp.so.6 [0]; searching
     16048:      search path=           (LD_LIBRARY_PATH)
     16048:      search path=/usr/lib           (system search path)
     16048:       trying file=/usr/lib/libXdmcp.so.6
     16048:
     16048:
     16048:     calling init: /usr/lib/libpthread.so.0
     16048:
     16048:
     16048:     calling init: /usr/lib/libc.so.6
     16048:
     16048:
     16048:     calling init: /usr/lib/libXdmcp.so.6
     16048:
     16048:
     16048:     calling init: /usr/lib/libXau.so.6
     16048:
     16048:
     16048:     calling init: /usr/lib/libdl.so.2
     16048:
     16048:
     16048:     calling init: /usr/lib/libGLdispatch.so.0
     16048:
     16048:
     16048:     calling init: /usr/lib/libxcb.so.1
     16048:
     16048:
     16048:     calling init: /usr/lib/libX11.so.6
     16048:
     16048:
     16048:     calling init: /usr/lib/libXext.so.6
     16048:
     16048:
     16048:     calling init: /usr/lib/libGLX.so.0
     16048:
     16048:
     16048:     calling init: /usr/lib/libGL.so.1
     16048:
     16048:
     16048:     initialize program: xdriinfo
     16048:
     16048:
     16048:     transferring control: xdriinfo
     16048:
Screen 0: not direct rendering capable.
     16048:
     16048:     calling fini: xdriinfo [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libGL.so.1 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libGLX.so.0 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libXext.so.6 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libX11.so.6 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libxcb.so.1 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libGLdispatch.so.0 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libdl.so.2 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libpthread.so.0 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libXau.so.6 [0]
     16048:
     16048:
     16048:     calling fini: /usr/lib/libXdmcp.so.6 [0]
     16048:
[panoramix@obelix ~]$