mesa: Changes to 'master'

[Dan Nicholson]

The branch, master has been updated
        Commits at: http://cgit.freedesktop.org/mesa/mesa/log/?h=master

Summary of changes:
 configure.ac |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

       via  7154d661a667681828efb75b3547c97484455d9e (commit)
      from  9a43570f8c8ba5b9803740a47227c296d547631e (commit)


- Commits -----------------------------------------------
commit 7154d661a667681828efb75b3547c97484455d9e
Author: Dan Nicholson <dbn.lists at gmail.com>
Date:   Wed Apr 30 13:53:37 2008 -0700

    autoconf: Fail from autoconf if the pkg-config macros aren't defined
    
    Instead of postponing the error from missing pkg-config macros to when
    configure is run, make autoconf exit by using m4 macros.

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