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./autogen.sh Sheepshaver fails to detect xorg DGA extension

Dear all,

Once again I am afraid that I am stuck. I'm trying to compile the latest SheepShaver CVS on Ubuntu's Hoary Hedghog distribution. The problem I am having is that ./autogen.sh is not detecting the DGA extension to X.

I have checked the libggi-target-x package and that is installed. Running DGA displays a corrupted screen and then pressing keys displays varying muddy shades of grey rather than colours. However pressing q gets me back to the terminal with what appears to be a correct output displayed so I am guessing that DGA is ok, but not sure.

Also ./autogen.sh does not detect vidmode, but I know even less about this that I do about DGA, and I know practically nothing about that :(

So my questions

How do I confirm that DGA is installed
How do I get sheepshaver to detect either DGA or Vidmode, if that's what it needs.

Many thanks

John.

Check your xorg.conf (in /etc/X11)
The relevent section in mine it currently reads:

Quote:

# This loads the miscellaneous extensions module, and disables
# initialisation of the XFree86-DGA extension within that module.
SubSection "extmod"
Option "omit xfree86-dga" # don't initialise the DGA extension
EndSubSection

I am not sure of the reasoning behind it but I believe Xorg disables DGA by defualt (at least in every install of Xorg I've had with Slackware).
Just comment out this section and restart X.