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Bug 271 - autoconf incorrectly tests for fbcon support
Summary: autoconf incorrectly tests for fbcon support
Status: RESOLVED WORKSFORME
Alias: None
Product: SDL
Classification: Unclassified
Component: build (show other bugs)
Version: HG 1.2
Hardware: All Linux
: P2 major
Assignee: Ryan C. Gordon
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2006-07-02 05:31 UTC by Sean D'Epagnier
Modified: 2007-05-28 21:36 UTC (History)
0 users

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Description Sean D'Epagnier 2006-07-02 05:31:46 UTC 
Hi, I ran the configure script and it did not detect support for fbcon, when in fact my system supports it.

I know the exact fix, it is a change in configure.in, on line 1112, should be changed to:

        AC_TRY_COMPILE([
         #include <linux/fb.h>
         #include <linux/kd.h>
         ],[ ...

The problem is both kd.h and keyboard.h include types.h so there are re-definitions.  I believe fb.h and kd.h are sufficient for detecting fbcon support.

My system is gentoo linux 2.6.13 amd64, feel free to ask for any additional information. Thanks
Comment 1 Ryan C. Gordon 2006-07-02 07:25:20 UTC 
I checked out all the various types.h files, and they all have include-once blockers in them. Are you sure this is the actual issue? Can you attach config.log from a configure run that fails the fbcon test so I can verify?

--ryan.
Comment 2 Ryan C. Gordon 2007-05-28 21:36:00 UTC 
Assuming this was fixed by newer Linux kernel headers, as I couldn't ever reproduce it here.

--ryan.