From 711222bb7b4fd7ea8e7f801ac26532360bc5440f Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 18 Apr 2008 15:03:01 -0700
Subject: [PATCH] autoconf: Default the build to DRI on OS+CPU combos where
 it's expected.

---
 configure.ac | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 7db1830..8566384 100644
--- a/configure.ac
+++ b/configure.ac
@@ -237,11 +237,26 @@ dnl
 dnl Driver configuration. Options are xlib, dri and osmesa right now.
 dnl More later: directfb, fbdev, ...
 dnl
+default_driver="xlib"
+
+case "$host_os" in
+linux*)
+    case "$host_cpu" in
+    i*86|x86_64|powerpc*) default_driver="dri";;
+    esac
+    ;;
+freebsd* | dragonfly*)
+    case "$host_cpu" in
+    i*86|x86_64) default_driver="dri";;
+    esac
+    ;;
+esac
+
 AC_ARG_WITH(driver,
     [AS_HELP_STRING([--with-driver=DRIVER],
-        [driver for Mesa: xlib,dri,osmesa @<:@default=xlib@:>@])],
+        [driver for Mesa: xlib,dri,osmesa @<:@default=dri when available, or xlib@:>@])],
     mesa_driver="$withval",
-    mesa_driver="xlib")
+    mesa_driver="$default_driver")
 dnl Check for valid option
 case "x$mesa_driver" in
 xxlib|xdri|xosmesa)
-- 
2.7.4