@@ -0,0 +1,60 @@
+# Copyright (c) 2004 Colin Watson <email@example.com>.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Apparently some 2.4 kernels put OF aliases in aliases@0.
+if [ -d /proc/device-tree/aliases ]; then
+elif [ -d /proc/device-tree/aliases@0 ]; then
+ echo "Can't find Open Firmware aliases directory" >&2
+ exit 2
+if [ -f "$TREE/$ALIASES/screen" ]; then
+ SCREEN="`cat $TREE/$ALIASES/screen`"
+ echo "Can't find Open Firmware screen alias" >&2
+ exit 2
+# Aliases start with a slash.
+if [ -d "$TREE$SCREEN" ]; then
+ # List gathered from files in drivers/video/ in the 2.6.7 kernel
+ # source.
+ for file in DFP,EDID LCD,EDID EDID EDID1 EDID2 EDID,B EDID,A; do
+ if [ -f "$TREE$SCREEN/$file" ]; then
+ if [ -z "$EDID" ]; then
+ echo "Can't find EDID file in $TREE$SCREEN" >&2
+ exit 1
+ echo "Can't find target of Open Firmware screen alias ($TREE$SCREEN)" >&2
+ exit 2
@@ -8,8 +8,6 @@
-AC_CHECK_HEADER([libx86.h], , [AC_MSG_ERROR([libx86.h not found])])
dnl Simple, huh?