/[gentoo-x86]/eclass/virtualx.eclass
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1# Copyright 1999-2002 Gentoo Technologies, Inc. 1# Copyright 1999-2002 Gentoo Technologies, Inc.
2# Distributed under the terms of the GNU General Public License, v2 or later 2# Distributed under the terms of the GNU General Public License, v2 or later
3# Author: Martin Schlemmer <azarah@gentoo.org> 3# Author: Martin Schlemmer <azarah@gentoo.org>
4# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.4 2002/05/05 16:47:04 azarah Exp $ 4# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.5 2002/05/05 17:12:35 azarah Exp $
5# This eclass can be used for packages that needs a working X environment to build 5# This eclass can be used for packages that needs a working X environment to build
6ECLASS=virtualx 6ECLASS=virtualx
7newdepend virtual/x11 7newdepend virtual/x11
8 8
9DESCRIPTION="Based on the $ECLASS eclass" 9DESCRIPTION="Based on the $ECLASS eclass"
11virtualmake() { 11virtualmake() {
12 local retval=0 12 local retval=0
13 13
14 #If $DISPLAY is not set, or xhost cannot connect to an X 14 #If $DISPLAY is not set, or xhost cannot connect to an X
15 #display, then do the Xvfb hack. 15 #display, then do the Xvfb hack.
16 if [ -z "$DISPLAY" ] || ! /usr/X11R6/bin/xhost 16 if [ -z "$DISPLAY" ] || ! (/usr/X11R6/bin/xhost &>/dev/null)
17 then 17 then
18 export XAUTHORITY= 18 export XAUTHORITY=
19 # The following is derived from Mandrake's hack to allow 19 # The following is derived from Mandrake's hack to allow
20 # compiling without the X display 20 # compiling without the X display
21 21
22 # Only start at :1, as the default display is usually :0, 22 echo ">>> Scanning for a open DISPLAY to start Xvfb..."
23 # and Xvfb cannot start if X is already running. This 23
24 # is mainly to fix chroot issues where this wont detect
25 # a running X, as we dont have /tmp mounted (--bind) in
26 # the chroot. (Azarah - 5 May 2002)
27 local i=1 24 local i=0
28 XDISPLAY=$(i=1; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i}) 25 XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i})
26
27 # If we are in a chrooted environment, and there is already a
28 # X server started outside of the chroot, Xvfb will fail to start
29 # on the same display (most cases this is :0 ), so make sure
30 # Xvfb is started, else bump the display number
31 #
32 # Azarah - 5 May 2002
33 #
29 /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null & 34 /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
35 sleep 2
36
37 while [ ! -f /tmp/.X${XDISPLAY}-lock ]
38 do
39 XDISPLAY=$((${XDISPLAY}+1))
40 /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
41 sleep 2
42 done
43
44 echo ">>> Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
30 45
31 export DISPLAY=:${XDISPLAY} 46 export DISPLAY=:${XDISPLAY}
32 #Do not break on error, but setup $retval, as we need 47 #Do not break on error, but setup $retval, as we need
33 #to kill Xvfb 48 #to kill Xvfb
34 ${maketype} $* 49 ${maketype} $*

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