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# Copyright 1999-2002 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# Author: Martin Schlemmer <azarah@gentoo.org>
# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.10 2003/01/22 01:47:34 jrray Exp $
# This eclass can be used for packages that needs a working X environment to build
ECLASS=virtualx
INHERITED="$INHERITED $ECLASS"
newdepend virtual/x11
DESCRIPTION="Based on the $ECLASS eclass"
[ -z "${SANDBOX_DISABLED}" ] && export SANDBOX_DISABLED="0" || :
virtualmake() {
local retval=0
local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}"
#If $DISPLAY is not set, or xhost cannot connect to an X
#display, then do the Xvfb hack.
if [ -z "$DISPLAY" ] || ! (/usr/X11R6/bin/xhost &>/dev/null)
then
export XAUTHORITY=
# The following is derived from Mandrake's hack to allow
# compiling without the X display
einfo "Scanning for a open DISPLAY to start Xvfb..."
# We really do not want SANDBOX enabled here
export SANDBOX_DISABLED="1"
local i=0
XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i})
# If we are in a chrooted environment, and there is already a
# X server started outside of the chroot, Xvfb will fail to start
# on the same display (most cases this is :0 ), so make sure
# Xvfb is started, else bump the display number
#
# Azarah - 5 May 2002
#
/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
sleep 2
local start=${XDISPLAY}
while [ ! -f /tmp/.X${XDISPLAY}-lock ]
do
# Stop trying after 15 tries
if [ $((${XDISPLAY} - ${start})) -gt 15 ]; then
eerror ""
eerror "Unable to start Xvfb."
eerror ""
eerror "'/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32' returns:"
eerror ""
/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32
eerror ""
eerror "If possible, correct the above error and try your emerge again."
eerror ""
die
fi
XDISPLAY=$((${XDISPLAY}+1))
/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
sleep 2
done
# Now enable SANDBOX again if needed.
export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}"
einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
export DISPLAY=:${XDISPLAY}
#Do not break on error, but setup $retval, as we need
#to kill Xvfb
${maketype} $*
retval=$?
#Now kill Xvfb
kill $(cat /tmp/.X${XDISPLAY}-lock)
else
#Normal make if we can connect to an X display
${maketype} $*
retval=$?
fi
return $retval
}
#Same as "make", but setup the Xvfb hack if needed
Xmake() {
export maketype="make"
virtualmake "$*"
}
#Same as "emake", but setup the Xvfb hack if needed
Xemake() {
export maketype="emake"
virtualmake "$*"
}
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