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# Copyright 1999-2003 Gentoo Technologies, Inc.
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /home/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.13 2003/02/28 09:15:04 vapier Exp $
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#
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# Author: Martin Schlemmer <azarah@gentoo.org>
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#
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# This eclass can be used for packages that needs a working X environment to build
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ECLASS=virtualx
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INHERITED="$INHERITED $ECLASS"
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newdepend virtual/x11
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DESCRIPTION="Based on the $ECLASS eclass"
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[ -z "${SANDBOX_DISABLED}" ] && export SANDBOX_DISABLED="0" || :
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virtualmake() {
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local retval=0
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local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}"
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#If $DISPLAY is not set, or xhost cannot connect to an X
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#display, then do the Xvfb hack.
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if [ -z "$DISPLAY" ] || ! (/usr/X11R6/bin/xhost &>/dev/null)
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then
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export XAUTHORITY=
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# The following is derived from Mandrake's hack to allow
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# compiling without the X display
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einfo "Scanning for a open DISPLAY to start Xvfb..."
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# We really do not want SANDBOX enabled here
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export SANDBOX_DISABLED="1"
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local i=0
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XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i})
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# If we are in a chrooted environment, and there is already a
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# X server started outside of the chroot, Xvfb will fail to start
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# on the same display (most cases this is :0 ), so make sure
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# Xvfb is started, else bump the display number
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#
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# Azarah - 5 May 2002
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#
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/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
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sleep 2
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local start=${XDISPLAY}
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while [ ! -f /tmp/.X${XDISPLAY}-lock ]
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do
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# Stop trying after 15 tries
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if [ $((${XDISPLAY} - ${start})) -gt 15 ]; then
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eerror ""
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eerror "Unable to start Xvfb."
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eerror ""
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eerror "'/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32' returns:"
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eerror ""
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/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32
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eerror ""
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eerror "If possible, correct the above error and try your emerge again."
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eerror ""
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die
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fi
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XDISPLAY=$((${XDISPLAY}+1))
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/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
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sleep 2
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done
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# Now enable SANDBOX again if needed.
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export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}"
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einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
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export DISPLAY=:${XDISPLAY}
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#Do not break on error, but setup $retval, as we need
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#to kill Xvfb
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${maketype} $*
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retval=$?
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#Now kill Xvfb
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kill $(cat /tmp/.X${XDISPLAY}-lock)
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else
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#Normal make if we can connect to an X display
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${maketype} $*
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retval=$?
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fi
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return $retval
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}
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#Same as "make", but setup the Xvfb hack if needed
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Xmake() {
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export maketype="make"
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virtualmake "$*"
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}
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#Same as "emake", but setup the Xvfb hack if needed
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Xemake() {
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export maketype="emake"
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virtualmake "$*"
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}
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#Same as "econf", but setup the Xvfb hack if needed
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Xeconf() {
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export maketype="econf"
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virtualmake "$*"
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}
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