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# Copyright 1999-2009 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.30 2009/10/19 21:12:07 abcd 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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# Is a dependency on xorg-server and xhost needed?
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# Valid values are "always", "tests", and "manual"
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VIRTUALX_REQUIRED="${VIRTUALX_REQUIRED:-tests}"
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# Dep string available for use outside of eclass, in case a more
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# complicated dep is needed
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VIRTUALX_DEPEND="x11-base/xorg-server
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x11-apps/xhost"
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case ${VIRTUALX_REQUIRED} in
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always)
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DEPEND="${VIRTUALX_DEPEND}"
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RDEPEND=""
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;;
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tests)
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DEPEND="test? ( ${VIRTUALX_DEPEND} )"
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RDEPEND=""
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IUSE="test"
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;;
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manual)
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;;
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*)
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eerror "Invalid value (${VIRTUALX_REQUIRED}) for VIRTUALX_REQUIRED"
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eerror "Valid values are:"
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eerror " always"
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eerror " tests"
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eerror " manual"
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die "Invalid value (${VIRTUALX_REQUIRED}) for VIRTUALX_REQUIRED"
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;;
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esac
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DESCRIPTION="Based on the $ECLASS eclass"
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#
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# Brian Harring <ferringb@gentoo.org> 11/04/2004
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# do not disable the sandbox during the depend phase.
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# ebuilds shouldn't touch the fs during depend phase, nor screw with the sandbox.
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#
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if [[ ${EBUILD_PHASE/depend} == "${EBUILD_PHASE}" ]] ; then
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[[ -z ${SANDBOX_DISABLED} ]] && export SANDBOX_DISABLED="0" || :
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fi
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virtualmake() {
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local retval=0
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local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}"
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local XVFB=$(type -p Xvfb)
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local XHOST=$(type -p xhost)
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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 [[ -n ${XVFB} && -n ${XHOST} ]] && \
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( [[ -z ${DISPLAY} ]] || ! (${XHOST} &>/dev/null) ) ; 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 an 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++));done; echo ${i})
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# If we are in a chrooted environment, and there is already a
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# X server started outside of the chroot, Xvfb will fail to start
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# on the same display (most cases this is :0 ), so make sure
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# Xvfb is started, else bump the display number
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#
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# Azarah - 5 May 2002
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#
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# Changed the mode from 800x600x32 to 800x600x24 because the mfb
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# support has been dropped in Xvfb in the xorg-x11 pre-releases.
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# For now only depths up to 24-bit are supported.
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#
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# Sven Wegener <swegener@gentoo.org> - 22 Aug 2004
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#
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# Use "-fp built-ins" because it's only part of the default font path
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# for Xorg but not the other DDXs (Xvfb, Kdrive, etc). Temporarily fixes
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# bug 278487 until xorg-server is properly patched
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#
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# Rémi Cardona <remi@gentoo.org> (10 Aug 2009)
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${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 &>/dev/null &
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sleep 2
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local start=${XDISPLAY}
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while [[ ! -f /tmp/.X${XDISPLAY}-lock ]] ; do
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# Stop trying after 15 tries
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if ((XDISPLAY - start > 15)) ; then
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eerror ""
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eerror "Unable to start Xvfb."
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eerror ""
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eerror "'${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24' returns:"
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eerror ""
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${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24
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eerror ""
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eerror "If possible, correct the above error and try your emerge again."
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eerror ""
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die
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fi
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((XDISPLAY++))
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${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 &>/dev/null &
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sleep 2
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done
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# Now enable SANDBOX again if needed.
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export SANDBOX_DISABLED="${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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