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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 1.32 2009/10/21 23:59:51 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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|
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# Is a dependency on xorg-server and xhost needed? |
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# Valid values are "always", "optional", and "manual" |
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# "tests" is treated as a synonym for "optional" |
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: ${VIRTUALX_REQUIRED:=optional} |
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|
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# If VIRTUALX_REQUIRED=optional, what use flag should control |
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# the dependency? Default is "test" |
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: ${VIRTUALX_USE:=test} |
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|
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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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|
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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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optional|tests) |
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DEPEND="${VIRTUALX_USE}? ( ${VIRTUALX_DEPEND} )" |
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RDEPEND="" |
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IUSE="${VIRTUALX_USE}" |
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;; |
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manual) |
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;; |
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*) |
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eerror "Invalid value (${VIRTUALX_REQUIRED}) for VIRTUALX_REQUIRED" |
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eerror "Valid values are:" |
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eerror " always" |
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eerror " optional (default if unset)" |
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eerror " manual" |
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die "Invalid value (${VIRTUALX_REQUIRED}) for VIRTUALX_REQUIRED" |
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;; |
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esac |
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|
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DESCRIPTION="Based on the $ECLASS eclass" |
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|
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virtualmake() { |
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local retval=0 |
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local OLD_SANDBOX_ON="${SANDBOX_ON}" |
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local XVFB=$(type -p Xvfb) |
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local XHOST=$(type -p xhost) |
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|
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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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|
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einfo "Scanning for an open DISPLAY to start Xvfb ..." |
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|
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# We really do not want SANDBOX enabled here |
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export SANDBOX_ON="0" |
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|
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local i=0 |
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XDISPLAY=$(i=0; while [[ -f /tmp/.X${i}-lock ]] ; do ((i++));done; echo ${i}) |
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|
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# If we are in a chrooted environment, and there is already a |
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# X server started outside of the chroot, Xvfb will fail to start |
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# on the same display (most cases this is :0 ), so make sure |
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# Xvfb is started, else bump the display number |
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# |
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# Azarah - 5 May 2002 |
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# |
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# Changed the mode from 800x600x32 to 800x600x24 because the mfb |
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# support has been dropped in Xvfb in the xorg-x11 pre-releases. |
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# For now only depths up to 24-bit are supported. |
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# |
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# Sven Wegener <swegener@gentoo.org> - 22 Aug 2004 |
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# |
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# Use "-fp built-ins" because it's only part of the default font path |
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# for Xorg but not the other DDXs (Xvfb, Kdrive, etc). Temporarily fixes |
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# bug 278487 until xorg-server is properly patched |
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# |
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# Rémi Cardona <remi@gentoo.org> (10 Aug 2009) |
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${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 &>/dev/null & |
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sleep 2 |
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|
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local start=${XDISPLAY} |
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while [[ ! -f /tmp/.X${XDISPLAY}-lock ]] ; do |
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# Stop trying after 15 tries |
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if ((XDISPLAY - start > 15)) ; then |
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|
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eerror "" |
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eerror "Unable to start Xvfb." |
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eerror "" |
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eerror "'${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24' returns:" |
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eerror "" |
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${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 |
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eerror "" |
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eerror "If possible, correct the above error and try your emerge again." |
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eerror "" |
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die |
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fi |
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|
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((XDISPLAY++)) |
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${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 &>/dev/null & |
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sleep 2 |
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done |
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|
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# Now enable SANDBOX again if needed. |
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export SANDBOX_ON="${OLD_SANDBOX_ON}" |
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|
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einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..." |
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|
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export DISPLAY=:${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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|
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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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|
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return ${retval} |
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} |
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|
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#Same as "make", but setup the Xvfb hack if needed |
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Xmake() { |
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export maketype="make" |
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virtualmake "$@" |
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} |
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|
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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 "$@" |
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} |
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|
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#Same as "econf", but setup the Xvfb hack if needed |
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Xeconf() { |
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export maketype="econf" |
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virtualmake "$@" |
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} |