/[gentoo-x86]/eclass/virtualx.eclass
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1# Copyright 1999-2002 Gentoo Technologies, Inc. 1# Copyright 1999-2009 Gentoo Foundation
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
3# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.33 2009/12/21 17:27:28 abcd Exp $
4#
3# Author: Martin Schlemmer <azarah@gentoo.org> 5# Author: Martin Schlemmer <azarah@gentoo.org>
4# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.2 2002/04/09 14:42:26 azarah Exp $ 6#
5# This eclass can be used for packages that needs a working X environment to build 7# This eclass can be used for packages that needs a working X environment to build
6ECLASS=virtualx 8
7newdepend virtual/x11 9# Is a dependency on xorg-server and xhost needed?
10# Valid values are "always", "optional", and "manual"
11# "tests" is treated as a synonym for "optional"
12: ${VIRTUALX_REQUIRED:=optional}
13
14# If VIRTUALX_REQUIRED=optional, what use flag should control
15# the dependency? Default is "test"
16: ${VIRTUALX_USE:=test}
17
18# Dep string available for use outside of eclass, in case a more
19# complicated dep is needed
20VIRTUALX_DEPEND="x11-base/xorg-server
21 x11-apps/xhost"
22
23case ${VIRTUALX_REQUIRED} in
24 always)
25 DEPEND="${VIRTUALX_DEPEND}"
26 RDEPEND=""
27 ;;
28 optional|tests)
29 DEPEND="${VIRTUALX_USE}? ( ${VIRTUALX_DEPEND} )"
30 RDEPEND=""
31 IUSE="${VIRTUALX_USE}"
32 ;;
33 manual)
34 ;;
35 *)
36 eerror "Invalid value (${VIRTUALX_REQUIRED}) for VIRTUALX_REQUIRED"
37 eerror "Valid values are:"
38 eerror " always"
39 eerror " optional (default if unset)"
40 eerror " manual"
41 die "Invalid value (${VIRTUALX_REQUIRED}) for VIRTUALX_REQUIRED"
42 ;;
43esac
8 44
9DESCRIPTION="Based on the $ECLASS eclass" 45DESCRIPTION="Based on the $ECLASS eclass"
10 46
11virtualmake() { 47virtualmake() {
12 local retval=0 48 local retval=0
13 local Xconnect="/usr/X11R6/bin/xhost" 49 local OLD_SANDBOX_ON="${SANDBOX_ON}"
50 local XVFB=$(type -p Xvfb)
51 local XHOST=$(type -p xhost)
14 52
15 #If $DISPLAY is not set, or xhost cannot connect to an X 53 # If $DISPLAY is not set, or xhost cannot connect to an X
16 #display, then do the Xvfb hack. 54 # display, then do the Xvfb hack.
17 if [ -z "$DISPLAY" ] || ! /usr/X11R6/bin/xhost 55 if [[ -n ${XVFB} && -n ${XHOST} ]] && \
18 then 56 ( [[ -z ${DISPLAY} ]] || ! (${XHOST} &>/dev/null) ) ; then
19 # Mandrake's hack to allow compiling without the X display 57 export XAUTHORITY=
58 # The following is derived from Mandrake's hack to allow
59 # compiling without the X display
60
61 einfo "Scanning for an open DISPLAY to start Xvfb ..."
62
63 # We really do not want SANDBOX enabled here
64 export SANDBOX_ON="0"
65
20 local i=0 66 local i=0
21 XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i}) 67 XDISPLAY=$(i=0; while [[ -f /tmp/.X${i}-lock ]] ; do ((i++));done; echo ${i})
22 /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null & 68
69 # If we are in a chrooted environment, and there is already a
70 # X server started outside of the chroot, Xvfb will fail to start
71 # on the same display (most cases this is :0 ), so make sure
72 # Xvfb is started, else bump the display number
23 73 #
74 # Azarah - 5 May 2002
75 #
76 # Changed the mode from 800x600x32 to 800x600x24 because the mfb
77 # support has been dropped in Xvfb in the xorg-x11 pre-releases.
78 # For now only depths up to 24-bit are supported.
79 #
80 # Sven Wegener <swegener@gentoo.org> - 22 Aug 2004
81 #
82 # Use "-fp built-ins" because it's only part of the default font path
83 # for Xorg but not the other DDXs (Xvfb, Kdrive, etc). Temporarily fixes
84 # bug 278487 until xorg-server is properly patched
85 #
86 # RĂ©mi Cardona <remi@gentoo.org> (10 Aug 2009)
87 ${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 &>/dev/null &
88 sleep 2
89
90 local start=${XDISPLAY}
91 while [[ ! -f /tmp/.X${XDISPLAY}-lock ]] ; do
92 # Stop trying after 15 tries
93 if ((XDISPLAY - start > 15)) ; then
94
95 eerror ""
96 eerror "Unable to start Xvfb."
97 eerror ""
98 eerror "'${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24' returns:"
99 eerror ""
100 ${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24
101 eerror ""
102 eerror "If possible, correct the above error and try your emerge again."
103 eerror ""
104 die
105 fi
106
107 ((XDISPLAY++))
108 ${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 &>/dev/null &
109 sleep 2
110 done
111
112 # Now enable SANDBOX again if needed.
113 export SANDBOX_ON="${OLD_SANDBOX_ON}"
114
115 einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
116
24 export DISPLAY=:${XDISPLAY} 117 export DISPLAY=:${XDISPLAY}
25 #Do not break on error, but setup $retval, as we need 118 #Do not break on error, but setup $retval, as we need
26 #to kill Xvfb 119 #to kill Xvfb
27 ${maketype} $* 120 ${maketype} "$@"
28 retval=$? 121 retval=$?
29 122
30 #Now kill Xvfb 123 #Now kill Xvfb
31 kill $(cat /tmp/.X${XDISPLAY}-lock) 124 kill $(cat /tmp/.X${XDISPLAY}-lock)
32 else 125 else
33 #Normal make if we can connect to an X display 126 #Normal make if we can connect to an X display
34 ${maketype} $* 127 ${maketype} "$@"
35 retval=$? 128 retval=$?
36 fi 129 fi
130
37 return $retval 131 return ${retval}
38} 132}
39 133
40#Same as "make", but setup the Xvfb hack if needed 134#Same as "make", but setup the Xvfb hack if needed
41Xmake() { 135Xmake() {
42 export maketype="make" 136 export maketype="make"
43 virtualmake "$*" 137 virtualmake "$@"
44} 138}
45 139
46#Same as "emake", but setup the Xvfb hack if needed 140#Same as "emake", but setup the Xvfb hack if needed
47Xemake() { 141Xemake() {
48 export maketype="emake" 142 export maketype="emake"
49 virtualmake "$*" 143 virtualmake "$@"
50} 144}
51 145
146#Same as "econf", but setup the Xvfb hack if needed
147Xeconf() {
148 export maketype="econf"
149 virtualmake "$@"
150}

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