/[gentoo-x86]/eclass/virtualx.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2010 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.29 2009/08/10 15:44:37 remi Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.35 2010/05/15 05:40:46 dirtyepic Exp $
4#
5# Author: Martin Schlemmer <azarah@gentoo.org>
6#
7# This eclass can be used for packages that needs a working X environment to build
8 4
9DEPEND="X? ( x11-base/xorg-server x11-apps/xhost )" 5# Original author: Martin Schlemmer <azarah@gentoo.org>
10IUSE="X"
11 6
12DESCRIPTION="Based on the $ECLASS eclass" 7# @ECLASS: virtualx.eclass
8# @MAINTAINER:
9# x11@gentoo.org
10# @BLURB: This eclass can be used for packages that needs a working X environment to build.
13 11
14# 12# @ECLASS-VARIABLE: VIRTUALX_REQUIRED
15# Brian Harring <ferringb@gentoo.org> 11/04/2004 13# @DESCRIPTION:
16# do not disable the sandbox during the depend phase. 14# Is a dependency on xorg-server and xhost needed?
17# ebuilds shouldn't touch the fs during depend phase, nor screw with the sandbox. 15# Valid values are "always", "optional", and "manual".
18# 16# "tests" is a synonym for "optional".
19if [[ ${EBUILD_PHASE/depend} == "${EBUILD_PHASE}" ]] ; then 17: ${VIRTUALX_REQUIRED:=optional}
20 [[ -z ${SANDBOX_DISABLED} ]] && export SANDBOX_DISABLED="0" || : 18
21fi 19# @ECLASS-VARIABLE: VIRTUALX_USE
20# @DESCRIPTION:
21# If VIRTUALX_REQUIRED=optional, what USE flag should control
22# the dependency?
23: ${VIRTUALX_USE:=test}
24
25# @ECLASS-VARIABLE: VIRTUALX_DEPEND
26# @DESCRIPTION:
27# Dep string available for use outside of eclass, in case a more
28# complicated dep is needed.
29VIRTUALX_DEPEND="!prefix? ( x11-base/xorg-server )
30 x11-apps/xhost"
31
32case ${VIRTUALX_REQUIRED} in
33 always)
34 DEPEND="${VIRTUALX_DEPEND}"
35 RDEPEND=""
36 ;;
37 optional|tests)
38 DEPEND="${VIRTUALX_USE}? ( ${VIRTUALX_DEPEND} )"
39 RDEPEND=""
40 IUSE="${VIRTUALX_USE}"
41 ;;
42 manual)
43 ;;
44 *)
45 eerror "Invalid value (${VIRTUALX_REQUIRED}) for VIRTUALX_REQUIRED"
46 eerror "Valid values are:"
47 eerror " always"
48 eerror " optional (default if unset)"
49 eerror " manual"
50 die "Invalid value (${VIRTUALX_REQUIRED}) for VIRTUALX_REQUIRED"
51 ;;
52esac
22 53
23virtualmake() { 54virtualmake() {
24 local retval=0 55 local retval=0
25 local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}" 56 local OLD_SANDBOX_ON="${SANDBOX_ON}"
26 local XVFB=$(type -p Xvfb) 57 local XVFB=$(type -p Xvfb)
27 local XHOST=$(type -p xhost) 58 local XHOST=$(type -p xhost)
28 59
29 # If $DISPLAY is not set, or xhost cannot connect to an X 60 # If $DISPLAY is not set, or xhost cannot connect to an X
30 # display, then do the Xvfb hack. 61 # display, then do the Xvfb hack.
35 # compiling without the X display 66 # compiling without the X display
36 67
37 einfo "Scanning for an open DISPLAY to start Xvfb ..." 68 einfo "Scanning for an open DISPLAY to start Xvfb ..."
38 69
39 # We really do not want SANDBOX enabled here 70 # We really do not want SANDBOX enabled here
40 export SANDBOX_DISABLED="1" 71 export SANDBOX_ON="0"
41 72
42 local i=0 73 local i=0
43 XDISPLAY=$(i=0; while [[ -f /tmp/.X${i}-lock ]] ; do i=$((${i}+1));done; echo ${i}) 74 XDISPLAY=$(i=0; while [[ -f /tmp/.X${i}-lock ]] ; do ((i++));done; echo ${i})
44 75
45 # If we are in a chrooted environment, and there is already a 76 # If we are in a chrooted environment, and there is already a
46 # X server started outside of the chroot, Xvfb will fail to start 77 # X server started outside of the chroot, Xvfb will fail to start
47 # on the same display (most cases this is :0 ), so make sure 78 # on the same display (most cases this is :0 ), so make sure
48 # Xvfb is started, else bump the display number 79 # Xvfb is started, else bump the display number
64 sleep 2 95 sleep 2
65 96
66 local start=${XDISPLAY} 97 local start=${XDISPLAY}
67 while [[ ! -f /tmp/.X${XDISPLAY}-lock ]] ; do 98 while [[ ! -f /tmp/.X${XDISPLAY}-lock ]] ; do
68 # Stop trying after 15 tries 99 # Stop trying after 15 tries
69 if [[ $((${XDISPLAY} - ${start})) -gt 15 ]] ; then 100 if ((XDISPLAY - start > 15)) ; then
70 101
71 eerror "" 102 eerror ""
72 eerror "Unable to start Xvfb." 103 eerror "Unable to start Xvfb."
73 eerror "" 104 eerror ""
74 eerror "'/usr/bin/Xvfb :${XDISPLAY} -fp built-ins -screen 0 800x600x24' returns:" 105 eerror "'${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24' returns:"
75 eerror "" 106 eerror ""
76 ${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 107 ${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24
77 eerror "" 108 eerror ""
78 eerror "If possible, correct the above error and try your emerge again." 109 eerror "If possible, correct the above error and try your emerge again."
79 eerror "" 110 eerror ""
80 die 111 die
81 fi 112 fi
82 113
83 XDISPLAY=$((${XDISPLAY}+1)) 114 ((XDISPLAY++))
84 ${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 &>/dev/null & 115 ${XVFB} :${XDISPLAY} -fp built-ins -screen 0 800x600x24 &>/dev/null &
85 sleep 2 116 sleep 2
86 done 117 done
87 118
88 # Now enable SANDBOX again if needed. 119 # Now enable SANDBOX again if needed.
89 export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}" 120 export SANDBOX_ON="${OLD_SANDBOX_ON}"
90 121
91 einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..." 122 einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
92 123
93 export DISPLAY=:${XDISPLAY} 124 export DISPLAY=:${XDISPLAY}
94 #Do not break on error, but setup $retval, as we need 125 #Do not break on error, but setup $retval, as we need
95 #to kill Xvfb 126 #to kill Xvfb
96 ${maketype} $* 127 ${maketype} "$@"
97 retval=$? 128 retval=$?
98 129
99 #Now kill Xvfb 130 #Now kill Xvfb
100 kill $(cat /tmp/.X${XDISPLAY}-lock) 131 kill $(cat /tmp/.X${XDISPLAY}-lock)
101 else 132 else
102 #Normal make if we can connect to an X display 133 #Normal make if we can connect to an X display
103 ${maketype} $* 134 ${maketype} "$@"
104 retval=$? 135 retval=$?
105 fi 136 fi
106 137
107 return ${retval} 138 return ${retval}
108} 139}
109 140
141# @FUNCTION: Xmake
142# @DESCRIPTION:
110#Same as "make", but setup the Xvfb hack if needed 143# Same as "make", but set up the Xvfb hack if needed.
111Xmake() { 144Xmake() {
112 export maketype="make" 145 export maketype="make"
113 virtualmake "$*" 146 virtualmake "$@"
114} 147}
115 148
149# @FUNCTION: Xemake
150# @DESCRIPTION:
116#Same as "emake", but setup the Xvfb hack if needed 151# Same as "emake", but set up the Xvfb hack if needed.
117Xemake() { 152Xemake() {
118 export maketype="emake" 153 export maketype="emake"
119 virtualmake "$*" 154 virtualmake "$@"
120} 155}
121 156
157# @FUNCTION: Xeconf
158# @DESCRIPTION:
122#Same as "econf", but setup the Xvfb hack if needed 159# Same as "econf", but set up the Xvfb hack if needed.
123Xeconf() { 160Xeconf() {
124 export maketype="econf" 161 export maketype="econf"
125 virtualmake "$*" 162 virtualmake "$@"
126} 163}

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