| 1 | # Copyright 1999-2002 Gentoo Technologies, Inc. |
1 | # Copyright 1999-2012 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 | # Author: Martin Schlemmer <azarah@gentoo.org> |
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| 4 | # $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.8 2002/09/11 17:22:02 azarah Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.42 2012/10/02 08:14:36 kensington Exp $ |
| 5 | # This eclass can be used for packages that needs a working X environment to build |
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| 6 | ECLASS=virtualx |
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| 7 | INHERITED="$INHERITED $ECLASS" |
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| 8 | newdepend virtual/x11 |
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| 9 | |
4 | |
| 10 | DESCRIPTION="Based on the $ECLASS eclass" |
5 | # @ECLASS: virtualx.eclass |
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6 | # @MAINTAINER: |
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7 | # x11@gentoo.org |
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8 | # @AUTHOR: |
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9 | # Original author: Martin Schlemmer <azarah@gentoo.org> |
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10 | # @BLURB: This eclass can be used for packages that needs a working X environment to build. |
| 11 | |
11 | |
| 12 | [ -z "${SANDBOX_DISABLED}" ] && export SANDBOX_DISABLED="0" || : |
12 | # @ECLASS-VARIABLE: VIRTUALX_REQUIRED |
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13 | # @DESCRIPTION: |
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14 | # Variable specifying the dependency on xorg-server and xhost. |
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15 | # Possible special values are "always" and "manual", which specify |
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16 | # the dependency to be set unconditionaly or not at all. |
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17 | # Any other value is taken as useflag desired to be in control of |
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18 | # the dependency (eg. VIRTUALX_REQUIRED="kde" will add the dependency |
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19 | # into "kde? ( )" and add kde into IUSE. |
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20 | : ${VIRTUALX_REQUIRED:=test} |
| 13 | |
21 | |
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22 | # @ECLASS-VARIABLE: VIRTUALX_DEPEND |
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23 | # @DESCRIPTION: |
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24 | # Dep string available for use outside of eclass, in case a more |
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25 | # complicated dep is needed. |
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26 | # You can specify the variable BEFORE inherit to add more dependencies. |
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27 | VIRTUALX_DEPEND="${VIRTUALX_DEPEND} |
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28 | !prefix? ( x11-base/xorg-server[xvfb] ) |
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29 | x11-apps/xhost |
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30 | " |
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31 | |
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32 | # @ECLASS-VARIABLE: VIRTUALX_COMMAND |
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33 | # @DESCRIPTION: |
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34 | # Command (or eclass function call) to be run in the X11 environment |
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35 | # (within virtualmake function). |
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36 | : ${VIRTUALX_COMMAND:="emake"} |
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37 | |
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38 | has "${EAPI:-0}" 0 1 && die "virtualx eclass require EAPI=2 or newer." |
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39 | |
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40 | case ${VIRTUALX_REQUIRED} in |
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41 | manual) |
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42 | ;; |
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43 | always) |
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44 | DEPEND="${VIRTUALX_DEPEND}" |
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45 | RDEPEND="" |
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46 | ;; |
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47 | optional|tests) |
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48 | # deprecated section YAY. |
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49 | ewarn "QA: VIRTUALX_REQUIRED=optional and VIRTUALX_REQUIRED=tests are deprecated." |
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50 | ewarn "QA: You can drop the variable definition completely from ebuild," |
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51 | ewarn "QA: because it is default behaviour." |
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52 | |
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53 | if [[ -n ${VIRTUALX_USE} ]]; then |
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54 | # so they like to specify the useflag |
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55 | ewarn "QA: VIRTUALX_USE variable is deprecated." |
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56 | ewarn "QA: Please read eclass manpage to find out how to use VIRTUALX_REQUIRED" |
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57 | ewarn "QA: to achieve the same behaviour." |
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58 | fi |
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59 | |
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60 | [[ -z ${VIRTUALX_USE} ]] && VIRTUALX_USE="test" |
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61 | DEPEND="${VIRTUALX_USE}? ( ${VIRTUALX_DEPEND} )" |
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62 | RDEPEND="" |
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63 | IUSE="${VIRTUALX_USE}" |
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64 | ;; |
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65 | *) |
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66 | DEPEND="${VIRTUALX_REQUIRED}? ( ${VIRTUALX_DEPEND} )" |
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67 | RDEPEND="" |
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68 | IUSE="${VIRTUALX_REQUIRED}" |
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69 | ;; |
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70 | esac |
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71 | |
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72 | # @FUNCTION: virtualmake |
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73 | # @DESCRIPTION: |
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74 | # Function which attach to running X session or start new Xvfb session |
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75 | # where the VIRTUALX_COMMAND variable content gets executed. |
| 14 | virtualmake() { |
76 | virtualmake() { |
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77 | debug-print-function ${FUNCNAME} "$@" |
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78 | |
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79 | local i=0 |
| 15 | local retval=0 |
80 | local retval=0 |
| 16 | local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}" |
81 | local OLD_SANDBOX_ON="${SANDBOX_ON}" |
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82 | local XVFB=$(type -p Xvfb) |
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83 | local XHOST=$(type -p xhost) |
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84 | local xvfbargs="-screen 0 1280x1024x24" |
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85 | |
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86 | # backcompat for maketype |
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87 | if [[ -n ${maketype} ]]; then |
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88 | ewarn "QA: ebuild is exporting \$maketype=${maketype}" |
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89 | ewarn "QA: Ebuild should be migrated to use VIRTUALX_COMMAND=${maketype} instead." |
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90 | ewarn "QA: Setting VIRTUALX_COMMAND to \$maketype conveniently for now." |
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91 | VIRTUALX_COMMAND=${maketype} |
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92 | fi |
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93 | |
| 18 | #If $DISPLAY is not set, or xhost cannot connect to an X |
94 | # If $DISPLAY is not set, or xhost cannot connect to an X |
| 19 | #display, then do the Xvfb hack. |
95 | # display, then do the Xvfb hack. |
| 20 | if [ -z "$DISPLAY" ] || ! (/usr/X11R6/bin/xhost &>/dev/null) |
96 | if [[ -n ${XVFB} && -n ${XHOST} ]] && \ |
| 21 | then |
97 | ( [[ -z ${DISPLAY} ]] || ! (${XHOST} &>/dev/null) ) ; then |
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98 | debug-print "${FUNCNAME}: running Xvfb hack" |
| 22 | export XAUTHORITY= |
99 | export XAUTHORITY= |
| 23 | # The following is derived from Mandrake's hack to allow |
100 | # The following is derived from Mandrake's hack to allow |
| 24 | # compiling without the X display |
101 | # compiling without the X display |
| 25 | |
102 | |
| 26 | einfo "Scanning for a open DISPLAY to start Xvfb..." |
103 | einfo "Scanning for an open DISPLAY to start Xvfb ..." |
| 27 | |
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| 28 | # We really do not want SANDBOX enabled here |
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| 29 | export SANDBOX_DISABLED="1" |
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| 30 | |
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| 31 | local i=0 |
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| 32 | XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i}) |
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| 33 | |
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| 34 | # If we are in a chrooted environment, and there is already a |
104 | # If we are in a chrooted environment, and there is already a |
| 35 | # X server started outside of the chroot, Xvfb will fail to start |
105 | # X server started outside of the chroot, Xvfb will fail to start |
| 36 | # on the same display (most cases this is :0 ), so make sure |
106 | # on the same display (most cases this is :0 ), so make sure |
| 37 | # Xvfb is started, else bump the display number |
107 | # Xvfb is started, else bump the display number |
| 38 | # |
108 | # |
| 39 | # Azarah - 5 May 2002 |
109 | # Azarah - 5 May 2002 |
| 40 | # |
110 | XDISPLAY=$(i=0; while [[ -f /tmp/.X${i}-lock ]] ; do ((i++));done; echo ${i}) |
| 41 | /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null & |
111 | debug-print "${FUNCNAME}: XDISPLAY=${XDISPLAY}" |
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112 | |
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113 | # We really do not want SANDBOX enabled here |
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114 | export SANDBOX_ON="0" |
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115 | |
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116 | debug-print "${FUNCNAME}: ${XVFB} :${XDISPLAY} ${xvfbargs}" |
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117 | ${XVFB} :${XDISPLAY} ${xvfbargs} &>/dev/null & |
| 42 | sleep 2 |
118 | sleep 2 |
| 43 | |
119 | |
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120 | local start=${XDISPLAY} |
| 44 | while [ ! -f /tmp/.X${XDISPLAY}-lock ] |
121 | while [[ ! -f /tmp/.X${XDISPLAY}-lock ]]; do |
| 45 | do |
122 | # Stop trying after 15 tries |
| 46 | XDISPLAY=$((${XDISPLAY}+1)) |
123 | if ((XDISPLAY - start > 15)) ; then |
| 47 | /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null & |
124 | eerror "'${XVFB} :${XDISPLAY} ${xvfbargs}' returns:" |
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125 | echo |
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126 | ${XVFB} :${XDISPLAY} ${xvfbargs} |
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127 | echo |
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128 | eerror "If possible, correct the above error and try your emerge again." |
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129 | die "Unable to start Xvfb" |
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130 | fi |
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131 | |
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132 | ((XDISPLAY++)) |
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133 | debug-print "${FUNCNAME}: ${XVFB} :${XDISPLAY} ${xvfbargs}" |
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134 | ${XVFB} :${XDISPLAY} ${xvfbargs} &>/dev/null & |
| 48 | sleep 2 |
135 | sleep 2 |
| 49 | done |
136 | done |
| 50 | |
137 | |
| 51 | # Now enable SANDBOX again if needed. |
138 | # Now enable SANDBOX again if needed. |
| 52 | export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}" |
139 | export SANDBOX_ON="${OLD_SANDBOX_ON}" |
| 53 | |
140 | |
| 54 | einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..." |
141 | einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..." |
| 55 | |
142 | |
| 56 | export DISPLAY=:${XDISPLAY} |
143 | export DISPLAY=:${XDISPLAY} |
| 57 | #Do not break on error, but setup $retval, as we need |
144 | # Do not break on error, but setup $retval, as we need |
| 58 | #to kill Xvfb |
145 | # to kill Xvfb |
| 59 | ${maketype} $* |
146 | debug-print "${FUNCNAME}: ${VIRTUALX_COMMAND} \"$@\"" |
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147 | nonfatal ${VIRTUALX_COMMAND} "$@" |
| 60 | retval=$? |
148 | retval=$? |
| 61 | |
149 | |
| 62 | #Now kill Xvfb |
150 | # Now kill Xvfb |
| 63 | kill $(cat /tmp/.X${XDISPLAY}-lock) |
151 | kill $(cat /tmp/.X${XDISPLAY}-lock) |
| 64 | else |
152 | else |
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153 | debug-print "${FUNCNAME}: attaching to running X display" |
| 65 | #Normal make if we can connect to an X display |
154 | # Normal make if we can connect to an X display |
| 66 | ${maketype} $* |
155 | debug-print "${FUNCNAME}: ${VIRTUALX_COMMAND} \"$@\"" |
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156 | ${VIRTUALX_COMMAND} "$@" |
| 67 | retval=$? |
157 | retval=$? |
| 68 | fi |
158 | fi |
| 69 | |
159 | |
| 70 | return $retval |
160 | # die if our command failed |
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161 | [[ ${retval} -ne 0 ]] && die "${FUNCNAME}: the ${VIRTUALX_COMMAND} failed." |
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162 | |
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163 | return 0 # always return 0, it can be altered by failed kill for Xvfb |
| 71 | } |
164 | } |
| 72 | |
165 | |
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166 | # @FUNCTION: Xmake |
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167 | # @DESCRIPTION: |
| 73 | #Same as "make", but setup the Xvfb hack if needed |
168 | # Same as "make", but set up the Xvfb hack if needed. |
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169 | # Deprecated call. |
| 74 | Xmake() { |
170 | Xmake() { |
| 75 | export maketype="make" |
171 | debug-print-function ${FUNCNAME} "$@" |
| 76 | virtualmake "$*" |
172 | |
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173 | ewarn "QA: you should not execute make directly" |
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174 | ewarn "QA: rather execute Xemake -j1 if you have issues with parallel make" |
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175 | VIRTUALX_COMMAND="emake -j1" virtualmake "$@" |
| 77 | } |
176 | } |
| 78 | |
177 | |
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178 | # @FUNCTION: Xemake |
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179 | # @DESCRIPTION: |
| 79 | #Same as "emake", but setup the Xvfb hack if needed |
180 | # Same as "emake", but set up the Xvfb hack if needed. |
| 80 | Xemake() { |
181 | Xemake() { |
| 81 | export maketype="emake" |
182 | debug-print-function ${FUNCNAME} "$@" |
| 82 | virtualmake "$*" |
183 | |
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184 | VIRTUALX_COMMAND="emake" virtualmake "$@" |
| 83 | } |
185 | } |
| 84 | |
186 | |
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187 | # @FUNCTION: Xeconf |
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188 | # @DESCRIPTION: |
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189 | # Same as "econf", but set up the Xvfb hack if needed. |
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190 | Xeconf() { |
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191 | debug-print-function ${FUNCNAME} "$@" |
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192 | |
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193 | VIRTUALX_COMMAND="econf" virtualmake "$@" |
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194 | } |
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