/[gentoo-x86]/eclass/virtualx.eclass
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Revision 1.20 - (show annotations) (download)
Tue Jun 7 14:26:03 2005 UTC (9 years, 4 months ago) by azarah
Branch: MAIN
Changes since 1.19: +17 -16 lines
Do not pull in X if not requested.  Some syntax fixes.

1 # Copyright 1999-2004 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.19 2004/11/04 10:53:14 ferringb 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
9 ECLASS=virtualx
10 INHERITED="$INHERITED $ECLASS"
11 DEPEND="X? ( virtual/x11 )"
12
13 DESCRIPTION="Based on the $ECLASS eclass"
14
15 #
16 # Brian Harring <ferringb@gentoo.org> 11/04/2004
17 # do not disable the sandbox during the depend phase.
18 # ebuilds shouldn't touch the fs during depend phase, nor screw with the sandbox.
19 #
20 if [[ ${EBUILD_PHASE/depend} == "${EBUILD_PHASE}" ]] ; then
21 [[ -z ${SANDBOX_DISABLED} ]] && export SANDBOX_DISABLED="0" || :
22 fi
23
24 virtualmake() {
25 local retval=0
26 local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}"
27 local XVFB=$(type -p Xvfb)
28 local XHOST=$(type -p xhost)
29
30 # If $DISPLAY is not set, or xhost cannot connect to an X
31 # display, then do the Xvfb hack.
32 if [[ -n ${XVFB} && -n ${XHOST} ]] && \
33 ( [[ -z ${DISPLAY} ]] || ! (${XHOST} &>/dev/null) ) ; then
34 export XAUTHORITY=
35 # The following is derived from Mandrake's hack to allow
36 # compiling without the X display
37
38 einfo "Scanning for a open DISPLAY to start Xvfb ..."
39
40 # We really do not want SANDBOX enabled here
41 export SANDBOX_DISABLED="1"
42
43 local i=0
44 XDISPLAY=$(i=0; while [[ -f /tmp/.X${i}-lock ]] ; do i=$((${i}+1));done; echo ${i})
45
46 # If we are in a chrooted environment, and there is already a
47 # X server started outside of the chroot, Xvfb will fail to start
48 # on the same display (most cases this is :0 ), so make sure
49 # Xvfb is started, else bump the display number
50 #
51 # Azarah - 5 May 2002
52 #
53 # Changed the mode from 800x600x32 to 800x600x24 because the mfb
54 # support has been dropped in Xvfb in the xorg-x11 pre-releases.
55 # For now only depths up to 24-bit are supported.
56 #
57 # Sven Wegener <swegener@gentoo.org> - 22 Aug 2004
58 #
59 ${XVFB} :${XDISPLAY} -screen 0 800x600x24 &>/dev/null &
60 sleep 2
61
62 local start=${XDISPLAY}
63 while [[ ! -f /tmp/.X${XDISPLAY}-lock ]] ; do
64 # Stop trying after 15 tries
65 if [[ $((${XDISPLAY} - ${start})) -gt 15 ]] ; then
66
67 eerror ""
68 eerror "Unable to start Xvfb."
69 eerror ""
70 eerror "'/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24' returns:"
71 eerror ""
72 ${XVFB} :${XDISPLAY} -screen 0 800x600x24
73 eerror ""
74 eerror "If possible, correct the above error and try your emerge again."
75 eerror ""
76 die
77 fi
78
79 XDISPLAY=$((${XDISPLAY}+1))
80 ${XVFB} :${XDISPLAY} -screen 0 800x600x24 &>/dev/null &
81 sleep 2
82 done
83
84 # Now enable SANDBOX again if needed.
85 export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}"
86
87 einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
88
89 export DISPLAY=:${XDISPLAY}
90 #Do not break on error, but setup $retval, as we need
91 #to kill Xvfb
92 ${maketype} $*
93 retval=$?
94
95 #Now kill Xvfb
96 kill $(cat /tmp/.X${XDISPLAY}-lock)
97 else
98 #Normal make if we can connect to an X display
99 ${maketype} $*
100 retval=$?
101 fi
102
103 return ${retval}
104 }
105
106 #Same as "make", but setup the Xvfb hack if needed
107 Xmake() {
108 export maketype="make"
109 virtualmake "$*"
110 }
111
112 #Same as "emake", but setup the Xvfb hack if needed
113 Xemake() {
114 export maketype="emake"
115 virtualmake "$*"
116 }
117
118 #Same as "econf", but setup the Xvfb hack if needed
119 Xeconf() {
120 export maketype="econf"
121 virtualmake "$*"
122 }

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