/[gentoo-x86]/eclass/virtualx.eclass
Gentoo

Contents of /eclass/virtualx.eclass

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.10 - (show annotations) (download)
Wed Jan 22 01:47:34 2003 UTC (11 years, 6 months ago) by jrray
Branch: MAIN
Changes since 1.9: +17 -1 lines
Added check to avoid infinite loop, closes bug 13904.

1 # Copyright 1999-2002 Gentoo Technologies, Inc.
2 # Distributed under the terms of the GNU General Public License v2
3 # Author: Martin Schlemmer <azarah@gentoo.org>
4 # $Header: /home/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.9 2002/10/25 19:55:52 vapier Exp $
5 # This eclass can be used for packages that needs a working X environment to build
6
7 ECLASS=virtualx
8 INHERITED="$INHERITED $ECLASS"
9 newdepend virtual/x11
10
11 DESCRIPTION="Based on the $ECLASS eclass"
12
13 [ -z "${SANDBOX_DISABLED}" ] && export SANDBOX_DISABLED="0" || :
14
15 virtualmake() {
16 local retval=0
17 local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}"
18
19 #If $DISPLAY is not set, or xhost cannot connect to an X
20 #display, then do the Xvfb hack.
21 if [ -z "$DISPLAY" ] || ! (/usr/X11R6/bin/xhost &>/dev/null)
22 then
23 export XAUTHORITY=
24 # The following is derived from Mandrake's hack to allow
25 # compiling without the X display
26
27 einfo "Scanning for a open DISPLAY to start Xvfb..."
28
29 # We really do not want SANDBOX enabled here
30 export SANDBOX_DISABLED="1"
31
32 local i=0
33 XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i})
34
35 # If we are in a chrooted environment, and there is already a
36 # X server started outside of the chroot, Xvfb will fail to start
37 # on the same display (most cases this is :0 ), so make sure
38 # Xvfb is started, else bump the display number
39 #
40 # Azarah - 5 May 2002
41 #
42 /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
43 sleep 2
44
45 local start=${XDISPLAY}
46 while [ ! -f /tmp/.X${XDISPLAY}-lock ]
47 do
48 # Stop trying after 15 tries
49 if [ $((${XDISPLAY} - ${start})) -gt 15 ]; then
50
51 eerror ""
52 eerror "Unable to start Xvfb."
53 eerror ""
54 eerror "'/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32' returns:"
55 eerror ""
56 /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32
57 eerror ""
58 eerror "If possible, correct the above error and try your emerge again."
59 eerror ""
60 die
61 fi
62
63 XDISPLAY=$((${XDISPLAY}+1))
64 /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
65 sleep 2
66 done
67
68 # Now enable SANDBOX again if needed.
69 export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}"
70
71 einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
72
73 export DISPLAY=:${XDISPLAY}
74 #Do not break on error, but setup $retval, as we need
75 #to kill Xvfb
76 ${maketype} $*
77 retval=$?
78
79 #Now kill Xvfb
80 kill $(cat /tmp/.X${XDISPLAY}-lock)
81 else
82 #Normal make if we can connect to an X display
83 ${maketype} $*
84 retval=$?
85 fi
86
87 return $retval
88 }
89
90 #Same as "make", but setup the Xvfb hack if needed
91 Xmake() {
92 export maketype="make"
93 virtualmake "$*"
94 }
95
96 #Same as "emake", but setup the Xvfb hack if needed
97 Xemake() {
98 export maketype="emake"
99 virtualmake "$*"
100 }

  ViewVC Help
Powered by ViewVC 1.1.20