/[gentoo-x86]/eclass/virtualx.eclass
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Revision 1.10 - (hide annotations) (download)
Wed Jan 22 01:47:34 2003 UTC (11 years, 7 months ago) by jrray
Branch: MAIN
Changes since 1.9: +17 -1 lines
Added check to avoid infinite loop, closes bug 13904.

1 azarah 1.1 # Copyright 1999-2002 Gentoo Technologies, Inc.
2 vapier 1.9 # Distributed under the terms of the GNU General Public License v2
3 azarah 1.1 # Author: Martin Schlemmer <azarah@gentoo.org>
4 jrray 1.10 # $Header: /home/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.9 2002/10/25 19:55:52 vapier Exp $
5 azarah 1.1 # This eclass can be used for packages that needs a working X environment to build
6 vapier 1.9
7 azarah 1.1 ECLASS=virtualx
8 danarmak 1.7 INHERITED="$INHERITED $ECLASS"
9 azarah 1.1 newdepend virtual/x11
10    
11     DESCRIPTION="Based on the $ECLASS eclass"
12    
13 azarah 1.8 [ -z "${SANDBOX_DISABLED}" ] && export SANDBOX_DISABLED="0" || :
14    
15 azarah 1.1 virtualmake() {
16     local retval=0
17 azarah 1.8 local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}"
18 azarah 1.1
19     #If $DISPLAY is not set, or xhost cannot connect to an X
20     #display, then do the Xvfb hack.
21 azarah 1.5 if [ -z "$DISPLAY" ] || ! (/usr/X11R6/bin/xhost &>/dev/null)
22 azarah 1.1 then
23 azarah 1.3 export XAUTHORITY=
24 azarah 1.4 # The following is derived from Mandrake's hack to allow
25     # compiling without the X display
26    
27 azarah 1.6 einfo "Scanning for a open DISPLAY to start Xvfb..."
28 azarah 1.8
29     # We really do not want SANDBOX enabled here
30     export SANDBOX_DISABLED="1"
31 azarah 1.5
32     local i=0
33     XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i})
34    
35     # If we are in a chrooted environment, and there is already a
36     # X server started outside of the chroot, Xvfb will fail to start
37     # on the same display (most cases this is :0 ), so make sure
38     # Xvfb is started, else bump the display number
39     #
40     # Azarah - 5 May 2002
41     #
42 azarah 1.1 /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
43 azarah 1.5 sleep 2
44    
45 jrray 1.10 local start=${XDISPLAY}
46 azarah 1.5 while [ ! -f /tmp/.X${XDISPLAY}-lock ]
47     do
48 jrray 1.10 # 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 :${XDISPLAY} -screen 0 800x600x32
57     eerror ""
58     eerror "If possible, correct the above error and try your emerge again."
59     eerror ""
60     die
61     fi
62    
63 azarah 1.5 XDISPLAY=$((${XDISPLAY}+1))
64     /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x32 &>/dev/null &
65     sleep 2
66     done
67    
68 azarah 1.8 # Now enable SANDBOX again if needed.
69     export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}"
70    
71 azarah 1.6 einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
72 azarah 1.1
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 azarah 1.8
87 azarah 1.1 return $retval
88     }
89    
90     #Same as "make", but setup the Xvfb hack if needed
91 azarah 1.2 Xmake() {
92 azarah 1.1 export maketype="make"
93     virtualmake "$*"
94     }
95    
96     #Same as "emake", but setup the Xvfb hack if needed
97 azarah 1.2 Xemake() {
98 azarah 1.1 export maketype="emake"
99     virtualmake "$*"
100     }

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