gentoo-x86/eclass/virtualx.eclass

# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.17 2004/08/22 17:48:59 swegener Exp $
#
# Author: Martin Schlemmer <azarah@gentoo.org>
#
# This eclass can be used for packages that needs a working X environment to build

ECLASS=virtualx
INHERITED="$INHERITED $ECLASS"
DEPEND="virtual/x11"

DESCRIPTION="Based on the $ECLASS eclass"

[ -z "${SANDBOX_DISABLED}" ] && export SANDBOX_DISABLED="0" || :

virtualmake() {
        local retval=0
        local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}"

        #If $DISPLAY is not set, or xhost cannot connect to an X
        #display, then do the Xvfb hack.
        if [ -z "$DISPLAY" ] || ! (/usr/X11R6/bin/xhost &>/dev/null)
        then
                export XAUTHORITY=
                # The following is derived from Mandrake's hack to allow
                # compiling without the X display

                einfo "Scanning for a open DISPLAY to start Xvfb ..."

                # We really do not want SANDBOX enabled here
                export SANDBOX_DISABLED="1"
                
                local i=0
                XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i})
                
                # If we are in a chrooted environment, and there is already a
                # X server started outside of the chroot, Xvfb will fail to start
                # on the same display (most cases this is :0 ), so make sure
                # Xvfb is started, else bump the display number
                #
                # Azarah - 5 May 2002
                #
                # Changed the mode from 800x600x32 to 800x600x24 because the mfb
                # support has been dropped in Xvfb in the xorg-x11 pre-releases.
                # For now only depths up to 24-bit are supported.
                #
                # Sven Wegener <swegener@gentoo.org> - 22 Aug 2004
                #
                /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24 &>/dev/null &
                sleep 2
                
                local start=${XDISPLAY}
                while [ ! -f /tmp/.X${XDISPLAY}-lock ]
                do
                        # Stop trying after 15 tries
                        if [ $((${XDISPLAY} - ${start})) -gt 15 ]; then

                                eerror ""
                                eerror "Unable to start Xvfb."
                                eerror ""
                                eerror "'/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24' returns:"
                                eerror ""
                                /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24
                                eerror ""
                                eerror "If possible, correct the above error and try your emerge again."
                                eerror ""
                                die
                        fi

                        XDISPLAY=$((${XDISPLAY}+1))
                        /usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24 &>/dev/null &
                        sleep 2
                done

                # Now enable SANDBOX again if needed.
                export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}"

                einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
                
                export DISPLAY=:${XDISPLAY}
                #Do not break on error, but setup $retval, as we need
                #to kill Xvfb
                ${maketype} $*
                retval=$?

                #Now kill Xvfb
                kill $(cat /tmp/.X${XDISPLAY}-lock)
        else
                #Normal make if we can connect to an X display
                ${maketype} $*
                retval=$?
        fi

        return $retval
}

#Same as "make", but setup the Xvfb hack if needed
Xmake() {
        export maketype="make"
        virtualmake "$*"
}

#Same as "emake", but setup the Xvfb hack if needed
Xemake() {
        export maketype="emake"
        virtualmake "$*"
}

#Same as "econf", but setup the Xvfb hack if needed
Xeconf() {
        export maketype="econf"
        virtualmake "$*"
}
1	vapier	1.16	# Copyright 1999-2004 Gentoo Foundation
2	vapier	1.9	# Distributed under the terms of the GNU General Public License v2
3	vapier	1.18	# $Header: /var/cvsroot/gentoo-x86/eclass/virtualx.eclass,v 1.17 2004/08/22 17:48:59 swegener Exp $
4	vapier	1.11	#
5	azarah	1.1	# Author: Martin Schlemmer <azarah@gentoo.org>
6	vapier	1.11	#
7	azarah	1.1	# This eclass can be used for packages that needs a working X environment to build
8	vapier	1.9
9	azarah	1.1	ECLASS=virtualx
10	danarmak	1.7	INHERITED="$INHERITED $ECLASS"
11	mr_bones_	1.15	DEPEND="virtual/x11"
12	azarah	1.1
13	vapier	1.13	DESCRIPTION="Based on the $ECLASS eclass"
14	azarah	1.1
15	azarah	1.8	[ -z "${SANDBOX_DISABLED}" ] && export SANDBOX_DISABLED="0" \|\| :
16
17	azarah	1.1	virtualmake() {
18			local retval=0
19	azarah	1.8	local OLD_SANDBOX_DISABLED="${SANDBOX_DISABLED}"
20	azarah	1.1
21			#If $DISPLAY is not set, or xhost cannot connect to an X
22			#display, then do the Xvfb hack.
23	azarah	1.5	if [ -z "$DISPLAY" ] \|\| ! (/usr/X11R6/bin/xhost &>/dev/null)
24	azarah	1.1	then
25	azarah	1.3	export XAUTHORITY=
26	azarah	1.4	# The following is derived from Mandrake's hack to allow
27			# compiling without the X display
28
29	vapier	1.18	einfo "Scanning for a open DISPLAY to start Xvfb ..."
30	azarah	1.8
31			# We really do not want SANDBOX enabled here
32			export SANDBOX_DISABLED="1"
33	azarah	1.5
34			local i=0
35			XDISPLAY=$(i=0; while [ -f /tmp/.X${i}-lock ] ; do i=$((${i}+1));done; echo ${i})
36
37			# If we are in a chrooted environment, and there is already a
38			# X server started outside of the chroot, Xvfb will fail to start
39			# on the same display (most cases this is :0 ), so make sure
40			# Xvfb is started, else bump the display number
41			#
42			# Azarah - 5 May 2002
43			#
44	swegener	1.17	# Changed the mode from 800x600x32 to 800x600x24 because the mfb
45			# support has been dropped in Xvfb in the xorg-x11 pre-releases.
46			# For now only depths up to 24-bit are supported.
47			#
48			# Sven Wegener <swegener@gentoo.org> - 22 Aug 2004
49			#
50			/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24 &>/dev/null &
51	azarah	1.5	sleep 2
52
53	jrray	1.10	local start=${XDISPLAY}
54	azarah	1.5	while [ ! -f /tmp/.X${XDISPLAY}-lock ]
55			do
56	jrray	1.10	# Stop trying after 15 tries
57			if [ $((${XDISPLAY} - ${start})) -gt 15 ]; then
58
59			eerror ""
60			eerror "Unable to start Xvfb."
61			eerror ""
62	swegener	1.17	eerror "'/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24' returns:"
63	jrray	1.10	eerror ""
64	swegener	1.17	/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24
65	jrray	1.10	eerror ""
66			eerror "If possible, correct the above error and try your emerge again."
67			eerror ""
68			die
69			fi
70
71	azarah	1.5	XDISPLAY=$((${XDISPLAY}+1))
72	swegener	1.17	/usr/X11R6/bin/Xvfb :${XDISPLAY} -screen 0 800x600x24 &>/dev/null &
73	azarah	1.5	sleep 2
74			done
75
76	azarah	1.8	# Now enable SANDBOX again if needed.
77			export SANDBOX_DISABLED="${OLD_SANDBOX_DISABLED}"
78
79	azarah	1.6	einfo "Starting Xvfb on \$DISPLAY=${XDISPLAY} ..."
80	azarah	1.1
81			export DISPLAY=:${XDISPLAY}
82			#Do not break on error, but setup $retval, as we need
83			#to kill Xvfb
84			${maketype} $*
85			retval=$?
86
87			#Now kill Xvfb
88			kill $(cat /tmp/.X${XDISPLAY}-lock)
89			else
90			#Normal make if we can connect to an X display
91			${maketype} $*
92			retval=$?
93			fi
94	azarah	1.8
95	azarah	1.1	return $retval
96			}
97
98			#Same as "make", but setup the Xvfb hack if needed
99	azarah	1.2	Xmake() {
100	azarah	1.1	export maketype="make"
101			virtualmake "$*"
102			}
103
104			#Same as "emake", but setup the Xvfb hack if needed
105	azarah	1.2	Xemake() {
106	azarah	1.1	export maketype="emake"
107			virtualmake "$*"
108			}
109
110	jje	1.14	#Same as "econf", but setup the Xvfb hack if needed
111			Xeconf() {
112			export maketype="econf"
113			virtualmake "$*"
114			}