/[gentoo-x86]/eclass/java-vm-2.eclass
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Revision 1.19 - (show annotations) (download)
Sun Dec 16 17:11:01 2007 UTC (6 years, 9 months ago) by caster
Branch: MAIN
Changes since 1.18: +25 -1 lines
Add a java-vm_revdep-mask() function for bug #177925.

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/java-vm-2.eclass,v 1.18 2007/10/09 10:18:14 ali_bush Exp $
4
5 # -----------------------------------------------------------------------------
6 # @eclass-begin
7 # @eclass-shortdesc Java Virtual Machine eclass
8 # @eclass-maintainer java@gentoo.org
9 #
10 # This eclass provides functionality which assists with installing
11 # virtual machines, and ensures that they are recognized by java-config.
12 #
13 # -----------------------------------------------------------------------------
14
15 inherit eutils fdo-mime
16
17 DEPEND="
18 =dev-java/java-config-2*
19 >=sys-apps/portage-2.1"
20 RDEPEND="
21 =dev-java/java-config-2*
22 =dev-java/java-config-1.3*"
23
24 export WANT_JAVA_CONFIG=2
25
26 JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm"
27 JAVA_VM_DIR="/usr/lib/jvm"
28
29 EXPORT_FUNCTIONS pkg_setup pkg_postinst pkg_prerm pkg_postrm
30
31 java-vm-2_pkg_setup() {
32 if [[ "${SLOT}" != "0" ]]; then
33 VMHANDLE=${PN}-${SLOT}
34 else
35 VMHANDLE=${PN}
36 fi
37 }
38
39 java-vm-2_pkg_postinst() {
40 # Set the generation-2 system VM, if it isn't set
41 if [[ -z "$(java-config-2 -f)" ]]; then
42 java_set_default_vm_
43 fi
44
45 # support both variables for now
46 if [[ ${JAVA_SUPPORTS_GENERATION_1} == 'true' && ${JAVA_VM_NO_GENERATION1} != 'true' ]]; then
47 local systemvm1="$(java-config-1 -f 2>/dev/null)"
48 # no generation-1 system-vm was previously set
49 if [[ -z "${systemvm1}" ]]; then
50 # if 20java exists, must be using old VM
51 if [[ -f /etc/env.d/20java ]]; then
52 ewarn "The current generation-1 system-vm is using an out-of-date VM,"
53 ewarn "as in, it hasn't been updated for use with the new Java sytem."
54 # othewise, it must not have been set before
55 else
56 ewarn "No generation-1 system-vm previously set."
57 fi
58 ewarn "Setting generation-1 system-vm to ${VMHANDLE}"
59 java-config-1 --set-system-vm=${P} 2>/dev/null
60 # dirty check to see if we are upgrading current generation-1 system vm
61 elif [[ "${systemvm1}" = ${VMHANDLE}* ]]; then
62 einfo "Emerging the current generation-1 system-vm..."
63 einfo "Updating its config files."
64 java-config-1 --set-system-vm=${P} 2>/dev/null
65 # dirty check to see if current system vm is a jre - replace it with
66 elif [[ "${systemvm1}" = *jre* ]]; then
67 ewarn "Current generation-1 system-vm is a JRE"
68 ewarn "For the new and old Java systems to coexist,"
69 ewarn "the generation-1 system-vm must be a JDK."
70 ewarn "Setting generation-1 system-vm to ${VMHANDLE}"
71 java-config-1 --set-system-vm=${P} 2>/dev/null
72 fi
73 # else... some other VM is being updated, so we don't have to worry
74 else
75 einfo "JREs and 1.5+ JDKs are not supported for use with generation-1."
76 einfo "This is because generation-1 is only for use for building packages."
77 einfo "Only generation-2 should be used by end-users,"
78 einfo "where all JREs and JDKs will be available"
79 fi
80
81 echo
82
83 java-vm_check-nsplugin
84 java_mozilla_clean_
85 fdo-mime_desktop_database_update
86 }
87
88 java-vm_check-nsplugin() {
89 local libdir
90 if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then
91 libdir=lib32
92 else
93 libdir=lib
94 fi
95 # Install a default nsplugin if we don't already have one
96 if has nsplugin ${IUSE} && use nsplugin; then
97 if [[ ! -f /usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then
98 einfo "No system nsplugin currently set."
99 java-vm_set-nsplugin
100 else
101 einfo "System nsplugin is already set, not changing it."
102 fi
103 einfo "You can change nsplugin with eselect java-nsplugin."
104 fi
105 }
106
107 java-vm_set-nsplugin() {
108 local extra_args
109 if use amd64; then
110 if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then
111 extra_args="32bit"
112 else
113 extra_args="64bit"
114 fi
115 einfo "Setting ${extra_args} nsplugin to ${VMHANDLE}"
116 else
117 einfo "Setting nsplugin to ${VMHANDLE}..."
118 fi
119 eselect java-nsplugin set ${extra_args} ${VMHANDLE}
120 }
121
122 java-vm-2_pkg_prerm() {
123 if [[ "$(java-config -f 2>/dev/null)" == "${VMHANDLE}" ]]; then
124 ewarn "It appears you are removing your system-vm!"
125 ewarn "Please run java-config -L to list available VMs,"
126 ewarn "then use java-config -S to set a new system-vm!"
127 fi
128 }
129
130 java-vm-2_pkg_postrm() {
131 fdo-mime_desktop_database_update
132 }
133
134 java_set_default_vm_() {
135 java-config-2 --set-system-vm="${VMHANDLE}"
136
137 einfo " ${P} set as the default system-vm."
138 }
139
140 get_system_arch() {
141 local sarch
142 sarch=$(echo ${ARCH} | sed -e s/[i]*.86/i386/ -e s/x86_64/amd64/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/)
143 if [ -z "${sarch}" ]; then
144 sarch=$(uname -m | sed -e s/[i]*.86/i386/ -e s/x86_64/amd64/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/)
145 fi
146 echo ${sarch}
147 }
148
149 # TODO rename to something more evident, like install_env_file
150 set_java_env() {
151 local platform="$(get_system_arch)"
152 local env_file="${D}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}"
153 local old_env_file="${D}/etc/env.d/java/20${P}"
154 local source_env_file="${FILESDIR}/${VMHANDLE}.env"
155
156 if [[ ! -f ${source_env_file} ]]; then
157 die "Unable to find the env file: ${source_env_file}"
158 fi
159
160 dodir ${JAVA_VM_CONFIG_DIR}
161 sed \
162 -e "s/@P@/${P}/g" \
163 -e "s/@PN@/${PN}/g" \
164 -e "s/@PV@/${PV}/g" \
165 -e "s/@PF@/${PF}/g" \
166 -e "s/@PLATFORM@/${platform}/g" \
167 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \
168 < ${source_env_file} \
169 > ${env_file} || die "sed failed"
170
171 echo "VMHANDLE=\"${VMHANDLE}\"" >> ${env_file}
172
173 # generation-1 compatibility
174 # respect both variables for now...
175 if [[ ${JAVA_SUPPORTS_GENERATION_1} == 'true' && ${JAVA_VM_NO_GENERATION1} != 'true' ]]; then
176 einfo "Enabling generation-1 compatibility..."
177 dodir /etc/env.d/java # generation-1 compatibility
178 # We need to strip some things out of the new style env,
179 # because these end up going in the env
180 sed -e 's/.*CLASSPATH.*//' \
181 -e 's/.*PROVIDES.*//' \
182 ${env_file} \
183 > ${old_env_file} || die "failed to create generation-1 env file"
184 else
185 ewarn "Disabling generation-1 compatibility..."
186 fi
187
188 [[ -n ${JAVA_PROVIDE} ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\"" >> ${env_file}
189
190 local java_home=$(source ${env_file}; echo ${JAVA_HOME})
191 [[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}"
192
193 # Make the symlink
194 dosym ${java_home} ${JAVA_VM_DIR}/${VMHANDLE} \
195 || die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}"
196 }
197
198 # -----------------------------------------------------------------------------
199 # @ebuild-function java-vm_revdep-mask
200 #
201 # Installs a revdep-rebuild control file which SEARCH_DIR_MASK set to the path
202 # where the VM is installed. Prevents pointless rebuilds - see bug #177925.
203 # Also gives a notice to the user.
204 #
205 # @example
206 # java-vm_revdep-mask
207 # java-vm_revdep-mask /path/to/jdk/
208 #
209 # @param $1 - Path of the VM (defaults to /opt/${P} if not set)
210 # ------------------------------------------------------------------------------
211 java-vm_revdep-mask() {
212 local VMROOT="${1-/opt/${P}}"
213
214 dodir /etc/revdep-rebuild/
215 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${D}/etc/revdep-rebuild/61-${VMHANDLE}"
216
217 elog "A revdep-rebuild control file was installed to prevent reinstalls due to"
218 elog "missing dependencies (see bug #177925 for more info). Note that some parts"
219 elog "of the JVM may require dependencies that are pulled only through respective"
220 elog "USE flags (typically X, alsa, odbc) and some Java code may fail without them."
221 }
222
223 java_get_plugin_dir_() {
224 echo /usr/$(get_libdir)/nsbrowser/plugins
225 }
226
227 install_mozilla_plugin() {
228 local plugin=${1}
229
230 if [ ! -f "${D}/${plugin}" ] ; then
231 die "Cannot find mozilla plugin at ${D}/${plugin}"
232 fi
233
234 local plugin_dir=/usr/share/java-config-2/nsplugin
235 dodir ${plugin_dir}
236 dosym ${plugin} ${plugin_dir}/${VMHANDLE}-javaplugin.so
237 }
238
239 java_mozilla_clean_() {
240 # Because previously some ebuilds installed symlinks outside of pkg_install
241 # and are left behind, which forces you to manualy remove them to select the
242 # jdk/jre you want to use for java
243 local plugin_dir=$(java_get_plugin_dir_)
244 for file in ${plugin_dir}/javaplugin_*; do
245 rm -f ${file}
246 done
247 for file in ${plugin_dir}/libjavaplugin*; do
248 rm -f ${file}
249 done
250 }
251
252 # ------------------------------------------------------------------------------
253 # @eclass-end
254 # ------------------------------------------------------------------------------

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