/[gentoo-x86]/eclass/java-vm-2.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2012 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/java-vm-2.eclass,v 1.15 2006/10/20 03:52:24 nichoj Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/java-vm-2.eclass,v 1.43 2012/06/11 19:46:32 sera Exp $
4 4
5# ----------------------------------------------------------------------------- 5# -----------------------------------------------------------------------------
6# @eclass-begin 6# @eclass-begin
7# @eclass-shortdesc Java Virtual Machine eclass 7# @eclass-shortdesc Java Virtual Machine eclass
8# @eclass-maintainer java@gentoo.org 8# @eclass-maintainer java@gentoo.org
10# This eclass provides functionality which assists with installing 10# This eclass provides functionality which assists with installing
11# virtual machines, and ensures that they are recognized by java-config. 11# virtual machines, and ensures that they are recognized by java-config.
12# 12#
13# ----------------------------------------------------------------------------- 13# -----------------------------------------------------------------------------
14 14
15inherit eutils 15inherit eutils fdo-mime multilib pax-utils prefix
16 16
17DEPEND="
18 =dev-java/java-config-2.0*
19 >=sys-apps/portage-2.1"
20RDEPEND=" 17RDEPEND="
21 =dev-java/java-config-2.0* 18 =dev-java/java-config-2*
22 =dev-java/java-config-1.3*" 19 || ( app-admin/eselect-java <dev-java/java-config-2.2 )"
20DEPEND="${RDEPEND}"
21has "${EAPI}" 0 1 && DEPEND="${DEPEND} >=sys-apps/portage-2.1"
23 22
24export WANT_JAVA_CONFIG=2 23export WANT_JAVA_CONFIG=2
25
26if [[ "${SLOT}" != "0" ]]; then
27 VMHANDLE=${PN}-${SLOT}
28else
29 VMHANDLE=${PN}
30fi
31 24
32JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm" 25JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm"
33JAVA_VM_DIR="/usr/lib/jvm" 26JAVA_VM_DIR="/usr/lib/jvm"
27JAVA_VM_SYSTEM="/etc/java-config-2/current-system-vm"
28JAVA_VM_BUILD_ONLY="${JAVA_VM_BUILD_ONLY:-FALSE}"
34 29
35EXPORT_FUNCTIONS pkg_postinst pkg_prerm 30EXPORT_FUNCTIONS pkg_setup pkg_postinst pkg_prerm pkg_postrm
31
32java-vm-2_pkg_setup() {
33 if [[ "${SLOT}" != "0" ]]; then
34 VMHANDLE=${PN}-${SLOT}
35 else
36 VMHANDLE=${PN}
37 fi
38}
36 39
37java-vm-2_pkg_postinst() { 40java-vm-2_pkg_postinst() {
38 # Set the generation-2 system VM, if it isn't set 41 # Set the generation-2 system VM, if it isn't set or the setting is invalid
39 if [[ -z "$(java-config-2 -f)" ]]; then 42 # Note that we cannot rely on java-config here, as it will silently recognize
43 # e.g. icedtea6-bin as valid system VM if icedtea6 is set but invalid (e.g. due
44 # to the migration to icedtea-6)
45 if [[ ! -L "${JAVA_VM_SYSTEM}" ]]; then
40 java_set_default_vm_ 46 java_set_default_vm_
41 fi
42
43 # support both variables for now
44 if [[ ${JAVA_SUPPORTS_GENERATION_1} == 'true' && ${JAVA_VM_NO_GENERATION1} != 'true' ]]; then
45 local systemvm1="$(java-config-1 -f 2>/dev/null)"
46 # no generation-1 system-vm was previously set
47 if [[ -z "${systemvm1}" ]]; then
48 # if 20java exists, must be using old VM
49 if [[ -f /etc/env.d/20java ]]; then
50 ewarn "The current generation-1 system-vm is using an out-of-date VM,"
51 ewarn "as in, it hasn't been updated for use with the new Java sytem."
52 # othewise, it must not have been set before
53 else 47 else
54 ewarn "No generation-1 system-vm previously set." 48 local current_vm_path="$(readlink "${JAVA_VM_SYSTEM}")"
55 fi 49 local current_vm="$(basename "${current_vm_path}")"
56 ewarn "Setting generation-1 system-vm to ${VMHANDLE}" 50 if [[ ! -L "${JAVA_VM_DIR}/${current_vm}" ]]; then
57 java-config-1 --set-system-vm=${P} 2>/dev/null 51 java_set_default_vm_
58 # dirty check to see if we are upgrading current generation-1 system vm
59 elif [[ "${systemvm1}" = ${VMHANDLE}* ]]; then
60 einfo "Emerging the current generation-1 system-vm..."
61 einfo "Updating its config files."
62 java-config-1 --set-system-vm=${P} 2>/dev/null
63 # dirty check to see if current system vm is a jre - replace it with
64 elif [[ "${systemvm1}" = *jre* ]]; then
65 ewarn "Current generation-1 system-vm is a JRE"
66 ewarn "For the new and old Java systems to coexist,"
67 ewarn "the generation-1 system-vm must be a JDK."
68 ewarn "Setting generation-1 system-vm to ${VMHANDLE}"
69 java-config-1 --set-system-vm=${P} 2>/dev/null
70 fi 52 fi
71 # else... some other VM is being updated, so we don't have to worry
72 else
73 einfo "JREs and 1.5+ JDKs are not supported for use with generation-1."
74 einfo "This is because generation-1 is only for use for building packages."
75 einfo "Only generation-2 should be used by end-users,"
76 einfo "where all JREs and JDKs will be available"
77 fi 53 fi
78
79 echo
80 54
81 java-vm_check-nsplugin 55 java-vm_check-nsplugin
82 java_mozilla_clean_ 56 java_mozilla_clean_
57 fdo-mime_desktop_database_update
83} 58}
84 59
85java-vm_check-nsplugin() { 60java-vm_check-nsplugin() {
86 local libdir 61 local libdir
87 if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then 62 if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then
88 libdir=lib32 63 libdir=lib32
89 else 64 else
90 libdir=lib 65 libdir=lib
91 fi 66 fi
67
68 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
69
92 # Install a default nsplugin if we don't already have one 70 # Install a default nsplugin if we don't already have one
93 if has nsplugin ${IUSE} && use nsplugin; then 71 if in_iuse nsplugin && use nsplugin; then
94 if [[ ! -f /usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then 72 if [[ ! -f "${EPREFIX}"/usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then
95 einfo "No system nsplugin currently set." 73 einfo "No system nsplugin currently set."
96 java-vm_set-nsplugin 74 java-vm_set-nsplugin
97 else 75 else
98 einfo "System nsplugin is already set, not changing it." 76 einfo "System nsplugin is already set, not changing it."
99 fi 77 fi
115 fi 93 fi
116 eselect java-nsplugin set ${extra_args} ${VMHANDLE} 94 eselect java-nsplugin set ${extra_args} ${VMHANDLE}
117} 95}
118 96
119java-vm-2_pkg_prerm() { 97java-vm-2_pkg_prerm() {
120 if [[ "$(java-config -f 2>/dev/null)" == "${VMHANDLE}" ]]; then 98 # Although REPLACED_BY_VERSION is EAPI=4, we shouldn't need to check EAPI for this use case
99 if [[ "$(GENTOO_VM="" java-config -f 2>/dev/null)" == "${VMHANDLE}" && -z "${REPLACED_BY_VERSION}" ]]; then
121 ewarn "It appears you are removing your system-vm!" 100 ewarn "It appears you are removing your system-vm!"
122 ewarn "Please run java-config -L to list available VMs," 101 ewarn "Please run java-config -L to list available VMs,"
123 ewarn "then use java-config -S to set a new system-vm!" 102 ewarn "then use java-config -S to set a new system-vm!"
124 fi 103 fi
104}
105
106java-vm-2_pkg_postrm() {
107 fdo-mime_desktop_database_update
125} 108}
126 109
127java_set_default_vm_() { 110java_set_default_vm_() {
128 java-config-2 --set-system-vm="${VMHANDLE}" 111 java-config-2 --set-system-vm="${VMHANDLE}"
129 112
139 echo ${sarch} 122 echo ${sarch}
140} 123}
141 124
142# TODO rename to something more evident, like install_env_file 125# TODO rename to something more evident, like install_env_file
143set_java_env() { 126set_java_env() {
127 debug-print-function ${FUNCNAME} $*
128
129 if has ${EAPI:-0} 0 1 2 && ! use prefix ; then
130 ED="${D}"
131 EPREFIX=""
132 fi
133
144 local platform="$(get_system_arch)" 134 local platform="$(get_system_arch)"
145 local env_file="${D}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}" 135 local env_file="${ED}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}"
146 local old_env_file="${D}/etc/env.d/java/20${P}" 136 local old_env_file="${ED}/etc/env.d/java/20${P}"
137 if [[ ${1} ]]; then
138 local source_env_file="${1}"
139 else
147 local source_env_file="${FILESDIR}/${VMHANDLE}.env" 140 local source_env_file="${FILESDIR}/${VMHANDLE}.env"
141 fi
148 142
149 if [[ ! -f ${source_env_file} ]]; then 143 if [[ ! -f ${source_env_file} ]]; then
150 die "Unable to find the env file: ${source_env_file}" 144 die "Unable to find the env file: ${source_env_file}"
151 fi 145 fi
152 146
154 sed \ 148 sed \
155 -e "s/@P@/${P}/g" \ 149 -e "s/@P@/${P}/g" \
156 -e "s/@PN@/${PN}/g" \ 150 -e "s/@PN@/${PN}/g" \
157 -e "s/@PV@/${PV}/g" \ 151 -e "s/@PV@/${PV}/g" \
158 -e "s/@PF@/${PF}/g" \ 152 -e "s/@PF@/${PF}/g" \
153 -e "s/@SLOT@/${SLOT}/g" \
159 -e "s/@PLATFORM@/${platform}/g" \ 154 -e "s/@PLATFORM@/${platform}/g" \
155 -e "s/@LIBDIR@/$(get_libdir)/g" \
160 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \ 156 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \
161 < ${source_env_file} \ 157 < "${source_env_file}" \
162 > ${env_file} || die "sed failed" 158 > "${env_file}" || die "sed failed"
163 159
160 (
164 echo "VMHANDLE=\"${VMHANDLE}\"" >> ${env_file} 161 echo "VMHANDLE=\"${VMHANDLE}\""
162 echo "BUILD_ONLY=\"${JAVA_VM_BUILD_ONLY}\""
163 ) >> "${env_file}"
165 164
166 # generation-1 compatibility 165 eprefixify ${env_file}
167 # respect both variables for now...
168 if [[ ${JAVA_SUPPORTS_GENERATION_1} == 'true' && ${JAVA_VM_NO_GENERATION1} != 'true' ]]; then
169 einfo "Enabling generation-1 compatibility..."
170 dodir /etc/env.d/java # generation-1 compatibility
171 # We need to strip some things out of the new style env,
172 # because these end up going in the env
173 sed -e 's/.*CLASSPATH.*//' \
174 -e 's/.*PROVIDES.*//' \
175 ${env_file} \
176 > ${old_env_file} || die "failed to create generation-1 env file"
177 else
178 ewarn "Disabling generation-1 compatibility..."
179 fi
180 166
181 [[ -n ${JAVA_PROVIDE} ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\"" >> ${env_file} 167 [[ -n ${JAVA_PROVIDE} ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\"" >> ${env_file}
182 168
183 local java_home=$(source ${env_file}; echo ${JAVA_HOME}) 169 local java_home=$(source "${env_file}"; echo ${JAVA_HOME})
184 [[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}" 170 [[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}"
185 171
186 # Make the symlink 172 # Make the symlink
173 dodir "${JAVA_VM_DIR}"
187 dosym ${java_home} ${JAVA_VM_DIR}/${VMHANDLE} \ 174 dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \
188 || die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}" 175 || die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}"
189} 176}
190 177
178# -----------------------------------------------------------------------------
179# @ebuild-function java-vm_set-pax-markings
180#
181# Set PaX markings on all JDK/JRE executables to allow code-generation on
182# the heap by the JIT compiler.
183#
184# The markings need to be set prior to the first invocation of the the freshly
185# built / installed VM. Be it before creating the Class Data Sharing archive or
186# generating cacerts. Otherwise a PaX enabled kernel will kill the VM.
187# Bug #215225 #389751
188#
189# @example
190# java-vm_set-pax-markings "${S}"
191# java-vm_set-pax-markings "${ED}"/opt/${P}
192#
193# @param $1 - JDK/JRE base directory.
194# -----------------------------------------------------------------------------
195java-vm_set-pax-markings() {
196 debug-print-function ${FUNCNAME} "$*"
197 [[ $# -ne 1 ]] && die "${FUNCNAME}: takes exactly one argument"
198 [[ ! -f "${1}"/bin/java ]] \
199 && die "${FUNCNAME}: argument needs to be JDK/JRE base directory"
200
201 local executables=( "${1}"/bin/* )
202 [[ -d "${1}"/jre ]] && executables+=( "${1}"/jre/bin/* )
203
204 # Usally disabeling MPROTECT is sufficent
205 local pax_markings="m"
206 # On x86 for heap sizes over 700MB disable SEGMEXEC and PAGEEXEC as well.
207 use x86 && pax_markings="msp"
208
209 pax-mark ${pax_markings} $(list-paxables "${executables[@]}")
210}
211
212# -----------------------------------------------------------------------------
213# @ebuild-function java-vm_revdep-mask
214#
215# Installs a revdep-rebuild control file which SEARCH_DIR_MASK set to the path
216# where the VM is installed. Prevents pointless rebuilds - see bug #177925.
217# Also gives a notice to the user.
218#
219# @example
220# java-vm_revdep-mask
221# java-vm_revdep-mask /path/to/jdk/
222#
223# @param $1 - Path of the VM (defaults to /opt/${P} if not set)
224# ------------------------------------------------------------------------------
225java-vm_revdep-mask() {
226 if has ${EAPI:-0} 0 1 2 && ! use prefix; then
227 ED="${D}"
228 EPREFIX=
229 fi
230
231 local VMROOT="${1-"${EPREFIX}"/opt/${P}}"
232
233 dodir /etc/revdep-rebuild/
234 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}"
235}
236
237# -----------------------------------------------------------------------------
238# @ebuild-function java-vm_sandbox-predict
239#
240# Install a sandbox control file. Specified paths won't cause a sandbox
241# violation if opened read write but no write takes place. See bug 388937#c1
242#
243# @example
244# java-vm_sandbox-predict /dev/random /proc/self/coredump_filter
245# -----------------------------------------------------------------------------
246java-vm_sandbox-predict() {
247 debug-print-function ${FUNCNAME} "$*"
248 [[ -z "${1}" ]] && die "${FUNCNAME} takes at least one argument"
249
250 has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
251
252 local path path_arr=("$@")
253 # subshell this to prevent IFS bleeding out dependant on bash version.
254 # could use local, which *should* work, but that requires a lot of testing.
255 path=$(IFS=":"; echo "${path_arr[*]}")
256 dodir /etc/sandbox.d
257 echo "SANDBOX_PREDICT=\"${path}\"" > "${ED}/etc/sandbox.d/20${VMHANDLE}" \
258 || die "Failed to write sandbox control file"
259}
191 260
192java_get_plugin_dir_() { 261java_get_plugin_dir_() {
262 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
193 echo /usr/$(get_libdir)/nsbrowser/plugins 263 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins
194} 264}
195 265
196install_mozilla_plugin() { 266install_mozilla_plugin() {
197 local plugin=${1} 267 local plugin="${1}"
268 local variant="${2}"
198 269
270 has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
199 if [ ! -f "${D}/${plugin}" ] ; then 271 if [[ ! -f "${ED}/${plugin}" ]]; then
200 die "Cannot find mozilla plugin at ${D}/${plugin}" 272 die "Cannot find mozilla plugin at ${ED}/${plugin}"
201 fi 273 fi
202 274
275 if [[ -n "${variant}" ]]; then
276 variant="-${variant}"
277 fi
278
203 local plugin_dir=/usr/share/java-config-2/nsplugin 279 local plugin_dir="/usr/share/java-config-2/nsplugin"
204 dodir ${plugin_dir} 280 dodir "${plugin_dir}"
205 dosym ${plugin} ${plugin_dir}/${VMHANDLE}-javaplugin.so 281 dosym "${plugin}" "${plugin_dir}/${VMHANDLE}${variant}-javaplugin.so"
206} 282}
207 283
208java_mozilla_clean_() { 284java_mozilla_clean_() {
209 # Because previously some ebuilds installed symlinks outside of pkg_install 285 # Because previously some ebuilds installed symlinks outside of pkg_install
210 # and are left behind, which forces you to manualy remove them to select the 286 # and are left behind, which forces you to manualy remove them to select the

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