/[gentoo-x86]/eclass/java-vm-2.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2011 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 1.23 2008/08/29 19:10:19 caster Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/java-vm-2.eclass,v 1.41 2011/12/04 06:52:39 ferringb 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 fdo-mime 15inherit eutils fdo-mime multilib pax-utils prefix
16 16
17DEPEND="
18 =dev-java/java-config-2* 17DEPEND="=dev-java/java-config-2*"
19 >=sys-apps/portage-2.1" 18has "${EAPI}" 0 1 && DEPEND="${DEPEND} >=sys-apps/portage-2.1"
19
20RDEPEND=" 20RDEPEND="
21 =dev-java/java-config-2* 21 =dev-java/java-config-2*"
22 =dev-java/java-config-1.3*"
23 22
24export WANT_JAVA_CONFIG=2 23export WANT_JAVA_CONFIG=2
25 24
26JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm" 25JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm"
27JAVA_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="${JAVA_VM_BUILD_ONLY:-FALSE}"
28 29
29EXPORT_FUNCTIONS pkg_setup pkg_postinst pkg_prerm pkg_postrm 30EXPORT_FUNCTIONS pkg_setup pkg_postinst pkg_prerm pkg_postrm
30 31
31java-vm-2_pkg_setup() { 32java-vm-2_pkg_setup() {
32 if [[ "${SLOT}" != "0" ]]; then 33 if [[ "${SLOT}" != "0" ]]; then
35 VMHANDLE=${PN} 36 VMHANDLE=${PN}
36 fi 37 fi
37} 38}
38 39
39java-vm-2_pkg_postinst() { 40java-vm-2_pkg_postinst() {
40 # Set the generation-2 system VM, if it isn't set 41 # Set the generation-2 system VM, if it isn't set or the setting is invalid
41 if [[ -z "$(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
42 java_set_default_vm_ 46 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 "${systemvm1}" ]]; then
50 # if 20java exists, must be using old VM
51 if [[ -f /etc/env.d/20java ]]; then
52 ewarn "The current generation-1 system-vm is using an out-of-date VM,"
53 ewarn "as in, it hasn't been updated for use with the new Java sytem."
54 # othewise, it must not have been set before
55 else 47 else
56 ewarn "No generation-1 system-vm previously set." 48 local current_vm_path="$(readlink "${JAVA_VM_SYSTEM}")"
57 fi 49 local current_vm="$(basename "${current_vm_path}")"
58 ewarn "Setting generation-1 system-vm to ${VMHANDLE}" 50 if [[ ! -L "${JAVA_VM_DIR}/${current_vm}" ]]; then
59 java-config-1 --set-system-vm=${P} 2>/dev/null 51 java_set_default_vm_
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 52 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 53 fi
80
81 echo
82 54
83 java-vm_check-nsplugin 55 java-vm_check-nsplugin
84 java_mozilla_clean_ 56 java_mozilla_clean_
85 fdo-mime_desktop_database_update 57 fdo-mime_desktop_database_update
86} 58}
90 if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then 62 if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then
91 libdir=lib32 63 libdir=lib32
92 else 64 else
93 libdir=lib 65 libdir=lib
94 fi 66 fi
67
68 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
69
95 # Install a default nsplugin if we don't already have one 70 # Install a default nsplugin if we don't already have one
96 if has nsplugin ${IUSE} && use nsplugin; then 71 if in_iuse nsplugin && use nsplugin; then
97 if [[ ! -f /usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then 72 if [[ ! -f "${EPREFIX}"/usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then
98 einfo "No system nsplugin currently set." 73 einfo "No system nsplugin currently set."
99 java-vm_set-nsplugin 74 java-vm_set-nsplugin
100 else 75 else
101 einfo "System nsplugin is already set, not changing it." 76 einfo "System nsplugin is already set, not changing it."
102 fi 77 fi
118 fi 93 fi
119 eselect java-nsplugin set ${extra_args} ${VMHANDLE} 94 eselect java-nsplugin set ${extra_args} ${VMHANDLE}
120} 95}
121 96
122java-vm-2_pkg_prerm() { 97java-vm-2_pkg_prerm() {
123 if [[ "$(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
124 ewarn "It appears you are removing your system-vm!" 100 ewarn "It appears you are removing your system-vm!"
125 ewarn "Please run java-config -L to list available VMs," 101 ewarn "Please run java-config -L to list available VMs,"
126 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!"
127 fi 103 fi
128} 104}
147} 123}
148 124
149# TODO rename to something more evident, like install_env_file 125# TODO rename to something more evident, like install_env_file
150set_java_env() { 126set_java_env() {
151 debug-print-function ${FUNCNAME} $* 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
152 local platform="$(get_system_arch)" 134 local platform="$(get_system_arch)"
153 local env_file="${D}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}" 135 local env_file="${ED}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}"
154 local old_env_file="${D}/etc/env.d/java/20${P}" 136 local old_env_file="${ED}/etc/env.d/java/20${P}"
155 if [[ ${1} ]]; then 137 if [[ ${1} ]]; then
156 local source_env_file="${1}" 138 local source_env_file="${1}"
157 else 139 else
158 local source_env_file="${FILESDIR}/${VMHANDLE}.env" 140 local source_env_file="${FILESDIR}/${VMHANDLE}.env"
159 fi 141 fi
166 sed \ 148 sed \
167 -e "s/@P@/${P}/g" \ 149 -e "s/@P@/${P}/g" \
168 -e "s/@PN@/${PN}/g" \ 150 -e "s/@PN@/${PN}/g" \
169 -e "s/@PV@/${PV}/g" \ 151 -e "s/@PV@/${PV}/g" \
170 -e "s/@PF@/${PF}/g" \ 152 -e "s/@PF@/${PF}/g" \
153 -e "s/@SLOT@/${SLOT}/g" \
171 -e "s/@PLATFORM@/${platform}/g" \ 154 -e "s/@PLATFORM@/${platform}/g" \
155 -e "s/@LIBDIR@/$(get_libdir)/g" \
172 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \ 156 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \
173 < ${source_env_file} \ 157 < "${source_env_file}" \
174 > ${env_file} || die "sed failed" 158 > "${env_file}" || die "sed failed"
175 159
160 (
176 echo "VMHANDLE=\"${VMHANDLE}\"" >> ${env_file} 161 echo "VMHANDLE=\"${VMHANDLE}\""
162 echo "BUILD_ONLY=\"${JAVA_VM_BUILD_ONLY}\""
163 ) >> "${env_file}"
177 164
178 # generation-1 compatibility 165 eprefixify ${env_file}
179 # respect both variables for now...
180 if [[ ${JAVA_SUPPORTS_GENERATION_1} == 'true' && ${JAVA_VM_NO_GENERATION1} != 'true' ]]; then
181 einfo "Enabling generation-1 compatibility..."
182 dodir /etc/env.d/java # generation-1 compatibility
183 # We need to strip some things out of the new style env,
184 # because these end up going in the env
185 sed -e 's/.*CLASSPATH.*//' \
186 -e 's/.*PROVIDES.*//' \
187 ${env_file} \
188 > ${old_env_file} || die "failed to create generation-1 env file"
189 else
190 ewarn "Disabling generation-1 compatibility..."
191 fi
192 166
193 [[ -n ${JAVA_PROVIDE} ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\"" >> ${env_file} 167 [[ -n ${JAVA_PROVIDE} ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\"" >> ${env_file}
194 168
195 local java_home=$(source ${env_file}; echo ${JAVA_HOME}) 169 local java_home=$(source "${env_file}"; echo ${JAVA_HOME})
196 [[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}" 170 [[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}"
197 171
198 # Make the symlink 172 # Make the symlink
173 dodir "${JAVA_VM_DIR}"
199 dosym ${java_home} ${JAVA_VM_DIR}/${VMHANDLE} \ 174 dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \
200 || die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}" 175 || die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}"
176}
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[@]}")
201} 210}
202 211
203# ----------------------------------------------------------------------------- 212# -----------------------------------------------------------------------------
204# @ebuild-function java-vm_revdep-mask 213# @ebuild-function java-vm_revdep-mask
205# 214#
212# java-vm_revdep-mask /path/to/jdk/ 221# java-vm_revdep-mask /path/to/jdk/
213# 222#
214# @param $1 - Path of the VM (defaults to /opt/${P} if not set) 223# @param $1 - Path of the VM (defaults to /opt/${P} if not set)
215# ------------------------------------------------------------------------------ 224# ------------------------------------------------------------------------------
216java-vm_revdep-mask() { 225java-vm_revdep-mask() {
226 if has ${EAPI:-0} 0 1 2 && ! use prefix; then
227 ED="${D}"
228 EPREFIX=
229 fi
230
217 local VMROOT="${1-/opt/${P}}" 231 local VMROOT="${1-"${EPREFIX}"/opt/${P}}"
218 232
219 dodir /etc/revdep-rebuild/ 233 dodir /etc/revdep-rebuild/
220 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${D}/etc/revdep-rebuild/61-${VMHANDLE}" 234 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}"
221 235}
222 elog "A revdep-rebuild control file was installed to prevent reinstalls due to" 236
223 elog "missing dependencies (see bug #177925 for more info). Note that some parts" 237# -----------------------------------------------------------------------------
224 elog "of the JVM may require dependencies that are pulled only through respective" 238# @ebuild-function java-vm_sandbox-predict
225 elog "USE flags (typically X, alsa, odbc) and some Java code may fail without them." 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"
226} 259}
227 260
228java_get_plugin_dir_() { 261java_get_plugin_dir_() {
262 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
229 echo /usr/$(get_libdir)/nsbrowser/plugins 263 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins
230} 264}
231 265
232install_mozilla_plugin() { 266install_mozilla_plugin() {
233 local plugin="${1}" 267 local plugin="${1}"
234 local variant="${2}" 268 local variant="${2}"
235 269
270 has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
236 if [[ ! -f "${D}/${plugin}" ]]; then 271 if [[ ! -f "${ED}/${plugin}" ]]; then
237 die "Cannot find mozilla plugin at ${D}/${plugin}" 272 die "Cannot find mozilla plugin at ${ED}/${plugin}"
238 fi 273 fi
239 274
240 if [[ -n "${variant}" ]]; then 275 if [[ -n "${variant}" ]]; then
241 variant="-${variant}" 276 variant="-${variant}"
242 fi 277 fi

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