/[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 1.35 2011/10/29 14:36:34 caster Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/java-vm-2.eclass,v 1.39 2011/11/21 10:15:46 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 fdo-mime multilib prefix 15inherit eutils fdo-mime multilib pax-utils prefix
16 16
17DEPEND="=dev-java/java-config-2*" 17DEPEND="=dev-java/java-config-2*"
18has "${EAPI}" 0 1 && DEPEND="${DEPEND} >=sys-apps/portage-2.1" 18has "${EAPI}" 0 1 && DEPEND="${DEPEND} >=sys-apps/portage-2.1"
19 19
20RDEPEND=" 20RDEPEND="
94 eselect java-nsplugin set ${extra_args} ${VMHANDLE} 94 eselect java-nsplugin set ${extra_args} ${VMHANDLE}
95} 95}
96 96
97java-vm-2_pkg_prerm() { 97java-vm-2_pkg_prerm() {
98 # Although REPLACED_BY_VERSION is EAPI=4, we shouldn't need to check EAPI for this use case 98 # Although REPLACED_BY_VERSION is EAPI=4, we shouldn't need to check EAPI for this use case
99 if [[ "$(java-config -f 2>/dev/null)" == "${VMHANDLE}" && -z "${REPLACED_BY_VERSION}" ]]; then 99 if [[ "$(GENTOO_VM="" java-config -f 2>/dev/null)" == "${VMHANDLE}" && -z "${REPLACED_BY_VERSION}" ]]; then
100 ewarn "It appears you are removing your system-vm!" 100 ewarn "It appears you are removing your system-vm!"
101 ewarn "Please run java-config -L to list available VMs," 101 ewarn "Please run java-config -L to list available VMs,"
102 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!"
103 fi 103 fi
104} 104}
173 dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \ 173 dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \
174 || die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}" 174 || die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}"
175} 175}
176 176
177# ----------------------------------------------------------------------------- 177# -----------------------------------------------------------------------------
178# @ebuild-function java-vm_set-pax-markings
179#
180# Set PaX markings on all JDK/JRE executables to allow code-generation on
181# the heap by the JIT compiler.
182#
183# The markings need to be set prior to the first invocation of the the freshly
184# built / installed VM. Be it before creating the Class Data Sharing archive or
185# generating cacerts. Otherwise a PaX enabled kernel will kill the VM.
186# Bug #215225 #389751
187#
188# @example
189# java-vm_set-pax-markings "${S}"
190# java-vm_set-pax-markings "${ED}"/opt/${P}
191#
192# @param $1 - JDK/JRE base directory.
193# -----------------------------------------------------------------------------
194java-vm_set-pax-markings() {
195 debug-print-function ${FUNCNAME} "$*"
196 [[ $# -ne 1 ]] && die "${FUNCNAME}: takes exactly one argument"
197 [[ ! -f "${1}"/bin/java ]] \
198 && die "${FUNCNAME}: argument needs to be JDK/JRE base directory"
199
200 local executables=( "${1}"/bin/* )
201 [[ -d "${1}"/jre ]] && executables+=( "${1}"/jre/bin/* )
202
203 # Usally disabeling MPROTECT is sufficent
204 local pax_markings="m"
205 # On x86 for heap sizes over 700MB disable SEGMEXEC and PAGEEXEC as well.
206 use x86 && pax_markings="msp"
207
208 pax-mark ${pax_markings} $(list-paxables "${executables[@]}")
209}
210
211# -----------------------------------------------------------------------------
178# @ebuild-function java-vm_revdep-mask 212# @ebuild-function java-vm_revdep-mask
179# 213#
180# Installs a revdep-rebuild control file which SEARCH_DIR_MASK set to the path 214# Installs a revdep-rebuild control file which SEARCH_DIR_MASK set to the path
181# where the VM is installed. Prevents pointless rebuilds - see bug #177925. 215# where the VM is installed. Prevents pointless rebuilds - see bug #177925.
182# Also gives a notice to the user. 216# Also gives a notice to the user.
195 229
196 local VMROOT="${1-"${EPREFIX}"/opt/${P}}" 230 local VMROOT="${1-"${EPREFIX}"/opt/${P}}"
197 231
198 dodir /etc/revdep-rebuild/ 232 dodir /etc/revdep-rebuild/
199 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}" 233 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}"
234}
200 235
201 elog "A revdep-rebuild control file was installed to prevent reinstalls due to" 236# -----------------------------------------------------------------------------
202 elog "missing dependencies (see bug #177925 for more info). Note that some parts" 237# @ebuild-function java-vm_sandbox-predict
203 elog "of the JVM may require dependencies that are pulled only through respective" 238#
204 elog "USE flags (typically X, alsa, odbc) and some Java code may fail without them." 239# Install a sandbox control file. Specified paths won't cause a sandbox
240# violation if opened read write but no write takes place. See bug 388937#c1
241#
242# @example
243# java-vm_sandbox-predict /dev/random /proc/self/coredump_filter
244# -----------------------------------------------------------------------------
245java-vm_sandbox-predict() {
246 debug-print-function ${FUNCNAME} "$*"
247 [[ -z "${1}" ]] && die "${FUNCNAME} takes at least one argument"
248
249 has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
250
251 local path path_arr=("$@")
252 IFS=":" path="${path_arr[*]}"
253 dodir /etc/sandbox.d
254 echo "SANDBOX_PREDICT=\"${path}\"" > "${ED}/etc/sandbox.d/20${VMHANDLE}" \
255 || die "Failed to write sandbox control file"
205} 256}
206 257
207java_get_plugin_dir_() { 258java_get_plugin_dir_() {
208 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX= 259 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
209 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins 260 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins

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