/[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 1.42 2011/12/05 07:07:44 floppym 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="
66 fi 66 fi
67 67
68 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX= 68 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
69 69
70 # Install a default nsplugin if we don't already have one 70 # Install a default nsplugin if we don't already have one
71 if has nsplugin ${IUSE} && use nsplugin; then 71 if in_iuse nsplugin && use nsplugin; then
72 if [[ ! -f "${EPREFIX}"/usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then 72 if [[ ! -f "${EPREFIX}"/usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then
73 einfo "No system nsplugin currently set." 73 einfo "No system nsplugin currently set."
74 java-vm_set-nsplugin 74 java-vm_set-nsplugin
75 else 75 else
76 einfo "System nsplugin is already set, not changing it." 76 einfo "System nsplugin is already set, not changing it."
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 "${REPLACED_BY_VERSION}" ]]; then
100 ewarn "It appears you are removing your system-vm!" 100 ewarn "It appears you are removing your system-vm!"
101 ewarn "Please run java-config -L to list available VMs," 101 ewarn "Please run java-config -L to list available VMs,"
102 ewarn "then use java-config -S to set a new system-vm!" 102 ewarn "then use java-config -S to set a new system-vm!"
103 fi 103 fi
104} 104}
148 sed \ 148 sed \
149 -e "s/@P@/${P}/g" \ 149 -e "s/@P@/${P}/g" \
150 -e "s/@PN@/${PN}/g" \ 150 -e "s/@PN@/${PN}/g" \
151 -e "s/@PV@/${PV}/g" \ 151 -e "s/@PV@/${PV}/g" \
152 -e "s/@PF@/${PF}/g" \ 152 -e "s/@PF@/${PF}/g" \
153 -e "s/@SLOT@/${SLOT}/g" \
153 -e "s/@PLATFORM@/${platform}/g" \ 154 -e "s/@PLATFORM@/${platform}/g" \
154 -e "s/@LIBDIR@/$(get_libdir)/g" \ 155 -e "s/@LIBDIR@/$(get_libdir)/g" \
155 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \ 156 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \
156 < "${source_env_file}" \ 157 < "${source_env_file}" \
157 > "${env_file}" || die "sed failed" 158 > "${env_file}" || die "sed failed"
170 171
171 # Make the symlink 172 # Make the symlink
172 dodir "${JAVA_VM_DIR}" 173 dodir "${JAVA_VM_DIR}"
173 dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \ 174 dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \
174 || 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[@]}")
175} 210}
176 211
177# ----------------------------------------------------------------------------- 212# -----------------------------------------------------------------------------
178# @ebuild-function java-vm_revdep-mask 213# @ebuild-function java-vm_revdep-mask
179# 214#
195 230
196 local VMROOT="${1-"${EPREFIX}"/opt/${P}}" 231 local VMROOT="${1-"${EPREFIX}"/opt/${P}}"
197 232
198 dodir /etc/revdep-rebuild/ 233 dodir /etc/revdep-rebuild/
199 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}" 234 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}"
235}
200 236
201 elog "A revdep-rebuild control file was installed to prevent reinstalls due to" 237# -----------------------------------------------------------------------------
202 elog "missing dependencies (see bug #177925 for more info). Note that some parts" 238# @ebuild-function java-vm_sandbox-predict
203 elog "of the JVM may require dependencies that are pulled only through respective" 239#
204 elog "USE flags (typically X, alsa, odbc) and some Java code may fail without them." 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"
205} 259}
206 260
207java_get_plugin_dir_() { 261java_get_plugin_dir_() {
208 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX= 262 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
209 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins 263 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins

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