/[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 1.33 2011/09/01 14:15:57 caster 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 fdo-mime multilib prefix 15inherit eutils fdo-mime multilib pax-utils prefix
16 16
17RDEPEND="
17DEPEND="=dev-java/java-config-2*" 18 =dev-java/java-config-2*
19 || ( app-admin/eselect-java <dev-java/java-config-2.2 )"
20DEPEND="${RDEPEND}"
18has "${EAPI}" 0 1 && DEPEND="${DEPEND} >=sys-apps/portage-2.1" 21has "${EAPI}" 0 1 && DEPEND="${DEPEND} >=sys-apps/portage-2.1"
19
20RDEPEND="
21 =dev-java/java-config-2*"
22 22
23export WANT_JAVA_CONFIG=2 23export WANT_JAVA_CONFIG=2
24 24
25JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm" 25JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm"
26JAVA_VM_DIR="/usr/lib/jvm" 26JAVA_VM_DIR="/usr/lib/jvm"
27JAVA_VM_SYSTEM="/etc/java-config-2/current-system-vm"
27JAVA_VM_BUILD_ONLY="${JAVA_VM_BUILD_ONLY:-FALSE}" 28JAVA_VM_BUILD_ONLY="${JAVA_VM_BUILD_ONLY:-FALSE}"
28 29
29EXPORT_FUNCTIONS pkg_setup pkg_postinst pkg_prerm pkg_postrm 30EXPORT_FUNCTIONS pkg_setup pkg_postinst pkg_prerm pkg_postrm
30 31
31java-vm-2_pkg_setup() { 32java-vm-2_pkg_setup() {
35 VMHANDLE=${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 "${JAVA_VM_SYSTEM}" ]]; then
42 java_set_default_vm_ 46 java_set_default_vm_
47 else
48 local current_vm_path="$(readlink "${JAVA_VM_SYSTEM}")"
49 local current_vm="$(basename "${current_vm_path}")"
50 if [[ ! -L "${JAVA_VM_DIR}/${current_vm}" ]]; then
51 java_set_default_vm_
52 fi
43 fi 53 fi
44 54
45 java-vm_check-nsplugin 55 java-vm_check-nsplugin
46 java_mozilla_clean_ 56 java_mozilla_clean_
47 fdo-mime_desktop_database_update 57 fdo-mime_desktop_database_update
56 fi 66 fi
57 67
58 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX= 68 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
59 69
60 # Install a default nsplugin if we don't already have one 70 # Install a default nsplugin if we don't already have one
61 if has nsplugin ${IUSE} && use nsplugin; then 71 if in_iuse nsplugin && use nsplugin; then
62 if [[ ! -f "${EPREFIX}"/usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then 72 if [[ ! -f "${EPREFIX}"/usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then
63 einfo "No system nsplugin currently set." 73 einfo "No system nsplugin currently set."
64 java-vm_set-nsplugin 74 java-vm_set-nsplugin
65 else 75 else
66 einfo "System nsplugin is already set, not changing it." 76 einfo "System nsplugin is already set, not changing it."
83 fi 93 fi
84 eselect java-nsplugin set ${extra_args} ${VMHANDLE} 94 eselect java-nsplugin set ${extra_args} ${VMHANDLE}
85} 95}
86 96
87java-vm-2_pkg_prerm() { 97java-vm-2_pkg_prerm() {
88 if [[ "$(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
89 ewarn "It appears you are removing your system-vm!" 100 ewarn "It appears you are removing your system-vm!"
90 ewarn "Please run java-config -L to list available VMs," 101 ewarn "Please run java-config -L to list available VMs,"
91 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!"
92 fi 103 fi
93} 104}
113 124
114# TODO rename to something more evident, like install_env_file 125# TODO rename to something more evident, like install_env_file
115set_java_env() { 126set_java_env() {
116 debug-print-function ${FUNCNAME} $* 127 debug-print-function ${FUNCNAME} $*
117 128
118 has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}" 129 if has ${EAPI:-0} 0 1 2 && ! use prefix ; then
130 ED="${D}"
131 EPREFIX=""
132 fi
119 133
120 local platform="$(get_system_arch)" 134 local platform="$(get_system_arch)"
121 local env_file="${ED}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}" 135 local env_file="${ED}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}"
122 local old_env_file="${ED}/etc/env.d/java/20${P}" 136 local old_env_file="${ED}/etc/env.d/java/20${P}"
123 if [[ ${1} ]]; then 137 if [[ ${1} ]]; then
134 sed \ 148 sed \
135 -e "s/@P@/${P}/g" \ 149 -e "s/@P@/${P}/g" \
136 -e "s/@PN@/${PN}/g" \ 150 -e "s/@PN@/${PN}/g" \
137 -e "s/@PV@/${PV}/g" \ 151 -e "s/@PV@/${PV}/g" \
138 -e "s/@PF@/${PF}/g" \ 152 -e "s/@PF@/${PF}/g" \
153 -e "s/@SLOT@/${SLOT}/g" \
139 -e "s/@PLATFORM@/${platform}/g" \ 154 -e "s/@PLATFORM@/${platform}/g" \
140 -e "s/@LIBDIR@/$(get_libdir)/g" \ 155 -e "s/@LIBDIR@/$(get_libdir)/g" \
141 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \ 156 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \
142 < "${source_env_file}" \ 157 < "${source_env_file}" \
143 > "${env_file}" || die "sed failed" 158 > "${env_file}" || die "sed failed"
154 local java_home=$(source "${env_file}"; echo ${JAVA_HOME}) 169 local java_home=$(source "${env_file}"; echo ${JAVA_HOME})
155 [[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}" 170 [[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}"
156 171
157 # Make the symlink 172 # Make the symlink
158 dodir "${JAVA_VM_DIR}" 173 dodir "${JAVA_VM_DIR}"
159 dosym ${java_home} ${JAVA_VM_DIR}/${VMHANDLE} \ 174 dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \
160 || 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[@]}")
161} 210}
162 211
163# ----------------------------------------------------------------------------- 212# -----------------------------------------------------------------------------
164# @ebuild-function java-vm_revdep-mask 213# @ebuild-function java-vm_revdep-mask
165# 214#
181 230
182 local VMROOT="${1-"${EPREFIX}"/opt/${P}}" 231 local VMROOT="${1-"${EPREFIX}"/opt/${P}}"
183 232
184 dodir /etc/revdep-rebuild/ 233 dodir /etc/revdep-rebuild/
185 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}" 234 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}"
235}
186 236
187 elog "A revdep-rebuild control file was installed to prevent reinstalls due to" 237# -----------------------------------------------------------------------------
188 elog "missing dependencies (see bug #177925 for more info). Note that some parts" 238# @ebuild-function java-vm_sandbox-predict
189 elog "of the JVM may require dependencies that are pulled only through respective" 239#
190 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"
191} 259}
192 260
193java_get_plugin_dir_() { 261java_get_plugin_dir_() {
194 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX= 262 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
195 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins 263 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins

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