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396 lines
10 KiB
396 lines
10 KiB
# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/java-vm-2.eclass,v 1.46 2012/07/23 19:06:20 sera Exp $
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# @ECLASS: java-vm-2.eclass
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# @MAINTAINER:
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# java@gentoo.org
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# @BLURB: Java Virtual Machine eclass
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# @DESCRIPTION:
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# This eclass provides functionality which assists with installing
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# virtual machines, and ensures that they are recognized by java-config.
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inherit eutils fdo-mime multilib pax-utils prefix
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EXPORT_FUNCTIONS pkg_setup pkg_postinst pkg_prerm pkg_postrm
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RDEPEND="
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=dev-java/java-config-2*
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|| ( app-admin/eselect-java <dev-java/java-config-2.2 )"
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DEPEND="${RDEPEND}"
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has "${EAPI}" 0 1 && DEPEND="${DEPEND} >=sys-apps/portage-2.1"
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export WANT_JAVA_CONFIG=2
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# @ECLASS-VARIABLE: JAVA_VM_CONFIG_DIR
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# @INTERNAL
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# @DESCRIPTION:
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# Where to place the vm env file.
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JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm"
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# @ECLASS-VARIABLE: JAVA_VM_DIR
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# @INTERNAL
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# @DESCRIPTION:
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# Base directory for vm links.
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JAVA_VM_DIR="/usr/lib/jvm"
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# @ECLASS-VARIABLE: JAVA_VM_SYSTEM
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# @INTERNAL
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# @DESCRIPTION:
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# Link for system-vm
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JAVA_VM_SYSTEM="/etc/java-config-2/current-system-vm"
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# @ECLASS-VARIABLE: JAVA_VM_BUILD_ONLY
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# @DESCRIPTION:
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# Set to YES to mark a vm as build-only.
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JAVA_VM_BUILD_ONLY="${JAVA_VM_BUILD_ONLY:-FALSE}"
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# @FUNCTION: java-vm-2_pkg_setup
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# @DESCRIPTION:
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# default pkg_setup
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#
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# Initialize vm handle.
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java-vm-2_pkg_setup() {
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if [[ "${SLOT}" != "0" ]]; then
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VMHANDLE=${PN}-${SLOT}
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else
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VMHANDLE=${PN}
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fi
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}
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# @FUNCTION: java-vm-2_pkg_postinst
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# @DESCRIPTION:
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# default pkg_postinst
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#
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# Set the generation-2 system VM and Java plugin, if it isn't set or the
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# setting is invalid. Also update mime database.
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java-vm-2_pkg_postinst() {
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# Note that we cannot rely on java-config here, as it will silently recognize
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# e.g. icedtea6-bin as valid system VM if icedtea6 is set but invalid (e.g. due
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# to the migration to icedtea-6)
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if [[ ! -L "${ROOT}${JAVA_VM_SYSTEM}" ]]; then
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java_set_default_vm_
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else
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local current_vm_path=$(readlink "${ROOT}${JAVA_VM_SYSTEM}")
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local current_vm=$(basename "${ROOT}${current_vm_path}")
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if [[ ! -L "${ROOT}${JAVA_VM_DIR}/${current_vm}" ]]; then
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java_set_default_vm_
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fi
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fi
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java-vm_check-nsplugin
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java_mozilla_clean_
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fdo-mime_desktop_database_update
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}
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# @FUNCTION: java-vm_check-nsplugin
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# @INTERNAL
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# @DESCRIPTION:
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# Check if the nsplugin needs updating
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java-vm_check-nsplugin() {
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local libdir
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if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then
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libdir=lib32
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else
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libdir=lib
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fi
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has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
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# Install a default nsplugin if we don't already have one
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if in_iuse nsplugin && use nsplugin; then
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if [[ ! -f "${ROOT}${EPREFIX}"/usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then
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einfo "No system nsplugin currently set."
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java-vm_set-nsplugin
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else
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einfo "System nsplugin is already set, not changing it."
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fi
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einfo "You can change nsplugin with eselect java-nsplugin."
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fi
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}
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# @FUNCTION: java-vm_set-nsplugin
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# @INTERNAL
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# @DESCRIPTION:
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# Set the nsplugin implemetation.
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java-vm_set-nsplugin() {
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local extra_args
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if use amd64; then
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if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then
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extra_args="32bit"
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else
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extra_args="64bit"
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fi
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einfo "Setting ${extra_args} nsplugin to ${VMHANDLE}"
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else
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einfo "Setting nsplugin to ${VMHANDLE}..."
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fi
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eselect java-nsplugin set ${extra_args} ${VMHANDLE}
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}
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# @FUNCTION: java-vm-2_pkg_prerm
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# @DESCRIPTION:
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# default pkg_prerm
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#
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# Warn user if removing system-vm.
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java-vm-2_pkg_prerm() {
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# Although REPLACED_BY_VERSION is EAPI=4, we shouldn't need to check EAPI for this use case
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if [[ "$(GENTOO_VM="" java-config -f 2>/dev/null)" == "${VMHANDLE}" && -z "${REPLACED_BY_VERSION}" ]]; then
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ewarn "It appears you are removing your system-vm!"
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ewarn "Please run java-config -L to list available VMs,"
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ewarn "then use java-config -S to set a new system-vm!"
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fi
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}
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# @FUNCTION: java-vm-2_pkg_postrm
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# @DESCRIPTION:
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# default pkg_postrm
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#
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# Update mime database.
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java-vm-2_pkg_postrm() {
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fdo-mime_desktop_database_update
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}
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# @FUNCTION: java_set_default_vm_
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# @INTERNAL
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# @DESCRIPTION:
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# Set system-vm.
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java_set_default_vm_() {
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java-config-2 --set-system-vm="${VMHANDLE}"
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einfo " ${P} set as the default system-vm."
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}
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# @FUNCTION: get_system_arch
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# @DESCRIPTION:
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# Get Java specific arch name.
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get_system_arch() {
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local sarch
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sarch=$(echo ${ARCH} | sed -e s/[i]*.86/i386/ -e s/x86_64/amd64/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/)
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if [ -z "${sarch}" ]; then
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sarch=$(uname -m | sed -e s/[i]*.86/i386/ -e s/x86_64/amd64/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/)
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fi
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echo ${sarch}
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}
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# @FUNCTION: set_java_env
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# @DESCRIPTION:
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# Installs a vm env file.
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# TODO rename to something more evident, like install_env_file
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set_java_env() {
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debug-print-function ${FUNCNAME} $*
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if has ${EAPI:-0} 0 1 2 && ! use prefix ; then
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ED="${D}"
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EPREFIX=""
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fi
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local platform="$(get_system_arch)"
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local env_file="${ED}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}"
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local old_env_file="${ED}/etc/env.d/java/20${P}"
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if [[ ${1} ]]; then
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local source_env_file="${1}"
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else
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local source_env_file="${FILESDIR}/${VMHANDLE}.env"
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fi
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if [[ ! -f ${source_env_file} ]]; then
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die "Unable to find the env file: ${source_env_file}"
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fi
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dodir ${JAVA_VM_CONFIG_DIR}
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sed \
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-e "s/@P@/${P}/g" \
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-e "s/@PN@/${PN}/g" \
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-e "s/@PV@/${PV}/g" \
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-e "s/@PF@/${PF}/g" \
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-e "s/@SLOT@/${SLOT}/g" \
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-e "s/@PLATFORM@/${platform}/g" \
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-e "s/@LIBDIR@/$(get_libdir)/g" \
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-e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \
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< "${source_env_file}" \
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> "${env_file}" || die "sed failed"
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(
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echo "VMHANDLE=\"${VMHANDLE}\""
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echo "BUILD_ONLY=\"${JAVA_VM_BUILD_ONLY}\""
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) >> "${env_file}"
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eprefixify ${env_file}
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[[ -n ${JAVA_PROVIDE} ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\"" >> ${env_file}
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local java_home=$(source "${env_file}"; echo ${JAVA_HOME})
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[[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}"
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# Make the symlink
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dodir "${JAVA_VM_DIR}"
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dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \
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|| die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}"
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}
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# @FUNCTION: java-vm_set-pax-markings
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# @DESCRIPTION:
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# Set PaX markings on all JDK/JRE executables to allow code-generation on
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# the heap by the JIT compiler.
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#
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# The markings need to be set prior to the first invocation of the the freshly
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# built / installed VM. Be it before creating the Class Data Sharing archive or
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# generating cacerts. Otherwise a PaX enabled kernel will kill the VM.
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# Bug #215225 #389751
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#
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# @CODE
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# Parameters:
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# $1 - JDK/JRE base directory.
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#
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# Examples:
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# java-vm_set-pax-markings "${S}"
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# java-vm_set-pax-markings "${ED}"/opt/${P}
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# @CODE
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java-vm_set-pax-markings() {
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debug-print-function ${FUNCNAME} "$*"
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[[ $# -ne 1 ]] && die "${FUNCNAME}: takes exactly one argument"
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[[ ! -f "${1}"/bin/java ]] \
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&& die "${FUNCNAME}: argument needs to be JDK/JRE base directory"
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local executables=( "${1}"/bin/* )
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[[ -d "${1}"/jre ]] && executables+=( "${1}"/jre/bin/* )
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# Ensure a PaX header is created.
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local pax_markings="C"
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# Usally disabeling MPROTECT is sufficent.
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local pax_markings+="m"
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# On x86 for heap sizes over 700MB disable SEGMEXEC and PAGEEXEC as well.
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use x86 && pax_markings+="sp"
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pax-mark ${pax_markings} $(list-paxables "${executables[@]}")
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}
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# @FUNCTION: java-vm_revdep-mask
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# @DESCRIPTION:
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# Installs a revdep-rebuild control file which SEARCH_DIR_MASK set to the path
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# where the VM is installed. Prevents pointless rebuilds - see bug #177925.
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# Also gives a notice to the user.
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#
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# @CODE
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# Parameters:
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# $1 - Path of the VM (defaults to /opt/${P} if not set)
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#
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# Examples:
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# java-vm_revdep-mask
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# java-vm_revdep-mask /path/to/jdk/
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#
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# @CODE
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java-vm_revdep-mask() {
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if has ${EAPI:-0} 0 1 2 && ! use prefix; then
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ED="${D}"
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EPREFIX=
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fi
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local VMROOT="${1-"${EPREFIX}"/opt/${P}}"
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dodir /etc/revdep-rebuild/
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echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}"
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}
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# @FUNCTION: java-vm_sandbox-predict
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# @DESCRIPTION:
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# Install a sandbox control file. Specified paths won't cause a sandbox
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# violation if opened read write but no write takes place. See bug 388937#c1
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#
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# @CODE
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# Examples:
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# java-vm_sandbox-predict /dev/random /proc/self/coredump_filter
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# @CODE
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java-vm_sandbox-predict() {
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debug-print-function ${FUNCNAME} "$*"
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[[ -z "${1}" ]] && die "${FUNCNAME} takes at least one argument"
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has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
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local path path_arr=("$@")
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# subshell this to prevent IFS bleeding out dependant on bash version.
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# could use local, which *should* work, but that requires a lot of testing.
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path=$(IFS=":"; echo "${path_arr[*]}")
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dodir /etc/sandbox.d
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echo "SANDBOX_PREDICT=\"${path}\"" > "${ED}/etc/sandbox.d/20${VMHANDLE}" \
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|| die "Failed to write sandbox control file"
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}
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# @FUNCTION: java_get_plugin_dir_
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# @INTERNAL
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# @DESCRIPTION:
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# Get the java plugin dir.
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java_get_plugin_dir_() {
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has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
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echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins
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}
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# @FUNCTION: install_mozilla_plugin
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# @DESCRIPTION:
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# Register a netscape java-plugin.
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install_mozilla_plugin() {
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local plugin="${1}"
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local variant="${2}"
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has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
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if [[ ! -f "${ED}/${plugin}" ]]; then
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die "Cannot find mozilla plugin at ${ED}/${plugin}"
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fi
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if [[ -n "${variant}" ]]; then
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variant="-${variant}"
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fi
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local plugin_dir="/usr/share/java-config-2/nsplugin"
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dodir "${plugin_dir}"
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dosym "${plugin}" "${plugin_dir}/${VMHANDLE}${variant}-javaplugin.so"
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}
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# @FUNCTION: java_mozilla_clean_
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# @INTERNAL
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# @DESCRIPTION:
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# Because previously some ebuilds installed symlinks outside of pkg_install
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# and are left behind, which forces you to manualy remove them to select the
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# jdk/jre you want to use for java
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java_mozilla_clean_() {
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local plugin_dir=$(java_get_plugin_dir_)
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for file in ${plugin_dir}/javaplugin_*; do
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rm -f ${file}
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done
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for file in ${plugin_dir}/libjavaplugin*; do
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rm -f ${file}
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done
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}
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