dev-db/postgresql: Add Python 3.{5,6} to COMPAT

Bug: https://bugs.gentoo.org/619986

Package-Manager: Portage-2.3.3, Repoman-2.3.1

3 files changed, 1347 insertions, 0 deletions

diff --git a/dev-db/postgresql/postgresql-9.2.21-r1.ebuild b/dev-db/postgresql/postgresql-9.2.21-r1.ebuild
new file mode 100644
index 000000000000..004acf03857c
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.2.21-r1.ebuild
@@ -0,0 +1,435 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(get_version_component_range 1-2)"
+
+SRC_URI="mirror://postgresql/source/v${PV}/postgresql-${PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="http://www.postgresql.org/"
+
+LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
+		 zh_CN zh_TW"
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+
+for lingua in ${LINGUAS}; do
+	IUSE+=" linguas_${lingua}"
+done
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local enable_langs
+
+	for lingua in ${LINGUAS} ; do
+		use linguas_${lingua} && enable_langs+="${lingua} "
+	done
+
+	echo -n ${enable_langs}
+}
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+sys-apps/less
+virtual/libintl
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+pam? ( virtual/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+tcl? ( >=dev-lang/tcl-8:0= )
+uuid? ( dev-libs/ossp-uuid )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+DEPEND="${CDEPEND}
+!!<sys-apps/sandbox-2.0
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+!dev-db/postgresql-docs:${SLOT}
+!dev-db/postgresql-base:${SLOT}
+!dev-db/postgresql-server:${SLOT}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	enewgroup postgres 70
+	enewuser postgres 70 /bin/sh /var/lib/postgresql postgres
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Work around PPC{,64} compilation bug where bool is already defined
+	sed '/#ifndef __cplusplus/a #undef bool' -i src/include/c.h || die
+
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	use server || epatch "${FILESDIR}/${PN}-${SLOT}-no-server.patch"
+
+	# Fix bug 486556 where the server would crash at start up because of
+	# an infinite loop caused by a self-referencing symlink.
+	epatch "${FILESDIR}/postgresql-9.2-9.4-tz-dir-overflow.patch"
+
+	if use pam ; then
+		sed -e "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	epatch_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX%/}"
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--docdir="${PO}/usr/share/doc/${PF}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !pg_legacytimestamp integer-datetimes) \
+		$(use_enable threads thread-safety) \
+		$(use_with kerberos gssapi) \
+		$(use_with kerberos krb5) \
+		$(use_with ldap) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(use_with tcl) \
+		$(use_with uuid ossp-uuid) \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		"$(use_enable nls nls "$(wanted_languages)")"
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY doc/{TODO,bug.template}
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		for m in {initdb,pg_{controldata,ctl,resetxlog},post{gres,master}}; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	use static-libs || find "${ED}" -name '*.a' -delete
+
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		# Temporarily tack on tmp to workaround a file collision
+		# issue. This is only necessary for 9.7 and earlier. 10 never
+		# had this issue.
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}tmp"
+	done
+
+	local linkname mansec
+	for mansec in {1,3,7} ; do
+		for f in "${ED}"/usr/share/postgresql-${SLOT}/man/man${mansec}/* ; do
+			bn=$(basename "${f}")
+			linkname=${bn/%.${mansec}/${SLOT/.}.${mansec}}
+			dosym ../../postgresql-${SLOT}/man/man${mansec}/$bn \
+				  /usr/share/man/man${mansec}/${linkname}
+		done
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+
+		docinto sgml
+		dodoc doc/src/sgml/*.{sgml,dsl}
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.2" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.2" | newinitd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.service" | \
+			systemd_newunit - ${PN}-${SLOT}.service
+
+		newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 0775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_preinst() {
+	# Find all of the slot-specific symlinks, if any, in /usr/bin (e.g.,
+	# /usr/bin/psql96). They may have been created by the
+	# postgresql.eselect module, but they're handled within this ebuild
+	# now. It's alright if we momentarily delete /usr/bin/psql as it
+	# will be recreated by the eselect module in pkg_ppostinst(). This
+	# is only necessary for 9.7 and earlier. 10 and later were never
+	# handled in this manner.
+	local canonicalise
+	if type -p realpath > /dev/null; then
+		canonicalise=realpath
+	elif type -p readlink > /dev/null; then
+		canonicalise='readlink -f'
+	else
+		# can't die, subshell
+		die "No readlink nor realpath found, cannot canonicalise"
+	fi
+
+	local l
+	# First remove any symlinks in /usr/bin that may have been created
+	# by the old eselect
+	for l in $(find "${ROOT%/}/usr/bin" -mindepth 1 -maxdepth 1 -type l) ; do
+		if [[ $(${canonicalise} "${l}") == *postgresql-${SLOT}* ]] ; then
+			rm "${l}" || ewarn "Couldn't remove ${l}"
+		fi
+	done
+
+	# Then move the symlinks created by the ebuild to their proper place.
+	for l in "${ED}"/usr/bin/*tmp ; do
+		mv "${l}" "${l%tmp}" \
+			|| ewarn "Couldn't rename $(basename ${l}) to $(basename ${l%tmp})"
+	done
+}
+
+pkg_postinst() {
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT%/}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "http://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT%/}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT%/}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT%/}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT%/}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT%/}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT%/}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    http://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    http://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "${DATA_DIR}"
+		chown -Rf postgres:postgres "${DATA_DIR}"
+		chmod 0700 "${DATA_DIR}"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT%/}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT%/}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directory/d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	einfo "The PostgreSQL server, by default, will log events to:"
+	einfo "    ${DATA_DIR%/}/postmaster.log"
+	einfo
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	else
+		einfo "You should use the '${EROOT%/}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		emake check
+
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.3.17-r1.ebuild b/dev-db/postgresql/postgresql-9.3.17-r1.ebuild
new file mode 100644
index 000000000000..32606fb69ed0
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.3.17-r1.ebuild
@@ -0,0 +1,440 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(get_version_component_range 1-2)"
+
+SRC_URI="mirror://postgresql/source/v${PV}/postgresql-${PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="http://www.postgresql.org/"
+
+LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
+		 zh_CN zh_TW"
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+
+for lingua in ${LINGUAS}; do
+	IUSE+=" linguas_${lingua}"
+done
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local enable_langs
+
+	for lingua in ${LINGUAS} ; do
+		use linguas_${lingua} && enable_langs+="${lingua} "
+	done
+
+	echo -n ${enable_langs}
+}
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+sys-apps/less
+virtual/libintl
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+pam? ( virtual/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+tcl? ( >=dev-lang/tcl-8:0= )
+uuid? ( dev-libs/ossp-uuid )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+DEPEND="${CDEPEND}
+!!<sys-apps/sandbox-2.0
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+!dev-db/postgresql-docs:${SLOT}
+!dev-db/postgresql-base:${SLOT}
+!dev-db/postgresql-server:${SLOT}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	enewgroup postgres 70
+	enewuser postgres 70 /bin/sh /var/lib/postgresql postgres
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Work around PPC{,64} compilation bug where bool is already defined
+	sed '/#ifndef __cplusplus/a #undef bool' -i src/include/c.h || die
+
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	# Rely on $PATH being in the proper order so that the correct
+	# install program is used for modules utilizing PGXS in both
+	# hardened and non-hardened environments. (Bug #528786)
+	sed 's/@install_bin@/install -c/' -i src/Makefile.global.in || die
+
+	use server || epatch "${FILESDIR}/${PN}-${SLOT}-no-server.patch"
+
+	# Fix bug 486556 where the server would crash at start up because of
+	# an infinite loop caused by a self-referencing symlink.
+	epatch "${FILESDIR}/postgresql-9.2-9.4-tz-dir-overflow.patch"
+
+	if use pam ; then
+		sed -e "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	epatch_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX%/}"
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--docdir="${PO}/usr/share/doc/${PF}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !pg_legacytimestamp integer-datetimes) \
+		$(use_enable threads thread-safety) \
+		$(use_with kerberos gssapi) \
+		$(use_with kerberos krb5) \
+		$(use_with ldap) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(use_with tcl) \
+		$(use_with uuid ossp-uuid) \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		"$(use_enable nls nls "$(wanted_languages)")"
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY doc/{TODO,bug.template}
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		for m in {initdb,pg_{controldata,ctl,resetxlog},post{gres,master}}; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	use static-libs || find "${ED}" -name '*.a' -delete
+
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		# Temporarily tack on tmp to workaround a file collision
+		# issue. This is only necessary for 9.7 and earlier. 10 never
+		# had this issue.
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}tmp"
+	done
+
+	local linkname mansec
+	for mansec in {1,3,7} ; do
+		for f in "${ED}"/usr/share/postgresql-${SLOT}/man/man${mansec}/* ; do
+			bn=$(basename "${f}")
+			linkname=${bn/%.${mansec}/${SLOT/.}.${mansec}}
+			dosym ../../postgresql-${SLOT}/man/man${mansec}/$bn \
+				  /usr/share/man/man${mansec}/${linkname}
+		done
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+
+		docinto sgml
+		dodoc doc/src/sgml/*.{sgml,dsl}
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.3" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3-r1" | newinitd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.service" | \
+			systemd_newunit - ${PN}-${SLOT}.service
+
+		newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 0775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_preinst() {
+	# Find all of the slot-specific symlinks, if any, in /usr/bin (e.g.,
+	# /usr/bin/psql96). They may have been created by the
+	# postgresql.eselect module, but they're handled within this ebuild
+	# now. It's alright if we momentarily delete /usr/bin/psql as it
+	# will be recreated by the eselect module in pkg_ppostinst(). This
+	# is only necessary for 9.7 and earlier. 10 and later were never
+	# handled in this manner.
+	local canonicalise
+	if type -p realpath > /dev/null; then
+		canonicalise=realpath
+	elif type -p readlink > /dev/null; then
+		canonicalise='readlink -f'
+	else
+		# can't die, subshell
+		die "No readlink nor realpath found, cannot canonicalise"
+	fi
+
+	local l
+	# First remove any symlinks in /usr/bin that may have been created
+	# by the old eselect
+	for l in $(find "${ROOT%/}/usr/bin" -mindepth 1 -maxdepth 1 -type l) ; do
+		if [[ $(${canonicalise} "${l}") == *postgresql-${SLOT}* ]] ; then
+			rm "${l}" || ewarn "Couldn't remove ${l}"
+		fi
+	done
+
+	# Then move the symlinks created by the ebuild to their proper place.
+	for l in "${ED}"/usr/bin/*tmp ; do
+		mv "${l}" "${l%tmp}" \
+			|| ewarn "Couldn't rename $(basename ${l}) to $(basename ${l%tmp})"
+	done
+}
+
+pkg_postinst() {
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT%/}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "http://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT%/}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT%/}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT%/}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT%/}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT%/}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT%/}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    http://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    http://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "${DATA_DIR}"
+		chown -Rf postgres:postgres "${DATA_DIR}"
+		chmod 0700 "${DATA_DIR}"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT%/}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT%/}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directories/,+1d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	einfo "The PostgreSQL server, by default, will log events to:"
+	einfo "    ${DATA_DIR%/}/postmaster.log"
+	einfo
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	else
+		einfo "You should use the '${EROOT%/}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		emake check
+
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.4.12-r1.ebuild b/dev-db/postgresql/postgresql-9.4.12-r1.ebuild
new file mode 100644
index 000000000000..e46feae18647
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.4.12-r1.ebuild
@@ -0,0 +1,472 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(get_version_component_range 1-2)"
+
+SRC_URI="mirror://postgresql/source/v${PV}/postgresql-${PV}.tar.bz2"
+
+LICENSE="POSTGRESQL GPL-2"
+DESCRIPTION="PostgreSQL RDBMS"
+HOMEPAGE="http://www.postgresql.org/"
+
+LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
+		 zh_CN zh_TW"
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+
+for lingua in ${LINGUAS}; do
+	IUSE+=" linguas_${lingua}"
+done
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local enable_langs
+
+	for lingua in ${LINGUAS} ; do
+		use linguas_${lingua} && enable_langs+="${lingua} "
+	done
+
+	echo -n ${enable_langs}
+}
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-2.0
+sys-apps/less
+virtual/libintl
+kerberos? ( virtual/krb5 )
+ldap? ( net-nds/openldap )
+pam? ( virtual/pam )
+perl? ( >=dev-lang/perl-5.8:= )
+python? ( ${PYTHON_DEPS} )
+readline? ( sys-libs/readline:0= )
+ssl? (
+	!libressl? ( >=dev-libs/openssl-0.9.6-r1:0= )
+	libressl? ( dev-libs/libressl:= )
+)
+tcl? ( >=dev-lang/tcl-8:0= )
+xml? ( dev-libs/libxml2 dev-libs/libxslt )
+zlib? ( sys-libs/zlib )
+"
+
+# uuid flags -- depend on sys-apps/util-linux for Linux libcs, or if no
+# supported libc in use depend on dev-libs/ossp-uuid. For BSD systems,
+# the libc includes UUID functions.
+UTIL_LINUX_LIBC=( elibc_{glibc,uclibc,musl} )
+BSD_LIBC=( elibc_{Free,Net,Open}BSD )
+
+nest_usedep() {
+	local front back
+	while [[ ${#} -gt 1 ]]; do
+		front+="${1}? ( "
+		back+=" )"
+		shift
+	done
+	echo "${front}${1}${back}"
+}
+
+IUSE+=" ${UTIL_LINUX_LIBC[@]} ${BSD_LIBC[@]}"
+CDEPEND+="
+uuid? (
+	${UTIL_LINUX_LIBC[@]/%/? ( sys-apps/util-linux )}
+	$(nest_usedep ${UTIL_LINUX_LIBC[@]/#/!} ${BSD_LIBC[@]/#/!} dev-libs/ossp-uuid)
+)"
+
+DEPEND="${CDEPEND}
+!!<sys-apps/sandbox-2.0
+sys-devel/bison
+sys-devel/flex
+nls? ( sys-devel/gettext )
+xml? ( virtual/pkgconfig )
+"
+
+RDEPEND="${CDEPEND}
+!dev-db/postgresql-docs:${SLOT}
+!dev-db/postgresql-base:${SLOT}
+!dev-db/postgresql-server:${SLOT}
+selinux? ( sec-policy/selinux-postgresql )
+"
+
+pkg_setup() {
+	use server && CONFIG_CHECK="~SYSVIPC" linux-info_pkg_setup
+
+	enewgroup postgres 70
+	enewuser postgres 70 /bin/sh /var/lib/postgresql postgres
+
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# Work around PPC{,64} compilation bug where bool is already defined
+	sed '/#ifndef __cplusplus/a #undef bool' -i src/include/c.h || die
+
+	# Set proper run directory
+	sed "s|\(PGSOCKET_DIR\s\+\)\"/tmp\"|\1\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	# Rely on $PATH being in the proper order so that the correct
+	# install program is used for modules utilizing PGXS in both
+	# hardened and non-hardened environments. (Bug #528786)
+	sed 's/@install_bin@/install -c/' -i src/Makefile.global.in || die
+
+	use server || epatch "${FILESDIR}/${PN}-9.4.10-no-server.patch"
+
+	# Fix bug 486556 where the server would crash at start up because of
+	# an infinite loop caused by a self-referencing symlink.
+	epatch "${FILESDIR}/postgresql-9.2-9.4-tz-dir-overflow.patch"
+
+	if use pam ; then
+		sed -e "s/\(#define PGSQL_PAM_SERVICE \"postgresql\)/\1-${SLOT}/" \
+			-i src/backend/libpq/auth.c || \
+			die 'PGSQL_PAM_SERVICE rename failed.'
+	fi
+
+	epatch_user
+}
+
+src_configure() {
+	case ${CHOST} in
+		*-darwin*|*-solaris*)
+			use nls && append-libs intl
+			;;
+	esac
+
+	export LDFLAGS_SL="${LDFLAGS}"
+	export LDFLAGS_EX="${LDFLAGS}"
+
+	local PO="${EPREFIX%/}"
+
+	local i uuid_config=""
+	if use uuid; then
+		for i in ${UTIL_LINUX_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=e2fs"
+		done
+		for i in ${BSD_LIBC[@]}; do
+			use ${i} && uuid_config="--with-uuid=bsd"
+		done
+		[[ -z $uuid_config ]] && uuid_config="--with-uuid=ossp"
+	fi
+
+	econf \
+		--prefix="${PO}/usr/$(get_libdir)/postgresql-${SLOT}" \
+		--datadir="${PO}/usr/share/postgresql-${SLOT}" \
+		--docdir="${PO}/usr/share/doc/${PF}" \
+		--includedir="${PO}/usr/include/postgresql-${SLOT}" \
+		--mandir="${PO}/usr/share/postgresql-${SLOT}/man" \
+		--sysconfdir="${PO}/etc/postgresql-${SLOT}" \
+		--with-system-tzdata="${PO}/usr/share/zoneinfo" \
+		$(use_enable !pg_legacytimestamp integer-datetimes) \
+		$(use_enable threads thread-safety) \
+		$(use_with kerberos gssapi) \
+		$(use_with ldap) \
+		$(use_with pam) \
+		$(use_with perl) \
+		$(use_with python) \
+		$(use_with readline) \
+		$(use_with ssl openssl) \
+		$(use_with tcl) \
+		${uuid_config} \
+		$(use_with xml libxml) \
+		$(use_with xml libxslt) \
+		$(use_with zlib) \
+		"$(use_enable nls nls "$(wanted_languages)")"
+}
+
+src_compile() {
+	emake
+	emake -C contrib
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	emake DESTDIR="${D}" install -C contrib
+
+	dodoc README HISTORY doc/{TODO,bug.template}
+
+	# man pages are already built, but if we have the target make them,
+	# they'll be generated from source before being installed so we
+	# manually install man pages.
+	# We use ${SLOT} instead of doman for postgresql.eselect
+	insinto /usr/share/postgresql-${SLOT}/man/
+	doins -r doc/src/sgml/man{1,3,7}
+	if ! use server; then
+		# Remove man pages for non-existent binaries
+		for m in {initdb,pg_{controldata,ctl,resetxlog},post{gres,master}}; do
+			rm "${ED}/usr/share/postgresql-${SLOT}/man/man1/${m}.1"
+		done
+	fi
+	docompress /usr/share/postgresql-${SLOT}/man/man{1,3,7}
+
+	insinto /etc/postgresql-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	use static-libs || find "${ED}" -name '*.a' -delete
+
+	local f bn
+	for f in $(find "${ED}/usr/$(get_libdir)/postgresql-${SLOT}/bin" \
+					-mindepth 1 -maxdepth 1)
+	do
+		bn=$(basename "${f}")
+		# Temporarily tack on tmp to workaround a file collision
+		# issue. This is only necessary for 9.7 and earlier. 10 never
+		# had this issue.
+		dosym "../$(get_libdir)/postgresql-${SLOT}/bin/${bn}" \
+			  "/usr/bin/${bn}${SLOT/.}tmp"
+	done
+
+	local linkname mansec
+	for mansec in {1,3,7} ; do
+		for f in "${ED}"/usr/share/postgresql-${SLOT}/man/man${mansec}/* ; do
+			bn=$(basename "${f}")
+			linkname=${bn/%.${mansec}/${SLOT/.}.${mansec}}
+			dosym ../../postgresql-${SLOT}/man/man${mansec}/$bn \
+				  /usr/share/man/man${mansec}/${linkname}
+		done
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+
+		docinto sgml
+		dodoc doc/src/sgml/*.{sgml,dsl}
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.confd-9.3" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3-r1" | newinitd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.service" | \
+			systemd_newunit - ${PN}-${SLOT}.service
+
+		newbin "${FILESDIR}"/${PN}-check-db-dir ${PN}-${SLOT}-check-db-dir
+
+		use pam && pamd_mimic system-auth ${PN}-${SLOT} auth account session
+
+		if use prefix ; then
+			keepdir /run/postgresql
+			fperms 0775 /run/postgresql
+		fi
+	fi
+}
+
+pkg_preinst() {
+	# Find all of the slot-specific symlinks, if any, in /usr/bin (e.g.,
+	# /usr/bin/psql96). They may have been created by the
+	# postgresql.eselect module, but they're handled within this ebuild
+	# now. It's alright if we momentarily delete /usr/bin/psql as it
+	# will be recreated by the eselect module in pkg_ppostinst(). This
+	# is only necessary for 9.7 and earlier. 10 and later were never
+	# handled in this manner.
+	local canonicalise
+	if type -p realpath > /dev/null; then
+		canonicalise=realpath
+	elif type -p readlink > /dev/null; then
+		canonicalise='readlink -f'
+	else
+		# can't die, subshell
+		die "No readlink nor realpath found, cannot canonicalise"
+	fi
+
+	local l
+	# First remove any symlinks in /usr/bin that may have been created
+	# by the old eselect
+	for l in $(find "${ROOT%/}/usr/bin" -mindepth 1 -maxdepth 1 -type l) ; do
+		if [[ $(${canonicalise} "${l}") == *postgresql-${SLOT}* ]] ; then
+			rm "${l}" || ewarn "Couldn't remove ${l}"
+		fi
+	done
+
+	# Then move the symlinks created by the ebuild to their proper place.
+	for l in "${ED}"/usr/bin/*tmp ; do
+		mv "${l}" "${l%tmp}" \
+			|| ewarn "Couldn't rename $(basename ${l}) to $(basename ${l%tmp})"
+	done
+}
+
+pkg_postinst() {
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT%/}/etc/postgresql-${SLOT}/"
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "http://www.postgresql.org/docs/${SLOT}/static/index.html"
+		elog
+		elog "The default location of the Unix-domain socket is:"
+		elog "    ${EROOT%/}/run/postgresql/"
+		elog
+		elog "Before initializing the database, you may want to edit PG_INITDB_OPTS"
+		elog "so that it contains your preferred locale in:"
+		elog "    ${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+		elog
+		elog "Then, execute the following command to setup the initial database"
+		elog "environment:"
+		elog "    emerge --config =${CATEGORY}/${PF}"
+	fi
+}
+
+pkg_prerm() {
+	if use server && [[ -z ${REPLACED_BY_VERSION} ]] ; then
+		ewarn "Have you dumped and/or migrated the ${SLOT} database cluster?"
+		ewarn "\thttps://wiki.gentoo.org/wiki/PostgreSQL/QuickStart#Migrating_PostgreSQL"
+
+		ebegin "Resuming removal in 10 seconds (Control-C to cancel)"
+		sleep 10
+		eend 0
+	fi
+}
+
+pkg_postrm() {
+	postgresql-config update
+}
+
+pkg_config() {
+	use server || die "USE flag 'server' not enabled. Nothing to configure."
+
+	[[ -f "${EROOT%/}/etc/conf.d/postgresql-${SLOT}" ]] \
+		&& source "${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+	[[ -z "${PGDATA}" ]] && PGDATA="${EROOT%/}/etc/postgresql-${SLOT}/"
+	[[ -z "${DATA_DIR}" ]] \
+		&& DATA_DIR="${EROOT%/}/var/lib/postgresql/${SLOT}/data"
+
+	# environment.bz2 may not contain the same locale as the current system
+	# locale. Unset and source from the current system locale.
+	if [ -f "${EROOT%/}/etc/env.d/02locale" ]; then
+		unset LANG
+		unset LC_CTYPE
+		unset LC_NUMERIC
+		unset LC_TIME
+		unset LC_COLLATE
+		unset LC_MONETARY
+		unset LC_MESSAGES
+		unset LC_ALL
+		source "${EROOT%/}/etc/env.d/02locale"
+		[ -n "${LANG}" ] && export LANG
+		[ -n "${LC_CTYPE}" ] && export LC_CTYPE
+		[ -n "${LC_NUMERIC}" ] && export LC_NUMERIC
+		[ -n "${LC_TIME}" ] && export LC_TIME
+		[ -n "${LC_COLLATE}" ] && export LC_COLLATE
+		[ -n "${LC_MONETARY}" ] && export LC_MONETARY
+		[ -n "${LC_MESSAGES}" ] && export LC_MESSAGES
+		[ -n "${LC_ALL}" ] && export LC_ALL
+	fi
+
+	einfo "You can modify the paths and options passed to initdb by editing:"
+	einfo "    ${EROOT%/}/etc/conf.d/postgresql-${SLOT}"
+	einfo
+	einfo "Information on options that can be passed to initdb are found at:"
+	einfo "    http://www.postgresql.org/docs/${SLOT}/static/creating-cluster.html"
+	einfo "    http://www.postgresql.org/docs/${SLOT}/static/app-initdb.html"
+	einfo
+	einfo "PG_INITDB_OPTS is currently set to:"
+	if [[ -z "${PG_INITDB_OPTS}" ]] ; then
+		einfo "    (none)"
+	else
+		einfo "    ${PG_INITDB_OPTS}"
+	fi
+	einfo
+	einfo "Configuration files will be installed to:"
+	einfo "    ${PGDATA}"
+	einfo
+	einfo "The database cluster will be created in:"
+	einfo "    ${DATA_DIR}"
+	einfo
+
+	ebegin "Continuing initialization in 5 seconds (Control-C to cancel)"
+	sleep 5
+	eend 0
+
+	if [ -n "$(ls -A ${DATA_DIR} 2> /dev/null)" ] ; then
+		eerror "The given directory, '${DATA_DIR}', is not empty."
+		eerror "Modify DATA_DIR to point to an empty directory."
+		die "${DATA_DIR} is not empty."
+	fi
+
+	einfo "Creating the data directory ..."
+	if [[ ${EUID} == 0 ]] ; then
+		mkdir -p "${DATA_DIR}"
+		chown -Rf postgres:postgres "${DATA_DIR}"
+		chmod 0700 "${DATA_DIR}"
+	fi
+
+	einfo "Initializing the database ..."
+
+	if [[ ${EUID} == 0 ]] ; then
+		su postgres -c "${EROOT%/}/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -D \"${DATA_DIR}\" ${PG_INITDB_OPTS}"
+	else
+		"${EROOT%/}"/usr/$(get_libdir)/postgresql-${SLOT}/bin/initdb -U postgres -D "${DATA_DIR}" ${PG_INITDB_OPTS}
+	fi
+
+	if [[ "${DATA_DIR%/}" != "${PGDATA%/}" ]] ; then
+		mv "${DATA_DIR%/}"/{pg_{hba,ident},postgresql}.conf "${PGDATA}"
+		ln -s "${PGDATA%/}"/{pg_{hba,ident},postgresql}.conf "${DATA_DIR%/}"
+	fi
+
+	# unix_socket_directory has no effect in postgresql.conf as it's
+	# overridden in the initscript
+	sed '/^#unix_socket_directories/,+1d' -i "${PGDATA%/}"/postgresql.conf
+
+	cat <<- EOF >> "${PGDATA%/}"/postgresql.conf
+		# This is here because of https://bugs.gentoo.org/show_bug.cgi?id=518522
+		# On the off-chance that you might need to work with UTF-8 encoded
+		# characters in PL/Perl
+		plperl.on_init = 'use utf8; use re; package utf8; require "utf8_heavy.pl";'
+	EOF
+
+	einfo "The autovacuum function, which was in contrib, has been moved to the main"
+	einfo "PostgreSQL functions starting with 8.1, and starting with 8.4 is now enabled"
+	einfo "by default. You can disable it in the cluster's:"
+	einfo "    ${PGDATA%/}/postgresql.conf"
+	einfo
+	einfo "The PostgreSQL server, by default, will log events to:"
+	einfo "    ${DATA_DIR%/}/postmaster.log"
+	einfo
+	if use prefix ; then
+		einfo "The location of the configuration files have moved to:"
+		einfo "    ${PGDATA}"
+		einfo "To start the server:"
+		einfo "    pg_ctl start -D ${DATA_DIR} -o '-D ${PGDATA} --data-directory=${DATA_DIR}'"
+		einfo "To stop:"
+		einfo "    pg_ctl stop -D ${DATA_DIR}"
+		einfo
+		einfo "Or move the configuration files back:"
+		einfo "mv ${PGDATA}*.conf ${DATA_DIR}"
+	else
+		einfo "You should use the '${EROOT%/}/etc/init.d/postgresql-${SLOT}' script to run PostgreSQL"
+		einfo "instead of 'pg_ctl'."
+	fi
+}
+
+src_test() {
+	if use server && [[ ${UID} -ne 0 ]] ; then
+		emake check
+
+		einfo "If you think other tests besides the regression tests are necessary, please"
+		einfo "submit a bug including a patch for this ebuild to enable them."
+	else
+		use server || \
+			ewarn 'Tests cannot be run without the "server" use flag enabled.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}