Revert "dev-db/postgresql: Cleanup Old and Insecure Files"

This reverts commit 850efe2a5700c2ba30f9e9860dd83143cf15da34.

14 files changed, 3447 insertions, 0 deletions

diff --git a/dev-db/postgresql/Manifest b/dev-db/postgresql/Manifest
index 1d45e013a072..c95ed08cc428 100644
--- a/dev-db/postgresql/Manifest
+++ b/dev-db/postgresql/Manifest
@@ -1,11 +1,17 @@
 DIST postgresql-10.1.tar.bz2 19669989 BLAKE2B 2fbe782023b6d55c6fadaba38e517c60038b3b7b0a14fa8793043f7b9c4719a692440f286bb1f898045b5f56ef1c064f97f36e821990755077dc8d9bb0dbd639 SHA512 06050d353aa43f32e0de0199d833d8a4652aff893b718b1c40ed31837838f73fe4d977ac0f2164ab97b3eeff4aae3409f440601740898a893877d96bc0ed1882
 DIST postgresql-10.2.tar.bz2 19901836 BLAKE2B ea626774dc11463418b3d0126d04bd2d8eb7e8bb299551bff0c30c7f999f37a1f48e6bbfcde1ee15c0e0519e222bfe14f14d985503fe517a06f127009148ae98 SHA512 bac61644c12c31e2dce97ec0134902a2a7141e922619015425961b963961b21210ca840f59ba585d3d75c7e34cb640f2ebeaa2b25c4a866db68f5e73a8f8a448
+DIST postgresql-9.2.19.tar.bz2 16466698 BLAKE2B ca5e84ac33923b36639bee403935c14c87bf37cd8061eb1d82bc1816449910ebe1373f74c2467850650fb7c3cadfe049a168ddc4a7e64ce54515731df552992a SHA512 d3b4c5578bf6d6580028e775bff81a921258cb53b6b06567d96a352d14f3b63063adb480b2f5e2029baf8a034e14b5cd75eebc04f1ed7b16c849e1a5ec1f4867
+DIST postgresql-9.2.22.tar.bz2 16531224 BLAKE2B 2d3b73db5c3082872df824b8e14e65c6cf4f7389f88b7ed577ddf59570294e74a6392a27f78e77c5da2c974566b38deaa979511649a6e95f5323d3961c587f78 SHA512 3e5ab04c2be2719579b2ebbf64b220522acfd9ea74029dd2ed699f60230da224bdc99de4ee5529b513e5586de0377764c4e54deb3dd93d5c53c4d666dce2b6b7
+DIST postgresql-9.2.23.tar.bz2 16531436 BLAKE2B df12276856e17693f0f1b2623a96ca15cfea95dc6e67e349391a60ba49d9a252ee94448bc07cbc0290f29546ba8b87fa24f62ca8f27cde41d4400c3aa275d778 SHA512 9715cb9aa34921f7d246837c6c516d588f88fda543ad635520e9575a5ea448ad39062f2c89c086c7f129cc5f61f4dca33e4f5fd94e1df39da428507c56a81ba3
 DIST postgresql-9.2.24.tar.bz2 16552576 BLAKE2B 15e1fcc72830630c6c919113ed53c30c08f97c2543e678cac914b86456434d036f2efc262810e8f7ca0be714a8f690592a271ea5f6fb39777e73e94a9555e0ee SHA512 a6f043e5ef5e12e23c1c43b26a5ecafce62f3a86f38b5b85e7cb0cb7aa376d40e460a526baf67ae40de40525e4744fb5e48650ee5e007db4ce9742fcf548bd56
+DIST postgresql-9.3.15.tar.bz2 17059932 BLAKE2B c5afbdf3b1ffe457e137495001eb2f570adcf7844b909b62f3d077336d50b75d9fac456430c99df6449f1ea016252e9a99d96922fc3b5f21796c1361803312d6 SHA512 35c30cdb5599f99c94ab921f9f5e7671a8c0b7bca8fe3b616630ae13d6eda8d329e77e7e802da6a83cb09c3c9ca10fa8ce0de8a184e6fff471130e1cd68ce762
 DIST postgresql-9.3.20.tar.bz2 17197360 BLAKE2B 2b07f6ee78294a490a8902d0129ac6b5e729e2d9a30631becc193cb7561294354a779ffc62bd61e807b1f540f01ce095e8ae4ad77adf2ea135389143809c9d48 SHA512 40098661bf00b64ad2d773b242613c44fe269b5ae984ad8990f85ce705b27138b127493c507103052fb6705d52f2e63a1df6692c7024d43c3c6b18154f2ef407
 DIST postgresql-9.3.21.tar.bz2 17014472 BLAKE2B 7735e7150c0418f979110cef083235959d22f4b63756cf76b9715862cc409b89f51b3e49bad9a33771b4df3ed39c515cf356c2ed69b77a3c7cb8d3448c83a024 SHA512 4c34ddf140a28b7095f8853f85c85cdc4ac44e4e5062ef66542c3082ada8509a201e0037e75d880e7909e1b41d0e3577713ad981cea8e693fb87644a0dce9929
+DIST postgresql-9.4.10.tar.bz2 17802812 BLAKE2B 6f93a348ef51979b02c096d2c8fe980ce00e9fd1f9cf0766f3b06fa1ba9f52a146cffc205e7708c7bd16e0686486b21118734f4a1cd9823837abeee2e6fc9175 SHA512 2fcf47769b22c69bc82c9d6edc317e18dfcb4a96534e012bae4355e5088afa83da98b21e08a07766794f0a166888acbd16705a806464ea11711ed97c3b4012fb
 DIST postgresql-9.4.15.tar.bz2 17921677 BLAKE2B a41c81c7acc92265a6558c26370ff2afd258922a7158bbf40f8b1d6c7a3dbfb548502f42d646c96982dd5a87e5991f9d03046ae91e216704b97691666966d795 SHA512 be69f184cf18fb4c611d31a128f3593dc537551606f1db84a3ce9899b72f546876f05b29792435c3780c6c2b571759f4db2c172d62b2c012bd58574df80b4eb1
 DIST postgresql-9.4.16.tar.bz2 17778763 BLAKE2B 6051bbf042df6f7523ad5f27443c5c4fa8d3405813d40b281883df30f1f6a1709696cb1c0ff981bbe961eb6ba1ff1c49953736b730030111d106c700641954a5 SHA512 2e2bf14e2e63dec7254813e3c3a902a39cbd0aae89d8b3da5f75c6dead5d413a4f260fda6e87c9f84e4378df350c6531e67d972201f731a848b60bacef5b2bc8
 DIST postgresql-9.5.10.tar.bz2 18701419 BLAKE2B bdd9a191f4de2ba1cb501476a5eabb377b60899b524f50e5baa1f47b95ce491634b7e69a9c37017614f48789d2b97fdff98e0b12ea06611d1ca76988a8db62c8 SHA512 24e31adabb0b88be882ab0440c560f0e4d5d69203be0581ca0ce22316555d92219ea0a2fd5254f12b2508bd3e58bbe0f1a7c8837228c96d9d5f00caac45af95a
 DIST postgresql-9.5.11.tar.bz2 18572811 BLAKE2B 7b825d472e3bd6711eb3b4d5b1b5a03098d8d7ec7d0fc35cf7a5a12830bed9ca69922b75ab039fb6f0fcf1865a9fc37d3505d9eb129d03910ae1fa5e74f0a5db SHA512 c196709ddb953fe7ebdcee6e1d4624fc8136b83c5f0f6f010c29036a32f29f73763bdf64613dd57919d4be128e95a7f179c1c69a82f5951593c2fa0c2315fe83
+DIST postgresql-9.5.5.tar.bz2 18525082 BLAKE2B 1a8e81b1f5b530c670863cfb08e47541c372e62f7ec6083da80b895cf015a80fc8bd3ffc9c7968e288303c71083ceda8ca54bcd3e2cb66c4f20b13396dc16fac SHA512 727ab57796cd393ec3755e9aabf515ebbdc3152b4062c20e64511e866a7e7038ba5c5e2843f13f3a79e2263296451f0e93108346b6f638611fba2449394e338e
 DIST postgresql-9.6.6.tar.bz2 19605724 BLAKE2B efdb13a4e32133b31a0ee368aed9bf76f0511596a2d77ade60129c2c76b0ba2c7dafad532cf09ae007d7110175a153968cfa151cf8aa7008b59d36ed00ed18ed SHA512 ac2f0fe6ef7c4e14f85cd7592d1306d9657b7f35efa6f43a089d7785ab970b8c25aa1e66d83df056c23513d6dbac0a9f54717b3d85758560d02e7f8141914ebc
 DIST postgresql-9.6.7.tar.bz2 19504886 BLAKE2B 04ed26987f3a38826b7e04bf364d8f59fc93aa700fdf74b4fc6afdb2fcf12697945c8354e49507af9c4d48fcc05173182cb164778c97845bf84250fd9e5ad882 SHA512 6a66cdd5b74ea6dc95628b89bb7663555370be56b3e938f635950628ad5d77443ac8f40c747be1fc1cfc19ca8b0a27f41e52fe4db83a43c7a7bab9bb076c7844
diff --git a/dev-db/postgresql/files/postgresql-9.2-9.4-tz-dir-overflow.patch b/dev-db/postgresql/files/postgresql-9.2-9.4-tz-dir-overflow.patch
new file mode 100644
index 000000000000..59e43c5384e7
--- /dev/null
+++ b/dev-db/postgresql/files/postgresql-9.2-9.4-tz-dir-overflow.patch
@@ -0,0 +1,16 @@
+--- a/src/timezone/pgtz.c	2015-02-02 15:45:23.000000000 -0500
++++ b/src/timezone/pgtz.c	2015-04-07 14:21:22.341832190 -0400
+@@ -1615,6 +1615,13 @@
+ 		if (direntry->d_name[0] == '.')
+ 			continue;
+ 
++		/* copy current working directory so that there is no risk of modification by basename(),
++		 * and compare to current direntry name; skip if they are the same as this is a recursive fs loop
++		 */
++		snprintf(fullname, MAXPGPATH, "%s", dir->dirname[dir->depth]);
++		if (strncmp(direntry->d_name,basename(fullname),strlen(direntry->d_name)) == 0)
++			continue;
++
+ 		snprintf(fullname, MAXPGPATH, "%s/%s",
+ 				 dir->dirname[dir->depth], direntry->d_name);
+ 		if (stat(fullname, &statbuf) != 0)
diff --git a/dev-db/postgresql/files/postgresql.confd b/dev-db/postgresql/files/postgresql.confd
new file mode 100644
index 000000000000..07b465d9b61a
--- /dev/null
+++ b/dev-db/postgresql/files/postgresql.confd
@@ -0,0 +1,58 @@
+# Which port and socket to bind PostgreSQL
+PGPORT="5432"
+
+# How long to wait for server to start in seconds
+START_TIMEOUT=10
+
+# NICE_QUIT ignores new connections and wait for clients to disconnect from
+# server before shutting down. NICE_TIMEOUT in seconds determines how long to
+# wait for this to succeed.
+NICE_TIMEOUT=60
+
+# Forecfully disconnect clients from server and shut down. This is performed
+# after NICE_QUIT. Terminated client connections have their open transactions
+# rolled back.
+# Set RUDE_QUIT to "NO" to disable. RUDE_TIMEOUT in seconds.
+RUDE_QUIT="YES"
+RUDE_TIMEOUT=30
+
+# If the server still fails to shutdown, you can force it to quit by setting
+# this to YES and a recover-run will execute on the next startup.
+# Set FORCE_QUIT to "YES" to enable. FORCE_TIMEOUT in seconds.
+FORCE_QUIT="NO"
+FORCE_TIMEOUT=2
+
+# Extra options to run postmaster with, e.g.:
+# -N is the maximal number of client connections
+# -B is the number of shared buffers and has to be at least 2x the value for -N
+# Please read the man-page to postmaster for more options. Many of these
+# options can be set directly in the configuration file.
+#PGOPTS="-N 512 -B 1024"
+
+# Pass extra environment variables. If you have to export environment variables
+# for the database process, this can be done here.
+# Don't forget to escape quotes.
+#PG_EXTRA_ENV="PGPASSFILE=\"/path/to/.pgpass\""
+
+##############################################################################
+#
+# The following values should not be arbitrarily changed.
+#
+# `emerge --config dev-db/postgresql:@SLOT@' uses these values to
+# determine where to create the data directory, where to place the
+# configuration files, and any additional options to pass to initdb.
+#
+# The initscript also uses these variables to inform PostgreSQL where to find
+# its data directory and configuration files.
+#
+##############################################################################
+
+# Location of configuration files
+PGDATA="/etc/postgresql-@SLOT@/"
+
+# Where the data directory is located/to be created
+DATA_DIR="/var/lib/postgresql/@SLOT@/data"
+
+# Additional options to pass to initdb.
+# See `man initdb' for available options.
+PG_INITDB_OPTS="--encoding=UTF8"
diff --git a/dev-db/postgresql/files/postgresql.init b/dev-db/postgresql/files/postgresql.init
new file mode 100644
index 000000000000..35dd316e9604
--- /dev/null
+++ b/dev-db/postgresql/files/postgresql.init
@@ -0,0 +1,137 @@
+#!/sbin/openrc-run
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+extra_started_commands="reload"
+
+get_config() {
+    [ -f ${PGDATA%/}/postgresql.conf ] || return 1
+
+    eval echo $(sed -e 's:#.*::' ${PGDATA%/}/postgresql.conf \
+        | awk '$1 == "'$1'" { print ($2 == "=" ? $3 : $2) }')
+}
+
+depend() {
+    use net
+    provide postgresql
+
+    if [ "$(get_config log_destination)" = "syslog" ]; then
+        use logger
+    fi
+}
+
+configured_port=$(get_config port)
+: ${configured_port:=${PGPORT}}
+socket_path=$(get_config unix_socket_directory)
+: ${socket_path:=/run/postgresql}
+
+checkconfig() {
+    # Check that DATA_DIR has been set
+    if [ -z ${DATA_DIR} ] ; then
+        eerror "DATA_DIR not set"
+        eerror "HINT: Perhaps you need to update /etc/conf.d/postgresql-@SLOT@"
+        return 1
+    fi
+
+    # Check that DATA_DIR exists
+    if [ ! -d ${DATA_DIR} ] ; then
+        eerror "Directory not found: ${DATA_DIR}"
+        eerror "HINT: Ensure that DATA_DIR points to the right path."
+        eerror "HINT: Or perhaps you need to create the database cluster:"
+        eerror "    emerge --config dev-db/postgresql:@SLOT@"
+        return 1
+    fi
+
+    # Check for the existence of PostgreSQL's config files, and set the
+    # proper mode and ownership.
+    # Only three files should be checked as potentially other files
+    # may be in PGDATA that should not be touched.
+    local file
+    for file in postgresql pg_hba pg_ident ; do
+        file="${PGDATA%/}/${file}.conf"
+        if [ -f ${file} ] ; then
+            checkpath -f -m 0600 -o postgres:postgres ${file}
+        else
+            eerror "${file} not found"
+            eerror "HINT: mv ${DATA_DIR%/}/*.conf ${PGDATA}"
+            return 1
+        fi
+    done
+
+    # Set the proper permission for the socket path and create it if
+    # it doesn't exist.
+    checkpath -d -m 1775 -o postgres:postgres ${socket_path}
+    if [ -e ${socket_path%/}/.s.PGSQL.${configured_port} ] ; then
+        eerror "Socket conflict."
+        eerror "A server is already listening on:"
+        eerror "    ${socket_path%/}/.s.PGSQL.${configured_port}"
+        eerror "HINT: Change PGPORT to listen on a different socket."
+        return 1
+    fi
+}
+
+start() {
+    checkconfig || return 1
+
+    ebegin "Starting PostgreSQL"
+
+    rm -f ${DATA_DIR%/}/postmaster.pid
+
+    local extraenv
+    local x
+    for x in ${PG_EXTRA_ENV} ; do
+        extraenv="${extraenv} --env ${x}"
+    done
+
+    start-stop-daemon --start \
+        --user postgres \
+        --env "PGPORT=${configured_port}" \
+        ${extraenv} \
+        --pidfile ${DATA_DIR%/}/postmaster.pid \
+        --exec /usr/@LIBDIR@/postgresql-@SLOT@/bin/pg_ctl \
+        -- start -s -w -t ${START_TIMEOUT} -l ${DATA_DIR%/}/postmaster.log \
+                 -D ${PGDATA} -o "--data-directory=${DATA_DIR} ${PGOPTS}"
+    local retval=$?
+
+    if [ $retval -ne 0 ] ; then
+        eerror "Check the log for a possible explanation of the above error. The log may be"
+        eerror "    ${DATA_DIR%/}/postmaster.log"
+        eerror "Or wherever you configured PostgreSQL @SLOT@ log messages to be sent."
+        eend $retval
+        return $retval
+    fi
+
+    eend $retval
+}
+
+stop() {
+    local seconds=$(( ${NICE_TIMEOUT} + ${RUDE_TIMEOUT} + ${FORCE_TIMEOUT} ))
+    ebegin "Stopping PostgreSQL (this can take up to ${seconds} seconds)"
+
+    local retval
+    local retries=SIGTERM/${NICE_TIMEOUT}
+
+    if [ "${RUDE_QUIT}" != "NO" ] ; then
+        einfo "RUDE_QUIT enabled."
+        retries="${retries}/SIGINT/${RUDE_TIMEOUT}"
+    fi
+    if [ "${FORCE_QUIT}" = "YES" ] ; then
+        einfo "FORCE_QUIT enabled."
+        ewarn "A recover-run might be executed on next startup."
+        retries="${retries}/SIGQUIT/${FORCE_TIMEOUT}"
+    fi
+
+    # Loops through nice, rude, and force quit in one go.
+    start-stop-daemon --stop \
+        --exec /usr/@LIBDIR@/postgresql-@SLOT@/bin/postgres \
+        --retry ${retries} \
+        --pidfile ${DATA_DIR%/}/postmaster.pid
+
+    eend
+}
+
+reload() {
+    ebegin "Reloading PostgreSQL configuration"
+    kill -HUP $(head -n1 ${DATA_DIR%/}/postmaster.pid)
+    eend $?
+}
diff --git a/dev-db/postgresql/files/postgresql.init-9.3 b/dev-db/postgresql/files/postgresql.init-9.3
new file mode 100644
index 000000000000..ffecea7a757c
--- /dev/null
+++ b/dev-db/postgresql/files/postgresql.init-9.3
@@ -0,0 +1,142 @@
+#!/sbin/openrc-run
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+extra_started_commands="reload"
+
+get_config() {
+    [ -f ${PGDATA%/}/postgresql.conf ] || return 1
+
+    eval echo $(sed -e 's:#.*::' ${PGDATA%/}/postgresql.conf \
+        | awk '$1 == "'$1'" { print ($2 == "=" ? $3 : $2) }')
+}
+
+depend() {
+    use net
+    provide postgresql
+
+    if [ "$(get_config log_destination)" = "syslog" ]; then
+        use logger
+    fi
+}
+
+configured_port=$(get_config port)
+: ${configured_port:=${PGPORT}}
+socket_paths=$(get_config unix_socket_directories)
+: ${socket_paths:=/run/postgresql}
+
+checkconfig() {
+    # Check that DATA_DIR has been set
+    if [ -z ${DATA_DIR} ] ; then
+        eerror "DATA_DIR not set"
+        eerror "HINT: Perhaps you need to update /etc/conf.d/postgresql-@SLOT@"
+        return 1
+    fi
+
+    # Check that DATA_DIR exists
+    if [ ! -d ${DATA_DIR} ] ; then
+        eerror "Directory not found: ${DATA_DIR}"
+        eerror "HINT: Ensure that DATA_DIR points to the right path."
+        eerror "HINT: Or perhaps you need to create the database cluster:"
+        eerror "    emerge --config dev-db/postgresql:@SLOT@"
+        return 1
+    fi
+
+    # Check for the existence of PostgreSQL's config files, and set the
+    # proper mode and ownership.
+    # Only three files should be checked as potentially other files
+    # may be in PGDATA that should not be touched.
+    local file
+    for file in postgresql pg_hba pg_ident ; do
+        file="${PGDATA%/}/${file}.conf"
+        if [ -f ${file} ] ; then
+            checkpath -f -m 0600 -o postgres:postgres ${file}
+        else
+            eerror "${file} not found"
+            eerror "HINT: mv ${DATA_DIR%/}/*.conf ${PGDATA}"
+            return 1
+        fi
+    done
+
+    # Set the proper permission for the socket paths and create it if
+    # it doesn't exist.
+	set -f; IFS=','
+	local s
+	for s in ${socket_paths}; do
+		checkpath -d -m 1775 -o postgres:postgres ${s}
+		if [ -e ${s%/}/.s.PGSQL.${configured_port} ] ; then
+			eerror "Socket conflict."
+			eerror "A server is already listening on:"
+			eerror "    ${s%/}/.s.PGSQL.${configured_port}"
+			eerror "HINT: Change PGPORT to listen on a different socket."
+			return 1
+		fi
+	done
+	set +f; unset IFS
+}
+
+start() {
+    checkconfig || return 1
+
+    ebegin "Starting PostgreSQL"
+
+    rm -f ${DATA_DIR%/}/postmaster.pid
+
+    local extraenv
+    local x
+    for x in ${PG_EXTRA_ENV} ; do
+        extraenv="${extraenv} --env ${x}"
+    done
+
+    start-stop-daemon --start \
+        --user postgres \
+        --env "PGPORT=${configured_port}" \
+        ${extraenv} \
+        --pidfile ${DATA_DIR%/}/postmaster.pid \
+        --exec /usr/@LIBDIR@/postgresql-@SLOT@/bin/pg_ctl \
+        -- start -s -w -t ${START_TIMEOUT} -l ${DATA_DIR%/}/postmaster.log \
+                 -D ${PGDATA} -o "--data-directory=${DATA_DIR} ${PGOPTS}"
+    local retval=$?
+
+    if [ $retval -ne 0 ] ; then
+        eerror "Check the log for a possible explanation of the above error. The log may be"
+        eerror "    ${DATA_DIR%/}/postmaster.log"
+        eerror "Or wherever you configured PostgreSQL @SLOT@ log messages to be sent."
+        eend $retval
+        return $retval
+    fi
+
+    eend $retval
+}
+
+stop() {
+    local seconds=$(( ${NICE_TIMEOUT} + ${RUDE_TIMEOUT} + ${FORCE_TIMEOUT} ))
+    ebegin "Stopping PostgreSQL (this can take up to ${seconds} seconds)"
+
+    local retval
+    local retries=SIGTERM/${NICE_TIMEOUT}
+
+    if [ "${RUDE_QUIT}" != "NO" ] ; then
+        einfo "RUDE_QUIT enabled."
+        retries="${retries}/SIGINT/${RUDE_TIMEOUT}"
+    fi
+    if [ "${FORCE_QUIT}" = "YES" ] ; then
+        einfo "FORCE_QUIT enabled."
+        ewarn "A recover-run might be executed on next startup."
+        retries="${retries}/SIGQUIT/${FORCE_TIMEOUT}"
+    fi
+
+    # Loops through nice, rude, and force quit in one go.
+    start-stop-daemon --stop \
+        --exec /usr/@LIBDIR@/postgresql-@SLOT@/bin/postgres \
+        --retry ${retries} \
+        --pidfile ${DATA_DIR%/}/postmaster.pid
+
+    eend
+}
+
+reload() {
+    ebegin "Reloading PostgreSQL configuration"
+    kill -HUP $(head -n1 ${DATA_DIR%/}/postmaster.pid)
+    eend $?
+}
diff --git a/dev-db/postgresql/files/postgresql.service b/dev-db/postgresql/files/postgresql.service
new file mode 100644
index 000000000000..a607169d22f4
--- /dev/null
+++ b/dev-db/postgresql/files/postgresql.service
@@ -0,0 +1,55 @@
+# It's not recommended to modify this file in-place, because it will be
+# overwritten during package upgrades. If you want to customize, the
+# best way is to create file
+# "/etc/systemd/system/postgresql-@SLOT@.service.d/*.conf"
+# containing your changes
+
+# For example, if you want to change the server's port number to 5433,
+# create a file named
+# "/etc/systemd/system/postgresql-@SLOT@.service.d/port.conf"
+# containing:
+#       [Service]
+#       Environment=PGPORT=5433
+# This will override the setting appearing below.
+
+[Unit]
+Description=PostgreSQL database server
+After=network.target
+
+[Service]
+Type=forking
+
+User=postgres
+Group=postgres
+
+# Port number for server to listen on
+Environment=PGPORT=5432
+
+# Location of configuration files
+Environment=PGDATA=/etc/postgresql-@SLOT@
+
+# Where the data directory is located
+Environment=DATA_DIR=/var/lib/postgresql/@SLOT@/data
+
+# Where to send early-startup messages from the server (before the logging
+# options of postgresql.conf take effect)
+# This is normally controlled by the global default set by systemd
+# StandardOutput=syslog
+
+ExecStartPre=/usr/bin/postgresql-@SLOT@-check-db-dir
+ExecStart=/usr/@LIBDIR@/postgresql-@SLOT@/bin/pg_ctl start -D ${DATA_DIR} -s -l ${DATA_DIR}/postmaster.log -o "-p ${PGPORT} -D ${PGDATA} --data-directory=${DATA_DIR}" -w -t 300
+ExecStop=/usr/@LIBDIR@/postgresql-@SLOT@/bin/pg_ctl stop -D ${DATA_DIR} -s -m fast
+ExecReload=/usr/@LIBDIR@/postgresql-@SLOT@/bin/pg_ctl reload -D ${DATA_DIR} -s
+
+# Give a reasonable amount of time for the server to start up/shut down
+TimeoutSec=300
+
+# Disable OOM kill on the postmaster
+OOMScoreAdjust=-1000
+
+# Make sure the required runtimedir is present
+RuntimeDirectory=postgresql
+RuntimeDirectoryMode=1775
+
+[Install]
+WantedBy=multi-user.target
diff --git a/dev-db/postgresql/files/postgresql.service-9.6 b/dev-db/postgresql/files/postgresql.service-9.6
new file mode 100644
index 000000000000..89ec2d5cf7c0
--- /dev/null
+++ b/dev-db/postgresql/files/postgresql.service-9.6
@@ -0,0 +1,56 @@
+# It's not recommended to modify this file in-place, because it will be
+# overwritten during package upgrades. If you want to customize, the
+# best way is to create file
+# "/etc/systemd/system/postgresql-@SLOT@.service.d/*.conf"
+# containing your changes
+
+# For example, if you want to change the server's port number to 5433,
+# create a file named
+# "/etc/systemd/system/postgresql-@SLOT@.service.d/port.conf"
+# containing:
+#       [Service]
+#       Environment=PGPORT=5433
+# This will override the setting appearing below.
+
+[Unit]
+Description=PostgreSQL database server
+After=network.target
+
+[Service]
+Type=notify
+
+User=postgres
+Group=postgres
+
+# Port number for server to listen on
+Environment=PGPORT=5432
+
+# Location of configuration files
+Environment=PGDATA=/etc/postgresql-@SLOT@
+
+# Where the data directory is located
+Environment=DATA_DIR=/var/lib/postgresql/@SLOT@/data
+
+# Where to send early-startup messages from the server (before the logging
+# options of postgresql.conf take effect)
+# This is normally controlled by the global default set by systemd
+# StandardOutput=syslog
+
+ExecStartPre=/usr/bin/postgresql-@SLOT@-check-db-dir
+ExecStart=/usr/@LIBDIR@/postgresql-@SLOT@/bin/postgres -p ${PGPORT} -D ${DATA_DIR}
+ExecReload=/bin/kill -HUP $MAINPID
+KillMode=mixed
+KillSignal=SIGINT
+
+# Give a reasonable amount of time for the server to start up/shut down
+TimeoutSec=300
+
+# Disable OOM kill on the postmaster
+OOMScoreAdjust=-1000
+
+# Make sure the required runtimedir is present
+RuntimeDirectory=postgresql
+RuntimeDirectoryMode=1775
+
+[Install]
+WantedBy=multi-user.target
diff --git a/dev-db/postgresql/postgresql-9.2.19.ebuild b/dev-db/postgresql/postgresql-9.2.19.ebuild
new file mode 100644
index 000000000000..54d1c48fa585
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.2.19.ebuild
@@ -0,0 +1,390 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="5"
+
+PYTHON_COMPAT=( python{2_7,3_4} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="alpha amd64 arm hppa ia64 ~mips ppc ppc64 ~s390 ~sh sparc x86 ~amd64-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(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/"
+
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local 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"
+	local enable_langs lingua
+
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
+	done
+
+	echo -n ${enable_langs}
+}
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-1.2.0
+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-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	dodir /etc/eselect/postgresql/slots/${SLOT}
+	echo "postgres_ebuilds=\"\${postgres_ebuilds} ${PF}\"" > \
+		"${ED}/etc/eselect/postgresql/slots/${SLOT}/base"
+
+	use static-libs || find "${ED}" -name '*.a' -delete
+
+	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" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init" | 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_postinst() {
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT%/}/etc/postgresql-${SLOT}/"
+
+	if [[ -z ${REPLACING_VERSIONS} ]] ; then
+		elog
+		elog "It looks like this is your first time installing PostgreSQL. Run the"
+		elog "following command in all active shells to pick up changes to the default"
+		elog "environment:"
+		elog "    source /etc/profile"
+	fi
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "http://www.postgresql.org/docs/${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 "    ${DATA_DIR}"
+	einfo
+	while [ "$correct" != "true" ] ; do
+		einfo "Are you ready to continue? (y/n)"
+		read answer
+		if [[ $answer =~ ^[Yy]([Ee][Ss])?$ ]] ; then
+			correct="true"
+		elif [[ $answer =~ ^[Nn]([Oo])?$ ]] ; then
+			die "Aborting initialization."
+		else
+			echo "Answer not recognized"
+		fi
+	done
+
+	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 "${DATA_DIR%/}"
+	fi
+
+	cat <<- EOF >> "${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.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.2.22.ebuild b/dev-db/postgresql/postgresql-9.2.22.ebuild
new file mode 100644
index 000000000000..f68ece459c13
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.2.22.ebuild
@@ -0,0 +1,441 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="6"
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="alpha amd64 arm ~hppa ia64 ~mips ppc ppc64 ~s390 ~sh sparc x86 ~amd64-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(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/"
+
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local 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"
+	local enable_langs lingua
+
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${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\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	use server || eapply "${FILESDIR}/${PN}-${SLOT}-no-server.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
+
+	eapply_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}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT/.}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${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}${SLOT/.}tmp"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+
+		docinto sgml
+		dodoc doc/src/sgml/*.{sgml,dsl}
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${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.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.2.23-r1.ebuild b/dev-db/postgresql/postgresql-9.2.23-r1.ebuild
new file mode 100644
index 000000000000..9eae7d8feef2
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.2.23-r1.ebuild
@@ -0,0 +1,445 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="6"
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(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/"
+
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local 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"
+	local enable_langs lingua
+
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${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\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	use server || eapply "${FILESDIR}/${PN}-${SLOT}-no-server.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
+
+	eapply_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}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT/.}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${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}${SLOT/.}tmp"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+
+		docinto sgml
+		dodoc doc/src/sgml/*.{sgml,dsl}
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${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}
+
+		if use systemd; then
+			sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+				"${FILESDIR}/${PN}.service-9.2" | \
+				systemd_newunit - ${PN}-${SLOT}.service
+			systemd_newtmpfilesd "${FILESDIR}"/${PN}.tmpfiles ${PN}-${SLOT}.conf
+		fi
+
+		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 1775 /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() {
+	use server && use systemd && systemd_tmpfiles_create ${PN}-${SLOT}.conf
+	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.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.2.23.ebuild b/dev-db/postgresql/postgresql-9.2.23.ebuild
new file mode 100644
index 000000000000..bc6bfbfbf3de
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.2.23.ebuild
@@ -0,0 +1,441 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="6"
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(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/"
+
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local 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"
+	local enable_langs lingua
+
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${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\"${EPREFIX}/run/postgresql\"|" \
+		-i src/include/pg_config_manual.h || die
+
+	use server || eapply "${FILESDIR}/${PN}-${SLOT}-no-server.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
+
+	eapply_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}
+
+	# Create slot specific man pages
+	local bn f mansec slotted_name
+	for mansec in 1 3 7 ; do
+		local rel_manpath="../../postgresql-${SLOT}/man/man${mansec}"
+
+		mkdir -p "${ED}"/usr/share/man/man${mansec} || die "making man dir"
+		pushd "${ED}"/usr/share/man/man${mansec} > /dev/null || die "pushd failed"
+
+		for f in "${ED}/usr/share/postgresql-${SLOT}/man/man${mansec}"/* ; do
+			bn=$(basename "${f}")
+			slotted_name=${bn%.${mansec}}${SLOT/.}.${mansec}
+			case ${bn} in
+				TABLE.7|WITH.7)
+					echo ".so ${rel_manpath}/SELECT.7" > ${slotted_name}
+					;;
+				*)
+					echo ".so ${rel_manpath}/${bn}" > ${slotted_name}
+					;;
+			esac
+		done
+
+		popd > /dev/null
+	done
+
+	insinto /etc/postgresql-${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}${SLOT/.}tmp"
+	done
+
+	if use doc ; then
+		docinto html
+		dodoc doc/src/sgml/html/*
+
+		docinto sgml
+		dodoc doc/src/sgml/*.{sgml,dsl}
+	fi
+
+	if use server; then
+		sed -e "s|@SLOT@|${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.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.3.15.ebuild b/dev-db/postgresql/postgresql-9.3.15.ebuild
new file mode 100644
index 000000000000..2a15daf099fc
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.3.15.ebuild
@@ -0,0 +1,395 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="5"
+
+PYTHON_COMPAT=( python{2_7,3_4} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="alpha amd64 arm hppa ia64 ~mips ppc ppc64 ~s390 ~sh sparc x86 ~amd64-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(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/"
+
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local 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"
+	local enable_langs lingua
+
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
+	done
+
+	echo -n ${enable_langs}
+}
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-1.2.0
+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-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	dodir /etc/eselect/postgresql/slots/${SLOT}
+	echo "postgres_ebuilds=\"\${postgres_ebuilds} ${PF}\"" > \
+		"${ED}/etc/eselect/postgresql/slots/${SLOT}/base"
+
+	use static-libs || find "${ED}" -name '*.a' -delete
+
+	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" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3" | 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_postinst() {
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT%/}/etc/postgresql-${SLOT}/"
+
+	if [[ -z ${REPLACING_VERSIONS} ]] ; then
+		elog
+		elog "It looks like this is your first time installing PostgreSQL. Run the"
+		elog "following command in all active shells to pick up changes to the default"
+		elog "environment:"
+		elog "    source /etc/profile"
+	fi
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "http://www.postgresql.org/docs/${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 "    ${DATA_DIR}"
+	einfo
+	while [ "$correct" != "true" ] ; do
+		einfo "Are you ready to continue? (y/n)"
+		read answer
+		if [[ $answer =~ ^[Yy]([Ee][Ss])?$ ]] ; then
+			correct="true"
+		elif [[ $answer =~ ^[Nn]([Oo])?$ ]] ; then
+			die "Aborting initialization."
+		else
+			echo "Answer not recognized"
+		fi
+	done
+
+	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 "${DATA_DIR%/}"
+	fi
+
+	cat <<- EOF >> "${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.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.4.10.ebuild b/dev-db/postgresql/postgresql-9.4.10.ebuild
new file mode 100644
index 000000000000..0c0626e267cc
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.4.10.ebuild
@@ -0,0 +1,427 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="5"
+
+PYTHON_COMPAT=( python{2_7,3_4} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="alpha amd64 arm hppa ia64 ~mips ppc ppc64 ~s390 ~sh sparc x86 ~amd64-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(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/"
+
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local 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"
+	local enable_langs lingua
+
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
+	done
+
+	echo -n ${enable_langs}
+}
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-1.2.0
+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-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	dodir /etc/eselect/postgresql/slots/${SLOT}
+	echo "postgres_ebuilds=\"\${postgres_ebuilds} ${PF}\"" > \
+		"${ED}/etc/eselect/postgresql/slots/${SLOT}/base"
+
+	use static-libs || find "${ED}" -name '*.a' -delete
+
+	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" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3" | 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_postinst() {
+	postgresql-config update
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT%/}/etc/postgresql-${SLOT}/"
+
+	if [[ -z ${REPLACING_VERSIONS} ]] ; then
+		elog
+		elog "It looks like this is your first time installing PostgreSQL. Run the"
+		elog "following command in all active shells to pick up changes to the default"
+		elog "environment:"
+		elog "    source /etc/profile"
+	fi
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "http://www.postgresql.org/docs/${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 "    ${DATA_DIR}"
+	einfo
+	while [ "$correct" != "true" ] ; do
+		einfo "Are you ready to continue? (y/n)"
+		read answer
+		if [[ $answer =~ ^[Yy]([Ee][Ss])?$ ]] ; then
+			correct="true"
+		elif [[ $answer =~ ^[Nn]([Oo])?$ ]] ; then
+			die "Aborting initialization."
+		else
+			echo "Answer not recognized"
+		fi
+	done
+
+	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 "${DATA_DIR%/}"
+	fi
+
+	cat <<- EOF >> "${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.'
+		[[ ${UID} -eq 0 ]] || \
+			ewarn 'Tests cannot be run as root. Enable "userpriv" in FEATURES.'
+
+		ewarn 'Skipping.'
+	fi
+}
diff --git a/dev-db/postgresql/postgresql-9.5.5.ebuild b/dev-db/postgresql/postgresql-9.5.5.ebuild
new file mode 100644
index 000000000000..18ae5023750e
--- /dev/null
+++ b/dev-db/postgresql/postgresql-9.5.5.ebuild
@@ -0,0 +1,438 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="5"
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
+
+inherit eutils flag-o-matic linux-info multilib pam prefix python-single-r1 \
+		systemd user versionator
+
+KEYWORDS="~alpha amd64 arm ~arm64 hppa ia64 ~mips ppc ppc64 ~s390 ~sh sparc x86 ~amd64-fbsd ~x86-fbsd ~ppc-macos ~x86-solaris"
+
+SLOT="$(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/"
+
+IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
+	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+wanted_languages() {
+	local 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"
+	local enable_langs lingua
+
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
+	done
+
+	echo -n ${enable_langs}
+}
+
+CDEPEND="
+>=app-eselect/eselect-postgresql-1.2.0
+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}/${PN}-9.5.5-no-server.patch"
+
+	# Fix bug 486556 where the server would crash at start up because of
+	# an infinite loop caused by a self-referencing symlink.
+	epatch "${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 !alpha spinlocks) \
+		$(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-${SLOT}
+	newins src/bin/psql/psqlrc.sample psqlrc
+
+	dodir /etc/eselect/postgresql/slots/${SLOT}
+	echo "postgres_ebuilds=\"\${postgres_ebuilds} ${PF}\"" > \
+		"${ED}/etc/eselect/postgresql/slots/${SLOT}/base"
+
+	use static-libs || find "${ED}" -name '*.a' -delete
+
+	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" | newconfd - ${PN}-${SLOT}
+
+		sed -e "s|@SLOT@|${SLOT}|g" -e "s|@LIBDIR@|$(get_libdir)|g" \
+			"${FILESDIR}/${PN}.init-9.3" | 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_postinst() {
+	postgresql-config update
+
+	if use alpha && use server ; then
+		ewarn "PostgreSQL 9.5+ no longer has native spinlock support on Alpha platforms."
+		ewarn "As a result, performance will be extremely degraded."
+	fi
+
+	elog "If you need a global psqlrc-file, you can place it in:"
+	elog "    ${EROOT%/}/etc/postgresql-${SLOT}/"
+
+	if [[ -z ${REPLACING_VERSIONS} ]] ; then
+		elog
+		elog "It looks like this is your first time installing PostgreSQL. Run the"
+		elog "following command in all active shells to pick up changes to the default"
+		elog "environment:"
+		elog "    source /etc/profile"
+	fi
+
+	if use server ; then
+		elog
+		elog "Gentoo specific documentation:"
+		elog "https://wiki.gentoo.org/wiki/PostgreSQL"
+		elog
+		elog "Official documentation:"
+		elog "http://www.postgresql.org/docs/${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 "    ${DATA_DIR}"
+	einfo
+
+	if [ -z "$PG_AUTOCONFIG" ] ; then
+		while [ "$correct" != "true" ] ; do
+			einfo "Are you ready to continue? (y/n)"
+			read answer
+			if [[ $answer =~ ^[Yy]([Ee][Ss])?$ ]] ; then
+				correct="true"
+			elif [[ $answer =~ ^[Nn]([Oo])?$ ]] ; then
+				die "Aborting initialization."
+			else
+				echo "Answer not recognized"
+			fi
+		done
+	else
+		einfo "PG_AUTOCONFIG set, not prompting"
+	fi
+
+	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 "${DATA_DIR%/}"
+	fi
+
+	cat <<- EOF >> "${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
+}