dev-db/postgresql: Remove linguas_* from IUSE.

Also move definition of supported locales to a local variable.
How could this possibly have worked, with an assignment of the
LINGUAS variable in global scope?

Package-Manager: Portage-2.3.19, Repoman-2.3.6

dev-db/postgresql/postgresql-10.0-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -21,21 +21,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr zh_CN
-		 zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl python +readline
 	  selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-10.0.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -21,21 +21,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr zh_CN
-		 zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl python +readline
 	  selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-10.1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -21,21 +21,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr zh_CN
-		 zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl python +readline
 	  selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.2.19.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="5"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.2.22.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.2.23-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.2.23.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.2.24.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.3.15.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="5"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.3.18.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.3.19-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.3.19.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.3.20.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.4.10.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="5"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.4.13.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.4.14-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.4.14.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.4.15.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.5.10.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.5.5.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="5"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.5.8.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.5.9-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.5.9.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -18,21 +18,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.6.4.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -21,21 +21,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.6.5-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -21,21 +21,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.6.5.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -21,21 +21,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9.6.6.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -21,21 +21,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="doc kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}

dev-db/postgresql/postgresql-9999.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
@@ -19,21 +19,17 @@ LICENSE="POSTGRESQL GPL-2"
 DESCRIPTION="PostgreSQL RDBMS"
 HOMEPAGE="http://www.postgresql.org/"
 
-LINGUAS="af cs de en es fa fr hr hu it ko nb pl pt_BR ro ru sk sl sv tr
-		 zh_CN zh_TW"
 IUSE="kerberos kernel_linux ldap libressl nls pam perl -pg_legacytimestamp python
 	  +readline selinux +server systemd ssl static-libs tcl threads uuid xml zlib"
-
-for lingua in ${LINGUAS}; do
-	IUSE+=" linguas_${lingua}"
-done
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 wanted_languages() {
-	local enable_langs
+	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 ${LINGUAS} ; do
-		use linguas_${lingua} && enable_langs+="${lingua} "
+	for lingua in ${linguas} ; do
+		has ${lingua} ${LINGUAS-${lingua}} && enable_langs+="${lingua} "
 	done
 
 	echo -n ${enable_langs}