sys-apps/man-db: Added sub-slot dep for sys-libs/gdbm

Also reworked econf call a bit.

Package-Manager: Portage-2.3.19, Repoman-2.3.6

sys-apps/man-db/man-db-2.7.6.1-r2.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
@@ -16,8 +16,8 @@ IUSE="berkdb +gdbm +manpager nls selinux static-libs zlib"
 
 CDEPEND=">=dev-libs/libpipeline-1.4.0
 	berkdb? ( sys-libs/db:= )
-	gdbm? ( sys-libs/gdbm )
-	!berkdb? ( !gdbm? ( sys-libs/gdbm ) )
+	gdbm? ( sys-libs/gdbm:= )
+	!berkdb? ( !gdbm? ( sys-libs/gdbm:= ) )
 	sys-apps/groff
 	zlib? ( sys-libs/zlib )
 	!sys-apps/man"
@@ -45,15 +45,17 @@ pkg_setup() {
 
 src_configure() {
 	export ac_cv_lib_z_gzopen=$(usex zlib)
-	econf \
-		--docdir='$(datarootdir)'/doc/${PF} \
-		--with-systemdtmpfilesdir="${EPREFIX}"/usr/lib/tmpfiles.d \
-		--enable-setuid \
-		--enable-cache-owner=man \
-		--with-sections="1 1p 8 2 3 3p 4 5 6 7 9 0p tcl n l p o 1x 2x 3x 4x 5x 6x 7x 8x" \
-		$(use_enable nls) \
-		$(use_enable static-libs static) \
+	local myeconfargs=(
+		--docdir='$(datarootdir)'/doc/${PF}
+		--with-systemdtmpfilesdir="${EPREFIX}"/usr/lib/tmpfiles.d
+		--enable-setuid
+		--enable-cache-owner=man
+		--with-sections="1 1p 8 2 3 3p 4 5 6 7 9 0p tcl n l p o 1x 2x 3x 4x 5x 6x 7x 8x"
+		$(use_enable nls)
+		$(use_enable static-libs static)
 		--with-db=$(usex gdbm gdbm $(usex berkdb db gdbm))
+	)
+	econf "${myeconfargs[@]}"
 
 	# Disable color output from groff so that the manpager can add it. #184604
 	sed -i \