dev-libs/libexplain: add a missing dependency.

This commit bumps the ebuild to EAPI version 6 and adds a missing dependency on
sys-apps/acl.

Gentoo-Bug: https://bugs.gentoo.org/579268

Package-Manager: Portage-2.3.6, Repoman-2.3.1

dev-libs/libexplain/files/libexplain-0.45-configure.patch

@@ -1,5 +1,5 @@
---- libexplain-0.45.D001.orig/configure.ac
-+++ libexplain-0.45.D001/configure.ac
+--- a/configure.ac
++++ b/configure.ac
 @@ -26,6 +26,10 @@
  AC_PROG_RANLIB
  AC_PROG_YACC

dev-libs/libexplain/libexplain-1.4-r1.ebuild

@@ -0,0 +1,50 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools
+
+DESCRIPTION="Library which may be used to explain Unix and Linux system call errors"
+HOMEPAGE="http://libexplain.sourceforge.net/"
+SRC_URI="http://libexplain.sourceforge.net/${P}.tar.gz"
+
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux"
+LICENSE="GPL-3 LGPL-3"
+IUSE="static-libs"
+
+DEPEND="
+	sys-apps/acl
+	sys-apps/groff
+	app-text/ghostscript-gpl
+	>=sys-kernel/linux-headers-2.6.35"
+
+RDEPEND="
+	${DEPEND}
+	sys-libs/libcap
+	sys-process/lsof
+	sys-libs/glibc"
+
+# Test fails with:
+# This is not a bug, but it does indicate where libexplain's ioctl support
+# could be improved.
+RESTRICT="test"
+
+PATCHES=( "${FILESDIR}"/${PN}-0.45-configure.patch )
+
+src_prepare() {
+	# Portage incompatible test
+	sed \
+		-e '/t0524a/d' \
+		-e '/t0363a/d' \
+		-i Makefile.in || die
+
+	cp -v "${S}"/etc/configure.ac "${S}" || die
+	default
+	eautoreconf
+}
+
+src_install() {
+	default
+}