dev-util/cdecl: Add new package

See #570454, this package is a continuation of dev-util/cdecl::gentoo
from the main repo's 7c81cf86, from a different up-to-date source.

Signed-off-by: Marco Sirabella <marco@sirabella.org>

dev-util/cdecl/cdecl-9.10.ebuild

@@ -0,0 +1,40 @@
+# Copyright 2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit autotools
+
+DESCRIPTION='Composing and deciphering C (or C++) declarations or casts, aka "gibberish."'
+HOMEPAGE="https://github.com/paul-j-lucas/cdecl"
+SRC_URI="https://github.com/paul-j-lucas/${PN}/archive/${P}.tar.gz"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="+readline"
+
+DEPEND="
+	sys-libs/ncurses:0=
+	readline? ( sys-libs/readline:0= )
+"
+RDEPEND="${DEPEND}"
+BDEPEND="
+	sys-devel/bison
+	sys-devel/flex
+"
+
+PATCHES=(
+	"${FILESDIR}/${P}-tinfo.patch"
+)
+
+S="${WORKDIR}/${PN}-${P}"
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+src_configure() {
+	econf $(use_with readline)
+}