dev-libs/nsync: EAPI-7 bump, use cmake.eclass for 1.20.1 too

Bug: https://bugs.gentoo.org/770580
Package-Manager: Portage-3.0.16, Repoman-3.0.2
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

dev-libs/nsync/nsync-1.20.1.ebuild

@@ -1,11 +1,12 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=6
+EAPI=7
 
+CMAKE_ECLASS=cmake
 inherit cmake-multilib
 
-DESCRIPTION="A C library that exports various synchronization primitives, such as mutexes"
+DESCRIPTION="C library that exports various synchronization primitives, such as mutexes"
 HOMEPAGE="https://github.com/google/nsync"
 SRC_URI="https://github.com/google/nsync/archive/${PV}.tar.gz -> ${P}.tar.gz"
 
@@ -13,15 +14,14 @@ LICENSE="Apache-2.0"
 SLOT="0"
 KEYWORDS="amd64 x86"
 IUSE="test"
+
 RESTRICT="!test? ( test )"
 
 DOCS=( README )
 
 multilib_src_configure() {
 	local mycmakeargs=(
-		-DBUILD_SHARED_LIBS=ON
 		-DNSYNC_ENABLE_TESTS=$(usex test)
 	)
-
-	cmake-utils_src_configure
+	cmake_src_configure
 }