sci-libs/nemesis: EAPI-7 bump, switch to cmake.eclass

I guess I was the last one to version bump, so be it.

Package-Manager: Portage-3.0.15, Repoman-3.0.2
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

sci-libs/nemesis/nemesis-6.09.ebuild

@@ -1,16 +1,15 @@
-# Copyright 1999-2018 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=6
+EAPI=7
 
-inherit cmake-utils
-
-MY_PN="exodus"
-MY_P="${MY_PN}-${PV}"
+MY_P="exodus-${PV}"
+inherit cmake
 
 DESCRIPTION="Enhancement to the EXODUSII finite element database model"
 HOMEPAGE="https://github.com/certik/exodus"
 SRC_URI="https://dev.gentoo.org/~asturm/distfiles/${MY_P}.tar.gz"
+S="${WORKDIR}"/${MY_P}/${PN}
 
 LICENSE="BSD"
 SLOT="0"
@@ -19,16 +18,15 @@ IUSE="static-libs"
 
 DEPEND="
 	sci-libs/exodusii
-	sci-libs/netcdf"
+	sci-libs/netcdf
+"
 RDEPEND="${DEPEND}"
 
-S="${WORKDIR}"/${MY_P}/${PN}
-
 PATCHES=( "${FILESDIR}"/${P}-multilib.patch )
 
 src_prepare() {
-	find ../exodus -delete || die
-	cmake-utils_src_prepare
+	rm -r ../exodus || die
+	cmake_src_prepare
 }
 
 src_configure() {
@@ -37,7 +35,7 @@ src_configure() {
 	)
 	export NETCDF_DIR="${EPREFIX}/usr/"
 	export EXODUS_DIR="${EPREFIX}/usr/"
-	cmake-utils_src_configure
+	cmake_src_configure
 }
 
 src_test() {