qmake-utils.eclass: EAPI 8 support

#21539

Signed-off-by: David Michael <fedora.dm0@gmail.com>
Signed-off-by: Davide Pesavento <pesa@gentoo.org>

eclass/qmake-utils.eclass

@@ -1,27 +1,27 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: qmake-utils.eclass
 # @MAINTAINER:
 # qt@gentoo.org
 # @AUTHOR:
 # Davide Pesavento <pesa@gentoo.org>
-# @SUPPORTED_EAPIS: 7
+# @SUPPORTED_EAPIS: 7 8
 # @BLURB: Common functions for qmake-based packages.
 # @DESCRIPTION:
 # Utility eclass providing wrapper functions for Qt5 qmake.
 #
 # This eclass does not set any metadata variables nor export any phase
 # functions. It can be inherited safely.
 
-if [[ -z ${_QMAKE_UTILS_ECLASS} ]]; then
-_QMAKE_UTILS_ECLASS=1
-
 case ${EAPI} in
-	7) ;;
-	*) die "EAPI=${EAPI:-0} is not supported" ;;
+	7|8) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
 esac
 
+if [[ -z ${_QMAKE_UTILS_ECLASS} ]]; then
+_QMAKE_UTILS_ECLASS=1
+
 inherit toolchain-funcs
 
 # @FUNCTION: _qmake-utils_banned_func