distutils-r1.eclass: Use _python_impl_matches()

Update the missed occurence of pattern matching with the new framework.

diff --git a/eclass/distutils-r1.eclass b/eclass/distutils-r1.eclass
index 1376326c957938ce1efdedc64b3a6d8e08dc6a94..6078fb6d52b7010f11650e790e6f1e87ca07ed3b 100644 (file)
--- a/eclass/distutils-r1.eclass
+++ b/eclass/distutils-r1.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: distutils-r1.eclass
@@ -191,6 +191,12 @@ fi
 # (allowing any implementation). If multiple values are specified,
 # implementations matching any of the patterns will be accepted.
 #
+# The patterns can be either fnmatch-style patterns (matched via bash
+# == operator against PYTHON_COMPAT values) or '-2' / '-3' to indicate
+# appropriately all enabled Python 2/3 implementations (alike
+# python_is_python3). Remember to escape or quote the fnmatch patterns
+# to prevent accidental shell filename expansion.
+#
 # If the restriction needs to apply conditionally to a USE flag,
 # the variable should be set conditionally as well (e.g. in an early
 # phase function or other convenient location).
@@ -669,12 +675,9 @@ _distutils-r1_run_common_phase() {
        if [[ ! ${DISTUTILS_SINGLE_IMPL} ]]; then
                local best_impl patterns=( "${DISTUTILS_ALL_SUBPHASE_IMPLS[@]-*}" )
                _distutils_try_impl() {
-                       local pattern
-                       for pattern in "${patterns[@]}"; do
-                               if [[ ${EPYTHON} == ${pattern} ]]; then
-                                       best_impl=${MULTIBUILD_VARIANT}
-                               fi
-                       done
+                       if _python_impl_matches "${EPYTHON}" "${patterns[@]}"; then
+                               best_impl=${MULTIBUILD_VARIANT}
+                       fi
                }
                python_foreach_impl _distutils_try_impl
                unset -f _distutils_try_impl