python-single-r1.eclass: Mark eclass-generated variables read-only

diff --git a/eclass/python-single-r1.eclass b/eclass/python-single-r1.eclass
index 8021501feb2012c53f0733386f795eb3a9462c43..158229503f99f00e54c8efbd0733604661b73d86 100644 (file)
--- a/eclass/python-single-r1.eclass
+++ b/eclass/python-single-r1.eclass
@@ -238,7 +238,7 @@ _python_single_set_globals() {
                        PYTHON_DEPS+="python_single_target_${i}? ( ${PYTHON_PKG_DEP} ) "
                done
        fi
-       PYTHON_USEDEP=${optflags// /,}
+       declare -g -r PYTHON_USEDEP=${optflags// /,}
 
        # 1) well, python-exec would suffice as an RDEP
        # but no point in making this overcomplex, BDEP doesn't hurt anyone
@@ -253,6 +253,7 @@ _python_single_set_globals() {
        else
                PYTHON_DEPS+="dev-lang/python-exec:2[${PYTHON_USEDEP}]"
        fi
+       readonly PYTHON_DEPS PYTHON_REQUIRED_USE
 }
 _python_single_set_globals
 unset -f _python_single_set_globals