config.setcpv: fix early ret for IUSE_EFFECTIVE

diff --git a/pym/portage/package/ebuild/config.py b/pym/portage/package/ebuild/config.py
index e8713820304dc6ccbd59f303fba2bc92ca3cce1f..8f3b59bc9f7ad5008be2f8dec812499b912c6693 100644 (file)
--- a/pym/portage/package/ebuild/config.py
+++ b/pym/portage/package/ebuild/config.py
@@ -1243,6 +1243,7 @@ class config(object):
                iuse = ""
                pkg_configdict = self.configdict["pkg"]
                previous_iuse = pkg_configdict.get("IUSE")
+               previous_iuse_effective = pkg_configdict.get("IUSE_EFFECTIVE")
                previous_features = pkg_configdict.get("FEATURES")
 
                aux_keys = self._setcpv_aux_keys
@@ -1433,7 +1434,8 @@ class config(object):
 
                # If reset() has not been called, it's safe to return
                # early if IUSE has not changed.
-               if not has_changed and previous_iuse == iuse:
+               if not has_changed and previous_iuse == iuse and \
+                       (previous_iuse_effective is not None == eapi_attrs.iuse_effective):
                        return
 
                # Filter out USE flags that aren't part of IUSE. This has to