diff --git a/lib/portage/util/env_update.py b/lib/portage/util/env_update.py
index bb0ebf8..aef5b6d 100644
--- a/lib/portage/util/env_update.py
+++ b/lib/portage/util/env_update.py
@@ -26,6 +26,7 @@ from portage.util import (
 from portage.util.listdir import listdir
 from portage.dbapi.vartree import vartree
 from portage.package.ebuild.config import config
+from portage.process import spawn
 
 
 def env_update(
@@ -444,3 +445,19 @@ def _env_update(makelinks, target_root, prev_mtimes, contents, env, writemsg_lev
     for x in env_keys:
         outfile.write("setenv %s '%s'\n" % (x, env[x]))
     outfile.close()
+
+    # execute +x scripts in /etc/env-update.d/
+    env_update_d_dir = os.path.join(eroot, "etc", "env-update.d")
+    ensure_dirs(env_update_d_dir, mode=0o755)
+    fns = listdir(env_update_d_dir, EmptyOnError=1)
+    fns.sort()
+    for x in fns:
+        if len(x) < 3:
+            continue
+        if not x[0].isdigit() or not x[1].isdigit():
+            continue
+        if x.startswith(".") or x.endswith("~") or x.endswith(".bak"):
+            continue
+        x = os.path.join(env_update_d_dir, x)
+        if os.access(x, os.X_OK):
+            spawn(x)