--- a/SConscript	2021-09-22 00:53:44.000000000 +0300
+++ b/SConscript	2021-09-25 06:55:30.514907375 +0300
@@ -464,7 +464,7 @@
     'WRITE_PAD',       # So we can test WRITE_PAD values on the fly.
 )
 
-envs = {}
+envs = os.environ
 for var in import_env:
     if var in os.environ:
         envs[var] = os.environ[var]