diff options
| -rw-r--r-- | SCons/Action.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/SCons/Action.py b/SCons/Action.py index 172e74e..38570ce 100644 --- a/SCons/Action.py +++ b/SCons/Action.py @@ -759,12 +759,12 @@ def _resolve_shell_env(env, target, source): ENV = get_default_ENV(env) shell_gen = env.get('SHELL_ENV_GENERATORS') if shell_gen is not None: - ENV = ENV.copy() try: shell_gens = iter(shell_gen) except TypeError: raise SCons.Errors.UserError("SHELL_ENV_GENERATORS must be iteratable.") else: + ENV = ENV.copy() for generator in shell_gens: ENV = generator(env, target, source, ENV) if not isinstance(ENV, dict): |