diff options
Diffstat (limited to 'cerbero/build/build.py')
| -rw-r--r-- | cerbero/build/build.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/cerbero/build/build.py b/cerbero/build/build.py index 615778f..c911ef8 100644 --- a/cerbero/build/build.py +++ b/cerbero/build/build.py @@ -167,7 +167,8 @@ class MakefilesBase (Build): for var, val in new_env.iteritems(): if val is None: - del os.environ[var] + if var in os.environ: + del os.environ[var] else: os.environ[var] = val return self._old_env @@ -179,7 +180,8 @@ class MakefilesBase (Build): for var, val in old_env.iteritems(): if val is None: - del os.environ[var] + if var in os.environ: + del os.environ[var] else: os.environ[var] = val self._old_env = None |