diff options
| -rw-r--r-- | lib/spack/spack/package.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/spack/spack/package.py b/lib/spack/spack/package.py index be0f03fe01..caf47afc95 100644 --- a/lib/spack/spack/package.py +++ b/lib/spack/spack/package.py @@ -888,10 +888,19 @@ class PackageBase(with_metaclass(PackageMeta, object)): return bool(self.extendees) def extends(self, spec): + ''' + Returns True if this package extends the given spec. + + If ``self.spec`` is concrete, this returns whether this package extends + the given spec. + + If ``self.spec`` is not concrete, this returns whether this package may + extend the given spec. + ''' if spec.name not in self.extendees: return False s = self.extendee_spec - return s and s.satisfies(spec) + return s and spec.satisfies(s) @property def activated(self): |