diff options
| -rw-r--r-- | lib/spack/spack/package.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/spack/spack/package.py b/lib/spack/spack/package.py index 9dfd8bf01f..d87607a8dd 100644 --- a/lib/spack/spack/package.py +++ b/lib/spack/spack/package.py @@ -2319,8 +2319,13 @@ class PackageBase(six.with_metaclass(PackageMeta, PackageViewMixin, object)): extensions_layout = view.extensions_layout - extensions_layout.check_extension_conflict( - self.extendee_spec, self.spec) + try: + extensions_layout.check_extension_conflict( + self.extendee_spec, self.spec) + except spack.directory_layout.ExtensionAlreadyInstalledError as e: + # already installed, let caller know + tty.msg(e.message) + return # Activate any package dependencies that are also extensions. if with_dependencies: |