diff options
| -rw-r--r-- | lib/spack/spack/spec.py | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py index fa2e9fd4c8..94d881da28 100644 --- a/lib/spack/spack/spec.py +++ b/lib/spack/spack/spec.py @@ -462,11 +462,10 @@ class Spec(object): """Called by the parser to set the architecture.""" if self.architecture: raise DuplicateArchitectureError( "Spec for '%s' cannot have two architectures." % self.name) - platform = spack.architecture.sys_type() if '-' in architecture: os, target = architecture.split('-') - else: - os = None + elif architecture == 'frontend' or architecture == 'backend': + os = architecture target = architecture self.architecture = spack.architecture.Arch(os, target) |