summaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/spack/spack/spec.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index b026a3ab93..dba4924144 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -82,6 +82,7 @@ import operator
import os
import re
import sys
+import warnings
import ruamel.yaml as yaml
import six
@@ -2399,6 +2400,13 @@ class Spec(object):
"""
import spack.concretize
+ # Add a warning message to inform users that the original concretizer
+ # will be removed in v0.18.0
+ msg = ('the original concretizer is currently being used.\n\tUpgrade to '
+ '"clingo" at your earliest convenience. The original concretizer '
+ 'will be removed from Spack starting at v0.18.0')
+ warnings.warn(msg)
+
if not self.name:
raise spack.error.SpecError(
"Attempting to concretize anonymous spec")