Index: runtime/test/lit.cfg
===================================================================
--- runtime/test/lit.cfg
+++ runtime/test/lit.cfg
@@ -92,6 +92,9 @@
     # for callback.h
     config.test_cflags += " -I " + config.test_source_root + "/ompt"
 
+if 'Linux' in config.operating_system:
+    config.available_features.add("linux")
+
 # substitutions
 if config.has_ompt:
     config.substitutions.append(("FileCheck", config.test_filecheck))