Merge pull request #466 from ESMCI/santos/config-build-fallback

Use `config_build` as fallback `config_compilers`.
E3SM-Project · Aug 26, 2016 · 82a8376 · 82a8376
2 parents def6e59 + b1fdd18
commit 82a8376
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/utils/python/CIME/case.py b/utils/python/CIME/case.py
@@ -710,8 +710,11 @@ def _create_caseroot_tools(self):
 
         # Create Macros file.
         machine = self.get_value("MACH")
-        if os.getenv("CIME_USE_CONFIG_BUILD") == "TRUE":
-            files = Files()
+        files = Files()
+        # Use config_build if the environment variable is set, or if there is no
+        # config_compilers file.
+        if os.getenv("CIME_USE_CONFIG_BUILD") == "TRUE" or \
+           files.get_value("COMPILERS_SPEC_FILE") is None:
             build_file = files.get_value("BUILD_SPEC_FILE")
             machobj = Machines(machine=machine, files=files)
             macro_maker = Build(machobj)