diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5adccfe1..0b647781 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3168,6 +3168,9 @@ configure-args:
   hocilib:
   - --extra-lib-dirs
   - /usr/local/lib
+  clang-pure:
+  - --extra-lib-dirs
+  - /usr/lib/llvm-3.7/lib
 
 # end of configure-args