1 files changed, 2 insertions, 0 deletions
diff --git a/build2/utility b/build2/utility
index 7f05dd0..6c73e8e 100644
--- a/build2/utility
+++ b/build2/utility
@@ -37,6 +37,8 @@ namespace build2
   using butl::combine_hash;
   using butl::reverse_iterate;
   using butl::casecmp;
+  using butl::case_compare_string;
+  using butl::case_compare_c_string;
   using butl::lcase;
   using butl::alpha;
   using butl::alnum;