Pass '-undefined error' non sysroot ldflag on macOS (#894)

bazel-contrib · Apr 19, 2022 · cac4699 · cac4699
1 parent e7eebef
commit cac4699
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/foreign_cc/built_tools/make_build.bzl b/foreign_cc/built_tools/make_build.bzl
@@ -71,6 +71,9 @@ def _make_tool_impl(ctx):
         if absolute_ar == "libtool" or absolute_ar.endswith("/libtool"):
             arflags.append("-o")
 
+        if os_name(ctx) == "macos":
+            non_sysroot_ldflags += ["-undefined", "error"]
+
         env.update({
             "AR": absolute_ar,
             "ARFLAGS": _join_flags_list(ctx.workspace_name, arflags),