diff --git a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
@@ -205,6 +205,12 @@
     includes = ["include"],
     linkopts = select({
         "@bazel_tools//src/conditions:windows": [],
+        "@bazel_tools//src/conditions:freebsd": [
+            "-pthread",
+            "-ldl",
+            "-lm",
+            "-Wl,--warn-unresolved-symbols",
+        ],
         "//conditions:default": [
             "-pthread",
             "-ldl",