diff --git a/devel/bazel/files/patch-tools_cpp_bsd__cc__toolchain__config.bzl b/devel/bazel/files/patch-tools_cpp_bsd__cc__toolchain__config.bzl
new file mode 100644
index 000000000000..53363a445274
--- /dev/null
+++ b/devel/bazel/files/patch-tools_cpp_bsd__cc__toolchain__config.bzl
@@ -0,0 +1,12 @@
+- fix build with recent clang
+
+--- tools/cpp/bsd_cc_toolchain_config.bzl.orig	2025-04-03 02:45:24 UTC
++++ tools/cpp/bsd_cc_toolchain_config.bzl
+@@ -108,6 +108,7 @@ def _impl(ctx):
+                         flags = [
+                             "-no-canonical-prefixes",
+                             "-Wno-builtin-macro-redefined",
++                            "-Wno-gnu-offsetof-extensions",
+                             "-D__DATE__=\"redacted\"",
+                             "-D__TIMESTAMP__=\"redacted\"",
+                             "-D__TIME__=\"redacted\"",