Janneke Nieuwenhuizen writes:

> * gnu/packages/patches/gnumach-version.patch: New file.
> * gnu/local.mk (dist_patch_DATA): Register it.
> * gnu/packages/hurd.scm (gnumach-headers): Update to v1.8+git20240714 and use
> it.

Err, this needs

--8<---------------cut here---------------start------------->8---
diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 682deb89cf..a000cbfdc5 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -2640,6 +2640,7 @@ (define gnumach-headers-boot0
      (source
       (origin
         (inherit (package-source gnumach-headers))
+        (patches '())
         (method
          (git-fetch-from-tarball
           (origin

--8<---------------cut here---------------end--------------->8---

in order for `guix build --system=x86_64-gnu' (checking bootstrap
hashes) not to hang.

Oops, caused by a last minute adding of "nice cosmetic" version number
patch from Debian.

Janneke