Day 1. Assembly code is being generated, on a monkey see, monkey do basis;

but it doesn't link because of a missing library; and having moved source
files around the Makefile currently doesn't work.

src/c/version.h

@@ -0,0 +1,15 @@
+/**
+ *  version.h
+ *
+ *  Grendel: a compiling Beowulf reimplementation.
+ *
+ *  (c) 2026 Simon Brooke <simon@journeyman.cc>
+ *  Licensed under GPL version 2.0, or, at your option, any later version.
+ */
+
+#ifndef __grendel_version_h
+#define __grendel_version_h
+
+#define VERSIOM "Aelfhere"
+
+#ifndef