Trying automagic version stuff

common/version.c

@@ -0,0 +1,10 @@
+#define VERSION "$Id $"
+static const struct __attribute__((packed)) {
+    const char string[48];
+    unsigned int length;
+    unsigned int magic;
+} version __attribute__((unused,section("versioninformation"))) = {
+    VERSION,
+    sizeof(VERSION),
+    0x48151623,
+};