Source: https://gitlab.archlinux.org/archlinux/packaging/packages/alure/-/blob/main/dumb-2.patch

diff -Naur a/src/codec_dumb.cpp b/src/codec_dumb.cpp
--- a/src/codec_dumb.cpp	2011-07-29 09:37:48.000000000 +0100
+++ b/src/codec_dumb.cpp	2020-05-10 15:59:48.502632496 +0100
@@ -272,7 +272,11 @@
 
 private:
     // DUMBFILE iostream callbacks
+#if DUMB_VERSION >= 2*10000
+    static int skip(void *user_data, dumb_off_t offset)
+#else
     static int skip(void *user_data, long offset)
+#endif
     {
         std::istream *stream = static_cast<dumbStream*>(user_data)->fstream;
         stream->clear();
@@ -282,7 +286,11 @@
         return -1;
     }
 
+#if DUMB_VERSION >= 2*10000
+    static dumb_ssize_t read(char *ptr, size_t size, void *user_data)
+#else
     static long read(char *ptr, long size, void *user_data)
+#endif
     {
         std::istream *stream = static_cast<dumbStream*>(user_data)->fstream;
         stream->clear();

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<tr><td><span title='2022-08-28 23:37:28 +0200'>2022-08-28</span></td><td><a href='/guix/commit/tests/boot-parameters.scm?id=3294fa2ba451c7d5ef42a5d9fac780877f364bc7'>tests: Add test for menu-entry roundtrips as sexps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/boot-parameters.scm (%uuid-menu-entry,
%file-system-label-menu-entry): New variables.
("menu-entry roundtrip, uuid", "menu-entry roundtrip,
file-system-label"): New tests.

Signed-off-by: Marius Bakke &lt;marius@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>