From 0c28553113176cc498b622c5fc831c4b6ae844a0 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Sun, 9 Nov 2025 21:36:03 +0100
Subject: [PATCH] gnu: nyacc: Restore build of FFI helper.

* gnu/packages/mes.scm (nyacc)[source]: Patch Makefile.
[propagated-inputs]: Add guile-bytestructures.

Change-Id: Ie68a367c0f92df9165538919bd97a845c78b5c80
---
 gnu/packages/mes.scm | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/gnu/packages/mes.scm b/gnu/packages/mes.scm
index b5b368f89f02930417c770aef264da3656815d51..f78ded87f689dfcb61dc56935c5e62348fba4e67 100644
--- a/gnu/packages/mes.scm
+++ b/gnu/packages/mes.scm
@@ -121,10 +121,14 @@ parsers to allow execution with Guile as extension languages.")
                 "0wyrq9sc9j0yp34iwzsjfpz40503psbvd982vy8kx8ym99rn5w7r"))
               (modules '((guix build utils)))
               (snippet
-               '(substitute* "configure"
-                  (("GUILE_GLOBAL_SITE=\\$prefix.*")
-                   "GUILE_GLOBAL_SITE=\
-$prefix/share/guile/site/$GUILE_EFFECTIVE_VERSION\n")))))))
+               '(begin
+                  (substitute* "configure"
+                    (("GUILE_GLOBAL_SITE=\\$prefix.*")
+                     "GUILE_GLOBAL_SITE=\
+$prefix/share/guile/site/$GUILE_EFFECTIVE_VERSION\n"))
+                  (substitute* "module/Makefile.in"
+                    (("@NYACC_FH_BS_BINS@") "$(NYACC_FH_BS_BINS)"))))))
+    (propagated-inputs (list guile-bytestructures))))
 
 (define-public mes
   (package