From a626d16fe7661b747a100d66fe41cfc9b071492c Mon Sep 17 00:00:00 2001
From: Janneke Nieuwenhuizen <janneke@gnu.org>
Date: Thu, 2 Jan 2025 14:40:13 +0100
Subject: [PATCH] gnu: chmlib: Fix build with gcc-14.

* gnu/packages/ebook.scm (chmlib)[arguments]: New field to relax gcc-14's strictness.

Change-Id: Ia2fb349d9aeda92d7753c5b1ac98dd85869a2f70
---
 gnu/packages/ebook.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/packages/ebook.scm b/gnu/packages/ebook.scm
index 0cd2b31724..d7641f923a 100644
--- a/gnu/packages/ebook.scm
+++ b/gnu/packages/ebook.scm
@@ -12,6 +12,7 @@
 ;;; Copyright © 2021 Petr Hodina <phodina@protonmail.com>
 ;;; Copyright © 2021 Mathieu Laparie <mlaparie@disr.it>
 ;;; Copyright © 2024 jgart <jgart@dismail.de>
+;;; Copyright © 2025 Janneke Nieuwenhuizen <janneke@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -99,6 +100,10 @@ (define-public chmlib
                 "18zzb4x3z0d7fjh1x5439bs62dmgsi4c1pg3qyr7h5gp1i5xcj9l"))
              (patches (search-patches "chmlib-inttypes.patch"))))
     (build-system gnu-build-system)
+    (arguments
+     (list
+      #:configure-flags
+      #~(list "CFLAGS=-Wno-error=implicit-function-declaration")))
     (home-page "http://www.jedrea.com/chmlib/")
     (synopsis "Library for CHM files")
     (description "CHMLIB is a library for dealing with ITSS/CHM format files.")