From e422aad214a6f90162c52569ac318df852149525 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Thu, 22 Jan 2026 16:48:32 +0100
Subject: [PATCH] gnu: ttf2pt1: Fix compilation with glibc 2.41.
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* gnu/packages/fontutils.scm (ttf2pt1)[source]: Patch ‘t1asm.c’.

Change-Id: I2e91a15177d349dcf64aea571debc4ce6bf0e996
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Signed-off-by: Rutherther <rutherther@ditigal.xyz>
---
 gnu/packages/fontutils.scm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/fontutils.scm b/gnu/packages/fontutils.scm
index 9ae66917353acd375966cad8b5327996f94c57a6..d6743c26fca711459c9077fb35a7b618b9f03609 100644
--- a/gnu/packages/fontutils.scm
+++ b/gnu/packages/fontutils.scm
@@ -8,7 +8,7 @@
 ;;; Copyright © 2017 Nikita <nikita@n0.is>
 ;;; Copyright © 2017, 2018, 2020–2022 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018, 2024 Ricardo Wurmus <rekado@elephly.net>
-;;; Copyright © 2018, 2019, 2020, 2021, 2023 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2018-2021, 2023, 2026 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2019, 2020, 2022 Marius Bakke <marius@gnu.org>
 ;;; Copyright © 2020 Roel Janssen <roel@gnu.org>
 ;;; Copyright © 2020, 2021, 2024 Nicolas Goaziou <mail@nicolasgoaziou.fr>
@@ -1317,6 +1317,12 @@ TTF (TrueType/OpenType Font) files.")
               (modules '((guix build utils)))
               (snippet
                '(begin
+                  ;; Include <unistd.h> for the 'getopt' declaration.
+                  (substitute* "t1asm.c"
+                    (("#include <stdio.h>" all)
+                     (string-append all "\n"
+                                    "#include <unistd.h>\n")))
+
                   ;; Remove trailing backslashes in the sed expression of the
                   ;; 'install' rule since sed would otherwise fail.
                   (substitute* "Makefile"