From c1539e1385e2287c5f6eb0a69efdb1d539fe15f5 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Fri, 11 Feb 2022 11:18:59 +0100
Subject: gnu: autogen: Fix compilation.

* gnu/packages/autogen.scm (autogen)[source]: Add 'modules' and
'snippet'.
---
 gnu/packages/autogen.scm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'gnu/packages/autogen.scm')

diff --git a/gnu/packages/autogen.scm b/gnu/packages/autogen.scm
index 1fe742bbae..7213776f07 100644
--- a/gnu/packages/autogen.scm
+++ b/gnu/packages/autogen.scm
@@ -40,7 +40,13 @@
        (uri (string-append "mirror://gnu/autogen/rel" version
                            "/autogen-" version ".tar.xz"))
        (sha256
-        (base32 "16mlbdys8q4ckxlvxyhwkdnh1ay9f6g0cyp1kylkpalgnik398gq"))))
+        (base32 "16mlbdys8q4ckxlvxyhwkdnh1ay9f6g0cyp1kylkpalgnik398gq"))
+       (modules '((guix build utils)))
+       (snippet
+        ;; Address '-Werror=format-overflow' error.
+        '(substitute* "getdefs/getdefs.c"
+           (("def_bf\\[[[:space:]]*MAXNAMELEN[[:space:]]*\\]")
+            "def_bf[MAXNAMELEN + 10]")))))
     (build-system gnu-build-system)
     (native-inputs (list pkg-config which))
     (inputs (list guile-2.2 perl))          ; for doc generator mdoc
-- 
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