From c37acaaebe4692a1f7bf667a1f58db16da2cbe71 Mon Sep 17 00:00:00 2001
From: vxtls <187420201+vxtls@users.noreply.github.com>
Date: Mon, 2 Mar 2026 08:09:54 -0500
Subject: [PATCH] fix(gawk): patch mpfr callback prototype to match mpfr
 function signatures

---
 .../patches/fix-mpfr-func-pointer.patch           | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 steps-guix/gawk-4.2.1/patches/fix-mpfr-func-pointer.patch

diff --git a/steps-guix/gawk-4.2.1/patches/fix-mpfr-func-pointer.patch b/steps-guix/gawk-4.2.1/patches/fix-mpfr-func-pointer.patch
new file mode 100644
index 00000000..980f46f1
--- /dev/null
+++ b/steps-guix/gawk-4.2.1/patches/fix-mpfr-func-pointer.patch
@@ -0,0 +1,15 @@
+SPDX-License-Identifier: GPL-3.0-or-later
+
+Fix MPFR callback pointer prototype for modern compilers.
+
+--- gawk-4.2.1/mpfr.c
++++ gawk-4.2.1/mpfr.c
+@@ -689,7 +689,7 @@
+ 
+ static inline NODE *
+ do_mpfr_func(const char *name,
+-		int (*mpfr_func)(),	/* putting argument types just gets the compiler confused */
++		int (*mpfr_func)(mpfr_ptr, mpfr_srcptr, mpfr_rnd_t),
+ 		int nargs)
+ {
+ 	NODE *t1, *res;