https://bugs.gentoo.org/920309
https://src.fedoraproject.org/rpms/perl-Tk/blob/rawhide/f/perl-Tk-pregcomp2.c-Avoid-using-incompatible-pointer-type.patch

From 5c646b1cc55e18648918f101961afd1589a58168 Mon Sep 17 00:00:00 2001
From: Christopher Chavez <chrischavez@gmx.us>
Date: Mon, 19 Feb 2024 13:50:44 -0600
Subject: [PATCH] pregcomp2.c: Avoid using incompatible pointer type

See https://github.com/eserte/perl-tk/issues/98#issuecomment-1948125587
--- a/config/pregcomp2.c
+++ b/config/pregcomp2.c
@@ -4,5 +4,5 @@
 
 int main() {
     SV* sv = newSViv(0);
-    regexp* rx = pregcomp(sv, 0);
+    void* rx = pregcomp(sv, 0);
 }
-- 
2.43.0