https://github.com/libimobiledevice/libplist/commit/b3cf5bec39de69bf06c7813689f03cbe58f45ca9

From b3cf5bec39de69bf06c7813689f03cbe58f45ca9 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Mon, 18 Dec 2023 11:14:40 +0100
Subject: [PATCH] configure: Use string for tm_zone assignment

This matches what the actual sources do.  Clang 16 and GCC 14
no longer support converting ints to pointers implicitly, so the
configure probe always fails with these compilers.
--- a/configure.ac
+++ b/configure.ac
@@ -129,7 +129,7 @@ AC_CACHE_CHECK(for tm_zone in struct tm, ac_cv_struct_tm_zone,
       #include <time.h>
     ], [
       struct tm tm;
-      tm.tm_zone = 1;
+      tm.tm_zone = (char*)"UTC";
     ])],
     [ac_cv_struct_tm_zone=yes],
     [ac_cv_struct_tm_zone=no]