https://bugs.gentoo.org/895420
https://github.com/4ti2/4ti2/commit/c024db44f43593fbfe9d8d51f035db7a605d1fa6

From c024db44f43593fbfe9d8d51f035db7a605d1fa6 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@inai.de>
Date: Tue, 28 Mar 2023 00:33:03 +0200
Subject: [PATCH] build: resolve missing includes showing on gcc-13

../../src/zsolve/VectorArrayAPI.hpp: In function 'void _4ti2_zsolve_::convert(const T1&, T2&) [with T1 = long int; T2 = int]':
../../src/zsolve/VectorArrayAPI.hpp:79:14: error: 'INT32_MIN' was not declared in this scope; did you mean 'INT_MIN'?
--- a/src/zsolve/VectorArrayAPI.hpp
+++ b/src/zsolve/VectorArrayAPI.hpp
@@ -27,6 +27,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #include "zsolve/VectorArray.hpp"
 #include "zsolve/Exception.h"
 #include <fstream>
+#include <cstdint>
 #include <cstdlib>
 
 namespace _4ti2_zsolve_ {