From https://github.com/AcademySoftwareFoundation/openexr/commit/c5763cfdf59ef4880dacdb11664782822a0976cd
From: Cary Phillips <cary@ilm.com>
Date: Sun, 31 Jul 2022 13:36:03 -0700
Subject: [PATCH 1/4] Add missing #include <cstdint> required by gcc-13 (#1264)

Originally submitted as #1262, thanks.

Signed-off-by: Cary Phillips <cary@ilm.com>

Adapted changes in exrcheck/main.cpp for 3.1.5 code base on Gentoo (different
ordering of #included header files compared to current HEAD).
--- a/src/bin/exrcheck/main.cpp
+++ b/src/bin/exrcheck/main.cpp
@@ -4,6 +4,7 @@
 #include <ImfCheckFile.h>
 #include <ImathConfig.h>
 
+#include <cstdint>
 #include <iostream>
 #include <fstream>
 #include <string.h>
--- a/src/lib/OpenEXR/ImfDeepTiledInputFile.h
+++ b/src/lib/OpenEXR/ImfDeepTiledInputFile.h
@@ -19,6 +19,7 @@
 
 #include "ImfTileDescription.h"
 
+#include <cstdint>
 #include <ImathBox.h>
 
 OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
--- a/src/lib/OpenEXR/ImfDeepTiledInputPart.h
+++ b/src/lib/OpenEXR/ImfDeepTiledInputPart.h
@@ -10,6 +10,7 @@
 
 #include "ImfTileDescription.h"
 
+#include <cstdint>
 #include <ImathBox.h>
 
 OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
-- 
2.37.3