From 72e3d1ca39a4a1afcb4bafee0ca58026ad7d400c Mon Sep 17 00:00:00 2001
From: Tamas Szekeres <szekerest@gmail.com>
Date: Sun, 22 Oct 2023 15:24:42 +0200
Subject: [PATCH] Fixed MSVC2017 builds (#8594)

---
 frmts/gtiff/geotiff.cpp               | 1 +
 frmts/hdf4/hdf4dataset.cpp            | 1 +
 frmts/hdf5/hdf5dataset.cpp            | 1 +
 ogr/ogrsf_frmts/gpkg/ogr_geopackage.h | 1 +
 4 files changed, 4 insertions(+)

diff --git a/frmts/gtiff/geotiff.cpp b/frmts/gtiff/geotiff.cpp
index 026cd3c5ae3b..4978a30d9d82 100644
--- a/frmts/gtiff/geotiff.cpp
+++ b/frmts/gtiff/geotiff.cpp
@@ -39,6 +39,7 @@
 #include "tiffio.h"
 #include "tif_jxl.h"
 #include "xtiffio.h"
+#include <cctype>
 
 // Needed to expose WEBP_LOSSLESS option
 #ifdef WEBP_SUPPORT
diff --git a/frmts/hdf4/hdf4dataset.cpp b/frmts/hdf4/hdf4dataset.cpp
index 3503e5925bb9..5b87e8a861a5 100644
--- a/frmts/hdf4/hdf4dataset.cpp
+++ b/frmts/hdf4/hdf4dataset.cpp
@@ -41,6 +41,7 @@
 
 #include "hdf4compat.h"
 #include "hdf4dataset.h"
+#include <cctype>
 
 extern const char *const pszGDALSignature;
 
diff --git a/frmts/hdf5/hdf5dataset.cpp b/frmts/hdf5/hdf5dataset.cpp
index cffdbe852f91..6562e02b90dc 100644
--- a/frmts/hdf5/hdf5dataset.cpp
+++ b/frmts/hdf5/hdf5dataset.cpp
@@ -39,6 +39,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <string>
+#include <cctype>
 
 #include "cpl_conv.h"
 #include "cpl_error.h"
diff --git a/ogr/ogrsf_frmts/gpkg/ogr_geopackage.h b/ogr/ogrsf_frmts/gpkg/ogr_geopackage.h
index d5b16392f209..fcd90e983430 100644
--- a/ogr/ogrsf_frmts/gpkg/ogr_geopackage.h
+++ b/ogr/ogrsf_frmts/gpkg/ogr_geopackage.h
@@ -45,6 +45,7 @@
 #include <vector>
 #include <set>
 #include <thread>
+#include <cctype>
 
 #define UNKNOWN_SRID -2
 #define DEFAULT_SRID 0