From 6d3e9d1bab80807e511df083d9aa277a08c7de5e Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Tue, 14 Jun 2022 01:25:52 +0200
Subject: [PATCH] MSVC 2015 compilation fixes

---
 ogr/ogrsf_frmts/generic/ograrrowarrayhelper.cpp | 2 +-
 ogr/ogrsf_frmts/generic/ograrrowarrayhelper.h   | 2 ++
 ogr/ogrsf_frmts/generic/ogrlayer.cpp            | 4 ++--
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/ogr/ogrsf_frmts/generic/ograrrowarrayhelper.cpp b/ogr/ogrsf_frmts/generic/ograrrowarrayhelper.cpp
index 75388089e8a7..3b13da6e2cf7 100644
--- a/ogr/ogrsf_frmts/generic/ograrrowarrayhelper.cpp
+++ b/ogr/ogrsf_frmts/generic/ograrrowarrayhelper.cpp
@@ -64,7 +64,7 @@ OGRArrowArrayHelper::OGRArrowArrayHelper(GDALDataset* poDS,
     for(int i = 0; i < nFieldCount; i++ )
     {
         const auto poFieldDefn = poFeatureDefn->GetFieldDefn(i);
-        abNullableFields[i] = poFieldDefn->IsNullable();
+        abNullableFields[i] = CPL_TO_BOOL(poFieldDefn->IsNullable());
         if( !poFieldDefn->IsIgnored() )
         {
             mapOGRFieldToArrowField[i] = nChildren;
diff --git a/ogr/ogrsf_frmts/generic/ograrrowarrayhelper.h b/ogr/ogrsf_frmts/generic/ograrrowarrayhelper.h
index d93eb0ef370b..af58cdbf6bf8 100644
--- a/ogr/ogrsf_frmts/generic/ograrrowarrayhelper.h
+++ b/ogr/ogrsf_frmts/generic/ograrrowarrayhelper.h
@@ -30,6 +30,8 @@
 
 //! @cond Doxygen_Suppress
 
+#include <algorithm>
+
 #include "cpl_time.h"
 
 #include "ogrsf_frmts.h"
diff --git a/ogr/ogrsf_frmts/generic/ogrlayer.cpp b/ogr/ogrsf_frmts/generic/ogrlayer.cpp
index 6848e32801e7..acf453a4ffbd 100644
--- a/ogr/ogrsf_frmts/generic/ogrlayer.cpp
+++ b/ogr/ogrsf_frmts/generic/ogrlayer.cpp
@@ -5480,7 +5480,7 @@ static bool FillWKBGeometryArray(struct ArrowArray* psChild,
                                  const OGRGeomFieldDefn* poFieldDefn,
                                  const int i)
 {
-    const bool bIsNullable = poFieldDefn->IsNullable();
+    const bool bIsNullable = CPL_TO_BOOL(poFieldDefn->IsNullable());
     psChild->n_buffers = 3;
     psChild->buffers = static_cast<const void**>(CPLCalloc(3, sizeof(void*)));
     uint8_t* pabyNull = nullptr;
@@ -5814,7 +5814,7 @@ int OGRLayer::GetNextArrowArray(struct ArrowArrayStream*,
         ++iSchemaChild;
         psChild->release = OGRLayerDefaultReleaseArray;
         psChild->length = apoFeatures.size();
-        const bool bIsNullable = poFieldDefn->IsNullable();
+        const bool bIsNullable = CPL_TO_BOOL(poFieldDefn->IsNullable());
         const auto eSubType = poFieldDefn->GetSubType();
         switch( poFieldDefn->GetType() )
         {