From 7a18e2669a733ebe3544e4f5c735fd4d2ded5fa3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder@redhat.com>
Date: Thu, 10 Dec 2020 14:02:44 +0100
Subject: [PATCH] Add some missing <limits> includes

Otherwise, the builds fails with either gcc11 or recent clang.
---
 gdal/ogr/ogrsf_frmts/cad/libopencad/cadobjects.cpp | 1 +
 gdal/ogr/ogrsf_frmts/cad/libopencad/dwg/r2000.cpp  | 1 +
 gdal/third_party/LercLib/Lerc2.h                   | 1 +
 3 files changed, 3 insertions(+)

diff --git a/gdal/ogr/ogrsf_frmts/cad/libopencad/cadobjects.cpp b/gdal/ogr/ogrsf_frmts/cad/libopencad/cadobjects.cpp
index f59f7d50e2f5..edff5100e1f4 100644
--- a/gdal/ogr/ogrsf_frmts/cad/libopencad/cadobjects.cpp
+++ b/gdal/ogr/ogrsf_frmts/cad/libopencad/cadobjects.cpp
@@ -31,6 +31,7 @@
 
 #include "cadobjects.h"
 
+#include <limits>
 #include <math.h>
 #include <algorithm>
 
diff --git a/gdal/ogr/ogrsf_frmts/cad/libopencad/dwg/r2000.cpp b/gdal/ogr/ogrsf_frmts/cad/libopencad/dwg/r2000.cpp
index 83951fd7e7fc..6ae837da6467 100644
--- a/gdal/ogr/ogrsf_frmts/cad/libopencad/dwg/r2000.cpp
+++ b/gdal/ogr/ogrsf_frmts/cad/libopencad/dwg/r2000.cpp
@@ -36,6 +36,7 @@
 #include <cassert>
 #include <cstring>
 #include <iostream>
+#include <limits>
 #include <memory>
 #include <string>
 
diff --git a/gdal/third_party/LercLib/Lerc2.h b/gdal/third_party/LercLib/Lerc2.h
index feec95529c83..564f928ee672 100644
--- a/gdal/third_party/LercLib/Lerc2.h
+++ b/gdal/third_party/LercLib/Lerc2.h
@@ -27,6 +27,7 @@ Contributors:  Thomas Maurer
 #include <algorithm>
 #include <cfloat>
 #include <cmath>
+#include <limits>
 #include <string>
 #include <typeinfo>
 #include "Defines.h"