Fix 2.2.0 breaking c++ code build with -std=c++03 (#2053052, #2053073)

glew-2.2.0-gcc12-cplusplus.patch

@@ -0,0 +1,13 @@
+diff -up glew-2.2.0/include/GL/glew.h~ glew-2.2.0/include/GL/glew.h
+--- glew-2.2.0/include/GL/glew.h~	2020-03-15 12:53:59.000000000 +0100
++++ glew-2.2.0/include/GL/glew.h	2022-02-22 23:17:58.889834158 +0100
+@@ -220,7 +220,8 @@ typedef _W64 int ptrdiff_t;
+  */
+ 
+ #if defined(__APPLE__) || defined(__linux__)
+-#  if defined(__cplusplus)
++/* GCC12 errors out when including <cstdint> with __cplusplus < 201103L */
++#  if defined(__cplusplus) && __cplusplus >= 201103L
+ #    include <cstddef>
+ #    include <cstdint>
+ #  else

glew.spec

@@ -1,15 +1,16 @@
 Name:           glew
 Version:        2.2.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        The OpenGL Extension Wrangler Library
 License:        BSD and MIT
 URL:            https://github.com/nigels-com/glew
 
 Source0:        https://github.com/nigels-com/glew/releases/download/glew-%{version}/glew-%{version}.tgz
 Patch0:         glew-2.1.0-install.patch
+Patch1:         glew-2.2.0-gcc12-cplusplus.patch
 BuildRequires:  gcc
 BuildRequires:  libGLU-devel
-BuildRequires: make
+BuildRequires:  make
 
 %description
 The OpenGL Extension Wrangler Library (GLEW) is a cross-platform C/C++
@@ -76,6 +77,9 @@ chmod 0755 $RPM_BUILD_ROOT%{_libdir}/*.so*
 %doc doc/*
 
 %changelog
+* Tue Feb 22 2022 Hans de Goede <hdegoede@redhat.com> - 2.2.0-2
+- Fix 2.2.0 breaking c++ code build with -std=c++03 (#2053052, #2053073)
+
 * Wed Feb 09 2022 Orion Poplawski <orion@nwra.com> - 2.2.0-1
 - Update to 2.2.0 (bz#2049077)