No longer force C++11 mode

pugixml.spec

@@ -2,7 +2,7 @@
 
 Name:           pugixml
 Version:        1.10
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        A light-weight C++ XML processing library
 License:        MIT
 URL:            http://pugixml.org
@@ -46,7 +46,6 @@ cp %{SOURCE1} .
 
 
 %build
-export CXXFLAGS='%{optflags} -std=c++11'
 %cmake
 %cmake_build
 
@@ -74,6 +73,9 @@ export CXXFLAGS='%{optflags} -std=c++11'
 
 
 %changelog
+* Wed Aug 26 2020 Jeff Law <lwa@redhat.com> - 1.10-5
+- No longer force C++11 mode
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.10-4
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild