Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/liborcus.git#9edccf79665d1f2336130958a65693967f21962a

liborcus-gcc11.patch

@@ -0,0 +1,36 @@
+diff --git a/src/liborcus/orcus_xlsx.cpp b/src/liborcus/orcus_xlsx.cpp
+index d9e16ef..604b0f8 100644
+--- a/src/liborcus/orcus_xlsx.cpp
++++ b/src/liborcus/orcus_xlsx.cpp
+@@ -30,6 +30,7 @@
+ #include "ooxml_global.hpp"
+ #include "spreadsheet_iface_util.hpp"
+ 
++#include <limits>
+ #include <cstdlib>
+ #include <iostream>
+ #include <string>
+diff --git a/src/liborcus/xls_xml_context.cpp b/src/liborcus/xls_xml_context.cpp
+index 3ca72e5..7504b4c 100644
+--- a/src/liborcus/xls_xml_context.cpp
++++ b/src/liborcus/xls_xml_context.cpp
+@@ -16,6 +16,7 @@
+ #include <mdds/sorted_string_map.hpp>
+ 
+ #include <iostream>
++#include <limits>
+ 
+ using namespace std;
+ namespace ss = orcus::spreadsheet;
+diff --git a/src/liborcus/xlsx_revision_context.cpp b/src/liborcus/xlsx_revision_context.cpp
+index edfd9ee..0b6ec0a 100644
+--- a/src/liborcus/xlsx_revision_context.cpp
++++ b/src/liborcus/xlsx_revision_context.cpp
+@@ -16,6 +16,7 @@
+ #include "orcus/global.hpp"
+ 
+ #include <iostream>
++#include <limits>
+ 
+ using namespace std;
+ 

liborcus.spec

@@ -7,12 +7,13 @@
 
 Name: liborcus
 Version: 0.16.1
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: Standalone file import filter library for spreadsheet documents
 
 License: MPLv2.0
 URL: https://gitlab.com/orcus/orcus
 Source0: https://kohei.us/files/orcus/src/%{name}-%{version}.tar.xz
+Patch0:  %{name}-gcc11.patch
 
 BuildRequires: boost-devel
 BuildRequires: doxygen
@@ -186,6 +187,9 @@ make check %{?_smp_mflags}
 %doc doc/_doxygen/html
 
 %changelog
+* Mon Oct 19 2020 Jeff Law <law@redhat.com> - 0.16.1-2
+- Fix missing headers for gcc-11
+
 * Tue Sep 29 2020 Caolán McNamara <caolanm@redhat.com> - 0.16.1-1
 - latest release