Add patch for missing limits header

abseil-cpp-20200923.2.gcc11.patch

@@ -0,0 +1,11 @@
+diff -up ./absl/synchronization/internal/graphcycles.cc.gcc11 ./absl/synchronization/internal/graphcycles.cc
+--- ./absl/synchronization/internal/graphcycles.cc.gcc11	2020-12-19 11:39:31.244272590 -0500
++++ ./absl/synchronization/internal/graphcycles.cc	2020-12-19 11:39:53.069335816 -0500
+@@ -37,6 +37,7 @@
+ 
+ #include <algorithm>
+ #include <array>
++#include <limits>
+ #include "absl/base/internal/hide_ptr.h"
+ #include "absl/base/internal/raw_logging.h"
+ #include "absl/base/internal/spinlock.h"

abseil-cpp.spec

@@ -10,6 +10,9 @@ License:        ASL 2.0
 URL:            https://abseil.io
 Source0:        https://github.com/abseil/abseil-cpp/archive/%{version}/%{name}-%{version}.tar.gz
 
+# Explicitly include <limits> for std::numeric_limits
+Patch0:         %{name}-20200923.2.gcc11.patch
+
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
 
@@ -36,7 +39,7 @@ Requires: %{name}%{?_isa} = %{version}-%{release}
 Development headers for %{name}
 
 %prep
-%autosetup
+%autosetup -p1
 
 
 %build