Fix compilation error on armv7hl

msgpack-1.3.0-arm-char.patch

@@ -0,0 +1,25 @@
+Index: msgpack-1.3.0/include/msgpack/adaptor/int.hpp
+===================================================================
+--- msgpack-1.3.0.orig/include/msgpack/adaptor/int.hpp
++++ msgpack-1.3.0/include/msgpack/adaptor/int.hpp
+@@ -70,13 +70,17 @@ namespace detail {
+     template <>
+     struct object_char_sign<true> {
+         static inline void make(msgpack::object& o, char v) {
+-            if (v < 0) {
++            // Since char is unsigned on ARM, the condition below
++            // always evaluates to true and causes error if
++            // -Werror=type-limits is enabled.
++            int v2 = v;
++            if (v2 < 0) {
+                 o.type = msgpack::type::NEGATIVE_INTEGER;
+-                o.via.i64 = v;
++                o.via.i64 = v2;
+             }
+             else {
+                 o.type = msgpack::type::POSITIVE_INTEGER;
+-                o.via.u64 = v;
++                o.via.u64 = v2;
+             }
+         }
+     };

msgpack.spec

@@ -8,6 +8,8 @@ License:	Boost
 URL:		http://msgpack.org
 Source0:	https://github.com/msgpack/msgpack-c/releases/download/cpp-%{version}/%{name}-%{version}.tar.gz
 
+Patch0:		msgpack-1.3.0-arm-char.patch
+
 # for regenerating configure
 BuildRequires:	libtool
 # for %%check
@@ -31,6 +33,7 @@ Libraries and header files for %{name}
 
 %prep
 %setup -q
+%patch0 -p1 -b .arm-char
 
 
 %build