Fixes cpp-netlib#264

Address compiler warning in is_udp.hpp, make sure -Wall is added to all targets when being built.

Author: deanberris

CMakeLists.txt

@@ -21,6 +21,10 @@ if (OPENSSL_FOUND)
     include_directories(${OPENSSL_INCLUDE_DIR})
 endif()
 
+if (${CMAKE_CXX_COMPILER_ID} MATCHES GNU)
+  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
+endif()
+
 if (Boost_FOUND)
     if (MSVC)
       add_definitions(-D_SCL_SECURE_NO_WARNINGS)

boost/network/support/is_udp.hpp

@@ -24,4 +24,5 @@ namespace boost { namespace network {
 
 } // namespace boost
 
-#endif // BOOST_NETWORK_SUPPORT_IS_UDP_HPP_20100622
+#endif // BOOST_NETWORK_SUPPORT_IS_UDP_HPP_20100622
+