Fix compilation for g++ 4.5

CMakeLists.txt

@@ -105,7 +105,9 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 	if(NOT CONFIGURED)
 
 		if(ENABLE_STRICT_COMPILATION)
-			set(STRICT_FLAGS "-Werror -Wno-unused-parameter")
+			# The current networking code breaks strict aliasing in g++ 4.5.
+			# Once the code is converted to boost::asio it might be reenabled.
+			set(STRICT_FLAGS "-Werror -Wno-unused-parameter -Wno-strict-aliasing")
 		else(ENABLE_STRICT_COMPILATION)
 			set(STRICT_FLAGS "")
 		endif(ENABLE_STRICT_COMPILATION)

SConstruct

@@ -371,7 +371,9 @@ for env in [test_env, client_env, env]:
     if "gcc" in env["TOOLS"]:
         env.AppendUnique(CCFLAGS = Split("-W -Wall"), CFLAGS = ["-std=c99"], CXXFLAGS="-std=c++98")
         if env['strict']:
-            env.AppendUnique(CCFLAGS = Split("-Werror -Wno-unused-parameter"))
+            # The current networking code breaks strict aliasing in g++ 4.5.
+            # Once the code is converted to boost::asio it might be reenabled.
+            env.AppendUnique(CCFLAGS = Split("-Werror -Wno-unused-parameter -Wno-strict-aliasing"))
 
         env["OPT_FLAGS"] = "-O2"
         env["DEBUG_FLAGS"] = Split("-O0 -DDEBUG -ggdb3")

changelog

@@ -64,6 +64,7 @@ Version 1.9.0-svn:
    * Fixed a bug in scoring of AI recall list. Patch by billynux.
    * Strip whitespace characters from .ign patterns (bug #15902)
    * Fixed tab completion not working in the new lobby (bug #14730)
+   * Fixed compilation for g++ 4.5
  * Terrain animation related
    * animated terrain animations are not synchronized anymore
    * reworked macros to handle animations

configure.ac

@@ -107,7 +107,10 @@ if test "x$strict" = "xyes"
 then
 #   Strict compilation for C files is disabled until somebody wants to clean them.
 #	CFLAGS="-Werror -Wno-unused -Wno-sign-compare $CFLAGS"
-	CXXFLAGS="-Werror -Wno-unused-parameter $CXXFLAGS"
+
+	# The current networking code breaks strict aliasing in g++ 4.5.
+	# Once the code is converted to boost::asio it might be reenabled.
+	CXXFLAGS="-Werror -Wno-unused-parameter -Wno-strict-aliasing $CXXFLAGS"
 fi
 
 # Make tests default in svn version