Buildsystem: Add initial support for Intel C++ Compiler (patch by Leak)

Note: Intel C++ Compiler for Windows is not supported in this change
Closes issue 4361

--HG--
branch : trunk

cmake/compiler/icc/settings.cmake

@@ -0,0 +1,24 @@
+# Set build-directive (used in core to tell which buildtype we used)
+add_definitions(-D_BUILD_DIRECTIVE="${CMAKE_BUILD_TYPE}")
+
+if( USE_SFMT)
+  if(PLATFORM EQUAL 32)
+    add_definitions(-axSSE2)
+  else()
+    add_definitions(-xSSE2)
+  endif()
+  message(STATUS "ICC: SFMT enabled, SSE2 flags forced")
+endif()
+
+if( WITH_WARNINGS )
+  add_definitions(-w1)
+  message(STATUS "ICC All warnings enabled")
+else()
+  add_definitions(-w)
+  message(STATUS "ICC: All warnings disabled")
+endif()
+
+if( WITH_COREDEBUG )
+  add_definitions(-g)
+  message(STATUS "ICC: Debug-flag set (-g)")
+endif()

cmake/platform/unix/settings.cmake

@@ -24,4 +24,8 @@ add_custom_target(uninstall
 )
 message(STATUS "UNIX: Created uninstall target")
 
+if(CMAKE_C_COMPILER MATCHES "gcc")
   include(${CMAKE_SOURCE_DIR}/cmake/compiler/gcc/settings.cmake)
+elseif(CMAKE_C_COMPILER MATCHES "icc")
+  include(${CMAKE_SOURCE_DIR}/cmake/compiler/icc/settings.cmake)
+endif()

src/server/shared/Dynamic/UnorderedMap.h

@@ -42,12 +42,9 @@ using std::hash_map;
 #elif COMPILER == COMPILER_MICROSOFT && _MSC_VER >= 1300
 #define UNORDERED_MAP stdext::hash_map
 using stdext::hash_map;
-#elif COMPILER == COMPILER_INTEL
-#define UNORDERED_MAP std::hash_map
-using std::hash_map;
 #elif COMPILER == COMPILER_GNU && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 3)
 #define UNORDERED_MAP std::tr1::unordered_map
-#elif COMPILER == COMPILER_GNU && __GNUC__ >= 3
+#elif (COMPILER == COMPILER_GNU && __GNUC__ >= 3) || COMPILER == COMPILER_INTEL
 #define UNORDERED_MAP __gnu_cxx::hash_map
 
 namespace __gnu_cxx