don't depend on or define UNICODE and _UNICODE on windows

CMakeLists.txt

@@ -173,7 +173,6 @@ option(static_runtime "build libtorrent with static runtime" OFF)
 option(pool-allocators "Uses a pool allocator for disk and piece buffers" ON)
 option(encryption "link against openssl and enable encryption" ON)
 option(dht "enable support for Mainline DHT" ON)
-option(unicode "enable unicode support" ON)
 option(deprecated-functions "enable deprecated functions for backwards compatibility" ON)
 option(disk-stats "enable disk activity logging feature" OFF)
 option(exceptions "build with exception support" ON)
@@ -321,10 +320,6 @@ if (NOT pool-allocators)
 	add_definitions(-DTORRENT_DISABLE_POOL_ALLOCATOR)
 endif()
 
-if (unicode)
-	add_definitions(-DUNICODE -D_UNICODE)
-endif()
-
 if (NOT deprecated-functions)
 	add_definitions(-DTORRENT_NO_DEPRECATE)
 endif()

Jamfile

@@ -748,8 +748,6 @@ lib torrent
 	<link>shared:<define>TORRENT_BUILDING_SHARED
 	<define>BOOST_NO_DEPRECATED
 	<link>shared:<define>BOOST_SYSTEM_SOURCE
-	<target-os>windows:<define>UNICODE
-	<target-os>windows:<define>_UNICODE
 
 	<dht>on:<source>src/kademlia/$(KADEMLIA_SOURCES).cpp
 	<dht>on:<source>ed25519/src/$(ED25519_SOURCES).cpp

examples/cmake/FindLibtorrentRasterbar.cmake

@@ -36,7 +36,7 @@ else()
             -DTORRENT_USE_OPENSSL
             -DTORRENT_DISABLE_GEO_IP
             -DBOOST_ASIO_ENABLE_CANCELIO
-            -DUNICODE -D_UNICODE -D_FILE_OFFSET_BITS=64)
+            -D_FILE_OFFSET_BITS=64)
     endif()
 
     if(NOT LibtorrentRasterbar_USE_STATIC_LIBS)