cross compiling fixes

Jamfile

@@ -56,7 +56,7 @@ rule linking ( properties * )
 		if <target-os>linux in $(properties)
 		{
 			# linker library on linux, required when using openssl
-#			result += <library>dl ;
+			result += <library>dl ;
 		}
 
 	}
@@ -356,7 +356,7 @@ lib gcrypt : : <name>gcrypt <link>shared <search>/opt/local/lib ;
 lib z : : <link>shared <name>z <search>/lib ;
 lib crypto : : <name>crypto <search>/lib <use>z ;
 lib ssl : : <name>ssl <link>shared <use>crypto ;
-lib dl : : <link>shared <name>/libdl.so <search>/lib ;
+lib dl : : <link>shared <name>dl ;
 
 # time functions used on linux require librt
 lib librt : : <name>rt <link>shared ;

include/libtorrent/bt_peer_connection.hpp

@@ -204,7 +204,7 @@ namespace libtorrent
 		void on_have_none(int received);
 		void on_reject_request(int received);
 		void on_allowed_fast(int received);
-#ifndef TORRENT_DISABLE_ENCRYPTION
+#ifndef TORRENT_DISABLE_EXTENSIONS
 		void on_holepunch();
 #endif
 

src/allocator.cpp

@@ -35,7 +35,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/assert.hpp"
 
 #ifdef TORRENT_WINDOWS
-#include <Windows.h>
+#include <windows.h>
 #elif defined TORRENT_BEOS
 #include <kernel/OS.h>
 #include <stdlib.h> // malloc/free

src/enum_net.cpp

@@ -107,7 +107,7 @@ namespace libtorrent { namespace
 
 	int sockaddr_len(sockaddr const* sin)
 	{
-#if defined TORRENT_WINDOWS || TORRENT_MINGW || defined TORRENT_LINUX
+#if defined TORRENT_WINDOWS || defined TORRENT_MINGW || defined TORRENT_LINUX
 		return sin->sa_family == AF_INET ? sizeof(sockaddr_in) : sizeof(sockaddr_in6);
 #else
 		return sin->sa_len;

src/file.cpp

@@ -98,7 +98,7 @@ static int my_fallocate(int fd, int mode, loff_t offset, loff_t len)
 #endif
 }
 
-#elif defined __APPLE__ && defined __MACH__
+#elif defined __APPLE__ && defined __MACH__ && MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
 // mac specifics
 
 #include <copyfile.h>