diff --git a/libtorrent/include/libtorrent/hasher.hpp b/libtorrent/include/libtorrent/hasher.hpp
index 990cbefd8..44faa6cf5 100755
--- a/libtorrent/include/libtorrent/hasher.hpp
+++ b/libtorrent/include/libtorrent/hasher.hpp
@@ -40,10 +40,25 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/config.hpp"
 #include "zlib.h"
 
+#ifdef TORRENT_USE_OPENSSL
 extern "C"
 {
 #include <openssl/sha.h>
 }
+#else
+// from sha1.cpp
+struct TORRENT_EXPORT SHA_CTX
+{
+	boost::uint32_t state[5];
+	boost::uint32_t count[2];
+	boost::uint8_t buffer[64];
+};
+
+TORRENT_EXPORT void SHA1_Init(SHA_CTX* context);
+TORRENT_EXPORT void SHA1_Update(SHA_CTX* context, boost::uint8_t const* data, boost::uint32_t len);
+TORRENT_EXPORT void SHA1_Final(boost::uint8_t* digest, SHA_CTX* context);
+
+#endif
 
 namespace libtorrent
 {
@@ -105,3 +120,4 @@ namespace libtorrent
 
 #endif // TORRENT_HASHER_HPP_INCLUDED
 
+
diff --git a/setup.py b/setup.py
index 03e896e9a..a6b5179b7 100644
--- a/setup.py
+++ b/setup.py
@@ -96,7 +96,10 @@ python_version = platform.python_version()[0:3]
 #	it has been removed to prevent confusion.
 
 if not OS == "win":
-	EXTRA_COMPILE_ARGS = ["-Wno-missing-braces"]
+	EXTRA_COMPILE_ARGS = ["-Wno-missing-braces", "-DHAVE_INCLUDE_LIBTORRENT_ASIO____ASIO_HPP=1", 
+				"-DHAVE_INCLUDE_LIBTORRENT_ASIO_SSL_STREAM_HPP=1", 
+				"-DHAVE_INCLUDE_LIBTORRENT_ASIO_IP_TCP_HPP=1", 
+				"-DHAVE_PTHREAD=1", "-DTORRENT_USE_OPENSSL=1", "-DHAVE_SSL=1"]
 	if ARCH == "x64":
 		EXTRA_COMPILE_ARGS.append("-DAMD64")
 
@@ -113,7 +116,7 @@ if not OS == "win":
 		boosttype = 'nomt'
 	else:
 		boosttype = 'mt'
-	removals = ['-g', '-DNDEBUG', '-O2', '-Wstrict-prototypes']
+	removals = ['-g', '-Wstrict-prototypes']
         additions = ['-DNDEBUG', '-O2']
 
 	if python_version == '2.5':