[libtorrent] Building libtorrent with Mingw 3.4.5 under vista

[Rohan D. <roh...@gm...>]

Hello All,

I just managed to build, after some trouble, (I'm also a n00b in the
unix programming environment) libtorrent with
1. MinGW 3.4.5
2. Vista Home Premium Edition
3. boost_1_34_1

I am not sure if my libtorrent library is valid (yet to program and test ;-))

After following the directions at
http://www.rasterbar.com/products/libtorrent/building.html section
Step 2: Setup BBv2

i ran under cmd.exe   bjam --toolset=gcc link=static

and the output was
***********************************************************************************
syntax error at EOF
BOOST_ROOT = c:\boost_1_34_1
OS = NT
Building Boost.Regex with the optional Unicode/ICU support disabled.
Please refer to the Boost.Regex documentation for more information
(don't panic: this is a strictly optional feature).
...patience...
...found 1451 targets...
...updating 51 targets...
gcc.compile.c++
bin\gcc-mingw-3.4.5\debug\dht-support-on\link-static\logging-none\threading-multi\closest_nodes.o
In file included from include/libtorrent/asio/detail/socket_types.hpp:76,
                 from include/libtorrent/asio/error.hpp:26,
                 from include/libtorrent/asio/error_code.hpp:135,
                 from include/libtorrent/asio/io_service.hpp:28,
                 from include/libtorrent/asio/basic_io_object.hpp:20,
                 from include/libtorrent/asio/basic_socket_acceptor.hpp:20,
                 from include/libtorrent/asio/ip/tcp.hpp:20,
                 from include/libtorrent/socket.hpp:48,
                 from include/libtorrent/kademlia/node_entry.hpp:37,
                 from include/libtorrent/kademlia/routing_table.hpp:51,
                 from include/libtorrent/kademlia/traversal_algorithm.hpp:40,
                 from include/libtorrent/kademlia/closest_nodes.hpp:38,
                 from src\kademlia\closest_nodes.cpp:33:
/mingw/include/ws2tcpip.h:16:2: #error "ws2tcpip.h is not compatible
with winsock.h. Include winsock2.h instead."
In file included from include/libtorrent/asio/detail/socket_types.hpp:76,
                 from include/libtorrent/asio/error.hpp:26,
                 from include/libtorrent/asio/error_code.hpp:135,
                 from include/libtorrent/asio/io_service.hpp:28,
                 from include/libtorrent/asio/basic_io_object.hpp:20,
                 from include/libtorrent/asio/basic_socket_acceptor.hpp:20,
                 from include/libtorrent/asio/ip/tcp.hpp:20,
                 from include/libtorrent/socket.hpp:48,
                 from include/libtorrent/kademlia/node_entry.hpp:37,
                 from include/libtorrent/kademlia/routing_table.hpp:51,
                 from include/libtorrent/kademlia/traversal_algorithm.hpp:40,
                 from include/libtorrent/kademlia/closest_nodes.hpp:38,
                 from src\kademlia\closest_nodes.cpp:33:
/mingw/include/ws2tcpip.h:124: error: redefinition of `struct ip_mreq'
/mingw/include/winsock.h:278: error: previous definition of `struct ip_mreq'
...
...
the list goes on...
***********************************************************************************


***Solution***
>From the jamfile, i noticed
	<toolset>msvc:<define>WIN32
# without WIN32_LEAN_AND_MEAN there will be conflicts between
# winsock.h and winsock2.h
	<toolset>msvc:<define>WIN32_LEAN_AND_MEAN

i learnt i thought maybe I having some missing defines

so i changed the jamfile to basically by default define as a hack
(since im running it under windows anyway)
	<define>WIN32
	<define>WIN32_LEAN_AND_MEAN

This successfully builds me a libtorrent  library.
I wonder why the defines were coupled to the toolset as opposed to the
os? (Maybe its an exception under cygwin?)

-gehaml1465-
P.N. I'm really a complete n00b in most of the non_m$ technologies. so
let me know if i make any glaring mistakes. ;-)