premiere-libtorrent/Jamfile

# This Jamfile requires boost-build v2 to build.
# The version shipped with boost 1.34.0

import modules ;
import path ;
import os ;
import errors ;
import feature : feature ;
import package ;
import virtual-target ;

BOOST_ROOT = [ modules.peek : BOOST_ROOT ] ;
CXXFLAGS = [ modules.peek : CXXFLAGS ] ;
LDFLAGS = [ modules.peek : LDFLAGS ] ;

ECHO "BOOST_ROOT =" $(BOOST_ROOT) ;
ECHO "CXXFLAGS =" $(CXXFLAGS) ;
ECHO "LDFLAGS =" $(LDFLAGS) ;
ECHO "OS =" [ os.name ] ;

if $(BOOST_ROOT)
{
	use-project /boost : $(BOOST_ROOT) ;
}

VERSION = 1.1.0 ;

rule coverage ( properties * )
{
	local result ;
	if <toolset>gcc in $(properties)
		|| <toolset>darwin in $(properties)
		|| <toolset>clang in $(properties)
	{
		result += <cxxflags>-fprofile-arcs <cxxflags>-ftest-coverage ;

		if <toolset>gcc in $(properties)
			|| <toolset>darwin in $(properties)
		{
			result += <linkflags>-lgcov ;
		}
		else
		{
			result += <linkflags>--coverage ;
		}
	}
	return $(result) ;
}

# rule for linking the correct libraries depending
# on features and target-os
rule linking ( properties * )
{
	local result ;

	# openssl libraries, if enabled
	if <crypto>openssl in $(properties)
	{
		# exclude gcc from a regular windows build to make mingw
		# link against the regular unix library name
		if <target-os>windows in $(properties)
		{
			result += <library>ssleay32
				<library>libeay32
				<library>advapi32
				<library>user32
				<library>shell32
				<library>gdi32
			;
		}
		else
		{
			result += <library>crypto <library>ssl <library>z ;
		}

		if <target-os>linux in $(properties)
		{
			# linker library on linux, required when using openssl
			result += <library>dl ;
		}
	}

	# dbghelp doesn't appear to exist in mingw
	if <target-os>windows in $(properties)
		&& ! <toolset>gcc in $(properties)
		&& ( <variant>debug in $(properties)
			|| <asserts>on in $(properties)
			|| <asserts>production in $(properties)
			|| <pool-allocators>debug in $(properties)
			|| <allocator>debug in $(properties)
			|| <asio-debugging>on in $(properties) )
	{
		result += <library>dbghelp ;
	}

	# gcrypt libraries, if enabled
	if <crypto>gcrypt in $(properties)
	{
		# on mac os x, adding the /opt/local/include path
		# would include openssl headers incompatible with
		# the system library. Only add this include path
		# if we're not using openssl (which we're most
		# likely not if we're using libgcrypt)
		result += <library>gcrypt <include>/opt/local/include ;
	}

	# socket functions on windows require winsock libraries
	if <target-os>windows in $(properties)
		|| <target-os>cygwin in $(properties)
	{
		result += <library>ws2_32
			<library>wsock32
			<library>iphlpapi
			<define>WIN32_LEAN_AND_MEAN
			<define>__USE_W32_SOCKETS
			<define>WIN32
			<define>_WIN32
		;

		# when DHT is enabled, we need ed25519 which in turn
		# needs entropy
		if ! <dht>off in $(properties)
		{
			result += <library>advapi32 ;
		}
	}

	if <target-os>beos in $(properties)
	{
		result += <library>netkit <library>gcc ;
	}

	if <target-os>solaris in $(properties)
	{
		result += <library>libsocket <library>libnsl ;
	}

	# clock_gettime on linux requires librt
	if <need-librt>yes in $(properties)
	{
		result += <library>librt ;
	}

	if <iconv>on in $(properties)
	{
		result += <library>libiconv ;
	}

	if <tcmalloc>yes in $(properties)
	{
		result += <library>tcmalloc ;
	}

	if <toolset>gcc in $(properties)
		&& <target-os>linux in $(properties)
		&& ( <variant>debug in $(properties)
			|| <asserts>on in $(properties)
			|| <asserts>production in $(properties)
			|| <pool-allocators>debug in $(properties)
			|| <allocator>debug in $(properties)
			|| <asio-debugging>on in $(properties) )
	{
		# for backtraces in assertion failures
		# which only works on ELF targets with gcc
		result += <linkflags>-export-dynamic <cxxflags>-rdynamic ;
	}

	if <boost>source in $(properties)
	{
		if <boost-link>static in $(properties)
		{
			if <link>shared in $(properties)
			{
				# if libtorrent is being built as a shared library
				# but we're linking against boost statically, we still
				# need to make boost think it's being built as a shared
				# library, so that it properly exports its symbols
				result += <define>BOOST_ALL_DYN_LINK ;
				result += <library>/boost/system//boost_system/<link>static/<define>BOOST_ALL_DYN_LINK ;
				result += <library>/boost/chrono//boost_chrono/<link>static/<define>BOOST_ALL_DYN_LINK ;
				result += <library>/boost/random//boost_random/<link>static/<define>BOOST_ALL_DYN_LINK ;
			}
			else
			{
				result += <library>/boost/system//boost_system/<link>static ;
				result += <library>/boost/chrono//boost_chrono/<link>static ;
				result += <library>/boost/random//boost_random/<link>static ;
			}

			if <toolset>gcc in $(properties)
				&& ! <target-os>windows in $(properties)
				&& <link>shared in $(properties)
			{
				result += <fpic>on ;
			}

		}
		else
		{
			result += <library>/boost/system//boost_system/<link>shared ;
			result += <library>/boost/chrono//boost_chrono/<link>shared ;
			result += <library>/boost/random//boost_random/<link>shared ;
		}
		result += <include>$(BOOST_ROOT)
			<define>BOOST_ALL_NO_LIB
			<define>BOOST_MULTI_INDEX_DISABLE_SERIALIZATION
			;

	}
	else
	{
		result += <library>boost_system ;
		result += <library>boost_chrono ;
		result += <library>boost_random ;

		# on mac the boost headers are installed in
		# a directory that isn't automatically accessable
		# on open indiana, boost is install at /usr/g++/include
		result += <include>/opt/local/include/boost-1_35
			<include>/opt/local/include
			<include>/usr/g++/include
			;
	}

	return $(result) ;
}

# rule for adding the right source files
# depending on target-os and features
rule building ( properties * )
{
	local result ;

	if <link>shared in $(properties) && <export-extra>on in $(properties)
	{
		# export some internal libtorrent functions
		# in order to me able to unit test them.
		# this is off by default to keep the export
		# symbol table reasonably small
		result += <define>TORRENT_EXPORT_EXTRA ;
	}

	if ( <variant>debug in $(properties)
		&& ( <toolset>clang in $(properties)
			|| <toolset>gcc in $(properties)
			|| <toolset>darwin in $(properties) ) )
	{
		result += <cflags>-ftrapv ;
	}

	if ( <variant>debug in $(properties)
		|| <asserts>on in $(properties) )
	{
		result += <source>src/assert.cpp ;
	}

	if <crypto>openssl in $(properties)
	{
		result += <source>src/asio_ssl.cpp ;
	}

	if <encryption>on in $(properties)
	{
		result += <source>src/mpi.c ;
		result += <source>src/pe_crypto.cpp ;
	}

	if <crypo>built-in in $(properties)
	{
		result += <source>src/sha1.cpp ;
	}

	if ( <toolset>darwin in $(properties)
		|| <toolset>gcc in $(properties)
		|| <toolset>clang in $(propertoes)
		|| <toolset>clang-darwin in $(propertoes) )
		&& <link>shared in $(properties)
		# on GCC, enabling debugging in libstdc++
		# breaks the ABI and its ability to appear
		# in shared object interfaces, so when it's
		# enabled, just export everything (since we're)
		# probably not a production build anyway
		&& ! <debug-iterators>on in $(properties)
	{
		# hide non-external symbols
		# use ms-compat because boost.asio (as of 1.47.0
		# appears to have some types not fully exported)
		result += <cflags>-fvisibility=hidden ;
		result += <cxxflags>-fvisibility-inlines-hidden ;

		if ( <toolset>gcc in $(properties) )
		{
			result += <linkflags>-Wl,-Bsymbolic ;
		}
	}

	return $(result) ;
}

rule tag ( name : type  ? : property-set )
{
	name = [ virtual-target.add-prefix-and-suffix $(name) : $(type) : $(property-set) ] ;

	if $(type) = SHARED_LIB &&
		( ! ( [ $(property-set).get <target-os> ] in windows cygwin ) )
	{
		name = $(name).$(VERSION) ;
	}

	return $(name) ;
}

feature tcmalloc : no yes : composite propagated link-incompatible ;

feature ipv6 : on off : composite propagated link-incompatible ;
feature.compose <ipv6>off : <define>TORRENT_USE_IPV6=0 ;

feature sanitize : off bounds undefined thread rtc : composite propagated link-incompatible ;
# sanitize is a clang and GCC feature
feature.compose <sanitize>bounds : <cflags>-fsanitize=bounds <cflags>-fsanitize-undefined-trap-on-error <linkflags>-fsanitize=bounds <linkflags>-fsanitize-undefined-trap-on-error ;
feature.compose <sanitize>undefined : <cflags>-fsanitize=undefined <linkflags>-fsanitize=undefined ;
feature.compose <sanitize>thread : <cflags>-fsanitize=thread <linkflags>-fsanitize=thread ;
# RTC (runtime check) is an msvc feature
feature.compose <sanitize>rtc : <cflags>/RTCc <cflags>/RTCsu ;

feature need-librt : no yes : composite propagated link-incompatible ;

feature fiemap : off on : composite propagated ;
feature.compose <fiemap>on : <define>HAVE_LINUX_FIEMAP_H ;

feature file-leak-logging : off on : composite propagated ;
feature.compose <file-leak-logging>on : <define>TORRENT_DEBUG_FILE_LEAKS=1 ;

feature i2p : on off : composite propagated ;
feature.compose <i2p>on : <define>TORRENT_USE_I2P=1 ;
feature.compose <i2p>off : <define>TORRENT_USE_I2P=0 ;

feature iconv : auto on off : composite propagated ;
feature.compose <iconv>on : <define>TORRENT_USE_ICONV=1 ;
feature.compose <iconv>off : <define>TORRENT_USE_ICONV=0 ;

feature use-valgrind : off on : composite propagated link-incompatible ;
feature.compose <use-valgrind>on : <define>TORRENT_USE_VALGRIND=1 ;

feature memory-optimization : off on : composite propagated link-incompatible ;
feature.compose <memory-optimization>on : <define>TORRENT_OPTIMIZE_MEMORY_USAGE ;

feature asserts : auto on off production system : composite propagated ;
feature.compose <asserts>on : <define>TORRENT_RELEASE_ASSERTS=1 ;
feature.compose <asserts>production : <define>TORRENT_PRODUCTION_ASSERTS=1 <define>TORRENT_RELEASE_ASSERTS=1 ;
feature.compose <asserts>off : <define>TORRENT_USE_ASSERTS=0 ;
feature.compose <asserts>system : <define>TORRENT_USE_SYSTEM_ASSERTS=1 ;

feature windows-version : xp vista win7 : composite propagated link-incompatible ;
feature.compose <windows-version>xp : <define>_WIN32_WINNT=0x0501 ;
feature.compose <windows-version>vista : <define>_WIN32_WINNT=0x0600 ;
feature.compose <windows-version>win7 : <define>_WIN32_WINNT=0x0601 ;

feature extensions : on off : composite propagated link-incompatible ;
feature.compose <extensions>off : <define>TORRENT_DISABLE_EXTENSIONS ;

feature asio-debugging : off on : composite propagated link-incompatible ;
feature.compose <asio-debugging>on : <define>TORRENT_ASIO_DEBUGGING ;

feature picker-debugging : off on : composite propagated link-incompatible ;
feature.compose <picker-debugging>on : <define>TORRENT_DEBUG_REFCOUNTS ;

# deprecated use allocator=pool instead
feature pool-allocators : on off debug : composite propagated link-incompatible ;
feature.compose <pool-allocators>off : <define>TORRENT_DISABLE_POOL_ALLOCATOR ;
feature.compose <pool-allocators>debug : <define>TORRENT_DISABLE_POOL_ALLOCATOR <define>TORRENT_DEBUG_BUFFERS ;

feature allocator : pool system debug : composite propagated ;
feature.compose <allocator>system : <define>TORRENT_DISABLE_POOL_ALLOCATOR ;
feature.compose <allocator>debug : <define>TORRENT_DISABLE_POOL_ALLOCATOR <define>TORRENT_DEBUG_BUFFERS ;

feature piece-allocator : valloc memalign posix_memalign : composite propagated ;
feature.compose <piece-allocator>memalign : <define>TORRENT_USE_MEMALIGN=1 ;
feature.compose <piece-allocator>posix_memalign : <define>TORRENT_USE_POSIX_MEMALIGN=1 ;

feature bandwidth-limit-logging : off on : composite propagated link-incompatible ;
feature.compose <bandwidth-limit-logging>on : <define>TORRENT_VERBOSE_BANDWIDTH_LIMIT ;

feature invariant-checks : on off full : composite propagated link-incompatible ;
feature.compose <invariant-checks>off : <define>TORRENT_DISABLE_INVARIANT_CHECKS ;
feature.compose <invariant-checks>full : <define>TORRENT_EXPENSIVE_INVARIANT_CHECKS ;

feature request-log : off on : composite propagated link-incompatible ;
feature.compose <request-log>on : <define>TORRENT_REQUEST_LOGGING ;

feature disk-stats : off on : composite propagated link-incompatible ;
feature.compose <disk-stats>on : <define>TORRENT_DISK_STATS ;

feature simulate-slow-read : off on : composite propagated ;
feature.compose <simulate-slow-read>on : <define>TORRENT_SIMULATE_SLOW_READ ;

feature logging : off on : composite propagated link-incompatible ;
feature.compose <logging>on : <define>TORRENT_LOGGING ;

feature dht : on off logging : composite propagated link-incompatible ;
feature.compose <dht>off : <define>TORRENT_DISABLE_DHT ;
feature.compose <dht>logging : <define>TORRENT_DHT_VERBOSE_LOGGING ;

feature encryption : on off : composite propagated link-incompatible ;
feature.compose <encryption>off : <define>TORRENT_DISABLE_ENCRYPTION ;

feature crypto : built-in openssl gcrypt : composite ;
feature.compose <crypto>openssl : <define>TORRENT_USE_OPENSSL ;
feature.compose <crypto>gcrypt : <define>TORRENT_USE_GCRYPT ;

feature resolve-countries : on off : composite propagated link-incompatible ;
feature.compose <resolve-countries>off : <define>TORRENT_DISABLE_RESOLVE_COUNTRIES ;

feature character-set : unicode ansi : composite propagated link-incompatible ;
feature.compose <character-set>unicode : <define>_UNICODE <define>UNICODE ;

feature deprecated-functions : on off : composite propagated link-incompatible ;
feature.compose <deprecated-functions>off : <define>TORRENT_NO_DEPRECATE ;

feature upnp-logging : off on : composite propagated link-incompatible ;
feature.compose <upnp-logging>on : <define>TORRENT_UPNP_LOGGING ;

feature boost : system source : link-incompatible propagated ;
feature boost-link : static shared : composite ;

feature debug-iterators : off on : composite propagated link-incompatible ;
feature.compose <debug-iterators>on : <define>_SCL_SECURE=1 <define>_GLIBCXX_DEBUG ;

feature test-coverage : off on : composite propagated ;
feature.compose <test-coverage>on : <conditional>@coverage ;

feature fpic : off on : composite propagated link-incompatible ;
feature.compose <fpic>on : <cflags>-fPIC ;
feature.compose <fpic>off : <toolset>darwin:<cflags>-mdynamic-no-pic ;

feature profile-calls : off on : composite propagated link-incompatible ;
feature.compose <profile-calls>on : <define>TORRENT_PROFILE_CALLS=1 ;

# controls whether or not to export some internal
# libtorrent functions. Used for unit testing
feature export-extra : off on : composite propagated ;


# this is a trick to get filename paths to targets to become shorter
# making it possible to build on windows, especially mingw seems particular
variant test_release
	: release : <asserts>production <debug-symbols>on
	  <invariant-checks>full <boost-link>shared
	  <export-extra>on <debug-iterators>on <boost>source <threading>multi
	;
variant test_debug : debug
	: <crypto>openssl <logging>on <disk-stats>on
	  <dht>logging <request-log>on <allocator>debug <debug-iterators>on
	  <invariant-checks>full <boost-link>shared
	  <export-extra>on <debug-iterators>on <boost>source <threading>multi
	;
variant test_barebones : debug
	: <ipv6>off <dht>off <extensions>off <logging>off <boost-link>shared
	  <deprecated-functions>off <invariant-checks>off
	  <export-extra>on <debug-iterators>on <boost>source <threading>multi
	;


# required for openssl on windows
lib ssleay32 : : <name>ssleay32 ;
lib libeay32 : : <name>libeay32 ;
lib advapi32 : : <name>Advapi32 ;
lib user32 : : <name>User32 ;
lib shell32 : : <name>shell32 ;
lib gdi32 : : <name>gdi32 ;
lib dbghelp : : <name>dbghelp ;

# required for networking on beos
lib netkit : : <name>net <search>/boot/system/lib <link>shared ;
lib gcc : : <name>gcc <link>static ;

# when using iconv
lib libiconv : : <name>iconv <link>shared <search>/usr/local/lib ;

local boost-library-search-path =
  <search>/opt/local/lib
  <search>/usr/lib
  <search>/usr/local/lib
  <search>/sw/lib
  <search>/usr/g++/lib
  ;

lib boost_system : : <target-os>darwin <name>boost_system-mt $(boost-library-search-path) ;
lib boost_system : : <target-os>solaris <name>boost_system $(boost-library-search-path) ;
lib boost_system : : <name>boost_system ;

lib boost_chrono : : <target-os>darwin <name>boost_chrono-mt $(boost-library-search-path) ;
lib boost_chrono : : <target-os>solaris <name>boost_chrono $(boost-library-search-path) ;
lib boost_chrono : : <name>boost_chrono ;

lib boost_random : : <target-os>darwin <name>boost_random-mt $(boost-library-search-path) ;
lib boost_random : : <target-os>solaris <name>boost_random $(boost-library-search-path) ;
lib boost_random : : <name>boost_random ;

# openssl on linux/bsd/macos etc.
lib gcrypt : : <name>gcrypt <link>shared <search>/opt/local/lib ;
lib z : : <link>shared <name>z <search>/usr/lib ;
lib crypto : : <name>crypto <search>/usr/lib <use>z ;
lib ssl : : <name>ssl <link>shared <use>crypto <search>/opt/local/lib ;
lib dl : : <link>shared <name>dl ;
lib aio : : <link>shared <name>aio ;

# time functions used on linux require librt
lib librt : : <name>rt <link>shared ;

lib libsocket : : <use>libnsl <name>socket <link>shared <search>/usr/sfw/lib <link>shared ;
lib libnsl : : <name>nsl <link>shared <search>/usr/sfw/lib <link>shared ;

lib tcmalloc : : <name>tcmalloc <link>shared ;

# GeoIP shared library
lib GeoIP : : <name>GeoIP <link>shared ;

# socket libraries on windows
lib wsock32 : : <name>wsock32 <link>shared ;
lib ws2_32 : : <name>ws2_32 <link>shared ;
lib iphlpapi : : <name>iphlpapi <link>shared ;

SOURCES =
	alert
	alert_manager
	allocator
	asio
	assert
	bandwidth_limit
	bandwidth_manager
	bandwidth_queue_entry
	block_cache
	bloom_filter
	chained_buffer
	choker
	crc32c
	create_torrent
	disk_buffer_holder
	disk_buffer_pool
	disk_io_job
	disk_job_pool
	entry
	error_code
	file_storage
	lazy_bdecode
	escape_string
	string_util
	file
	gzip
	hasher
	http_connection
	http_stream
	http_parser
	identify_client
	ip_filter
	ip_voter
	peer_connection
	platform_util
	bt_peer_connection
	web_connection_base
	web_peer_connection
	http_seed_connection
	i2p_stream
	instantiate_connection
	natpmp
	packet_buffer
	piece_picker
	peer_list
	proxy_base
	puff
	random
	receive_buffer
	rss
	session
	session_impl
	session_call
	settings_pack
	socket_io
	socket_type
	socks5_stream
	stat
	storage
	torrent
	torrent_handle
	torrent_info
	torrent_peer
	torrent_peer_allocator
	time
	tracker_manager
	http_tracker_connection
	udp_tracker_connection
	sha1
	tailqueue
	timestamp_history
	udp_socket
	upnp
	utf8
	utp_socket_manager
	utp_stream
	file_pool
	lsd
	disk_buffer_pool
	disk_io_thread
	enum_net
	broadcast_socket
	magnet_uri
	parse_url
	ConvertUTF
	thread
	xml_parse
	peer_class
	peer_class_set
	part_file
	stat_cache
	request_blocks
	session_stats
	performance_counters
	resolver

# -- extensions --
	metadata_transfer
	ut_pex
	ut_metadata
	lt_trackers
	smart_ban
	;

KADEMLIA_SOURCES =
	dht_tracker
	node
	refresh
	rpc_manager
	find_data
	node_id
	routing_table
	traversal_algorithm
	logging
	dos_blocker
	get_peers
	item
	get_item
	;

ED25519_SOURCES =
	add_scalar
	fe
	ge
	key_exchange
	keypair
	sc
	seed
	sha512
	sign
	verify
	;

local usage-requirements = 
	<include>./include
	<include>./include/libtorrent
	<include>/usr/sfw/include
# freebsd doesn't seem to include this automatically
# and iconv.h is installed there
	<include>/usr/local/include
	<variant>release:<define>NDEBUG
	<variant>debug:<define>TORRENT_DEBUG
	<define>_FILE_OFFSET_BITS=64
	<define>BOOST_EXCEPTION_DISABLE
# enable cancel support in asio
	<define>BOOST_ASIO_ENABLE_CANCELIO
	<conditional>@linking
# these compiler settings just makes the compiler standard conforming
	<toolset>msvc:<cflags>/Zc:wchar_t
	<toolset>msvc:<cflags>/Zc:forScope
# disable bogus deprecation warnings on msvc8
	<toolset>msvc:<define>_SCL_SECURE_NO_DEPRECATE
	<toolset>msvc:<define>_CRT_SECURE_NO_DEPRECATE
# msvc optimizations
	<toolset>msvc,<variant>release:<linkflags>/OPT:ICF=5
	<toolset>msvc,<variant>release:<linkflags>/OPT:REF
# disable warning C4503: decorated name length exceeded, name was truncated
	<toolset>msvc:<cxxflags>/wd4503
# disable warning C4275: non-dll interface class 'x' used as base for dll-interface struct 'y'
	<toolset>msvc:<cxxflags>/wd4275
# disable warning C4251: 'x' needs to have dll-interface to be used by clients of class 'y'
	<toolset>msvc:<cxxflags>/wd4251
# disable some warnings for gcc
	<toolset>gcc:<cflags>-fno-strict-aliasing
	<toolset>gcc:<cflags>-Wno-missing-braces
# suppress warnings caused by boost using c++11 features even when not
# in c++11 mode
	<toolset>darwin:<cxxflags>-Wno-c++11-extensions
# assert on integer overflow
	<boost>system:<cxxflags>$(CXXFLAGS)
	<boost>system:<linkflags>$(LDFLAGS)
# this works around a bug in asio in boost-1.39
	<define>BOOST_ASIO_HASH_MAP_BUCKETS=1021
# make sure asio symbols are properly exported
# and imported
	<link>shared:<define>BOOST_ASIO_DYN_LINK
	<define>BOOST_ASIO_SEPARATE_COMPILATION
	<tag>@tag
	;

project torrent ;

lib torrent

	: # sources
	src/$(SOURCES).cpp

	: # requirements
	<include>./ed25519/src
	<threading>multi
	<link>shared:<define>TORRENT_BUILDING_SHARED
	<define>BOOST_NO_DEPRECATED

	# on windows, when linking statically against asio
	# but producing a DLL, everything inside the DLL needs
	# to declare the symbol as being exported
	<link>shared:<define>BOOST_ASIO_SOURCE
	<link>shared:<define>BOOST_SYSTEM_SOURCE

	<dht>on:<source>src/kademlia/$(KADEMLIA_SOURCES).cpp
	<dht>logging:<source>src/kademlia/$(KADEMLIA_SOURCES).cpp

	<dht>on:<source>ed25519/src/$(ED25519_SOURCES).cpp
	<dht>logging:<source>ed25519/src/$(ED25519_SOURCES).cpp

	<conditional>@building
	<boost>system:<cxxflags>$(CXXFLAGS)

	$(usage-requirements)

	: # default build
	<link>static
	<threading>multi

	: # usage requirements
	$(usage-requirements)
	<link>shared:<define>TORRENT_LINKING_SHARED

	;

headers = [ path.glob-tree include/libtorrent : *.hpp ] ;

package.install install
 : <install-source-root>libtorrent
   <install-no-version-symlinks>on
 :
 : torrent
 : $(headers)
 ;