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waf / waflib / Tools / msvc.py

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#!/usr/bin/env python
# encoding: utf-8
# Carlos Rafael Giani, 2006 (dv)
# Tamas Pal, 2007 (folti)
# Nicolas Mercier, 2009

"""
Microsoft Visual C++/Intel C++ compiler support

Usage::

	$ waf configure --msvc_version="msvc 10.0,msvc 9.0" --msvc_target="x64"

or::

	def configure(conf):
		conf.env['MSVC_VERSIONS'] = ['msvc 10.0', 'msvc 9.0', 'msvc 8.0', 'msvc 7.1', 'msvc 7.0', 'msvc 6.0', 'wsdk 7.0', 'intel 11', 'PocketPC 9.0', 'Smartphone 8.0']
		conf.env['MSVC_TARGETS'] = ['x64']
		conf.load('msvc')

or::

	def configure(conf):
		conf.load('msvc', funs='no_autodetect')
		conf.check_lib_msvc('gdi32')
		conf.check_libs_msvc('kernel32 user32')
	def build(bld):
		tg = bld.program(source='main.c', target='app', use='KERNEL32 USER32 GDI32')

Platforms and targets will be tested in the order they appear;
the first good configuration will be used.
Supported platforms: ia64, x64, x86, x86_amd64, x86_ia64

Compilers supported:

* msvc       => Visual Studio, versions 6.0 (VC 98, VC .NET 2002) to 10.0 (Visual Studio 2010)
* wsdk       => Windows SDK, versions 6.0, 6.1, 7.0
* icl        => Intel compiler, versions 9,10,11
* Smartphone => Compiler/SDK for Smartphone devices (armv4/v4i)
* PocketPC   => Compiler/SDK for PocketPC devices (armv4/v4i)

To use WAF in a VS2008 Make file project (see http://code.google.com/p/waf/issues/detail?id=894)
You may consider to set the environment variable "VS_UNICODE_OUTPUT" to nothing before calling waf.
So in your project settings use something like 'cmd.exe /C "set VS_UNICODE_OUTPUT=& set PYTHONUNBUFFERED=true & waf build"'.
cmd.exe  /C  "chcp 1252 & set PYTHONUNBUFFERED=true && set && waf  configure"
Setting PYTHONUNBUFFERED gives the unbuffered output.
"""

import os, sys, re, tempfile
try:
	import _winreg
except:
	try:
		import winreg as _winreg
	except:
		_winreg = None

from waflib import Utils, TaskGen, Runner, Configure, Task, Options
from waflib.Logs import debug, info, warn, error
from waflib.TaskGen import after_method, before_method, feature

from waflib.Configure import conf
from waflib.Tools import ccroot, c, cxx, ar, winres


g_msvc_systemlibs = '''
aclui activeds ad1 adptif adsiid advapi32 asycfilt authz bhsupp bits bufferoverflowu cabinet
cap certadm certidl ciuuid clusapi comctl32 comdlg32 comsupp comsuppd comsuppw comsuppwd comsvcs
credui crypt32 cryptnet cryptui d3d8thk daouuid dbgeng dbghelp dciman32 ddao35 ddao35d
ddao35u ddao35ud delayimp dhcpcsvc dhcpsapi dlcapi dnsapi dsprop dsuiext dtchelp
faultrep fcachdll fci fdi framedyd framedyn gdi32 gdiplus glauxglu32 gpedit gpmuuid
gtrts32w gtrtst32hlink htmlhelp httpapi icm32 icmui imagehlp imm32 iphlpapi iprop
kernel32 ksguid ksproxy ksuser libcmt libcmtd libcpmt libcpmtd loadperf lz32 mapi
mapi32 mgmtapi minidump mmc mobsync mpr mprapi mqoa mqrt msacm32 mscms mscoree
msdasc msimg32 msrating mstask msvcmrt msvcurt msvcurtd mswsock msxml2 mtx mtxdm
netapi32 nmapinmsupp npptools ntdsapi ntdsbcli ntmsapi ntquery odbc32 odbcbcp
odbccp32 oldnames ole32 oleacc oleaut32 oledb oledlgolepro32 opends60 opengl32
osptk parser pdh penter pgobootrun pgort powrprof psapi ptrustm ptrustmd ptrustu
ptrustud qosname rasapi32 rasdlg rassapi resutils riched20 rpcndr rpcns4 rpcrt4 rtm
rtutils runtmchk scarddlg scrnsave scrnsavw secur32 sensapi setupapi sfc shell32
shfolder shlwapi sisbkup snmpapi sporder srclient sti strsafe svcguid tapi32 thunk32
traffic unicows url urlmon user32 userenv usp10 uuid uxtheme vcomp vcompd vdmdbg
version vfw32 wbemuuid  webpost wiaguid wininet winmm winscard winspool winstrm
wintrust wldap32 wmiutils wow32 ws2_32 wsnmp32 wsock32 wst wtsapi32 xaswitch xolehlp
'''.split()
"""importlibs provided by MSVC/Platform SDK. Do NOT search them"""

all_msvc_platforms = [ ('x64', 'amd64'), ('x86', 'x86'), ('ia64', 'ia64'), ('x86_amd64', 'amd64'), ('x86_ia64', 'ia64') ]
"""List of msvc platforms"""

all_wince_platforms = [ ('armv4', 'arm'), ('armv4i', 'arm'), ('mipsii', 'mips'), ('mipsii_fp', 'mips'), ('mipsiv', 'mips'), ('mipsiv_fp', 'mips'), ('sh4', 'sh'), ('x86', 'cex86') ]
"""List of wince platforms"""

all_icl_platforms = [ ('intel64', 'amd64'), ('em64t', 'amd64'), ('ia32', 'x86'), ('Itanium', 'ia64')]
"""List of icl platforms"""

def options(opt):
	opt.add_option('--msvc_version', type='string', help = 'msvc version, eg: "msvc 10.0,msvc 9.0"', default='')
	opt.add_option('--msvc_targets', type='string', help = 'msvc targets, eg: "x64,arm"', default='')

def setup_msvc(conf, versions):
	platforms = getattr(Options.options, 'msvc_targets', '').split(',')
	if platforms == ['']:
		platforms=Utils.to_list(conf.env['MSVC_TARGETS']) or [i for i,j in all_msvc_platforms+all_icl_platforms+all_wince_platforms]
	desired_versions = getattr(Options.options, 'msvc_version', '').split(',')
	if desired_versions == ['']:
		desired_versions = conf.env['MSVC_VERSIONS'] or [v for v,_ in versions][::-1]
	versiondict = dict(versions)

	for version in desired_versions:
		try:
			targets = dict(versiondict [version])
			for target in platforms:
				try:
					arch,(p1,p2,p3) = targets[target]
					compiler,revision = version.rsplit(' ', 1)
					return compiler,revision,p1,p2,p3
				except KeyError: continue
		except KeyError: continue
	conf.fatal('msvc: Impossible to find a valid architecture for building (in setup_msvc)')

@conf
def get_msvc_version(conf, compiler, version, target, vcvars):
	"""
	Create a bat file to obtain the location of the libraries

	:param compiler: ?
	:param version: ?
	:target: ?
	:vcvars: ?
	:return: the location of msvc, the location of include dirs, and the library paths
	:rtype: tuple of strings
	"""
	debug('msvc: get_msvc_version: %r %r %r', compiler, version, target)
	batfile = conf.bldnode.make_node('waf-print-msvc.bat')
	batfile.write("""@echo off
set INCLUDE=
set LIB=
call "%s" %s
echo PATH=%%PATH%%
echo INCLUDE=%%INCLUDE%%
echo LIB=%%LIB%%
""" % (vcvars,target))
	sout = conf.cmd_and_log(['cmd', '/E:on', '/V:on', '/C', batfile.abspath()])
	lines = sout.splitlines()

	if not lines[0]: lines=lines[1:]
	for x in ('Setting environment', 'Setting SDK environment', 'Intel(R) C++ Compiler', 'Intel Parallel Studio'):
		if lines[0].find(x) != -1:
			break
	else:
		debug('msvc: get_msvc_version: %r %r %r -> not found', compiler, version, target)
		conf.fatal('msvc: Impossible to find a valid architecture for building (in get_msvc_version)')

	for line in lines[1:]:
		if line.startswith('PATH='):
			path = line[5:]
			MSVC_PATH = path.split(';')
		elif line.startswith('INCLUDE='):
			MSVC_INCDIR = [i for i in line[8:].split(';') if i]
		elif line.startswith('LIB='):
			MSVC_LIBDIR = [i for i in line[4:].split(';') if i]

	# Check if the compiler is usable at all.
	# The detection may return 64-bit versions even on 32-bit systems, and these would fail to run.
	env = {}
	env.update(os.environ)
	env.update(PATH = path)
	compiler_name, linker_name, lib_name = _get_prog_names(conf, compiler)
	cxx = conf.find_program(compiler_name, path_list=MSVC_PATH)
	cxx = conf.cmd_to_list(cxx)

	# delete CL if exists. because it could contain parameters wich can change cl's behaviour rather catastrophically.
	if 'CL' in env:
		del(env['CL'])

	try:
		try:
			conf.cmd_and_log(cxx + ['/help'], env=env)
		except Exception as e:
			debug('msvc: get_msvc_version: %r %r %r -> failure' % (compiler, version, target))
			debug(str(e))
			conf.fatal('msvc: cannot run the compiler (in get_msvc_version)')
		else:
			debug('msvc: get_msvc_version: %r %r %r -> OK', compiler, version, target)
	finally:
		conf.env[compiler_name] = ''

	return (MSVC_PATH, MSVC_INCDIR, MSVC_LIBDIR)

@conf
def gather_wsdk_versions(conf, versions):
	"""
	Use winreg to add the msvc versions to the input list

	:param versions: list to modify
	:type versions: list
	"""
	version_pattern = re.compile('^v..?.?\...?.?')
	try:
		all_versions = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Wow6432node\\Microsoft\\Microsoft SDKs\\Windows')
	except WindowsError:
		try:
			all_versions = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows')
		except WindowsError:
			return
	index = 0
	while 1:
		try:
			version = _winreg.EnumKey(all_versions, index)
		except WindowsError:
			break
		index = index + 1
		if not version_pattern.match(version):
			continue
		try:
			msvc_version = _winreg.OpenKey(all_versions, version)
			path,type = _winreg.QueryValueEx(msvc_version,'InstallationFolder')
		except WindowsError:
			continue
		if os.path.isfile(os.path.join(path, 'bin', 'SetEnv.cmd')):
			targets = []
			for target,arch in all_msvc_platforms:
				try:
					targets.append((target, (arch, conf.get_msvc_version('wsdk', version, '/'+target, os.path.join(path, 'bin', 'SetEnv.cmd')))))
				except conf.errors.ConfigurationError:
					pass
			versions.append(('wsdk ' + version[1:], targets))

def gather_wince_supported_platforms():
	"""
	Checks SmartPhones SDKs

	:param versions: list to modify
	:type versions: list
	"""
	supported_wince_platforms = []
	try:
		ce_sdk = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Wow6432node\\Microsoft\\Windows CE Tools\\SDKs')
	except WindowsError:
		try:
			ce_sdk = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Microsoft\\Windows CE Tools\\SDKs')
		except WindowsError:
			ce_sdk = ''
	if not ce_sdk:
		return supported_wince_platforms

	ce_index = 0
	while 1:
		try:
			sdk_device = _winreg.EnumKey(ce_sdk, ce_index)
		except WindowsError:
			break
		ce_index = ce_index + 1
		sdk = _winreg.OpenKey(ce_sdk, sdk_device)
		try:
			path,type = _winreg.QueryValueEx(sdk, 'SDKRootDir')
		except WindowsError:
			try:
				path,type = _winreg.QueryValueEx(sdk,'SDKInformation')
				path,xml = os.path.split(path)
			except WindowsError:
				continue
		path=str(path)
		path,device = os.path.split(path)
		if not device:
			path,device = os.path.split(path)
		for arch,compiler in all_wince_platforms:
			platforms = []
			if os.path.isdir(os.path.join(path, device, 'Lib', arch)):
				platforms.append((arch, compiler, os.path.join(path, device, 'Include', arch), os.path.join(path, device, 'Lib', arch)))
			if platforms:
				supported_wince_platforms.append((device, platforms))
	return supported_wince_platforms

def gather_msvc_detected_versions():
	#Detected MSVC versions!
	version_pattern = re.compile('^(\d\d?\.\d\d?)(Exp)?$')
	detected_versions = []
	for vcver,vcvar in [('VCExpress','Exp'), ('VisualStudio','')]:
		try:
			prefix = 'SOFTWARE\\Wow6432node\\Microsoft\\'+vcver
			all_versions = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, prefix)
		except WindowsError:
			try:
				prefix = 'SOFTWARE\\Microsoft\\'+vcver
				all_versions = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, prefix)
			except WindowsError:
				continue

		index = 0
		while 1:
			try:
				version = _winreg.EnumKey(all_versions, index)
			except WindowsError:
				break
			index = index + 1
			match = version_pattern.match(version)
			if not match:
				continue
			else:
				versionnumber = float(match.group(1))
			detected_versions.append((versionnumber, version+vcvar, prefix+"\\"+version))
	def fun(tup):
		return tup[0]

	detected_versions.sort(key = fun)
	return detected_versions

@conf
def gather_msvc_targets(conf, versions, version, vc_path):
	#Looking for normal MSVC compilers!
	targets = []
	if os.path.isfile(os.path.join(vc_path, 'vcvarsall.bat')):
		for target,realtarget in all_msvc_platforms[::-1]:
			try:
				targets.append((target, (realtarget, conf.get_msvc_version('msvc', version, target, os.path.join(vc_path, 'vcvarsall.bat')))))
			except conf.errors.ConfigurationError:
				pass
	elif os.path.isfile(os.path.join(vc_path, 'Common7', 'Tools', 'vsvars32.bat')):
		try:
			targets.append(('x86', ('x86', conf.get_msvc_version('msvc', version, 'x86', os.path.join(vc_path, 'Common7', 'Tools', 'vsvars32.bat')))))
		except conf.errors.ConfigurationError:
			pass
	elif os.path.isfile(os.path.join(vc_path, 'Bin', 'vcvars32.bat')):
		try:
			targets.append(('x86', ('x86', conf.get_msvc_version('msvc', version, '', os.path.join(vc_path, 'Bin', 'vcvars32.bat')))))
		except conf.errors.ConfigurationError:
			pass
	versions.append(('msvc '+ version, targets))

@conf
def gather_wince_targets(conf, versions, version, vc_path, vsvars, supported_platforms):
	#Looking for Win CE compilers!
	for device,platforms in supported_platforms:
		cetargets = []
		for platform,compiler,include,lib in platforms:
			winCEpath = os.path.join(vc_path, 'ce')
			if not os.path.isdir(winCEpath):
				continue
			try:
				common_bindirs,_1,_2 = conf.get_msvc_version('msvc', version, 'x86', vsvars)
			except conf.errors.ConfigurationError:
				continue
			if os.path.isdir(os.path.join(winCEpath, 'lib', platform)):
				bindirs = [os.path.join(winCEpath, 'bin', compiler), os.path.join(winCEpath, 'bin', 'x86_'+compiler)] + common_bindirs
				incdirs = [os.path.join(winCEpath, 'include'), os.path.join(winCEpath, 'atlmfc', 'include'), include]
				libdirs = [os.path.join(winCEpath, 'lib', platform), os.path.join(winCEpath, 'atlmfc', 'lib', platform), lib]
				cetargets.append((platform, (platform, (bindirs,incdirs,libdirs))))
		if cetargets:
			versions.append((device + ' ' + version, cetargets))

@conf
def gather_msvc_versions(conf, versions):
	vc_paths = []
	for (v,version,reg) in gather_msvc_detected_versions():
		try:
			try:
				msvc_version = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, reg + "\\Setup\\VC")
			except WindowsError:
				msvc_version = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, reg + "\\Setup\\Microsoft Visual C++")
			path,type = _winreg.QueryValueEx(msvc_version, 'ProductDir')
			vc_paths.append((version, os.path.abspath(str(path))))
		except WindowsError:
			continue

	wince_supported_platforms = gather_wince_supported_platforms()

	for version,vc_path in vc_paths:
		vs_path = os.path.dirname(vc_path)
		vsvars = os.path.join(vs_path, 'Common7', 'Tools', 'vsvars32.bat')
		if wince_supported_platforms and os.path.isfile(vsvars):
			conf.gather_wince_targets(versions, version, vc_path, vsvars, wince_supported_platforms)

	for version,vc_path in vc_paths:
		vs_path = os.path.dirname(vc_path)
		conf.gather_msvc_targets(versions, version, vc_path)

@conf
def gather_icl_versions(conf, versions):
	"""
	Checks ICL compilers

	:param versions: list to modify
	:type versions: list
	"""
	version_pattern = re.compile('^...?.?\....?.?')
	try:
		all_versions = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Wow6432node\\Intel\\Compilers\\C++')
	except WindowsError:
		try:
			all_versions = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Intel\\Compilers\\C++')
		except WindowsError:
			return
	index = 0
	while 1:
		try:
			version = _winreg.EnumKey(all_versions, index)
		except WindowsError:
			break
		index = index + 1
		if not version_pattern.match(version):
			continue
		targets = []
		for target,arch in all_icl_platforms:
			try:
				if target=='intel64': targetDir='EM64T_NATIVE'
				else: targetDir=target
				_winreg.OpenKey(all_versions,version+'\\'+targetDir)
				icl_version=_winreg.OpenKey(all_versions,version)
				path,type=_winreg.QueryValueEx(icl_version,'ProductDir')
				if os.path.isfile(os.path.join(path,'bin','iclvars.bat')):
					try:
						targets.append((target,(arch,conf.get_msvc_version('intel',version,target,os.path.join(path,'bin','iclvars.bat')))))
					except conf.errors.ConfigurationError:
						pass
			except WindowsError:
				pass
		for target,arch in all_icl_platforms:
			try:
				icl_version = _winreg.OpenKey(all_versions, version+'\\'+target)
				path,type = _winreg.QueryValueEx(icl_version,'ProductDir')
				if os.path.isfile(os.path.join(path, 'bin', 'iclvars.bat')):
					try:
						targets.append((target, (arch, conf.get_msvc_version('intel', version, target, os.path.join(path, 'bin', 'iclvars.bat')))))
					except conf.errors.ConfigurationError:
						pass
			except WindowsError:
				continue
		major = version[0:2]
		versions.append(('intel ' + major, targets))

@conf
def get_msvc_versions(conf):
	"""
	:return: list of compilers installed
	:rtype: list of string
	"""
	if not conf.env['MSVC_INSTALLED_VERSIONS']:
		lst = []
		conf.gather_icl_versions(lst)
		conf.gather_wsdk_versions(lst)
		conf.gather_msvc_versions(lst)
		conf.env['MSVC_INSTALLED_VERSIONS'] = lst
	return conf.env['MSVC_INSTALLED_VERSIONS']

@conf
def print_all_msvc_detected(conf):
	"""
	Print the contents of *conf.env.MSVC_INSTALLED_VERSIONS*
	"""
	for version,targets in conf.env['MSVC_INSTALLED_VERSIONS']:
		info(version)
		for target,l in targets:
			info("\t"+target)

@conf
def detect_msvc(conf):
	versions = get_msvc_versions(conf)
	return setup_msvc(conf, versions)

@conf
def find_lt_names_msvc(self, libname, is_static=False):
	"""
	Win32/MSVC specific code to glean out information from libtool la files.
	this function is not attached to the task_gen class
	"""
	lt_names=[
		'lib%s.la' % libname,
		'%s.la' % libname,
	]

	for path in self.env['LIBPATH']:
		for la in lt_names:
			laf=os.path.join(path,la)
			dll=None
			if os.path.exists(laf):
				ltdict = Utils.read_la_file(laf)
				lt_libdir=None
				if ltdict.get('libdir', ''):
					lt_libdir = ltdict['libdir']
				if not is_static and ltdict.get('library_names', ''):
					dllnames=ltdict['library_names'].split()
					dll=dllnames[0].lower()
					dll=re.sub('\.dll$', '', dll)
					return (lt_libdir, dll, False)
				elif ltdict.get('old_library', ''):
					olib=ltdict['old_library']
					if os.path.exists(os.path.join(path,olib)):
						return (path, olib, True)
					elif lt_libdir != '' and os.path.exists(os.path.join(lt_libdir,olib)):
						return (lt_libdir, olib, True)
					else:
						return (None, olib, True)
				else:
					raise self.errors.WafError('invalid libtool object file: %s' % laf)
	return (None, None, None)

@conf
def libname_msvc(self, libname, is_static=False):
	lib = libname.lower()
	lib = re.sub('\.lib$','',lib)

	if lib in g_msvc_systemlibs:
		return lib

	lib=re.sub('^lib','',lib)

	if lib == 'm':
		return None

	(lt_path, lt_libname, lt_static) = self.find_lt_names_msvc(lib, is_static)

	if lt_path != None and lt_libname != None:
		if lt_static == True:
			# file existance check has been made by find_lt_names
			return os.path.join(lt_path,lt_libname)

	if lt_path != None:
		_libpaths=[lt_path] + self.env['LIBPATH']
	else:
		_libpaths=self.env['LIBPATH']

	static_libs=[
		'lib%ss.lib' % lib,
		'lib%s.lib' % lib,
		'%ss.lib' % lib,
		'%s.lib' %lib,
		]

	dynamic_libs=[
		'lib%s.dll.lib' % lib,
		'lib%s.dll.a' % lib,
		'%s.dll.lib' % lib,
		'%s.dll.a' % lib,
		'lib%s_d.lib' % lib,
		'%s_d.lib' % lib,
		'%s.lib' %lib,
		]

	libnames=static_libs
	if not is_static:
		libnames=dynamic_libs + static_libs

	for path in _libpaths:
		for libn in libnames:
			if os.path.exists(os.path.join(path, libn)):
				debug('msvc: lib found: %s' % os.path.join(path,libn))
				return re.sub('\.lib$', '',libn)

	#if no lib can be found, just return the libname as msvc expects it
	self.fatal("The library %r could not be found" % libname)
	return re.sub('\.lib$', '', libname)

@conf
def check_lib_msvc(self, libname, is_static=False, uselib_store=None):
	"""
	Ideally we should be able to place the lib in the right env var, either STLIB or LIB,
	but we don't distinguish static libs from shared libs.
	This is ok since msvc doesn't have any special linker flag to select static libs (no env['STLIB_MARKER'])
	"""
	libn = self.libname_msvc(libname, is_static)

	if not uselib_store:
		uselib_store = libname.upper()

	if False and is_static: # disabled
		self.env['STLIB_' + uselib_store] = [libn]
	else:
		self.env['LIB_' + uselib_store] = [libn]

@conf
def check_libs_msvc(self, libnames, is_static=False):
	for libname in Utils.to_list(libnames):
		self.check_lib_msvc(libname, is_static)

def configure(conf):
	"""
	Configuration methods to call for detecting msvc
	"""
	conf.autodetect()
	conf.find_msvc()
	conf.msvc_common_flags()
	conf.cc_load_tools()
	conf.cxx_load_tools()
	conf.cc_add_flags()
	conf.cxx_add_flags()
	conf.link_add_flags()
	conf.visual_studio_add_flags()

@conf
def no_autodetect(conf):
	conf.env.NO_MSVC_DETECT = 1
	configure(conf)

@conf
def autodetect(conf):
	v = conf.env
	if v.NO_MSVC_DETECT:
		return
	compiler, version, path, includes, libdirs = conf.detect_msvc()
	v['PATH'] = path
	v['INCLUDES'] = includes
	v['LIBPATH'] = libdirs
	v['MSVC_COMPILER'] = compiler
	try:
		v['MSVC_VERSION'] = float(version)
	except:
		v['MSVC_VERSION'] = float(version[:-3])

def _get_prog_names(conf, compiler):
	if compiler=='intel':
		compiler_name = 'ICL'
		linker_name = 'XILINK'
		lib_name = 'XILIB'
	else:
		# assumes CL.exe
		compiler_name = 'CL'
		linker_name = 'LINK'
		lib_name = 'LIB'
	return compiler_name, linker_name, lib_name

@conf
def find_msvc(conf):
	"""Due to path format limitations, limit operation only to native Win32. Yeah it sucks."""
	if sys.platform == 'cygwin':
		conf.fatal('MSVC module does not work under cygwin Python!')

	# the autodetection is supposed to be performed before entering in this method
	v = conf.env
	path = v['PATH']
	compiler = v['MSVC_COMPILER']
	version = v['MSVC_VERSION']

	compiler_name, linker_name, lib_name = _get_prog_names(conf, compiler)
	v.MSVC_MANIFEST = (compiler == 'msvc' and version >= 8) or (compiler == 'wsdk' and version >= 6) or (compiler == 'intel' and version >= 11)

	# compiler
	cxx = None
	if v['CXX']: cxx = v['CXX']
	elif 'CXX' in conf.environ: cxx = conf.environ['CXX']
	cxx = conf.find_program(compiler_name, var='CXX', path_list=path)
	cxx = conf.cmd_to_list(cxx)

	# before setting anything, check if the compiler is really msvc
	env = dict(conf.environ)
	if path: env.update(PATH = ';'.join(path))
	if not conf.cmd_and_log(cxx + ['/nologo', '/help'], env=env):
		conf.fatal('the msvc compiler could not be identified')

	# c/c++ compiler
	v['CC'] = v['CXX'] = cxx
	v['CC_NAME'] = v['CXX_NAME'] = 'msvc'

	# linker
	if not v['LINK_CXX']:
		link = conf.find_program(linker_name, path_list=path)
		if link: v['LINK_CXX'] = link
		else: conf.fatal('%s was not found (linker)' % linker_name)
		v['LINK'] = link

	if not v['LINK_CC']:
		v['LINK_CC'] = v['LINK_CXX']

	# staticlib linker
	if not v['AR']:
		stliblink = conf.find_program(lib_name, path_list=path, var='AR')
		if not stliblink: return
		v['ARFLAGS'] = ['/NOLOGO']

	# manifest tool. Not required for VS 2003 and below. Must have for VS 2005 and later
	if v.MSVC_MANIFEST:
		mt = conf.find_program('MT', path_list=path, var='MT')
		v['MTFLAGS'] = ['/NOLOGO']

	conf.load('winres')

	if not conf.env['WINRC']:
		warn('Resource compiler not found. Compiling resource file is disabled')

@conf
def visual_studio_add_flags(self):
	"""visual studio flags found in the system environment"""
	v = self.env
	try: v.prepend_value('INCLUDES', self.environ['INCLUDE'].split(';')) # notice the 'S'
	except: pass
	try: v.prepend_value('LIBPATH', self.environ['LIB'].split(';'))
	except: pass

@conf
def msvc_common_flags(conf):
	"""
	Setup the flags required for executing the msvc compiler

	The default is to allow a static and a shared library having the same name in the same directory, the static one being prefixed by 'lib'. If you feel that this
	is incorrect, just change the extension (issue #824)::

		bld.env.STLIB_ST = bld.env.SHLIB_ST = '%s.lib'
		bld.stlib(..., name='libfoo')
		bld.shlib(..., name='foo')
	"""
	v = conf.env

	v['DEST_BINFMT'] = 'pe'
	v.append_value('CFLAGS', ['/nologo'])
	v.append_value('CXXFLAGS', ['/nologo'])
	v['DEFINES_ST']     = '/D%s'

	v['CC_SRC_F']     = ''
	v['CC_TGT_F']     = ['/c', '/Fo']
	if v['MSVC_VERSION'] >= 8:
		v['CC_TGT_F']= ['/FC'] + v['CC_TGT_F']
	v['CXX_SRC_F']    = ''
	v['CXX_TGT_F']    = ['/c', '/Fo']
	if v['MSVC_VERSION'] >= 8:
		v['CXX_TGT_F']= ['/FC'] + v['CXX_TGT_F']

	v['CPPPATH_ST']   = '/I%s' # template for adding include paths

	v['AR_TGT_F'] = v['CCLNK_TGT_F'] = v['CXXLNK_TGT_F'] = '/OUT:'

	# Subsystem specific flags
	v['CFLAGS_CONSOLE']   = v['CXXFLAGS_CONSOLE']   = ['/SUBSYSTEM:CONSOLE']
	v['CFLAGS_NATIVE']    = v['CXXFLAGS_NATIVE']    = ['/SUBSYSTEM:NATIVE']
	v['CFLAGS_POSIX']     = v['CXXFLAGS_POSIX']     = ['/SUBSYSTEM:POSIX']
	v['CFLAGS_WINDOWS']   = v['CXXFLAGS_WINDOWS']   = ['/SUBSYSTEM:WINDOWS']
	v['CFLAGS_WINDOWSCE'] = v['CXXFLAGS_WINDOWSCE'] = ['/SUBSYSTEM:WINDOWSCE']

	# CRT specific flags
	v['CFLAGS_CRT_MULTITHREADED']     = v['CXXFLAGS_CRT_MULTITHREADED']     = ['/MT']
	v['CFLAGS_CRT_MULTITHREADED_DLL'] = v['CXXFLAGS_CRT_MULTITHREADED_DLL'] = ['/MD']

	v['CFLAGS_CRT_MULTITHREADED_DBG']     = v['CXXFLAGS_CRT_MULTITHREADED_DBG']     = ['/MTd']
	v['CFLAGS_CRT_MULTITHREADED_DLL_DBG'] = v['CXXFLAGS_CRT_MULTITHREADED_DLL_DBG'] = ['/MDd']

	# linker
	v['LIB_ST']            = '%s.lib' # template for adding shared libs
	v['LIBPATH_ST']        = '/LIBPATH:%s' # template for adding libpaths
	v['STLIB_ST']          = 'lib%s.lib'
	v['STLIBPATH_ST']      = '/LIBPATH:%s'

	v.append_value('LINKFLAGS', ['/NOLOGO'])
	if v['MSVC_MANIFEST']:
		v.append_value('LINKFLAGS', ['/MANIFEST'])

	# shared library
	v['CFLAGS_cshlib']     = []
	v['CXXFLAGS_cxxshlib'] = []
	v['LINKFLAGS_cshlib']  = v['LINKFLAGS_cxxshlib'] = ['/DLL']
	v['cshlib_PATTERN']    = v['cxxshlib_PATTERN'] = '%s.dll'
	v['implib_PATTERN']    = '%s.lib'
	v['IMPLIB_ST']         = '/IMPLIB:%s'

	# static library
	v['LINKFLAGS_cstlib']  = []
	v['cstlib_PATTERN']    = v['cxxstlib_PATTERN'] = 'lib%s.lib'

	# program
	v['cprogram_PATTERN']  = v['cxxprogram_PATTERN']    = '%s.exe'


#######################################################################################################
##### conf above, build below

@after_method('apply_link')
@feature('c', 'cxx')
def apply_flags_msvc(self):
	"""
	Add additional flags implied by msvc, such as subsystems and pdb files::

		def build(bld):
			bld.stlib(source='main.c', target='bar', subsystem='gruik')
	"""
	if self.env.CC_NAME != 'msvc' or not getattr(self, 'link_task', None):
		return

	is_static = isinstance(self.link_task, ccroot.stlink_task)

	subsystem = getattr(self, 'subsystem', '')
	if subsystem:
		subsystem = '/subsystem:%s' % subsystem
		flags = is_static and 'ARFLAGS' or 'LINKFLAGS'
		self.env.append_value(flags, subsystem)

	if not is_static:
		for f in self.env.LINKFLAGS:
			d = f.lower()
			if d[1:] == 'debug':
				pdbnode = self.link_task.outputs[0].change_ext('.pdb')
				self.link_task.outputs.append(pdbnode)

				try:
					self.install_task.source.append(pdbnode)
				except AttributeError:
					pass

				break

# split the manifest file processing from the link task, like for the rc processing

@feature('cprogram', 'cshlib', 'cxxprogram', 'cxxshlib')
@after_method('apply_link')
def apply_manifest(self):
	"""
	Special linker for MSVC with support for embedding manifests into DLL's
	and executables compiled by Visual Studio 2005 or probably later. Without
	the manifest file, the binaries are unusable.
	See: http://msdn2.microsoft.com/en-us/library/ms235542(VS.80).aspx
	"""

	if self.env.CC_NAME == 'msvc' and self.env.MSVC_MANIFEST and getattr(self, 'link_task', None):
		out_node = self.link_task.outputs[0]
		man_node = out_node.parent.find_or_declare(out_node.name + '.manifest')
		self.link_task.outputs.append(man_node)
		self.link_task.do_manifest = True

def exec_mf(self):
	"""
	Create the manifest file
	"""
	env = self.env
	mtool = env['MT']
	if not mtool:
		return 0

	self.do_manifest = False

	outfile = self.outputs[0].abspath()

	manifest = None
	for out_node in self.outputs:
		if out_node.name.endswith('.manifest'):
			manifest = out_node.abspath()
			break
	if manifest is None:
		# Should never get here.  If we do, it means the manifest file was
		# never added to the outputs list, thus we don't have a manifest file
		# to embed, so we just return.
		return 0

	# embedding mode. Different for EXE's and DLL's.
	# see: http://msdn2.microsoft.com/en-us/library/ms235591(VS.80).aspx
	mode = ''
	if 'cprogram' in self.generator.features or 'cxxprogram' in self.generator.features:
		mode = '1'
	elif 'cshlib' in self.generator.features or 'cxxshlib' in self.generator.features:
		mode = '2'

	debug('msvc: embedding manifest in mode %r' % mode)

	lst = []
	lst.append(env['MT'])
	lst.extend(Utils.to_list(env['MTFLAGS']))
	lst.extend(['-manifest', manifest])
	lst.append('-outputresource:%s;%s' % (outfile, mode))

	lst = [lst]
	return self.exec_command(*lst)

def quote_response_command(self, flag):
	if flag.find(' ') > -1:
		for x in ('/LIBPATH:', '/IMPLIB:', '/OUT:', '/I'):
			if flag.startswith(x):
				flag = '%s"%s"' % (x, flag[len(x):])
				break
		else:
			flag = '"%s"' % flag
	return flag

def exec_response_command(self, cmd, **kw):
	# not public yet
	try:
		tmp = None
		if sys.platform.startswith('win') and isinstance(cmd, list) and len(' '.join(cmd)) >= 8192:
			program = cmd[0] #unquoted program name, otherwise exec_command will fail
			cmd = [self.quote_response_command(x) for x in cmd]
			(fd, tmp) = tempfile.mkstemp()
			os.write(fd, '\r\n'.join(i.replace('\\', '\\\\') for i in cmd[1:]).encode())
			os.close(fd)
			cmd = [program, '@' + tmp]
		# no return here, that's on purpose
		ret = self.generator.bld.exec_command(cmd, **kw)
	finally:
		if tmp:
			try:
				os.remove(tmp)
			except:
				pass # anti-virus and indexers can keep the files open -_-
	return ret

########## stupid evil command modification: concatenate the tokens /Fx, /doc, and /x: with the next token

def exec_command_msvc(self, *k, **kw):
	"""
	Change the command-line execution for msvc programs.
	Instead of quoting all the paths and keep using the shell, we can just join the options msvc is interested in
	"""
	if self.env['CC_NAME'] == 'msvc':
		if isinstance(k[0], list):
			lst = []
			carry = ''
			for a in k[0]:
				if a == '/Fo' or a == '/doc' or a[-1] == ':':
					carry = a
				else:
					lst.append(carry + a)
					carry = ''
			k = [lst]

		if self.env['PATH']:
			env = dict(os.environ)
			env.update(PATH = ';'.join(self.env['PATH']))
			kw['env'] = env

	bld = self.generator.bld
	try:
		if not kw.get('cwd', None):
			kw['cwd'] = bld.cwd
	except AttributeError:
		bld.cwd = kw['cwd'] = bld.variant_dir

	ret = self.exec_response_command(k[0], **kw)
	if not ret and getattr(self, 'do_manifest', None):
		ret = self.exec_mf()
	return ret

for k in 'c cxx cprogram cxxprogram cshlib cxxshlib cstlib cxxstlib'.split():
	cls = Task.classes.get(k, None)
	if cls:
		cls.exec_command = exec_command_msvc
		cls.exec_response_command = exec_response_command
		cls.quote_response_command = quote_response_command
		cls.exec_mf = exec_mf