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source: waflib/Tools/c_config.py @ 733aea2

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+

Last change on this file since 733aea2 was 0fa325b, checked in by Paul Brossier <piem@piem.org>, 11 years ago
waf: unpack
Property mode set to `100755`
File size: 21.6 KB

Rev	Line
[0fa325b]	1	#! /usr/bin/env python
	2	# encoding: utf-8
	3	# WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file
	4
	5	import os,re,shlex,sys
	6	from waflib import Build,Utils,Task,Options,Logs,Errors,ConfigSet,Runner
	7	from waflib.TaskGen import after_method,feature
	8	from waflib.Configure import conf
	9	WAF_CONFIG_H='config.h'
	10	DEFKEYS='define_key'
	11	INCKEYS='include_key'
	12	cfg_ver={'atleast-version':'>=','exact-version':'==','max-version':'<=',}
	13	SNIP_FUNCTION='''
	14	int main(int argc, char **argv) {
	15	void *p;
	16	(void)argc; (void)argv;
	17	p=(void*)(%s);
	18	return 0;
	19	}
	20	'''
	21	SNIP_TYPE='''
	22	int main(int argc, char **argv) {
	23	(void)argc; (void)argv;
	24	if ((%(type_name)s *) 0) return 0;
	25	if (sizeof (%(type_name)s)) return 0;
	26	return 1;
	27	}
	28	'''
	29	SNIP_EMPTY_PROGRAM='''
	30	int main(int argc, char **argv) {
	31	(void)argc; (void)argv;
	32	return 0;
	33	}
	34	'''
	35	SNIP_FIELD='''
	36	int main(int argc, char **argv) {
	37	char *off;
	38	(void)argc; (void)argv;
	39	off = (char) &((%(type_name)s)0)->%(field_name)s;
	40	return (size_t) off < sizeof(%(type_name)s);
	41	}
	42	'''
	43	MACRO_TO_DESTOS={'__linux__':'linux','__GNU__':'gnu','__FreeBSD__':'freebsd','__NetBSD__':'netbsd','__OpenBSD__':'openbsd','__sun':'sunos','__hpux':'hpux','__sgi':'irix','_AIX':'aix','__CYGWIN__':'cygwin','__MSYS__':'msys','_UWIN':'uwin','_WIN64':'win32','_WIN32':'win32','__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__':'darwin','__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__':'darwin','__QNX__':'qnx','__native_client__':'nacl'}
	44	MACRO_TO_DEST_CPU={'__x86_64__':'x86_64','__amd64__':'x86_64','__i386__':'x86','__ia64__':'ia','__mips__':'mips','__sparc__':'sparc','__alpha__':'alpha','__aarch64__':'aarch64','__thumb__':'thumb','__arm__':'arm','__hppa__':'hppa','__powerpc__':'powerpc','__ppc__':'powerpc','__convex__':'convex','__m68k__':'m68k','__s390x__':'s390x','__s390__':'s390','__sh__':'sh',}
	45	@conf
	46	def parse_flags(self,line,uselib_store,env=None,force_static=False):
	47	assert(isinstance(line,str))
	48	env=env or self.env
	49	app=env.append_value
	50	appu=env.append_unique
	51	lex=shlex.shlex(line,posix=False)
	52	lex.whitespace_split=True
	53	lex.commenters=''
	54	lst=list(lex)
	55	uselib=uselib_store
	56	while lst:
	57	x=lst.pop(0)
	58	st=x[:2]
	59	ot=x[2:]
	60	if st=='-I'or st=='/I':
	61	if not ot:ot=lst.pop(0)
	62	appu('INCLUDES_'+uselib,[ot])
	63	elif st=='-include':
	64	tmp=[x,lst.pop(0)]
	65	app('CFLAGS',tmp)
	66	app('CXXFLAGS',tmp)
	67	elif st=='-D'or(env.CXX_NAME=='msvc'and st=='/D'):
	68	if not ot:ot=lst.pop(0)
	69	app('DEFINES_'+uselib,[ot])
	70	elif st=='-l':
	71	if not ot:ot=lst.pop(0)
	72	prefix=force_static and'STLIB_'or'LIB_'
	73	appu(prefix+uselib,[ot])
	74	elif st=='-L':
	75	if not ot:ot=lst.pop(0)
	76	appu('LIBPATH_'+uselib,[ot])
	77	elif x.startswith('/LIBPATH:'):
	78	appu('LIBPATH_'+uselib,[x.replace('/LIBPATH:','')])
	79	elif x=='-pthread'or x.startswith('+')or x.startswith('-std'):
	80	app('CFLAGS_'+uselib,[x])
	81	app('CXXFLAGS_'+uselib,[x])
	82	app('LINKFLAGS_'+uselib,[x])
	83	elif x=='-framework':
	84	appu('FRAMEWORK_'+uselib,[lst.pop(0)])
	85	elif x.startswith('-F'):
	86	appu('FRAMEWORKPATH_'+uselib,[x[2:]])
	87	elif x.startswith('-Wl'):
	88	app('LINKFLAGS_'+uselib,[x])
	89	elif x.startswith('-m')or x.startswith('-f')or x.startswith('-dynamic'):
	90	app('CFLAGS_'+uselib,[x])
	91	app('CXXFLAGS_'+uselib,[x])
	92	elif x.startswith('-bundle'):
	93	app('LINKFLAGS_'+uselib,[x])
	94	elif x.startswith('-undefined'):
	95	arg=lst.pop(0)
	96	app('LINKFLAGS_'+uselib,[x,arg])
	97	elif x.startswith('-arch')or x.startswith('-isysroot'):
	98	tmp=[x,lst.pop(0)]
	99	app('CFLAGS_'+uselib,tmp)
	100	app('CXXFLAGS_'+uselib,tmp)
	101	app('LINKFLAGS_'+uselib,tmp)
	102	elif x.endswith('.a')or x.endswith('.so')or x.endswith('.dylib')or x.endswith('.lib'):
	103	appu('LINKFLAGS_'+uselib,[x])
	104	@conf
	105	def ret_msg(self,f,kw):
	106	if isinstance(f,str):
	107	return f
	108	return f(kw)
	109	@conf
	110	def validate_cfg(self,kw):
	111	if not'path'in kw:
	112	if not self.env.PKGCONFIG:
	113	self.find_program('pkg-config',var='PKGCONFIG')
	114	kw['path']=self.env.PKGCONFIG
	115	if'atleast_pkgconfig_version'in kw:
	116	if not'msg'in kw:
	117	kw['msg']='Checking for pkg-config version >= %r'%kw['atleast_pkgconfig_version']
	118	return
	119	if not'okmsg'in kw:
	120	kw['okmsg']='yes'
	121	if not'errmsg'in kw:
	122	kw['errmsg']='not found'
	123	if'modversion'in kw:
	124	if not'msg'in kw:
	125	kw['msg']='Checking for %r version'%kw['modversion']
	126	return
	127	for x in cfg_ver.keys():
	128	y=x.replace('-','_')
	129	if y in kw:
	130	if not'package'in kw:
	131	raise ValueError('%s requires a package'%x)
	132	if not'msg'in kw:
	133	kw['msg']='Checking for %r %s %s'%(kw['package'],cfg_ver[x],kw[y])
	134	return
	135	if not'msg'in kw:
	136	kw['msg']='Checking for %r'%(kw['package']or kw['path'])
	137	@conf
	138	def exec_cfg(self,kw):
	139	def define_it():
	140	self.define(self.have_define(kw.get('uselib_store',kw['package'])),1,0)
	141	if'atleast_pkgconfig_version'in kw:
	142	cmd=[kw['path'],'--atleast-pkgconfig-version=%s'%kw['atleast_pkgconfig_version']]
	143	self.cmd_and_log(cmd)
	144	if not'okmsg'in kw:
	145	kw['okmsg']='yes'
	146	return
	147	for x in cfg_ver:
	148	y=x.replace('-','_')
	149	if y in kw:
	150	self.cmd_and_log([kw['path'],'--%s=%s'%(x,kw[y]),kw['package']])
	151	if not'okmsg'in kw:
	152	kw['okmsg']='yes'
	153	define_it()
	154	break
	155	if'modversion'in kw:
	156	version=self.cmd_and_log([kw['path'],'--modversion',kw['modversion']]).strip()
	157	self.define('%s_VERSION'%Utils.quote_define_name(kw.get('uselib_store',kw['modversion'])),version)
	158	return version
	159	lst=[kw['path']]
	160	defi=kw.get('define_variable',None)
	161	if not defi:
	162	defi=self.env.PKG_CONFIG_DEFINES or{}
	163	for key,val in defi.items():
	164	lst.append('--define-variable=%s=%s'%(key,val))
	165	if'variables'in kw:
	166	env=kw.get('env',self.env)
	167	uselib=kw.get('uselib_store',kw['package'].upper())
	168	vars=Utils.to_list(kw['variables'])
	169	for v in vars:
	170	val=self.cmd_and_log(lst+['--variable='+v]).strip()
	171	var='%s_%s'%(uselib,v)
	172	env[var]=val
	173	if not'okmsg'in kw:
	174	kw['okmsg']='yes'
	175	return
	176	static=False
	177	if'args'in kw:
	178	args=Utils.to_list(kw['args'])
	179	if'--static'in args or'--static-libs'in args:
	180	static=True
	181	lst+=args
	182	lst.extend(Utils.to_list(kw['package']))
	183	ret=self.cmd_and_log(lst)
	184	if not'okmsg'in kw:
	185	kw['okmsg']='yes'
	186	define_it()
	187	self.parse_flags(ret,kw.get('uselib_store',kw['package'].upper()),kw.get('env',self.env),force_static=static)
	188	return ret
	189	@conf
	190	def check_cfg(self,k,*kw):
	191	if k:
	192	lst=k[0].split()
	193	kw['package']=lst[0]
	194	kw['args']=' '.join(lst[1:])
	195	self.validate_cfg(kw)
	196	if'msg'in kw:
	197	self.start_msg(kw['msg'])
	198	ret=None
	199	try:
	200	ret=self.exec_cfg(kw)
	201	except self.errors.WafError:
	202	if'errmsg'in kw:
	203	self.end_msg(kw['errmsg'],'YELLOW')
	204	if Logs.verbose>1:
	205	raise
	206	else:
	207	self.fatal('The configuration failed')
	208	else:
	209	kw['success']=ret
	210	if'okmsg'in kw:
	211	self.end_msg(self.ret_msg(kw['okmsg'],kw))
	212	return ret
	213	@conf
	214	def validate_c(self,kw):
	215	if not'env'in kw:
	216	kw['env']=self.env.derive()
	217	env=kw['env']
	218	if not'compiler'in kw and not'features'in kw:
	219	kw['compiler']='c'
	220	if env['CXX_NAME']and Task.classes.get('cxx',None):
	221	kw['compiler']='cxx'
	222	if not self.env['CXX']:
	223	self.fatal('a c++ compiler is required')
	224	else:
	225	if not self.env['CC']:
	226	self.fatal('a c compiler is required')
	227	if not'compile_mode'in kw:
	228	kw['compile_mode']='c'
	229	if'cxx'in Utils.to_list(kw.get('features',[]))or kw.get('compiler','')=='cxx':
	230	kw['compile_mode']='cxx'
	231	if not'type'in kw:
	232	kw['type']='cprogram'
	233	if not'features'in kw:
	234	kw['features']=[kw['compile_mode'],kw['type']]
	235	else:
	236	kw['features']=Utils.to_list(kw['features'])
	237	if not'compile_filename'in kw:
	238	kw['compile_filename']='test.c'+((kw['compile_mode']=='cxx')and'pp'or'')
	239	def to_header(dct):
	240	if'header_name'in dct:
	241	dct=Utils.to_list(dct['header_name'])
	242	return''.join(['#include <%s>\n'%x for x in dct])
	243	return''
	244	if'framework_name'in kw:
	245	fwkname=kw['framework_name']
	246	if not'uselib_store'in kw:
	247	kw['uselib_store']=fwkname.upper()
	248	if not kw.get('no_header',False):
	249	if not'header_name'in kw:
	250	kw['header_name']=[]
	251	fwk='%s/%s.h'%(fwkname,fwkname)
	252	if kw.get('remove_dot_h',None):
	253	fwk=fwk[:-2]
	254	kw['header_name']=Utils.to_list(kw['header_name'])+[fwk]
	255	kw['msg']='Checking for framework %s'%fwkname
	256	kw['framework']=fwkname
	257	if'function_name'in kw:
	258	fu=kw['function_name']
	259	if not'msg'in kw:
	260	kw['msg']='Checking for function %s'%fu
	261	kw['code']=to_header(kw)+SNIP_FUNCTION%fu
	262	if not'uselib_store'in kw:
	263	kw['uselib_store']=fu.upper()
	264	if not'define_name'in kw:
	265	kw['define_name']=self.have_define(fu)
	266	elif'type_name'in kw:
	267	tu=kw['type_name']
	268	if not'header_name'in kw:
	269	kw['header_name']='stdint.h'
	270	if'field_name'in kw:
	271	field=kw['field_name']
	272	kw['code']=to_header(kw)+SNIP_FIELD%{'type_name':tu,'field_name':field}
	273	if not'msg'in kw:
	274	kw['msg']='Checking for field %s in %s'%(field,tu)
	275	if not'define_name'in kw:
	276	kw['define_name']=self.have_define((tu+'_'+field).upper())
	277	else:
	278	kw['code']=to_header(kw)+SNIP_TYPE%{'type_name':tu}
	279	if not'msg'in kw:
	280	kw['msg']='Checking for type %s'%tu
	281	if not'define_name'in kw:
	282	kw['define_name']=self.have_define(tu.upper())
	283	elif'header_name'in kw:
	284	if not'msg'in kw:
	285	kw['msg']='Checking for header %s'%kw['header_name']
	286	l=Utils.to_list(kw['header_name'])
	287	assert len(l)>0,'list of headers in header_name is empty'
	288	kw['code']=to_header(kw)+SNIP_EMPTY_PROGRAM
	289	if not'uselib_store'in kw:
	290	kw['uselib_store']=l[0].upper()
	291	if not'define_name'in kw:
	292	kw['define_name']=self.have_define(l[0])
	293	if'lib'in kw:
	294	if not'msg'in kw:
	295	kw['msg']='Checking for library %s'%kw['lib']
	296	if not'uselib_store'in kw:
	297	kw['uselib_store']=kw['lib'].upper()
	298	if'stlib'in kw:
	299	if not'msg'in kw:
	300	kw['msg']='Checking for static library %s'%kw['stlib']
	301	if not'uselib_store'in kw:
	302	kw['uselib_store']=kw['stlib'].upper()
	303	if'fragment'in kw:
	304	kw['code']=kw['fragment']
	305	if not'msg'in kw:
	306	kw['msg']='Checking for code snippet'
	307	if not'errmsg'in kw:
	308	kw['errmsg']='no'
	309	for(flagsname,flagstype)in[('cxxflags','compiler'),('cflags','compiler'),('linkflags','linker')]:
	310	if flagsname in kw:
	311	if not'msg'in kw:
	312	kw['msg']='Checking for %s flags %s'%(flagstype,kw[flagsname])
	313	if not'errmsg'in kw:
	314	kw['errmsg']='no'
	315	if not'execute'in kw:
	316	kw['execute']=False
	317	if kw['execute']:
	318	kw['features'].append('test_exec')
	319	if not'errmsg'in kw:
	320	kw['errmsg']='not found'
	321	if not'okmsg'in kw:
	322	kw['okmsg']='yes'
	323	if not'code'in kw:
	324	kw['code']=SNIP_EMPTY_PROGRAM
	325	if self.env[INCKEYS]:
	326	kw['code']='\n'.join(['#include <%s>'%x for x in self.env[INCKEYS]])+'\n'+kw['code']
	327	if not kw.get('success'):kw['success']=None
	328	if'define_name'in kw:
	329	self.undefine(kw['define_name'])
	330	assert'msg'in kw,'invalid parameters, read http://freehackers.org/~tnagy/wafbook/single.html#config_helpers_c'
	331	@conf
	332	def post_check(self,k,*kw):
	333	is_success=0
	334	if kw['execute']:
	335	if kw['success']is not None:
	336	if kw.get('define_ret',False):
	337	is_success=kw['success']
	338	else:
	339	is_success=(kw['success']==0)
	340	else:
	341	is_success=(kw['success']==0)
	342	if'define_name'in kw:
	343	if'header_name'in kw or'function_name'in kw or'type_name'in kw or'fragment'in kw:
	344	if kw['execute']and kw.get('define_ret',None)and isinstance(is_success,str):
	345	self.define(kw['define_name'],is_success,quote=kw.get('quote',1))
	346	else:
	347	self.define_cond(kw['define_name'],is_success)
	348	else:
	349	self.define_cond(kw['define_name'],is_success)
	350	if'header_name'in kw:
	351	if kw.get('auto_add_header_name',False):
	352	self.env.append_value(INCKEYS,Utils.to_list(kw['header_name']))
	353	if is_success and'uselib_store'in kw:
	354	from waflib.Tools import ccroot
	355	_vars=set([])
	356	for x in kw['features']:
	357	if x in ccroot.USELIB_VARS:
	358	_vars\|=ccroot.USELIB_VARS[x]
	359	for k in _vars:
	360	lk=k.lower()
	361	if k=='INCLUDES':lk='includes'
	362	if k=='DEFINES':lk='defines'
	363	if lk in kw:
	364	val=kw[lk]
	365	if isinstance(val,str):
	366	val=val.rstrip(os.path.sep)
	367	self.env.append_unique(k+'_'+kw['uselib_store'],val)
	368	return is_success
	369	@conf
	370	def check(self,k,*kw):
	371	self.validate_c(kw)
	372	self.start_msg(kw['msg'])
	373	ret=None
	374	try:
	375	ret=self.run_c_code(k,*kw)
	376	except self.errors.ConfigurationError:
	377	self.end_msg(kw['errmsg'],'YELLOW')
	378	if Logs.verbose>1:
	379	raise
	380	else:
	381	self.fatal('The configuration failed')
	382	else:
	383	kw['success']=ret
	384	ret=self.post_check(k,*kw)
	385	if not ret:
	386	self.end_msg(kw['errmsg'],'YELLOW')
	387	self.fatal('The configuration failed %r'%ret)
	388	else:
	389	self.end_msg(self.ret_msg(kw['okmsg'],kw))
	390	return ret
	391	class test_exec(Task.Task):
	392	color='PINK'
	393	def run(self):
	394	if getattr(self.generator,'rpath',None):
	395	if getattr(self.generator,'define_ret',False):
	396	self.generator.bld.retval=self.generator.bld.cmd_and_log([self.inputs[0].abspath()])
	397	else:
	398	self.generator.bld.retval=self.generator.bld.exec_command([self.inputs[0].abspath()])
	399	else:
	400	env=self.env.env or{}
	401	env.update(dict(os.environ))
	402	for var in('LD_LIBRARY_PATH','DYLD_LIBRARY_PATH','PATH'):
	403	env[var]=self.inputs[0].parent.abspath()+os.path.pathsep+env.get(var,'')
	404	if getattr(self.generator,'define_ret',False):
	405	self.generator.bld.retval=self.generator.bld.cmd_and_log([self.inputs[0].abspath()],env=env)
	406	else:
	407	self.generator.bld.retval=self.generator.bld.exec_command([self.inputs[0].abspath()],env=env)
	408	@feature('test_exec')
	409	@after_method('apply_link')
	410	def test_exec_fun(self):
	411	self.create_task('test_exec',self.link_task.outputs[0])
	412	CACHE_RESULTS=1
	413	COMPILE_ERRORS=2
	414	@conf
	415	def run_c_code(self,k,*kw):
	416	lst=[str(v)for(p,v)in kw.items()if p!='env']
	417	h=Utils.h_list(lst)
	418	dir=self.bldnode.abspath()+os.sep+(not Utils.is_win32 and'.'or'')+'conf_check_'+Utils.to_hex(h)
	419	try:
	420	os.makedirs(dir)
	421	except OSError:
	422	pass
	423	try:
	424	os.stat(dir)
	425	except OSError:
	426	self.fatal('cannot use the configuration test folder %r'%dir)
	427	cachemode=getattr(Options.options,'confcache',None)
	428	if cachemode==CACHE_RESULTS:
	429	try:
	430	proj=ConfigSet.ConfigSet(os.path.join(dir,'cache_run_c_code'))
	431	except OSError:
	432	pass
	433	else:
	434	ret=proj['cache_run_c_code']
	435	if isinstance(ret,str)and ret.startswith('Test does not build'):
	436	self.fatal(ret)
	437	return ret
	438	bdir=os.path.join(dir,'testbuild')
	439	if not os.path.exists(bdir):
	440	os.makedirs(bdir)
	441	self.test_bld=bld=Build.BuildContext(top_dir=dir,out_dir=bdir)
	442	bld.init_dirs()
	443	bld.progress_bar=0
	444	bld.targets='*'
	445	if kw['compile_filename']:
	446	node=bld.srcnode.make_node(kw['compile_filename'])
	447	node.write(kw['code'])
	448	bld.logger=self.logger
	449	bld.all_envs.update(self.all_envs)
	450	bld.env=kw['env']
	451	o=bld(features=kw['features'],source=kw['compile_filename'],target='testprog')
	452	for k,v in kw.items():
	453	setattr(o,k,v)
	454	self.to_log("==>\n%s\n<=="%kw['code'])
	455	bld.targets='*'
	456	ret=-1
	457	try:
	458	try:
	459	bld.compile()
	460	except Errors.WafError:
	461	ret='Test does not build: %s'%Utils.ex_stack()
	462	self.fatal(ret)
	463	else:
	464	ret=getattr(bld,'retval',0)
	465	finally:
	466	proj=ConfigSet.ConfigSet()
	467	proj['cache_run_c_code']=ret
	468	proj.store(os.path.join(dir,'cache_run_c_code'))
	469	return ret
	470	@conf
	471	def check_cxx(self,k,*kw):
	472	kw['compiler']='cxx'
	473	return self.check(k,*kw)
	474	@conf
	475	def check_cc(self,k,*kw):
	476	kw['compiler']='c'
	477	return self.check(k,*kw)
	478	@conf
	479	def define(self,key,val,quote=True):
	480	assert key and isinstance(key,str)
	481	if val is True:
	482	val=1
	483	elif val in(False,None):
	484	val=0
	485	if isinstance(val,int)or isinstance(val,float):
	486	s='%s=%s'
	487	else:
	488	s=quote and'%s="%s"'or'%s=%s'
	489	app=s%(key,str(val))
	490	ban=key+'='
	491	lst=self.env['DEFINES']
	492	for x in lst:
	493	if x.startswith(ban):
	494	lst[lst.index(x)]=app
	495	break
	496	else:
	497	self.env.append_value('DEFINES',app)
	498	self.env.append_unique(DEFKEYS,key)
	499	@conf
	500	def undefine(self,key):
	501	assert key and isinstance(key,str)
	502	ban=key+'='
	503	lst=[x for x in self.env['DEFINES']if not x.startswith(ban)]
	504	self.env['DEFINES']=lst
	505	self.env.append_unique(DEFKEYS,key)
	506	@conf
	507	def define_cond(self,key,val):
	508	assert key and isinstance(key,str)
	509	if val:
	510	self.define(key,1)
	511	else:
	512	self.undefine(key)
	513	@conf
	514	def is_defined(self,key):
	515	assert key and isinstance(key,str)
	516	ban=key+'='
	517	for x in self.env['DEFINES']:
	518	if x.startswith(ban):
	519	return True
	520	return False
	521	@conf
	522	def get_define(self,key):
	523	assert key and isinstance(key,str)
	524	ban=key+'='
	525	for x in self.env['DEFINES']:
	526	if x.startswith(ban):
	527	return x[len(ban):]
	528	return None
	529	@conf
	530	def have_define(self,key):
	531	return(self.env.HAVE_PAT or'HAVE_%s')%Utils.quote_define_name(key)
	532	@conf
	533	def write_config_header(self,configfile='',guard='',top=False,env=None,defines=True,headers=False,remove=True,define_prefix=''):
	534	if env:
	535	Logs.warn('Cannot pass env to write_config_header')
	536	if not configfile:configfile=WAF_CONFIG_H
	537	waf_guard=guard or'W_%s_WAF'%Utils.quote_define_name(configfile)
	538	node=top and self.bldnode or self.path.get_bld()
	539	node=node.make_node(configfile)
	540	node.parent.mkdir()
	541	lst=['/* WARNING! All changes made to this file will be lost! */\n']
	542	lst.append('#ifndef %s\n#define %s\n'%(waf_guard,waf_guard))
	543	lst.append(self.get_config_header(defines,headers,define_prefix=define_prefix))
	544	lst.append('\n#endif /* %s */\n'%waf_guard)
	545	node.write('\n'.join(lst))
	546	self.env.append_unique(Build.CFG_FILES,[node.abspath()])
	547	if remove:
	548	for key in self.env[DEFKEYS]:
	549	self.undefine(key)
	550	self.env[DEFKEYS]=[]
	551	@conf
	552	def get_config_header(self,defines=True,headers=False,define_prefix=''):
	553	lst=[]
	554	if headers:
	555	for x in self.env[INCKEYS]:
	556	lst.append('#include <%s>'%x)
	557	if defines:
	558	for x in self.env[DEFKEYS]:
	559	if self.is_defined(x):
	560	val=self.get_define(x)
	561	lst.append('#define %s %s'%(define_prefix+x,val))
	562	else:
	563	lst.append('/* #undef %s */'%(define_prefix+x))
	564	return"\n".join(lst)
	565	@conf
	566	def cc_add_flags(conf):
	567	conf.add_os_flags('CPPFLAGS','CFLAGS')
	568	conf.add_os_flags('CFLAGS')
	569	@conf
	570	def cxx_add_flags(conf):
	571	conf.add_os_flags('CPPFLAGS','CXXFLAGS')
	572	conf.add_os_flags('CXXFLAGS')
	573	@conf
	574	def link_add_flags(conf):
	575	conf.add_os_flags('LINKFLAGS')
	576	conf.add_os_flags('LDFLAGS','LINKFLAGS')
	577	@conf
	578	def cc_load_tools(conf):
	579	if not conf.env.DEST_OS:
	580	conf.env.DEST_OS=Utils.unversioned_sys_platform()
	581	conf.load('c')
	582	@conf
	583	def cxx_load_tools(conf):
	584	if not conf.env.DEST_OS:
	585	conf.env.DEST_OS=Utils.unversioned_sys_platform()
	586	conf.load('cxx')
	587	@conf
	588	def get_cc_version(conf,cc,gcc=False,icc=False):
	589	cmd=cc+['-dM','-E','-']
	590	env=conf.env.env or None
	591	try:
	592	p=Utils.subprocess.Popen(cmd,stdin=Utils.subprocess.PIPE,stdout=Utils.subprocess.PIPE,stderr=Utils.subprocess.PIPE,env=env)
	593	p.stdin.write('\n')
	594	out=p.communicate()[0]
	595	except Exception:
	596	conf.fatal('Could not determine the compiler version %r'%cmd)
	597	if not isinstance(out,str):
	598	out=out.decode(sys.stdout.encoding or'iso8859-1')
	599	if gcc:
	600	if out.find('__INTEL_COMPILER')>=0:
	601	conf.fatal('The intel compiler pretends to be gcc')
	602	if out.find('__GNUC__')<0:
	603	conf.fatal('Could not determine the compiler type')
	604	if icc and out.find('__INTEL_COMPILER')<0:
	605	conf.fatal('Not icc/icpc')
	606	k={}
	607	if icc or gcc:
	608	out=out.splitlines()
	609	for line in out:
	610	lst=shlex.split(line)
	611	if len(lst)>2:
	612	key=lst[1]
	613	val=lst[2]
	614	k[key]=val
	615	def isD(var):
	616	return var in k
	617	def isT(var):
	618	return var in k and k[var]!='0'
	619	if not conf.env.DEST_OS:
	620	conf.env.DEST_OS=''
	621	for i in MACRO_TO_DESTOS:
	622	if isD(i):
	623	conf.env.DEST_OS=MACRO_TO_DESTOS[i]
	624	break
	625	else:
	626	if isD('__APPLE__')and isD('__MACH__'):
	627	conf.env.DEST_OS='darwin'
	628	elif isD('__unix__'):
	629	conf.env.DEST_OS='generic'
	630	if isD('__ELF__'):
	631	conf.env.DEST_BINFMT='elf'
	632	elif isD('__WINNT__')or isD('__CYGWIN__'):
	633	conf.env.DEST_BINFMT='pe'
	634	conf.env.LIBDIR=conf.env['PREFIX']+'/bin'
	635	elif isD('__APPLE__'):
	636	conf.env.DEST_BINFMT='mac-o'
	637	if not conf.env.DEST_BINFMT:
	638	conf.env.DEST_BINFMT=Utils.destos_to_binfmt(conf.env.DEST_OS)
	639	for i in MACRO_TO_DEST_CPU:
	640	if isD(i):
	641	conf.env.DEST_CPU=MACRO_TO_DEST_CPU[i]
	642	break
	643	Logs.debug('ccroot: dest platform: '+' '.join([conf.env[x]or'?'for x in('DEST_OS','DEST_BINFMT','DEST_CPU')]))
	644	if icc:
	645	ver=k['__INTEL_COMPILER']
	646	conf.env['CC_VERSION']=(ver[:-2],ver[-2],ver[-1])
	647	else:
	648	if isD('__clang__'):
	649	conf.env['CC_VERSION']=(k['__clang_major__'],k['__clang_minor__'],k['__clang_patchlevel__'])
	650	else:
	651	conf.env['CC_VERSION']=(k['__GNUC__'],k['__GNUC_MINOR__'],k['__GNUC_PATCHLEVEL__'])
	652	return k
	653	@conf
	654	def get_xlc_version(conf,cc):
	655	cmd=cc+['-qversion']
	656	try:
	657	out,err=conf.cmd_and_log(cmd,output=0)
	658	except Errors.WafError:
	659	conf.fatal('Could not find xlc %r'%cmd)
	660	for v in(r"IBM XL C/C\+\+.* V(?P<major>\d)\.(?P<minor>\d)",):
	661	version_re=re.compile(v,re.I).search
	662	match=version_re(out or err)
	663	if match:
	664	k=match.groupdict()
	665	conf.env['CC_VERSION']=(k['major'],k['minor'])
	666	break
	667	else:
	668	conf.fatal('Could not determine the XLC version.')
	669	@conf
	670	def add_as_needed(self):
	671	if self.env.DEST_BINFMT=='elf'and'gcc'in(self.env.CXX_NAME,self.env.CC_NAME):
	672	self.env.append_unique('LINKFLAGS','--as-needed')
	673	class cfgtask(Task.TaskBase):
	674	def display(self):
	675	return''
	676	def runnable_status(self):
	677	return Task.RUN_ME
	678	def uid(self):
	679	return Utils.SIG_NIL
	680	def run(self):
	681	conf=self.conf
	682	bld=Build.BuildContext(top_dir=conf.srcnode.abspath(),out_dir=conf.bldnode.abspath())
	683	bld.env=conf.env
	684	bld.init_dirs()
	685	bld.in_msg=1
	686	bld.logger=self.logger
	687	try:
	688	bld.check(**self.args)
	689	except Exception:
	690	return 1
	691	@conf
	692	def multicheck(self,k,*kw):
	693	self.start_msg(kw.get('msg','Executing %d configuration tests'%len(k)))
	694	class par(object):
	695	def __init__(self):
	696	self.keep=False
	697	self.cache_global=Options.cache_global
	698	self.nocache=Options.options.nocache
	699	self.returned_tasks=[]
	700	self.task_sigs={}
	701	def total(self):
	702	return len(tasks)
	703	def to_log(self,k,*kw):
	704	return
	705	bld=par()
	706	tasks=[]
	707	for dct in k:
	708	x=cfgtask(bld=bld)
	709	tasks.append(x)
	710	x.args=dct
	711	x.bld=bld
	712	x.conf=self
	713	x.args=dct
	714	x.logger=Logs.make_mem_logger(str(id(x)),self.logger)
	715	def it():
	716	yield tasks
	717	while 1:
	718	yield[]
	719	p=Runner.Parallel(bld,Options.options.jobs)
	720	p.biter=it()
	721	p.start()
	722	for x in tasks:
	723	x.logger.memhandler.flush()
	724	for x in tasks:
	725	if x.hasrun!=Task.SUCCESS:
	726	self.end_msg(kw.get('errmsg','no'),color='YELLOW')
	727	self.fatal(kw.get('fatalmsg',None)or'One of the tests has failed, see the config.log for more information')
	728	self.end_msg('ok')

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