File: ccroot.py

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#! /usr/bin/env python
# encoding: utf-8
# WARNING! All changes made to this file will be lost!

import sys
if sys.hexversion < 0x020400f0: from sets import Set as set
import os,sys,re
from waflib import TaskGen,Task,Utils,Logs,Build,Options,Node,Errors
from waflib.Logs import error,debug,warn
from waflib.TaskGen import after_method,before_method,feature,taskgen_method
from waflib.Tools import c_aliases,c_preproc,c_config,c_osx,c_tests
from waflib.Configure import conf
USELIB_VARS=Utils.defaultdict(set)
USELIB_VARS['c']=set(['INCLUDES','FRAMEWORKPATH','DEFINES','CPPFLAGS','CCDEPS','CFLAGS','ARCH'])
USELIB_VARS['cxx']=set(['INCLUDES','FRAMEWORKPATH','DEFINES','CPPFLAGS','CXXDEPS','CXXFLAGS','ARCH'])
USELIB_VARS['d']=set(['INCLUDES','DFLAGS'])
USELIB_VARS['cprogram']=USELIB_VARS['cxxprogram']=set(['LIB','STLIB','LIBPATH','STLIBPATH','LINKFLAGS','RPATH','LINKDEPS','FRAMEWORK','FRAMEWORKPATH','ARCH'])
USELIB_VARS['cshlib']=USELIB_VARS['cxxshlib']=set(['LIB','STLIB','LIBPATH','STLIBPATH','LINKFLAGS','RPATH','LINKDEPS','FRAMEWORK','FRAMEWORKPATH','ARCH'])
USELIB_VARS['cstlib']=USELIB_VARS['cxxstlib']=set(['ARFLAGS','LINKDEPS'])
USELIB_VARS['dprogram']=set(['LIB','STLIB','LIBPATH','STLIBPATH','LINKFLAGS','RPATH','LINKDEPS'])
USELIB_VARS['dshlib']=set(['LIB','STLIB','LIBPATH','STLIBPATH','LINKFLAGS','RPATH','LINKDEPS'])
USELIB_VARS['dstlib']=set(['ARFLAGS','LINKDEPS'])
USELIB_VARS['go']=set(['GOCFLAGS'])
USELIB_VARS['goprogram']=set(['GOLFLAGS'])
USELIB_VARS['asm']=set(['ASFLAGS'])
def create_compiled_task(self,name,node):
	out='%s.%d.o'%(node.name,self.idx)
	task=self.create_task(name,node,node.parent.find_or_declare(out))
	try:
		self.compiled_tasks.append(task)
	except AttributeError:
		self.compiled_tasks=[task]
	return task
def to_incnodes(self,inlst):
	lst=[]
	seen=set([])
	for x in self.to_list(inlst):
		if x in seen:
			continue
		seen.add(x)
		if isinstance(x,Node.Node):
			lst.append(x)
		else:
			if os.path.isabs(x):
				lst.append(self.bld.root.make_node(x)or x)
			else:
				if x[0]=='#':
					lst.append(self.bld.bldnode.make_node(x[1:]))
					lst.append(self.bld.srcnode.make_node(x[1:]))
				else:
					lst.append(self.path.get_bld().make_node(x))
					lst.append(self.path.make_node(x))
	return lst
def apply_incpaths(self):
	lst=self.to_incnodes(self.to_list(getattr(self,'includes',[]))+self.env['INCLUDES'])
	self.includes_nodes=lst
	self.env['INCPATHS']=[x.abspath()for x in lst]
class link_task(Task.Task):
	color='YELLOW'
	inst_to=None
	chmod=Utils.O644
	def add_target(self,target):
		if isinstance(target,str):
			pattern=self.env[self.__class__.__name__+'_PATTERN']
			if not pattern:
				pattern='%s'
			folder,name=os.path.split(target)
			if self.__class__.__name__.find('shlib')>0:
				if self.env.DEST_BINFMT=='pe'and getattr(self.generator,'vnum',None):
					name=name+'-'+self.generator.vnum.split('.')[0]
			tmp=folder+os.sep+pattern%name
			target=self.generator.path.find_or_declare(tmp)
		self.set_outputs(target)
class stlink_task(link_task):
	run_str='${AR} ${ARFLAGS} ${AR_TGT_F}${TGT} ${AR_SRC_F}${SRC}'
def rm_tgt(cls):
	old=cls.run
	def wrap(self):
		try:os.remove(self.outputs[0].abspath())
		except OSError:pass
		return old(self)
	setattr(cls,'run',wrap)
rm_tgt(stlink_task)
def apply_link(self):
	for x in self.features:
		if x=='cprogram'and'cxx'in self.features:
			x='cxxprogram'
		elif x=='cshlib'and'cxx'in self.features:
			x='cxxshlib'
		if x in Task.classes:
			if issubclass(Task.classes[x],link_task):
				link=x
				break
	else:
		return
	objs=[t.outputs[0]for t in getattr(self,'compiled_tasks',[])]
	self.link_task=self.create_task(link,objs)
	self.link_task.add_target(self.target)
	if getattr(self.bld,'is_install',None):
		try:
			inst_to=self.install_path
		except AttributeError:
			inst_to=self.link_task.__class__.inst_to
		if inst_to:
			self.install_task=self.bld.install_files(inst_to,self.link_task.outputs[:],env=self.env,chmod=self.link_task.chmod)
def use_rec(self,name,**kw):
	if name in self.seen_libs:
		return
	else:
		self.seen_libs.add(name)
	objects=kw.get('objects',True)
	stlib=kw.get('stlib',True)
	get=self.bld.get_tgen_by_name
	try:
		y=get(name)
	except Errors.WafError:
		self.uselib.append(name)
		return
	y.post()
	has_link=getattr(y,'link_task',None)
	is_static=has_link and isinstance(y.link_task,stlink_task)
	if getattr(self,'link_task',None):
		if has_link:
			if(not is_static)or(is_static and stlib):
				var=isinstance(y.link_task,stlink_task)and'STLIB'or'LIB'
				self.env.append_value(var,[y.target[y.target.rfind(os.sep)+1:]])
				self.link_task.set_run_after(y.link_task)
				self.link_task.dep_nodes.extend(y.link_task.outputs)
				tmp_path=y.link_task.outputs[0].parent.path_from(self.bld.bldnode)
				if not tmp_path in self.env[var+'PATH']:
					self.env.prepend_value(var+'PATH',[tmp_path])
		elif objects:
			for t in getattr(y,'compiled_tasks',[]):
				self.link_task.inputs.extend(t.outputs)
	for x in self.to_list(getattr(y,'use',[])):
		self.use_rec(x,objects=objects and not has_link,stlib=stlib and(is_static or not has_link))
	for v in self.to_list(getattr(y,'uselib',[])):
		if not self.env['STLIB_'+v]:
			if not v in self.uselib:
				self.uselib.insert(0,v)
	if getattr(y,'export_includes',None):
		self.includes.extend(y.to_incnodes(y.export_includes))
def process_use(self):
	self.uselib=self.to_list(getattr(self,'uselib',[]))
	self.includes=self.to_list(getattr(self,'includes',[]))
	names=self.to_list(getattr(self,'use',[]))
	self.seen_libs=set([])
	for x in names:
		self.use_rec(x)
def get_uselib_vars(self):
	_vars=set([])
	for x in self.features:
		if x in USELIB_VARS:
			_vars|=USELIB_VARS[x]
	return _vars
def propagate_uselib_vars(self):
	_vars=self.get_uselib_vars()
	env=self.env
	for x in _vars:
		y=x.lower()
		env.append_unique(x,self.to_list(getattr(self,y,[])))
	for x in self.features:
		for var in _vars:
			compvar='%s_%s'%(var,x)
			env.append_value(var,env[compvar])
	for x in self.to_list(getattr(self,'uselib',[])):
		for v in _vars:
			env.append_value(v,env[v+'_'+x])
def apply_implib(self):
	if not self.env.DEST_BINFMT=='pe':
		return
	dll=self.link_task.outputs[0]
	if isinstance(self.target,Node.Node):
		name=self.target.name
	else:
		name=os.path.split(self.target)[1]
	implib=self.env['implib_PATTERN']%name
	implib=dll.parent.find_or_declare(implib)
	self.env.append_value('LINKFLAGS',self.env['IMPLIB_ST']%implib.bldpath())
	self.link_task.outputs.append(implib)
	if getattr(self,'defs',None)and self.env.DEST_BINFMT=='pe':
		node=self.path.find_resource(self.defs)
		if not node:
			raise Errors.WafError('invalid def file %r'%self.defs)
		if'msvc'in(self.env.CC_NAME,self.env.CXX_NAME):
			self.env.append_value('LINKFLAGS','/def:%s'%node.path_from(self.bld.bldnode))
			self.link_task.dep_nodes.append(node)
		else:
			self.link_task.inputs.append(node)
	try:
		inst_to=self.install_path
	except AttributeError:
		inst_to=self.link_task.__class__.inst_to
	if not inst_to:
		return
	self.implib_install_task=self.bld.install_as('${PREFIX}/lib/%s'%implib.name,implib,self.env)
def apply_vnum(self):
	if not getattr(self,'vnum','')or os.name!='posix'or self.env.DEST_BINFMT not in('elf','mac-o'):
		return
	link=self.link_task
	nums=self.vnum.split('.')
	node=link.outputs[0]
	libname=node.name
	if libname.endswith('.dylib'):
		name3=libname.replace('.dylib','.%s.dylib'%self.vnum)
		name2=libname.replace('.dylib','.%s.dylib'%nums[0])
	else:
		name3=libname+'.'+self.vnum
		name2=libname+'.'+nums[0]
	if self.env.SONAME_ST:
		v=self.env.SONAME_ST%name2
		self.env.append_value('LINKFLAGS',v.split())
	tsk=self.create_task('vnum',node,[node.parent.find_or_declare(name2),node.parent.find_or_declare(name3)])
	if getattr(self.bld,'is_install',None):
		self.install_task.hasrun=Task.SKIP_ME
		bld=self.bld
		path=self.install_task.dest
		t1=bld.install_as(path+os.sep+name3,node,env=self.env)
		t2=bld.symlink_as(path+os.sep+name2,name3)
		t3=bld.symlink_as(path+os.sep+libname,name3)
		self.vnum_install_task=(t1,t2,t3)
class vnum(Task.Task):
	color='CYAN'
	quient=True
	ext_in=['.bin']
	def run(self):
		for x in self.outputs:
			path=x.abspath()
			try:
				os.remove(path)
			except OSError:
				pass
			try:
				os.symlink(self.inputs[0].name,path)
			except OSError:
				return 1
class fake_shlib(link_task):
	def runnable_status(self):
		for t in self.run_after:
			if not t.hasrun:
				return Task.ASK_LATER
		for x in self.outputs:
			x.sig=Utils.h_file(x.abspath())
		return Task.SKIP_ME
class fake_stlib(stlink_task):
	def runnable_status(self):
		for t in self.run_after:
			if not t.hasrun:
				return Task.ASK_LATER
		for x in self.outputs:
			x.sig=Utils.h_file(x.abspath())
		return Task.SKIP_ME
def read_shlib(self,name,paths=[]):
	return self(name=name,features='fake_lib',lib_paths=paths,lib_type='shlib')
def read_stlib(self,name,paths=[]):
	return self(name=name,features='fake_lib',lib_paths=paths,lib_type='stlib')
lib_patterns={'shlib':['lib%s.so','%s.so','lib%s.dll','%s.dll'],'stlib':['lib%s.a','%s.a','lib%s.dll','%s.dll','lib%s.lib','%s.lib'],}
def process_lib(self):
	node=None
	names=[x%self.name for x in lib_patterns[self.lib_type]]
	for x in self.lib_paths+[self.path,'/usr/lib64','/usr/lib','/usr/local/lib64','/usr/local/lib']:
		if not isinstance(x,Node.Node):
			x=self.bld.root.find_node(x)or self.path.find_node(x)
			if not x:
				continue
		for y in names:
			node=x.find_node(y)
			if node:
				node.sig=Utils.h_file(node.abspath())
				break
		else:
			continue
		break
	else:
		raise Errors.WafError('could not find library %r'%self.name)
	self.link_task=self.create_task('fake_%s'%self.lib_type,[],[node])
	self.target=self.name

taskgen_method(create_compiled_task)
taskgen_method(to_incnodes)
feature('c','cxx','d','go','asm','fc','includes')(apply_incpaths)
after_method('propagate_uselib_vars','process_source')(apply_incpaths)
feature('c','cxx','d','go','fc','asm')(apply_link)
after_method('process_source')(apply_link)
taskgen_method(use_rec)
feature('c','cxx','d','use','fc')(process_use)
before_method('apply_incpaths','propagate_uselib_vars')(process_use)
after_method('apply_link','process_source')(process_use)
taskgen_method(get_uselib_vars)
feature('c','cxx','d','fc','javac','cs','uselib')(propagate_uselib_vars)
after_method('process_use')(propagate_uselib_vars)
feature('cshlib','cxxshlib')(apply_implib)
after_method('apply_link')(apply_implib)
feature('cshlib','cxxshlib','dshlib','fcshlib','vnum')(apply_vnum)
after_method('apply_link')(apply_vnum)
conf(read_shlib)
conf(read_stlib)
feature('fake_lib')(process_lib)