emake.py

#! /usr/bin/env python3
# -*- coding: utf-8 -*-
#  vim: set ts=4 sw=4 tw=0 et :
#======================================================================
#
# emake.py - emake version 3.7.6
#
# history of this file:
# 2009.08.20   skywind   create this file
# 2009.11.14   skywind   new install() method
# 2009.12.22   skywind   implementation execute interface
# 2010.01.18   skywind   new project info
# 2010.03.14   skywind   fixed source lex bug
# 2010.11.03   skywind   new 'import' to import config section 
# 2010.11.04   skywind   new 'export' to export .def, .lib for windll
# 2010.11.27   skywind   fixed link sequence with -Xlink -( -)
# 2012.03.26   skywind   multiprocess building system, speed up
# 2012.08.18   skywind   new 'flnk' to project
# 2012.09.09   skywind   new system condition config, optimized
# 2013.12.19   skywind   new $(target) config
# 2014.02.09   skywind   new build-event and environ
# 2014.04.15   skywind   new 'arglink' and 'argcc' config
# 2015.09.03   skywind   new replace in config.parameters()
# 2016.01.14   skywind   new compile flags with different source file
# 2016.04.27   skywind   exit non-zero when error occurs
# 2016.09.01   skywind   new lib composite method
# 2016.09.02   skywind   more environ variables rather than $(target)
# 2017.08.16   skywind   new: cflag, cxxflag, sflag, mflag, mmflag
# 2017.12.20   skywind   new: --abs=1 to tell gcc to print fullpath
# 2022.04.03   changning new: update to Python3 
# 2023.09.20   skywind   new: --profile=debug/release options
# 2023.10.08   skywind   new: try "flag@debug: -g"
# 2023.12.07   skywind   new: "PATH" item in 'default' section
# 2024.05.06   skywind   new: "pkg: xxx" to import pkg-config packages
#
#======================================================================
from __future__ import unicode_literals, print_function
import sys
import time
import os

if sys.version_info.major == 2:
    import ConfigParser as configparser
    import cStringIO as cio 
    # pylint: disable=undefined-variable
    range = xrange   # noqa: F821
else:
    import configparser
    import io as cio
    unicode = str


#----------------------------------------------------------------------
# version info
#----------------------------------------------------------------------
EMAKE_VERSION = '3.7.6'
EMAKE_DATE = 'Sep.12 2024'


#----------------------------------------------------------------------
# posix shell tools
#----------------------------------------------------------------------
class posix (object):

    @staticmethod
    def load_file_content (filename, mode = 'r'):
        if hasattr(filename, 'read'):
            try: content = filename.read()
            except: pass
            return content
        try:
            fp = open(filename, mode)
            content = fp.read()
            fp.close()
        except:
            content = None
        return content

    # load file and guess encoding
    @staticmethod
    def load_file_text (filename, encoding = None):
        content = posix.load_file_content(filename, 'rb')
        if content is None:
            return None
        if content[:3] == b'\xef\xbb\xbf':
            text = content[3:].decode('utf-8')
        elif encoding is not None:
            text = content.decode(encoding, 'ignore')
        else:
            text = None
            guess = [sys.getdefaultencoding(), 'utf-8']
            if sys.stdout and sys.stdout.encoding:
                guess.append(sys.stdout.encoding)
            try:
                import locale
                guess.append(locale.getpreferredencoding())
            except:
                pass
            visit = {}
            for name in guess + ['gbk', 'ascii', 'latin1']:
                if name in visit:
                    continue
                visit[name] = 1
                try:
                    text = content.decode(name)
                    break
                except:
                    pass
            if text is None:
                text = content.decode('utf-8', 'ignore')
        return text

    @staticmethod
    def load_ini (filename, encoding = None):
        text = posix.load_file_text(filename, encoding)
        config = {}
        sect = 'default'
        if text is None:
            return None
        for line in text.split('\n'):
            line = line.strip('\r\n\t ')
            if not line:
                continue
            elif line[:1] in ('#', ';'):
                continue
            elif line.startswith('['):
                if line.endswith(']'):
                    sect = line[1:-1].strip('\r\n\t ')
                    if sect not in config:
                        config[sect] = {}
            else:
                pos = line.find('=')
                if pos >= 0:
                    key = line[:pos].rstrip('\r\n\t ')
                    val = line[pos + 1:].lstrip('\r\n\t ')
                    if sect not in config:
                        config[sect] = {}
                    config[sect][key] = val
        return config

    @staticmethod
    def decode_string (text, encoding = None):
        hr = ''
        if sys.version_info[0] >= 3:
            if isinstance(text, str):
                return text
        else:
            # pylint: disable-next=else-if-used
            if isinstance(text, unicode):  # noqa
                return text
        if encoding is not None:
            return text.decode(encoding, errors = 'ignore')
        guess = [sys.getdefaultencoding(), 'utf-8']
        if sys.stdout and sys.stdout.encoding:
            guess.append(sys.stdout.encoding)
        try:
            import locale
            guess.append(locale.getpreferredencoding())
        except:
            pass
        guess.reverse()
        guess += ['gbk', 'ascii', 'latin1']
        visit = {}
        for name in guess:
            if name in visit:
                continue
            visit[name] = 1
            try:
                hr = text.decode(name)
                return hr
                break
            except:
                pass
        hr = text.decode('utf-8', errors = 'ignore')
        return hr


#----------------------------------------------------------------------
# preprocessor: C/C++/Java 预处理器
#----------------------------------------------------------------------
class preprocessor(object):

    # 初始化预编译器
    def __init__ (self):
        self.reset()

    # 生成正文映射，将所有字符串及注释用 "$"和 "`"代替，排除分析干扰
    def preprocess (self, text):
        content = text
        spaces = (' ', '\n', '\t', '\r')
        
        srctext = cio.StringIO()
        srctext.write(text)
        srctext.seek(0)
        memo = 0
        i = 0
        length = len(content)
        output = srctext.write
        while i < length:
            char = content[i]
            word = content[i:i + 2]
            if memo == 0:       # 正文中
                if word == '/*':
                    output('``')
                    i += 2
                    memo = 1
                    continue
                if word == '//':
                    output('``')
                    i += 2
                    while (i < len(content)) and (content[i] != '\n'):
                        if content[i] in spaces:
                            output(content[i])
                            i = i + 1
                            continue                        
                        output('`')
                        i = i + 1
                    continue
                if char == '\"':
                    output('\"')
                    i += 1
                    memo = 2
                    continue
                if char == '\'':
                    output('\'')
                    i += 1
                    memo = 3
                    continue
                output(char)
            elif memo == 1:     # 注释中
                if word == '*/':
                    output('``')
                    i += 2
                    memo = 0
                    continue
                if char in spaces:
                    output(content[i])
                    i += 1
                    continue
                output('`')
            elif memo == 2:     # 字符串中
                if word == '\\\"':
                    output('$$')
                    i += 2
                    continue
                if word == '\\\\':
                    output('$$')
                    i += 2
                    continue
                if char == '\"':
                    output('\"')
                    i += 1
                    memo = 0
                    continue
                if char in spaces:
                    output(char)
                    i += 1
                    continue
                output('$')
            elif memo == 3:     # 字符中
                if word == '\\\'':
                    output('$$')
                    i += 2
                    continue
                if word == '\\\\':
                    output('$$')
                    i += 2
                    continue
                if char == '\'':
                    output('\'')
                    i += 1
                    memo = 0
                    continue
                if char in spaces:
                    output(char)
                    i += 1
                    continue
                output('$')
            i += 1
        srctext.truncate()
        return srctext.getvalue()

    # 查找单一文件的头文件引用情况
    def search_reference(self, source, heads):
        content = ''
        del heads[:]
        try:
            content = posix.load_file_text(source)
        except:
            return ''
        
        content = '\n'.join([ line.strip('\r\n') for line in content.split("\n") ])

        srctext = self.preprocess(content)

        length = len(srctext)
        start = 0
        endup = -1
        number = 0

        while (start >= 0) and (start < length):
            start = endup + 1
            endup = srctext.find('\n', start)
            if (endup < 0):
                endup = length
            number = number + 1

            offset1 = srctext.find('#', start, endup)
            if offset1 < 0: continue
            offset2 = srctext.find('include', offset1, endup)
            if offset2 < 0: continue
            offset3 = srctext.find('\"', offset2, endup)
            if offset3 < 0: continue
            offset4 = srctext.find('\"', offset3 + 1, endup)
            if offset4 < 0: continue

            check_range = [ i for i in range(start, offset1) ]
            check_range += [ i for i in range(offset1 + 1, offset2) ]
            check_range += [ i for i in range(offset2 + 7, offset3) ]
            check = 1

            for i in check_range:
                if not (srctext[i] in (' ', '`')):
                    check = 0
                    break

            if check != 1:
                continue
            
            name = content[offset3 + 1:offset4]
            heads.append([name, offset1, offset4, number])

        return content

    # 合并引用的所有头文件，并返回文件依赖，及找不到的头文件
    def parse_source(self, filename, history_headers, lost_headers):
        headers = []
        filename = os.path.abspath(filename)
        
        outtext = cio.StringIO()
        if not os.path.exists(filename):
            sys.stderr.write('can not open %s\n'%(filename))
            return outtext.getvalue()
        if filename in self._references:
            content, headers = self._references[filename]
        else:
            content = self.search_reference(filename, headers)
            self._references[filename] = content, headers
        save_cwd = os.getcwd()
        file_cwd = os.path.dirname(filename)
        if file_cwd == '':
            file_cwd = '.'
        os.chdir(file_cwd)
        available = []
        for head in headers:
            if os.path.exists(head[0]):
                available.append(head)
        headers = available
        offset = 0
        for head in headers:
            name = os.path.abspath(os.path.normcase(head[0]))
            if not (name in history_headers):
                history_headers.append(name)
                position = len(history_headers) - 1
                text = self.parse_source(name, history_headers, lost_headers)
                del history_headers[position]
                history_headers.append(name)
                outtext.write(content[offset:head[1]] + '\n')
                outtext.write('/*:: <%s> ::*/\n'%(head[0]))
                outtext.write(text + '\n/*:: </:%s> ::*/\n'%(head[0]))
                offset = head[2] + 1
            else:
                outtext.write(content[offset:head[1]] + '\n')
                outtext.write('/*:: skip including "%s" ::*/\n'%(head[0]))
                offset = head[2] + 1
        outtext.write(content[offset:])
        os.chdir(save_cwd)
        return outtext.getvalue()

    # 过滤代码注释
    def cleanup_memo (self, text):
        content = text
        outtext = ''
        srctext = self.preprocess(content)
        space = ( ' ', '\t', '`' )
        start = 0
        endup = -1
        sized = len(srctext)
        while (start >= 0) and (start < sized):
            start = endup + 1
            endup = srctext.find('\n', start)
            if endup < 0:
                endup = sized
            empty = 1
            memod = 0
            for i in range(start, endup):
                if not (srctext[i] in space):
                    empty = 0
                if srctext[i] == '`':
                    memod = 1
            if empty and memod:
                continue
            for i in range(start, endup):
                if srctext[i] != '`':
                    outtext = outtext + content[i]
            outtext = outtext + '\n'
        return outtext

    # 复位依赖关系
    def reset (self):
        self._references = {}
        return 0

    # 直接返回依赖
    def dependence (self, filename, reset = False):
        head = []
        lost = []
        if reset: self.reset()
        text = self.parse_source(filename, head, lost)
        return head, lost, text

    # 查询 Java的信息，返回：(package, imports, classname)
    def java_preprocess (self, text):
        text = self.preprocess(text)
        content = text.replace('\r', '')
        p1 = content.find('{')
        p2 = content.rfind('}')
        if p1 >= 0:
            if p2 < 0:
                p2 = len(content)
            content = content[:p1] + ';\n' + content[p2 + 1:]
        content = self.cleanup_memo(content).rstrip() + '\n'
        info = { 'package': None, 'import': [], 'class': None }
        for line in content.split(';'):
            line = line.replace('\n', ' ').strip()
            data = [ n.strip() for n in line.split() ]
            if len(data) < 2: continue
            name = data[0]
            if name == 'package':
                info['package'] = ''.join(data[1:])
            elif name == 'import':
                info['import'] += [''.join(data[1:])]
            elif 'class' in data or 'interface' in data:
                if 'extends' in data:
                    p = data.index('extends')
                    data = data[:p]
                if 'implements' in data:
                    p = data.index('implements')
                    data = data[:p]
                info['class'] = data[-1]
        return info['package'], info['import'], info['class']

    # returns: (package, imports, classname, srcpath)
    def java_parse (self, filename):
        try:
            text = open(filename).read()
        except:
            return None, None, None, None
        package, imports, classname = self.java_preprocess(text)
        if package is None:
            path = os.path.dirname(filename)
            return None, imports, classname, os.path.abspath(path)
        path = os.path.abspath(os.path.dirname(filename))
        if sys.platform[:3] == 'win':
            path = path.replace('\\', '/')
        names = package.split('.')
        root = path
        srcpath = None
        if sys.platform[:3] == 'win':
            root = root.lower()
            names = [n.lower() for n in names]
        while 1:
            part = os.path.split(root)
            name = names[-1]
            names = names[:-1]
            if name != part[1]:
                break
            if len(names) == 0:
                srcpath = part[0]
                break
            if root == part[0]:
                break
            root = part[0]
        return package, imports, classname, srcpath
    

#----------------------------------------------------------------------
# execute and capture
#----------------------------------------------------------------------
def execute(args, shell = False, capture = False):
    import sys, os
    parameters = []
    cmd = None
    os.shell_return = -1
    if not isinstance(args, list):
        import shlex
        cmd = args
        if sys.platform[:3] == 'win':
            ucs = False
            if sys.version_info[0] < 3:
                if not isinstance(cmd, str):
                    cmd = cmd.encode('utf-8')
                    ucs = True
            args = shlex.split(cmd.replace('\\', '\x00'))
            args = [ n.replace('\x00', '\\') for n in args ]
            if ucs:
                args = [ n.decode('utf-8') for n in args ]
        else:
            args = shlex.split(cmd)
    for n in args:
        if sys.platform[:3] != 'win':
            replace = { ' ':'\\ ', '\\':'\\\\', '\"':'\\\"', '\t':'\\t',
                '\n':'\\n', '\r':'\\r' }
            text = ''.join([ replace.get(ch, ch) for ch in n ])
            parameters.append(text)
        else:
            if (' ' in n) or ('\t' in n) or ('"' in n): 
                parameters.append('"%s"'%(n.replace('"', ' ')))
            else:
                parameters.append(n)
    if cmd is None:
        cmd = ' '.join(parameters)
    if sys.platform[:3] == 'win' and len(cmd) > 255:
        shell = False
    if shell and (not capture):
        os.shell_return = os.system(cmd)
        return b''
    elif (not shell) and (not capture):
        import subprocess
        if 'call' in subprocess.__dict__:
            os.shell_return = subprocess.call(args)
            return b''
    import subprocess
    if 'Popen' in subprocess.__dict__:
        p = subprocess.Popen(args, shell = shell,
                stdin = subprocess.PIPE, stdout = subprocess.PIPE, 
                stderr = subprocess.STDOUT)
        stdin, stdouterr = (p.stdin, p.stdout)
    else:
        p = None
        stdin, stdouterr = os.popen4(cmd)
    stdin.close()
    text = stdouterr.read()
    stdouterr.close()
    if p: p.wait()
    os.shell_return = -1
    if 'returncode' in p.__dict__:
        os.shell_return = p.returncode
    if not capture:
        sys.stdout.write(text)
        sys.stdout.flush()
        return b''
    return text



#----------------------------------------------------------------------
# Default CFG File
#----------------------------------------------------------------------
ININAME = ''
INIPATH = ''

CFG = {'abspath':False, 'verbose':False, 'silent':False}


#----------------------------------------------------------------------
# configure: 确定gcc位置并从配置读出默认设置
#----------------------------------------------------------------------
class configure(object):

    # 构造函数
    def __init__ (self, ininame = ''):
        self.dirpath = os.path.split(os.path.abspath(__file__))[0]
        self.current = os.getcwd()
        if not ininame:
            # pylint: disable=simplify-boolean-expression
            ininame = ININAME and ININAME or 'emake.ini'
        self.ininame = ininame
        self.inipath = os.path.join(self.dirpath, self.ininame)
        self.iniload = ''
        self.haveini = False
        self.dirhome = ''
        self.target = ''
        self.config = {}
        self.cp = configparser.ConfigParser()
        self.unix = 1
        self.xlink = 1
        self.searchdirs = None
        self.environ = {}
        self.exename = {}
        self.replace = {}
        self.cygwin = ''
        for n in os.environ:
            self.environ[n] = os.environ[n]
        if sys.platform[:3] == 'win':
            self.unix = 0
            self.GetShortPathName = None
        if sys.platform[:6] == 'darwin':
            self.xlink = 0
        if sys.platform[:3] == 'aix':
            self.xlink = 0
        self.cpus = 0
        self.inited = False
        self.fpic = 0
        self.name = {}
        ext = ('.c', '.cpp', '.c', '.cc', '.cxx', '.s', '.asm', '.m', '.mm')
        self.extnames = ext
        self.__jdk_home = None
        self.profile = None
        self.reset()
    
    # reset all configure
    def reset (self):
        self.inc = {}         # include paths
        self.lib = {}         # lib paths
        self.flag = {}        # compile flags
        self.pdef = {}        # predefined macros
        self.link = {}        # libraries
        self.flnk = {}        # link flags
        self.wlnk = {}        # link pass
        self.cond = {}        # condition flags
        self.param_build = ''
        self.param_compile = ''
        return 0
    
    # initialize environment for command tool
    def _cmdline_init (self, envname):
        config = self._env_config('environ:' + envname)
        # print('config', config)
        output = []
        sep = self.unix and ':' or ';'
        PATH = config.get('PATH', '').strip().replace(';', ',')
        if self.unix:
            PATH = PATH.replace(':', ',')
        envpath = PATH + sep + self.environ.get('PATH', '')
        for path in envpath.split(sep):
            if path.strip('\r\n\t ') == '':
                continue
            path = os.path.abspath(path)
            if os.path.exists(path):
                if path not in output:
                    output.append(path)
        config['PATH'] = sep.join(output)
        for n in config:
            v = config[n]
            if n.strip():
                os.environ[n] = v
        os.environ['PATH'] = config['PATH']
        return 0
    
    # environment configuration for cmdline tool
    def _env_config (self, section):
        config = {}
        if section in self.config:
            for n in self.config[section]:
                config[n.upper()] = self.config[section][n]
        replace = {}
        replace['$(INIROOT)'] = os.path.dirname(self.iniload)
        replace['$(INIPATH)'] = os.path.abspath(self.iniload)
        replace['$(TARGET)'] = self.target
        for n in config:
            text = config[n]
            for key in replace:
                text = text.replace(key, replace[key])
            config[n] = text
        for n in config:
            config[n] = self._expand(config, self.environ, n)
        return config

    # expand macro
    def _expand (self, section, environ, item, d = 0):
        if not environ: environ = {}
        if not section: section = {}
        text = ''
        if item in environ:
            text = environ[item]
        if item in section:
            text = section[item]
        if d >= 20: return text
        names = {}
        index = 0
        # print('expanding', item)
        while 1:
            index = text.find('$(', index)
            if index < 0: break
            p2 = text.find(')', index)
            if p2 < 0: break
            name = text[index + 2:p2]
            index = p2 + 1
            names[name] = name.upper()
        for name in names:
            if name != item:
                value = self._expand(section, environ, name.upper(), d + 1)
            elif name in environ:
                value = environ[name]
            else:
                value = ''
            text = text.replace('$(' + name + ')', value)
            names[name] = value
        # print('>', text)
        return text
    
    # calculate short path name
    def pathshort (self, path):
        path = os.path.abspath(path)
        if self.unix:
            return path
        if not self.GetShortPathName:
            self.kernel32 = None
            self.textdata = None
            try:
                import ctypes
                self.kernel32 = ctypes.windll.LoadLibrary("kernel32.dll")
                self.textdata = ctypes.create_string_buffer('\000' * 1024)
                self.GetShortPathName = self.kernel32.GetShortPathNameA
                args = [ ctypes.c_char_p, ctypes.c_char_p, ctypes.c_int ]
                self.GetShortPathName.argtypes = args
                self.GetShortPathName.restype = ctypes.c_uint32
            except: pass
        if not self.GetShortPathName:
            return path
        retval = self.GetShortPathName(path, self.textdata, 1024)
        shortpath = self.textdata.value
        if retval <= 0:
            return ''
        return shortpath
    
    # read ini files
    def _readini (self, inipath):
        if '~' in inipath:
            inipath = os.path.expanduser(inipath)
        if os.path.exists(inipath):
            self.iniload = os.path.abspath(inipath)
            config = {}
            self.cp = posix.load_ini(inipath)
            if self.cp:
                for sect in self.cp:
                    for key, val in self.cp[sect].items():
                        lowsect, lowkey = sect.lower(), key.lower()
                        self.config.setdefault(lowsect, {})[lowkey] = val
                        config.setdefault(lowsect, {})[lowkey] = val
            self.config['default'] = self.config.get('default', {})
            config['default'] = config.get('default', {})
            inihome = os.path.abspath(os.path.split(inipath)[0])
            dirhome = config['default'].get('home', '')
            if dirhome:
                dirhome = os.path.join(inihome, dirhome)
                if not os.path.exists(dirhome):
                    sys.stderr.write('error: %s: %s not exists\n'%(inipath, dirhome))
                    sys.stderr.flush()
                else:
                    self.config['default']['home'] = dirhome
            for exename in ('gcc', 'ld', 'ar', 'as', 'nasm', 'yasm', 'dllwrap'):
                if exename not in config['default']:
                    continue
                self.exename[exename] = config['default'][exename]
            for exename in ('pkg-config', 'pkgconfig'):
                if exename not in config['default']:
                    continue
                self.exename['pkgconfig'] = config['default'][exename]
            for bp in ('include', 'lib'):
                if bp not in config['default']:
                    continue
                data = []
                for n in config['default'][bp].replace(';', ',').split(','):
                    n = os.path.normpath(os.path.join(inihome, self.pathconf(n)))
                    if not self.unix: n = n.replace('\\', '/')
                    data.append("'" + n + "'")
                text = ','.join(data)
                config['default'][bp] = text
                self.config['default'][bp] = text
            java = config['default'].get('java', '')
            if java:
                java = os.path.join(inihome, java)
                if not os.path.exists(java):
                    sys.stderr.write('error: %s: %s not exists\n'%(inipath, java))
                    sys.stderr.flush()
                else:
                    self.config['default']['java'] = os.path.abspath(java)
            self.haveini = True
        return 0

    # check dirhome
    def check (self):
        if not self.dirhome:
            sys.stderr.write('error: cannot find gcc home in config\n')
            sys.stderr.flush()
            sys.exit(1)
        return 0

    # init configure
    def init (self):
        if self.inited:
            return 0
        self.config = {}
        self.reset()
        fn = INIPATH
        self.iniload = os.path.abspath(self.inipath)
        if fn:
            if os.path.exists(fn):
                self._readini(fn)
                self.iniload = os.path.abspath(fn)
            else:
                sys.stderr.write('error: cannot open %s\n'%fn)
                sys.stderr.flush()
                sys.exit(1)
        else:
            if self.unix:
                self._readini('/etc/%s'%self.ininame)
                self._readini('/usr/local/etc/%s'%self.ininame)
            self._readini('~/.config/%s'%self.ininame)
            self._readini(self.inipath)
        self.dirhome = self._getitem('default', 'home', '')
        cfghome = self.dirhome
        if not self.haveini:
            #sys.stderr.write('warning: %s cannot be open\n'%(self.ininame))
            sys.stderr.flush()
        defined = self.exename.get('gcc', None) and True or False
        for name in ('gcc', 'ar', 'ld', 'as', 'nasm', 'yasm', 'dllwrap'):
            exename = self.exename.get(name, name)
            if not self.unix:
                elements = list(os.path.splitext(exename)) + ['', '']
                if not elements[1]: exename = elements[0] + '.exe'
            self.exename[name] = exename
        gcc = self.exename['gcc']
        p1 = os.path.join(self.dirhome, '%s.exe'%gcc)
        p2 = os.path.join(self.dirhome, '%s'%gcc)
        if (not os.path.exists(p1)) and (not os.path.exists(p2)):
            self.dirhome = ''
        if sys.platform[:3] != 'win':
            if self.dirhome[1:2] == ':':
                self.dirhome = ''
        if (not self.dirhome) and (not cfghome):
            self.dirhome = self.__search_gcc()
            if (not self.dirhome) and (not defined):
                gcc = 'clang'
                self.exename['gcc'] = gcc
                self.dirhome = self.__search_gcc()
        if self.dirhome:
            self.dirhome = os.path.abspath(self.dirhome)
        try: 
            cpus = self._getitem('default', 'cpu', '')
            intval = int(cpus)
            self.cpus = intval
        except:
            pass
        cygwin = self._getitem('default', 'cygwin')
        self.cygwin = ''
        if cygwin and (not self.unix):
            if os.path.exists(cygwin):
                cygwin = os.path.abspath(cygwin)
                bash = os.path.join(cygwin, 'bin/bash.exe')
                if os.path.exists(bash):
                    self.cygwin = cygwin
        self.name = {}
        self.name[sys.platform.lower()] = 1
        if sys.platform[:3] == 'win':
            self.name['win'] = 1
        if sys.platform[:7] == 'freebsd':
            self.name['freebsd'] = 1
            self.name['unix'] = 1
        if sys.platform[:5] == 'linux':
            self.name['linux'] = 1
            self.name['unix'] = 1
        if sys.platform[:6] == 'darwin':
            self.name['darwin'] = 1
            self.name['unix'] = 1
        if sys.platform == 'cygwin':
            self.name['unix'] = 1
        if sys.platform[:5] == 'sunos':
            self.name['sunos'] = 1
        if os.name == 'posix':
            self.name['unix'] = 1
        if os.name == 'nt':
            self.name['win'] = 1
        if 'win' in self.name:
            self.name['nt'] = 1
        self.target = self._getitem('default', 'target').strip()
        if not self.target:
            self.target = sys.platform
        self.name[self.target] = 1
        names = self._getitem('default', 'name').strip()
        if names:
            self.name = {}
            for name in names.replace(';', ',').split(','):
                name = name.strip('\r\n\t ').lower()
                if not name: continue
                self.name[name] = 1
        if sys.platform[:3] in ('win', 'cyg'):
            self.fpic = False
        else:
            self.fpic = True
        #self.__python_config()
        self.replace = {}
        self.replace['home'] = self.dirhome
        self.replace['emake'] = self.dirpath
        self.replace['inihome'] = os.path.dirname(self.iniload)
        self.replace['inipath'] = self.inipath
        self.replace['target'] = self.target
        self.replace['profile'] = self.profile
        self._reset_path()
        self._reset_environ()
        self.inited = True
        return 0

    # read configuration
    def _getitem (self, sect, key, default = ''):
        return self.config.get(sect, {}).get(key, default)
    
    # reset $PATH
    def _reset_path (self):
        PATH = self._getitem('default', 'path', '').strip()
        if not PATH:
            return -1
        sep = self.unix and ':' or ';'
        pathout = []
        PATH = PATH.replace(';', ',')
        if self.unix:
            PATH = PATH.replace(':', ',')
        for path in PATH.split(','):
            if os.path.isabs(path):
                pathout.append(path)
            elif os.path.exists(self.inipath):
                inihome = os.path.dirname(os.path.abspath(self.inipath))
                t = os.path.join(inihome, path)
                pathout.append(t)
        if 'PATH' not in CFG:
            CFG['PATH'] = os.environ.get('PATH', '')
        self._origin_os_path = CFG['PATH']
        finalize = []
        for path in pathout:
            finalize.append(path)
        t = sep.join(finalize)
        self._new_os_path = t + sep + os.environ.get('PATH', '')
        os.environ['PATH'] = self._new_os_path
        return 0

    # reset environment variables
    def _reset_environ (self):
        PKG_CONFIG_PATH = self._getitem('default', 'pcpath', '').strip()
        if PKG_CONFIG_PATH:
            os.environ['PKG_CONFIG_PATH'] = PKG_CONFIG_PATH
        ENVIRON = self._getitem('default', 'environ', '').strip()
        if ENVIRON:
            for item in ENVIRON.split(','):
                if not item: continue
                name, value = (item.split('=') + ['', ''])[:2]
                name, value = name.strip(), value.strip()
                if name:
                    os.environ[name] = value
        return 0

    # 取得替换了$(HOME)变量的路径
    def path (self, path):
        path = path.replace('$(HOME)', self.dirhome).replace('\\', '/')
        path = self.cygpath(path)
        text = ''
        issep = False
        for n in path:
            if n == '/':
                if issep is False: text += n
                issep = True
            else:
                text += n
                issep = False
        return os.path.abspath(text)
    
    # 取得可用于参数的文本路径
    def pathtext (self, name):
        name = os.path.normpath(name)
        name = self.cygpath(name)
        name = name.replace('"', '""')
        if ' ' in name:
            return '"%s"'%(name)
        if self.unix:
            name = name.replace('\\', '/')
        return name
    
    # 取得短路径：当前路径的相对路径
    def relpath (self, name, start = None):
        name = os.path.abspath(name)
        if not start:
            start = os.getcwd()
        if 'relpath' in os.path.__dict__:
            try:
                return os.path.relpath(name, start)
            except:
                pass
        current = start.replace('\\', '/')
        if len(current) > 0:
            if current[-1] != '/':
                current += '/'
        name = self.path(name).replace('\\', '/')
        size = len(current)
        if self.unix:
            if name[:size] == current:
                name = name[size:]
        else:
            if name[:size].lower() == current.lower():
                name = name[size:]
        return name

    # 取得短路径：当前路径的相对路径
    def pathrel (self, name, start = None):
        return self.pathtext(self.relpath(name, start))
    
    # 转换到cygwin路径
    def cygpath (self, path):
        if self.unix and path[1:2] == ':':
            path = '/cygdrive/%s%s'%(path[0], path[2:].replace('\\', '/'))
        return path
    
    # 转换到cygwin路径
    def win2cyg (self, path):
        path = os.path.abspath(path)
        return '/cygdrive/%s%s'%(path[0], path[2:].replace('\\', '/'))

    # 转换回cygwin路径
    def cyg2win (self, path):
        if path[1:2] == ':':
            return os.path.abspath(path)
        if path.lower().startswith('/cygdrive/'):
            path = path[10] + ':' + path[11:]
            return os.path.abspath(path)
        if not path.startswith('/'):
            raise Exception('cannot convert path: %s'%path)
        if not self.cygwin:
            raise Exception('cannot find cygwin root')
        return os.path.abspath(os.path.join(self.cygwin, path[1:]))

    # 添加头文件目录
    def push_inc (self, inc):
        path = self.path(inc)
        if not os.path.exists(path):
            sys.stderr.write('warning: ignore invalid path %s\n'%path)
            return -1
        path = self.pathtext(path)
        self.inc[path] = 1
        return 0
    
    # 添加库文件目录
    def push_lib (self, lib):
        path = self.path(lib)
        if not os.path.exists(path):
            sys.stderr.write('warning: ignore invalid path %s\n'%path)
            return -1
        path = self.pathtext(path)
        self.lib[path] = 1
        return 0
    
    # 添加参数
    def push_flag (self, flag):
        if flag not in self.flag:
            self.flag[flag] = len(self.flag)
        return 0
    
    # 添加链接库
    def push_link (self, link):
        if link[-2:].lower() in ('.o', '.a'):
            link = self.pathtext(self.path(link))
        else:
            link = '-l%s'%link.replace(' ', '_')
        if link not in self.link:
            self.link[link] = len(self.link)
        #print('push: ' + link)
        return 0
    
    # 添加预定义
    def push_pdef (self, define):
        self.pdef[define] = 1
    
    # 添加连接参数
    def push_flnk (self, flnk):
        if flnk not in self.flnk:
            self.flnk[flnk] = len(self.flnk)
        return 0
    
    # 添加链接传递
    def push_wlnk (self, wlnk):
        if wlnk not in self.wlnk:
            self.wlnk[wlnk] = len(self.wlnk)
        return 0

    # 添加条件参数
    def push_cond (self, flag, condition):
        key = (flag, condition)
        if key not in self.cond:
            self.cond[key] = len(self.cond)
        return 0

    # 搜索gcc
    def __search_gcc (self):
        dirpath = self.dirpath
        gcc = self.exename['gcc']
        splitter = self.unix and ':' or ';'
        if os.path.exists(os.path.join(dirpath, '%s'%gcc)):
            return os.path.abspath(dirpath)
        if os.path.exists(os.path.join(dirpath, 'bin/%s'%gcc)):
            return os.path.abspath(os.path.join(dirpath, 'bin'))
        for d in os.environ.get('PATH', '').split(splitter):
            n = os.path.abspath(os.path.join(d, '%s'%gcc))
            if os.path.exists(n): return os.path.abspath(d)
        if self.unix:
            if os.path.exists('/bin/%s'%gcc):
                return '/bin'
            if os.path.exists('/usr/bin/%s'%gcc):
                return '/usr/bin'
            if os.path.exists('/usr/local/bin/%s'%gcc):
                return '/usr/local/bin'
            if os.path.exists('/opt/bin/%s'%gcc):
                return '/opt/bin'
            if os.path.exists('/opt/usr/bin/%s'%gcc):
                return '/opt/usr/bin'
            if os.path.exists('/opt/usr/local/bin/%s'%gcc):
                return '/opt/usr/local/bin'
        return ''
    
    # 写默认的配置文件
    def _write_default_ini (self):
        default = '''   [default]
                        include=$(HOME)/include
                        lib=$(HOME)/lib
                '''
        text = '\n'.join([ n.strip('\t\r\n ') for n in default.split('\n') ])
        if os.path.exists(self.inipath):
            return -1
        fp = open(self.inipath, 'w')
        fp.write(text)
        fp.close()
        return 0
    
    # 配置路径
    def pathconf (self, path):
        path = path.strip(' \t\r\n')
        if path[:1] == '\'' and path[-1:] == '\'': path = path[1:-1]
        if path[:1] == '\"' and path[-1:] == '\"': path = path[1:-1]
        return path.strip(' \r\n\t')

    # _getitem with profile
    def __get_config (self, section, keyname):
        value = self._getitem(section, keyname, '')
        if self.profile:
            keyopt = '%s@%s'%(keyname, self.profile)
            valueopt = self._getitem(section, keyopt, '')
            if valueopt:
                value += ',' + valueopt
        return value

    # 刷新配置
    def loadcfg (self, profile, sect = 'default', reset = True):
        self.init()
        if reset: self.reset()
        self.profile = profile
        # f1 = lambda n: (n[:1] != '\'' or n[-1:] != '\'') and n
        config = lambda n: self.__get_config(sect, n)
        for path in config('include').replace(';', ',').split(','):
            path = self.pathconf(path)
            if not path: continue
            self.push_inc(path)
        for path in config('lib').replace(';', ',').split(','):
            path = self.pathconf(path)
            if not path: continue
            self.push_lib(path)
        for link in config('link').replace(';', ',').split(','):
            link = self.pathconf(link)
            if not link: continue
            self.push_link(link)
        for flag in config('flag').replace(';', ',').split(','):
            flag = flag.strip(' \t\r\n')
            if not flag: continue
            self.push_flag(flag)
        for pdef in config('define').replace(';', ',').split(','):
            pdef = pdef.strip(' \t\r\n')
            if not pdef: continue
            self.push_pdef(pdef.replace(' ', '_'))
        for flnk in config('flnk').replace(';', ',').split(','):
            flnk = flnk.strip(' \t\r\n')
            if not flnk: continue
            self.push_flnk(flnk)
        for wlnk in config('wlnk').replace(';', ',').split(','):
            wlnk = wlnk.strip(' \t\r\n')
            if not wlnk: continue
            self.push_wlnk(wlnk)
        for name in ('cflag', 'cxxflag', 'mflag', 'mmflag', 'sflag'):
            for flag in config(name).replace(';', ',').split(','):
                flag = flag.strip(' \t\r\n')
                if not flag: continue
                self.push_cond(flag, name)
        self.parameters()
        return 0
    
    # 按字典值顺序取出配置
    def sequence (self, data):
        x = [ (n, k) for (k, n) in data.items() ]
        x.sort()
        y = [ n for (k, n) in x ]
        return y
    
    # 替换字符串 
    def __replace_key (self, text):
        for key in self.replace:
            value = self.replace[key]
            check = '$(' + key + ')'
            if check in text:
                text = text.replace(check, value)
        return text

    # 返回条件参数
    def condition (self, conditions):
        flags = []
        for flag, cond in self.sequence(self.cond):
            if cond in conditions:
                flags.append(flag)
        return flags

    # 返回序列化的参数  
    def parameters (self):
        text = ''
        for inc in self.sequence(self.inc):
            text += '-I%s '%inc
        for lib in self.sequence(self.lib):
            text += '-L%s '%lib
        for flag in self.sequence(self.flag):
            text += '%s '%self.__replace_key(flag)
        for pdef in self.sequence(self.pdef):
            text += '-D%s '%pdef
        self.param_compile = text.strip(' ')
        text = ''
        if self.xlink:
            text = '-Xlinker "-(" '
        for link in self.sequence(self.link):
            text += '%s '%self.__replace_key(link)
        if self.xlink:
            text += ' -Xlinker "-)"'
        else:
            text = text + ' ' + text
        self.param_build = self.param_compile + ' ' + text
        for flnk in self.sequence(self.flnk):
            self.param_build += ' %s'%self.__replace_key(flnk)
        wl = ','.join([ self.__replace_key(n) for n in self.sequence(self.wlnk) ])
        if wl and self.wlnk:
            self.param_build += ' -Wl,' + wl
        return text

    # gcc 的search-dirs
    def __searchdirs (self):
        if self.searchdirs is not None:
            return self.searchdirs
        path = os.path.abspath(os.path.join(self.dirhome, 'bin/gcc'))
        if not self.unix:
            name = self.pathshort(path)
            if (not name) and os.path.exists(path + '.exe'):
                name = self.pathshort(path + '.exe')
            if name: path = name
        cmdline = path + ' -print-search-dirs'
        fp = os.popen(cmdline, 'r')
        data = fp.read()
        fp.close()
        fp = None
        body = ''
        for line in data.split('\n'):
            if line[:10] == 'libraries:':
                body = line[10:].strip('\r\n ')
                if body[:1] == '=': body = body[1:]
                break
        part = []
        if sys.platform[:3] == 'win': part = body.split(';')
        else: part = body.split(':')
        data = []
        dict = {}
        for n in part:
            path = os.path.abspath(os.path.normpath(n))
            if path not in dict:
                if os.path.exists(path):
                    data.append(path)
                    dict[path] = 1
                else:
                    dict[path] = 0
        self.searchdirs = data
        return data
    
    # 检测库是否存在
    def checklib (self, name):
        name = 'lib' + name + '.a'
        for n in self.__searchdirs():
            if os.path.exists(os.path.join(n, name)):
                return True
        for n in self.lib:
            if os.path.exists(os.path.join(n, name)):
                return True
        return False
    
    # 取得可执行名称
    def getname (self, binname):
        exename = self.exename.get(binname, binname)
        path = os.path.abspath(os.path.join(self.dirhome, exename))
        if not self.unix:
            name = self.pathshort(path)
            if (not name) and os.path.exists(path + '.exe'):
                name = self.pathshort(path + '.exe')
            if name: path = name
        return path
    
    # execute GNU tools
    def execute (self, binname, parameters, printcmd = False, capture = False):
        path = os.path.abspath(os.path.join(self.dirhome, binname))
        if not self.unix:
            name = self.pathshort(path)
            if (not name) and os.path.exists(path + '.exe'):
                name = self.pathshort(path + '.exe')
            if name: path = name
        cmd = '%s %s'%(self.pathtext(path), parameters)
        #printcmd = True
        text = ''
        if printcmd:
            if not capture: print(cmd)
            else: text = cmd + '\n'
        sys.stdout.flush()
        sys.stderr.flush()
        os.shell_return = -1
        self.shell_return = -1
        output = execute(cmd, shell = False, capture = capture)
        self.shell_return = os.shell_return
        if sys.version_info[0] >= 3:
            if isinstance(output, bytes):
                output = posix.decode_string(output)
        text = text + output
        return text
    
    # execute gcc
    def gcc (self, parameters, needlink, printcmd = False, capture = False):
        param = self.param_build
        if not needlink:
            param = self.param_compile
        parameters = '%s %s'%(parameters, param)
        # printcmd = True
        return self.execute(self.exename['gcc'], parameters, printcmd, capture)

    # 根据扩展名取得额外的编译参数
    def cond_flags (self, srcname):
        extname = os.path.splitext(srcname)[-1].lower()
        extname = os.path.splitext(srcname)[-1].lower()
        cond = []
        if extname in ('.c', '.h'):
            cond = self.condition({'cflag':1})
        elif extname in ('.cpp', '.cc', '.cxx', '.hpp', '.hh'):
            cond = self.condition({'cxxflag':1})
        elif extname in ('.s', '.asm'):
            cond = self.condition({'sflag':1})
        elif extname in ('.m',):
            cond = self.condition({'mflag':1})
        elif extname in ('.mm',):
            cond = self.condition({'mmflag':1})
        return cond

    # 编译
    def compile (self, srcname, objname, cflags, printcmd = False, capture = False):
        if CFG['abspath']:
            srcname = self.pathtext(os.path.abspath(srcname))
        else:
            srcname = self.pathrel(srcname)
        cmd = '-c %s -o %s %s'%(srcname, self.pathrel(objname), cflags)
        cond = self.cond_flags(srcname)
        if cond:
            cmd = cmd + ' ' + (' '.join(cond))
        return self.gcc(cmd, False, printcmd, capture)

    # 取得编译参数
    def mm (self, srcname, cflags):
        if CFG['abspath']:
            srcname = self.pathtext(os.path.abspath(srcname))
        else:
            srcname = self.pathrel(srcname)
        cond = self.cond_flags(srcname)
        if cond:
            cflags = cflags + ' ' + (' '.join(cond))
        cmd = '-MM %s %s'%(srcname, cflags)
        hr = self.gcc(cmd, False, False, True)
        if os.shell_return != 0:
            return None
        return hr
    
    # 使用 dllwrap
    def dllwrap (self, parameters, printcmd = False, capture = False):
        text = ''
        for lib in self.sequence(self.lib):
            text += '-L%s '%lib
        for link in self.sequence(self.link):
            text += '%s '%link
        for flnk in self.sequence(self.flnk):
            text += '%s '%flnk
        parameters = '%s %s'%(parameters, text)
        dllwrap = self.exename.get('dllwrap', 'dllwrap')
        return self.execute(dllwrap, parameters, printcmd, capture)
    
    # call pkg-config
    def pkgconfig (self, parameters, printcmd = False, capture = False):
        pkgconfig = self.exename.get('pkgconfig', 'pkg-config')
        text = self.execute(pkgconfig, parameters, printcmd, capture)
        return self.shell_return, text

    # create lib file
    def makelib (self, output, objs = [], printcmd = False, capture = False):
        if 0:
            name = ' '.join([ self.pathrel(n) for n in objs ])
            parameters = 'crv %s %s'%(self.pathrel(output), name)
            return self.execute(self.exename['ar'], parameters, printcmd, capture)
        objs = [ n for n in objs ]
        for link in self.sequence(self.wlnk):
            if link[-2:] in ('.a', '.o'):
                if os.path.exists(link):
                    objs.append(link)
        return self.composite(output, objs, printcmd, capture)
    
    # create dynamic library: .so or .dll
    def makedll (self, output, objs = [], param = '', printcmd = False, capture = False):
        if (not param) or (self.unix):
            if sys.platform[:6] == 'darwin':
                param = '-dynamiclib'
            else:
                param = '--shared'
            if self.fpic:
                param += ' -fPIC'
            return self.makeexe(output, objs, param, printcmd, capture)
        else:
            name = ' '.join([ self.pathrel(n) for n in objs ])
            parameters = '%s -o %s %s'%(param, 
                self.pathrel(output), name)
            return self.dllwrap(parameters, printcmd, capture)
    
    # create executable file
    def makeexe (self, output, objs = [], param = '', printcmd = False, capture = False):
        name = ' '.join([ self.pathrel(n) for n in objs ])
        if self.xlink:
            name = '-Xlinker "-(" ' + name + ' -Xlinker "-)"'
        parameters = '-o %s %s %s'%(self.pathrel(output), param, name)
        return self.gcc(parameters, True, printcmd, capture)

    # merge .o and .a files into new .a file
    def composite (self, output, objs = [], printcmd = False, capture = False):
        import os, tempfile, shutil
        cwd = os.getcwd()
        temp = tempfile.mkdtemp('.int', 'lib')
        output = os.path.abspath(output)
        libname = []
        for name in [ os.path.abspath(n) for n in objs ]:
            if name not in libname:
                libname.append(name)
        outpath = os.path.join(temp, 'out')
        srcpath = os.path.join(temp, 'src')
        os.mkdir(outpath)
        os.mkdir(srcpath)
        os.chdir(srcpath)
        names = {}
        for source in libname:
            os.chdir(srcpath)
            for fn in [ n for n in os.listdir('.') ]:
                os.remove(fn)
            files = []
            filetype = os.path.splitext(source)[-1].lower()
            if filetype == '.o':
                files.append(source)
            else:
                args = '-x %s'%self.pathrel(source)
                self.execute(self.exename['ar'], args, printcmd, capture)
                for fn in os.listdir('.'):
                    files.append(os.path.abspath(fn))
            for fn in files:
                name = os.path.split(fn)[-1]
                part = os.path.splitext(name)
                last = None
                for i in range(1000):
                    newname = (i > 0) and (part[0] + '_%d'%i + part[1]) or name
                    if newname not in names:
                        last = newname
                        break
                if last and os.path.exists(fn):
                    names[last] = 1
                    shutil.copyfile(fn, os.path.join(outpath, last))
        os.chdir(outpath)
        argv = ['crv', self.pathrel(output)]
        args = ' '.join(argv + [self.pathrel(n) for n in names])
        try: os.remove(output)
        except: pass
        self.execute(self.exename['ar'], args, printcmd, capture)
        os.chdir(cwd)
        shutil.rmtree(temp)
        return 0

    # run tool
    def cmdtool (self, sectname, args, printcmd = False):
        envsave = [ (n, os.environ[n]) for n in os.environ ]
        self._cmdline_init(sectname)
        if isinstance(args, str):
            cmd = args
        elif isinstance(args, list) or isinstance(args, tuple):
            replace = { ' ':'\\ ', '\\':'\\\\', '\"':'\\\"', '\t':'\\t',
                '\n':'\\n', '\r':'\\r' }
            parameters = []
            for n in args:
                if self.unix:
                    text = ''.join([ replace.get(ch, ch) for ch in n ])
                    parameters.append(text)
                else:
                    if (' ' in n) or ('\t' in n) or ('"' in n): 
                        parameters.append('"%s"'%(n.replace('"', ' ')))
                    else:
                        parameters.append(n)
            cmd = ' '.join(parameters)
        if printcmd:
            print('>', cmd)
        sys.stdout.flush()
        sys.stderr.flush()
        code = os.system(cmd)
        envflag = {}
        remove = []
        for n, v in envsave:
            os.environ[n] = v
            envflag[n] = True
        for n in os.environ:
            if n not in envflag:
                remove.append(n)
        for n in remove:
            del os.environ[n]
        return code
    
    # 调用 Cygwin Bash
    def cygwin_bash (self, cmds, capture = False):
        import subprocess
        output = ''
        bashpath = self.pathshort(os.path.join(self.cygwin, 'bin/bash.exe'))
        if 'Popen' in subprocess.__dict__:
            args = [ bashpath, '--login' ]
            outmode = capture and subprocess.PIPE or None
            p = subprocess.Popen(args, shell = False, 
                stdin = subprocess.PIPE, stdout = outmode, 
                stderr = subprocess.STDOUT)
            stdin, stdouterr = (p.stdin, p.stdout)
            stdin.write(cmds + '\nexit\n')
            stdin.flush()
            if capture:
                output = stdouterr.read()
            p.wait()
        else:
            p = None
            stdin, stdouterr = os.popen4('%s --login'%bashpath, 'b')    
            stdin.write(cmds + '\nexit\n')
            stdin.flush()
            if not capture:
                while True:
                    output = stdouterr.readline()
                    if output == '':
                        break
                    sys.stdout.write(output + '\n')
                    sys.stdout.flush()
            else:
                output = stdouterr.read()
        stdin = None
        stdouterr = None
        return output
    
    # 运行 Cygwin 命令行
    def cygwin_execute (self, sect, exename, parameters = '', capture = 0):
        capture = capture and True or False
        sect = 'environ:' + sect.lower()
        home = self.win2cyg(os.getcwd())  # noqa: F841
        cmds = 'export LANG=C\n'
        if sect in self.config:
            for n in self.config[sect]:
                cmds += 'export %s="%s"\n'%(n.upper(), self.config[sect][n])
        cmds += 'cd "%s"\n'%self.win2cyg(os.getcwd())
        if exename:
            exename = self.win2cyg(exename)
            cmds += '"%s" %s\n'%(exename, parameters)
        else:
            cmds += '%s\n'%parameters
        if 0:
            print('-' * 72)
            print(cmds)
            print('-' * 72)
        os.environ['EMAKECYGWIN'] = '1'
        return self.cygwin_bash(cmds, capture)

    # 读取连接基准地址
    def readlink (self, fn):
        if not self.unix:
            return fn
        while True:
            try:
                f2 = os.readlink(fn)
                fn = f2
            except:
                break
        return fn

    # 搜索 Python开发路径
    def python_config (self):
        cflags = self._getitem('default', 'python_cflags', None)
        ldflags = self._getitem('default', 'python_ldflags', None)
        if cflags or ldflags:
            return (cflags.strip('\r\n\t '), ldflags.strip('\r\n\t '))
        pythoninc, pythonlib = [], []
        import distutils.sysconfig
        sysconfig = distutils.sysconfig
        inc1 = sysconfig.get_python_inc()
        inc2 = sysconfig.get_python_inc(plat_specific = True)
        pythoninc.append('-I' + self.pathtext(inc1))
        if inc2 != inc1:
            pythoninc.append('-I' + self.pathtext(inc2))
        pyver = sysconfig.get_config_var('VERSION')
        getvar = sysconfig.get_config_var
        if not pyver:
            v1, v2 = sys.version_info[:2]
            pyver = self.unix and '%s.%s'%(v1, v2) or '%s%s'%(v1, v2)
        lib1 = getvar('LIBS')
        pythonlib.extend(lib1 and lib1.split() or [])
        prefix = sys.prefix
        if os.path.exists(prefix):
            if not pythoninc:
                n1 = os.path.join(prefix, 'include/python%s'%pyver)
                n2 = os.path.join(prefix, 'include')
                if os.path.exists(n1 + '/Python.h'):
                    pythoninc.append('-I' + self.pathtext(n1))
                elif os.path.exists(n2 + '/Python.h'):
                    pythoninc.append('-I' + self.pathtext(n2))
            if not pythonlib:
                n1 = os.path.join(prefix, 'lib/python%s'%pyver)
                n2 = os.path.join(n1, 'config')
                n3 = os.path.join(prefix, 'libs')
                fn1 = 'libpython' + pyver + '.a'
                fn2 = 'libpython' + pyver + '.dll.a'
                done = False
                for ff in (fn1, fn2):
                    for nn in (n1, n2, n3):
                        if os.path.exists(nn + '/' + ff):
                            pythonlib.append('-L' + self.pathtext(nn))
                            done = True
                            break
                    if done:
                        break
        lib2 = getvar('SYSLIBS')
        pythonlib.extend(lib2 and lib2.split() or [])
        if not getvar('Py_ENABLE_SHARED'):
            if getvar('LIBPL'):
                pythonlib.insert(0, '-L' + getvar('LIBPL'))
        if not getvar('PYTHONFRAMEWORK'):
            if getvar('LINKFORSHARED'):
                pythonlib.extend(getvar('LINKFORSHARED').split())
        pythonlib.append('-lpython' + pyver)
        cflags = ' '.join(pythoninc)
        ldflags = ' '.join(pythonlib)
        return cflags, ldflags
    
    # 最终完成 java配置
    def __java_final (self, home):
        path = [ home ]
        subdir = []
        try:
            for sub in os.listdir(home):
                newpath = os.path.join(home, sub)
                if os.path.isdir(newpath):
                    import difflib
                    m = difflib.SequenceMatcher(None, sys.platform, sub)
                    subdir.append((m.ratio(), sub))
        except:
            pass
        subdir.sort()
        if subdir:
            path.append(os.path.join(home, subdir[-1][1]))
        return ' '.join([ '-I%s'%self.pathtext(n) for n in path ])

    # 取得 java配置
    def java_home (self):
        jdk = self._getitem('default', 'java', None)
        if jdk:
            jdk = os.path.abspath(jdk)
            if os.path.exists(os.path.join(jdk, 'include/jni.h')):
                return jdk
        jdk = os.environ.get('JAVA_HOME', None)
        if jdk:
            jdk = os.path.abspath(jdk)
            if os.path.exists(jdk):
                return jdk
        spliter = self.unix and ':' or ';'
        PATH = os.environ.get('PATH', '')
        for path in PATH.split(spliter):
            path = path.strip('\r\n\t ')
            if not os.path.exists(path):
                continue
            fn = os.path.join(path, 'javac')
            if not self.unix: fn += '.exe'
            if not os.path.exists(fn):
                continue
            fn = self.readlink(fn)
            if not os.path.exists(fn):
                continue
            pp = os.path.abspath(os.path.join(os.path.dirname(fn), '..'))
            pp = os.path.join(pp, 'include')
            if not os.path.exists(pp):
                continue
            jni = os.path.join(pp, 'jni.h')
            if os.path.exists(jni):
                pp = os.path.join(pp, '../')
                return os.path.abspath(pp)
        if self.unix:
            for i in range(20, 4, -1):
                n = '/usr/local/openjdk%d'%i
                if os.path.exists(os.path.join(n, 'include/jni.h')):
                    return os.path.abspath(n)
                n = '/usr/jdk/instances/jdk1.%d.0'%i
                if os.path.exists(os.path.join(n, 'include/jni.h')):
                    return os.path.abspath(n)
        return ''

    # 取得 java配置
    def java_config (self):
        cflags = self._getitem('default', 'java_cflags', None)
        if cflags:
            return cflags.strip('\r\n\t ')
        jdk = self.java_home()
        if not jdk:
            return ''
        return self.__java_final(os.path.join(jdk, 'include'))
    
    # 执行 java命令: cmd 为 java, javac, jar等
    def java_call (self, cmd, args = [], capture = False):
        if self.__jdk_home is None:
            self.__jdk_home = self.java_home()
        if not self.__jdk_home:
            sys.stderr.write('can not find java in $JAVA_HOME or $PATH\n')
            sys.stderr.flush()
            sys.exit(1)
            return None
        if not self.unix:
            ext = os.path.splitext(cmd)[-1].lower()
            if not ext:
                cmd += '.exe'
        cc = os.path.join(self.__jdk_home, 'bin/%s'%cmd)
        if not os.path.exists(cc):
            sys.stderr.write('can not find %s in %s\n'%(cmd, self.__jdk_home))
            sys.stderr.flush()
            sys.exit(1)
            return None
        cmd = cc
        if not self.unix:
            cmd = self.pathshort(cmd)
        cmds = [ cmd ]
        for n in args: 
            cmds.append(n)
        return execute(cmds, False, capture)
        

#----------------------------------------------------------------------
# coremake: 核心工程编译，提供 Compile/Link/Build
#----------------------------------------------------------------------
class coremake(object):
    
    # 构造函数
    def __init__ (self, ininame = ''):
        self.ininame = ininame
        self.config = configure(self.ininame)
        self.unix = self.config.unix
        self.inited = 0
        self.extnames = self.config.extnames
        self.envos = {}
        for k, v in os.environ.items():
            self.envos[k] = v
        self.reset()
    
    # 复位配置
    def reset (self):
        self.config.reset()
        self._out = ''      # 最终输出的文件，比如abc.exe
        self._int = ''      # 中间文件的目录
        self._main = ''     # 主文件(工程文件)
        self._mode = 'exe'  # exe win dll lib
        self._src = []      # 源代码
        self._obj = []      # 目标文件
        self._opt = []
        self._export = {}   # DLL导出配置
        self._environ = {}  # 环境变量
        self.inited = 0
        
    # 初始化：设置工程名字，类型，以及中间文件的目录
    def init (self, main, out = 'a.out', mode = 'exe', intermediate = '', profile = None):
        if mode not in ('exe', 'win', 'dll', 'lib'):
            raise Exception("mode must in ('exe', 'win', 'dll', 'lib')")
        self.reset()
        self.config.init()
        self.config.loadcfg(profile)
        self._main = os.path.abspath(main)
        self._mode = mode
        self._out = os.path.abspath(out)
        self._int = intermediate
        self._out = self.outname(self._out, mode)
    
    # 取得源文件对应的目标文件：给定源文件名和中间文件目录名
    def objname (self, srcname, intermediate = ''):
        part = os.path.splitext(srcname)
        ext = part[1].lower()
        if ext in self.extnames:
            if intermediate:
                name = os.path.join(intermediate, os.path.split(part[0])[-1])
                name = os.path.abspath(name + '.o')
            else:
                name = os.path.abspath(part[0] + '.o')
            return name
        if ext not in ('.o', '.obj'):
            raise Exception('unknow ext-type of %s\n'%srcname)
        return srcname
    
    # 取得输出文件的文件名
    def outname (self, output, mode = 'exe'):
        if mode not in ('exe', 'win', 'dll', 'lib'):
            raise Exception("mode must in ('exe', 'win', 'dll', 'lib')")
        part = os.path.splitext(os.path.abspath(output))
        output = part[0]
        if mode == 'exe':
            if self.unix == 0 and part[1] == '':
                output += '.exe'
            elif part[1]:
                output += part[1]
        elif mode == 'win':
            if self.unix == 0 and part[1] == '':
                output += '.exe'
            elif part[1]:
                output += part[1]
        elif mode == 'dll':
            if not part[1]: 
                if not self.unix: output += '.dll'
                else: output += '.so'
            else:
                output += part[1]
        elif mode == 'lib':
            if not part[1]: output += '.a'
            else: output += part[1]
        return output
    
    # 根据源文件列表取得目标文件列表
    def scan (self, sources, intermediate = ''):
        src2obj = {}
        obj2src = {}
        for src in sources:
            obj = self.objname(src, intermediate)
            if obj in obj2src:
                p1, p2 = os.path.splitext(obj)
                index = 1
                while True:
                    name = '%s%d%s'%(p1, index, p2)
                    if name not in obj2src:
                        obj = name
                        break
                    index += 1
            src2obj[src] = obj
            obj2src[obj] = src
        obj2src = None
        return src2obj
    
    # 添加源文件和目标文件
    def push (self, srcname, objname, options):
        self._src.append(os.path.abspath(srcname))
        self._obj.append(os.path.abspath(objname))
        self._opt.append(options)
    
    # 创建目录
    def mkdir (self, path):
        path = os.path.abspath(path)
        if os.path.exists(path):
            return 0
        name = ''
        part = os.path.abspath(path).replace('\\', '/').split('/')
        if self.unix:
            name = '/'
        if (not self.unix) and (path[1:2] == ':'):
            part[0] += '/'
        for n in part:
            name = os.path.abspath(os.path.join(name, n))
            if not os.path.exists(name):
                os.mkdir(name)
        return 0
    
    # 删除目录
    def remove (self, path):
        try: os.remove(path)
        except: pass
        if os.path.exists(path):
            sys.stderr.write('error: cannot remove \'%s\'\n'%path)
            sys.stderr.flush()
            sys.exit(0)
        return 0
    
    # DLL配置
    def dllwrap (self, name):
        if sys.platform[:3] != 'win':
            return -1
        if self._mode != 'dll':
            return -2
        name = name.lower()
        main = os.path.splitext(os.path.abspath(self._out))[0]
        main = os.path.split(main)[-1]
        main = os.path.abspath(os.path.join(self._int, main))
        if name == 'def':
            self._export['def'] = main + '.def'
        elif name == 'lib':
            self._export['lib'] = main + '.a'
        elif name in ('hidden', 'hide', 'none'):
            self._export['hide'] = 1
        elif name in ('msvc', 'MSVC'):
            self._export['def'] = main + '.def'
            self._export['msvc'] = main + '.lib'
            self._export['msvc64'] = 0
        elif name in ('msvc64', 'MSVC64'):
            self._export['def'] = main + '.def'
            self._export['msvc'] = main + '.lib'
            self._export['msvc64'] = 1
        return 0
    
    # DLL export的参数
    def _dllparam (self):
        defname = self._export.get('def', '')
        libname = self._export.get('lib', '')
        msvclib = self._export.get('msvc', '')  # noqa: F841
        hidden = self._export.get('hide', 0)
        if (not defname) and (not libname):
            return ''
        param = ''
        if not hidden: param += '--export-all '
        if defname:
            param += '--output-def %s '%self.config.pathrel(defname)
        if libname:
            param += '--implib %s '%self.config.pathrel(libname)
        return param
    
    # DLL 编译完成后的事情
    def _dllpost (self):
        defname = self._export.get('def', '')
        libname = self._export.get('lib', '')   # noqa: F841
        msvclib = self._export.get('msvc', '')
        dllname = self._out   # noqa: F841
        if not msvclib:
            return 0
        if not os.path.exists(defname):
            return -1
        machine = '/machine:i386'
        msvc64 = self._export.get('msvc64', 0)
        if msvc64:
            machine = '/machine:x64'
        defname = self.config.pathtext(self.config.pathrel(defname))
        msvclib = self.config.pathtext(self.config.pathrel(msvclib))
        parameters = '-nologo ' + machine + ' /def:' + defname
        parameters += ' /out:' + msvclib
        self.config.cmdtool('msvc', 'LIB.EXE ' + parameters, False)
        return 0
    
    # 单核编译：skipexist(是否需要跳过已有的obj文件)
    def _compile_single (self, skipexist, printmode, printcmd):
        retval = 0
        for i in range(len(self._src)):
            srcname = self._src[i]
            objname = self._obj[i]
            options = self._opt[i]
            if srcname == objname:
                continue
            if skipexist and os.path.exists(objname):
                continue
            try: os.remove(os.path.abspath(objname))
            except: pass
            if printmode & 1:
                name = self.config.pathrel(srcname)
                if name[:1] == '"':
                    name = name[1:-1]
                if CFG['abspath']:
                    name = os.path.abspath(srcname)
                print(name)
            self.config.compile(srcname, objname, options, printcmd)
            if not os.path.exists(objname):
                retval = -1
                break
        return retval
    
    # 多核编译：skipexist(是否需要跳过已有的obj文件)
    def _compile_threading (self, skipexist, printmode, printcmd, cpus):
        # 估算编译时间，文件越大假设时间越长，放在最前面
        ctasks = [ (os.path.getsize(s), s, o, t) for s, o, t in zip(self._src, self._obj, self._opt) ]
        ctasks.sort()
        import threading
        self._task_lock = threading.Lock()
        self._task_retval = 0
        self._task_finish = False
        self._task_queue = ctasks
        self._task_thread = []
        self._task_error = ''
        for n in range(cpus):
            parameters = (skipexist, printmode, printcmd, cpus - 1 - n)
            th = threading.Thread(target = self._compile_working_thread, args = parameters)
            self._task_thread.append(th)
        for th in self._task_thread:
            th.start()
        for th in self._task_thread:
            th.join()
        self._task_thread = None
        self._task_lock = None
        self._task_queue = None
        for objname in self._obj:
            if not os.path.exists(objname):
                self._task_retval = -1
                break
        return self._task_retval
    
    # 具体编译线程
    def _compile_working_thread (self, skipexist, printmode, printcmd, id):
        mutex = self._task_lock
        while True:
            weight, srcname, objname = 0, '', ''
            mutex.acquire()
            if self._task_finish:
                mutex.release()
                break
            if not self._task_queue:
                mutex.release()
                break
            weight, srcname, objname, options = self._task_queue.pop()
            mutex.release()
            if srcname == objname:
                continue
            if skipexist and os.path.exists(objname):
                continue
            try: os.remove(os.path.abspath(objname))
            except: pass
            timeslap = time.time()
            output = self.config.compile(srcname, objname, options, printcmd, True)
            timeslap = time.time() - timeslap
            result = True
            if not os.path.exists(objname):
                mutex.acquire()
                self._task_retval = -1
                self._task_finish = True
                mutex.release()
                result = False   # noqa: F841
            mutex.acquire()
            if printmode & 1:
                name = self.config.pathrel(srcname)
                if name[:1] == '"':
                    name = name[1:-1]
                if CFG['abspath']:
                    name = os.path.abspath(srcname)
                sys.stdout.write(name + '\n')
            if sys.platform[:3] == 'win':
                lines = [ x.rstrip('\r\n') for x in output.split('\n') ]
                output = '\n'.join(lines)
            sys.stdout.write(output)
            sys.stdout.flush()
            mutex.release()
            time.sleep(0.01)
        return 0

    # 编译：skipexist(是否需要跳过已有的obj文件)
    def compile (self, skipexist = False, printmode = 0, cpus = 0):
        self.config.check()
        self.mkdir(os.path.abspath(self._int))
        printcmd = False
        if printmode & 4:
            printcmd = True
        if printmode & 2:
            print('compiling ...')
        t = time.time()
        if cpus <= 1:
            retval = self._compile_single(skipexist, printmode, printcmd)
        else:
            retval = self._compile_threading(skipexist, printmode, printcmd, cpus)
        t = time.time() - t
        #print('time', t)
        return retval
    
    # 连接：(是否跳过已有的文件)
    def link (self, skipexist = False, printmode = 0):
        self.config.check()
        retval = 0   # noqa: F841
        printcmd = False
        if printmode & 4:
            printcmd = True
        if printmode & 2:
            print('linking ...')
        output = self._out
        if skipexist and os.path.exists(output):
            return output
        self.remove(output)
        self.mkdir(os.path.split(output)[0])
        if self._mode == 'exe':
            self.config.makeexe(output, self._obj, '', printcmd)
        elif self._mode == 'win':
            param = '-mwindows'
            self.config.makeexe(output, self._obj, param, printcmd)
        elif self._mode == 'dll':
            param = self._dllparam()
            self.config.makedll(output, self._obj, param, printcmd)
            if param and os.path.exists(output): 
                self._dllpost()
        elif self._mode == 'lib':
            self.config.makelib(output, self._obj, printcmd)
        if not os.path.exists(output):
            return ''
        return output
    
    # 执行编译事件
    def event (self, scripts):
        if not scripts:
            return False
        # 保存环境
        envsave = {}
        for k, v in os.environ.items(): 
            envsave[k] = v
        # 初始化环境
        environ = {}
        for k, v in self._environ.items():
            environ[k] = v
        environ['EMAKE_SCRIPT'] = os.path.abspath(__file__)
        environ['EMAKE_SCRIPT_PATH'] = os.path.dirname(os.path.abspath(__file__))
        environ['EMAKE_TOOLCHAIN'] = self.config.dirhome
        environ['EMAKE_OUT'] = self._out
        environ['EMAKE_INT'] = self._int
        environ['EMAKE_MAIN'] = self._main
        environ['EMAKE_PATH'] = os.path.dirname(self._main)
        environ['EMAKE_MODE'] = self._mode
        environ['EMAKE_HOME'] = os.path.dirname(self._main)
        environ['EMAKE_MAIN_NOEXT'] = os.path.splitext(self._main)[0]
        environ['EMAKE_MAIN_EXT'] = os.path.splitext(self._main)[1]
        environ['EMAKE_MAIN_PATH'] = os.path.dirname(self._main)
        environ['EMAKE_OUT_NOEXT'] = os.path.splitext(self._out)[0]
        environ['EMAKE_OUT_EXT'] = os.path.splitext(self._out)[1]
        environ['EMAKE_OUT_PATH'] = os.path.dirname(self._out)
        environ['EMAKE_TARGET'] = self.config.target
        for name in ('gcc', 'ar', 'ld', 'as', 'nasm', 'yasm', 'dllwrap'):
            environ['EMAKE_BIN_' + name.upper()] = self.config.getname(name)
        inipath = ''
        if INIPATH:
            if os.path.exists(INIPATH):
                inipath = INIPATH
        if not inipath:
            inipath = self.config.iniload
        environ['EMAKE_CONFIG'] = inipath
        for k, v in environ.items():    # 展开宏
            environ[k] = self.config._expand(environ, envsave, k)
        for k, v in environ.items():
            os.environ[k] = v
        # 执行应用
        workdir = os.path.dirname(self._main)
        savecwd = os.getcwd()
        for script in scripts:
            if savecwd != workdir: 
                os.chdir(workdir)
            os.system(script)
        os.chdir(savecwd)
        # 恢复环境
        for k, v in envsave.items():
            if os.environ.get(k) != v: 
                os.environ[k] = v
        for k in list(os.environ.keys()):
            if k not in envsave: 
                del os.environ[k]
        return True
    
    # 编译与连接
    def build (self, skipexist = False, printmode = 0):
        if self.compile(skipexist, printmode) != 0:
            return -1
        output = self.link(skipexist, printmode)
        if output == '':
            return -2
        return output



#----------------------------------------------------------------------
# iparser: 工程分析器，分析各种配置信息
#----------------------------------------------------------------------
class iparser (object):
    
    # 构造函数
    def __init__ (self, ininame = ''):
        self.preprocessor = preprocessor()
        self.coremake = coremake(ininame)
        self.config = self.coremake.config
        self.extnames = self.config.extnames
        self.reset()

    # 配置复位
    def reset (self):
        self.src = []
        self.inc = []
        self.lib = []
        self.imp = []
        self.exp = []
        self.link = []
        self.flag = []
        self.flnk = []
        self.wlnk = []
        self.cond = []
        self.pkg = []
        self.pkgflag = []
        self.environ = {}
        self.events = {}
        self.mode = 'exe'
        self.define = {}
        self.name = ''
        self.home = ''
        self.info = 3
        self.out = ''
        self.int = ''
        self.makefile = ''
        self.pending_check = []
        self.incdict = {}
        self.libdict = {}
        self.srcdict = {}
        self.chkdict = {}
        self.optdict = {}
        self.impdict = {}
        self.expdict = {}
        self.pkgdict = {}
        self.linkdict = {}
        self.flagdict = {}
        self.flnkdict = {}
        self.wlnkdict = {}
        self.conddict = {}
        self.profile = ''
        self.makefile = ''
    
    # 取得文件的目标文件名称
    def __getitem__ (self, key):
        return self.srcdict[key]
    
    # 取得模块个数
    def __len__ (self):
        return len(self.srcdict)
    
    # 检测是否包含模块
    def __contains__ (self, key):
        return (key in self.srcdict)
    
    # 取得迭代器
    def __iter__ (self):
        return self.src.__iter__()
    
    # 添加代码
    def push_src (self, filename, options):
        filename = os.path.abspath(filename)
        realname = os.path.normcase(filename)
        if filename in self.srcdict:    
            return -1
        if realname in self.chkdict:
            return -1
        self.srcdict[filename] = ''
        self.chkdict[realname] = filename
        self.optdict[filename] = options
        self.src.append(filename)
        return 0
    
    # 添加链接
    def push_link (self, linkname):
        if linkname in self.linkdict:
            return -1
        self.linkdict[linkname] = len(self.link)
        self.link.append(linkname)
        return 0
    
    # 添加头路径
    def push_inc (self, inc):
        if inc in self.incdict:
            return -1
        self.incdict[inc] = len(self.inc)
        self.inc.append(inc)
        return 0

    # 添加库路径
    def push_lib (self, lib):
        if lib in self.libdict:
            return -1
        self.libdict[lib] = len(self.lib)
        self.lib.append(lib)
        return 0
    
    # 添加参数
    def push_flag (self, flag):
        if flag in self.flagdict:
            return -1
        self.flagdict[flag] = len(self.flag)
        self.flag.append(flag)
        return 0
    
    # 添加宏定义
    def push_define (self, define, value = 1):
        self.define[define] = value
        return 0
    
    # 添加连接参数
    def push_flnk (self, flnk):
        if flnk in self.flnkdict:
            return -1
        self.flnkdict[flnk] = len(self.flnk)
        self.flnk.append(flnk)
        return 0

    # 添加连接传递
    def push_wlnk (self, wlnk):
        if wlnk in self.wlnkdict:
            return -1
        self.wlnkdict[wlnk] = len(self.wlnk)
        self.wlnk.append(wlnk)
        return 0

    # 添加条件编译
    def push_cond (self, flag, condition):
        key = (flag, condition)
        if key in self.conddict:
            return -1
        self.conddict[key] = len(self.cond)
        self.cond.append(key)
        return 0
    
    # new import
    def push_imp (self, name, fname = '', lineno = -1):
        if name in self.impdict:
            return -1
        self.impdict[name] = len(self.imp)
        self.imp.append((name, fname, lineno))
        return 0

    # new package
    def push_pkg (self, name, fname = '', lineno = -1):
        if name in self.pkgdict:
            return -1
        self.pkgdict[name] = len(self.pkg)
        self.pkg.append((name, fname, lineno))
        return 0
    
    # new export
    def push_exp (self, name, fname = '', lineno = -1):
        if name in self.expdict:
            return -1
        self.expdict[name] = len(self.exp)
        self.exp.append((name, fname, lineno))
        return 0

    # new pkgflag
    def push_pkgflag (self, name, fname = '', lineno = -1):
        self.pkgflag.append((name, fname, lineno))
    
    # 添加环境变量
    def push_environ (self, name, value):
        self.environ[name] = value
    
    # 添加编译事件
    def push_event (self, name, value):
        if name not in self.events:
            self.events[name] = []
        self.events[name].append(value)
    
    # 分析开始
    def parse (self, makefile, profile = None):
        self.reset()
        self.config.init()
        if profile:
            self.profile = profile
        makefile = os.path.abspath(makefile)
        self.makefile = makefile
        part = os.path.split(makefile)
        self.home = part[0]
        self.name = os.path.splitext(part[1])[0]
        if not os.path.exists(makefile):
            sys.stderr.write('error: %s cannot be open\n'%(makefile))
            sys.stderr.flush()
            return -1
        cfg = self.config.config.get('default', {})
        for name in ('prebuild', 'prelink', 'postbuild'):
            body = cfg.get(name, '').strip('\r\n\t ').split('&&')
            for script in body:
                script = script.strip('\r\n\t ')
                self.push_event(name, script)
        extname = os.path.splitext(makefile)[1].lower()
        if extname in ('.mak', '.em', '.emk', '.pyx', '.py'):
            if self.scan_makefile() != 0:
                return -3
        elif extname in self.extnames:
            if self.scan_mainfile() != 0:
                return -4
        else:
            sys.stderr.write('error: unknow file type of "%s"\n'%makefile)
            sys.stderr.flush()
            return -5
        if not self.out:
            self.out = os.path.splitext(makefile)[0]
        self.out = self.coremake.outname(self.out, self.mode)
        self._update_obj_names()
        return 0
    
    # 取得相对路径
    def pathrel (self, name, current = ''):
        if not current:
            current = os.getcwd()
        current = current.replace('\\', '/')
        if len(current) > 0:
            if current[-1] != '/':
                current += '/'
        name = self.path(name).replace('\\', '/')
        size = len(current)
        if name[:size] == current:
            name = name[size:]
        return name

    # 配置路径
    def pathconf (self, path):
        path = path.strip(' \r\n\t')
        if path[:1] == '\'' and path[-1:] == '\'': path = path[1:-1]
        if path[:1] == '\"' and path[-1:] == '\"': path = path[1:-1]
        return path.strip(' \r\n\t')
    
    # 扫描代码中 关键注释的工程信息
    def _scan_memo (self, filename, prefix = '!'):
        command = []
        content = posix.load_file_text(filename)
        srctext = self.preprocessor.preprocess(content)
        srcline = [ 0 for i in range(len(srctext)) ]
        length = len(srctext)
        lineno = 1
        for i in range(len(srctext)):
            srcline[i] = lineno
            if srctext[i] == '\n':
                lineno += 1
        start = 0
        endup = 0
        while (start >= 0) and (start < length):
            start = endup
            endup = srctext.find('`', start)
            if endup < 0:
                break
            start = endup
            head = content[start:start + 2]
            body = ''
            if head == '//':
                endup = srctext.find('\n', start)
                if endup < 0: endup = length
                body = content[start + 2:endup]
                endup += 1
            elif head == '/*':
                endup = content.find('*/', start)
                if endup < 0: endup = length
                body = content[start + 2:endup]
                endup += 2
            else:
                Exception ('error comment')
            if body[:len(prefix)] != prefix:
                continue
            pos = start + 2 + len(prefix)
            body = body[len(prefix):]
            if pos >= length: pos = length - 1
            lineno = srcline[pos]
            for n in body.split('\n'):
                command.append((lineno, n.strip('\r\n').strip(' \t')))
                lineno += 1
        return command
    
    # 扫描主文件
    def scan_mainfile (self):
        command = self._scan_memo(self.makefile)
        savedir = os.getcwd()
        os.chdir(os.path.split(self.makefile)[0])
        retval = 0
        for lineno, text in command:
            if self._process(self.makefile, lineno, text) != 0:
                retval = -1
                break
        self._process_int()
        os.chdir(savedir)
        self.push_src(self.makefile, '')
        return retval

    # 扫描工程文件
    def scan_makefile (self):
        savedir = os.getcwd()
        os.chdir(os.path.split(self.makefile)[0])
        ext = os.path.splitext(self.makefile)[1].lower()
        lineno = 1
        retval = 0
        for text in posix.load_file_text(self.makefile).split('\n'):
            if ext in ('.pyx', '.py'):
                text = text.strip('\r\n\t ')
                if text[:3] != '##!':
                    continue
                text = text[3:]
            if self._process(self.makefile, lineno, text) != 0:
                retval = -1
                break
            lineno += 1
        self._process_int()
        os.chdir(savedir)
        return retval
    
    # 输出错误
    def error (self, text, fname = '', line = -1):
        message = ''
        if fname and line > 0:
            message = '%s:%d: '%(fname, line)
        sys.stderr.write(message + text + '\n')
        sys.stderr.flush()
        return 0
    
    # 编译前检测错误：比如文件不存在
    def check_error (self):
        hr = 0
        for absname, srcname, mainfile, lineno in self.pending_check:
            if not os.path.exists(absname):
                self.error('error: %s: No such file'%srcname,
                        mainfile, lineno)
                hr = 1
        return hr

    # 处理 --int=xxx
    def _process_int (self):
        if self.int != '':
            return 0
        if 'int' not in CFG:
            return 0
        t = CFG['int'].strip('\r\n\t ')
        if not t:
            return 0
        text = 'int: ' + CFG['int']
        self._process('<inline>', 0, text)
        return 0

    # 处理源文件
    def _process_src (self, textline, fname = '', lineno = -1):
        ext1 = ('.c', '.cpp', '.cc', '.cxx', '.asm')
        ext2 = ('.s', '.o', '.obj', '.m', '.mm')
        pos = textline.find(':')
        body, options = textline, ''
        pos = textline.rfind(':')
        if pos >= 0:
            split = (sys.platform[:3] != 'win') and True or False
            if sys.platform[:3] == 'win':
                if textline[pos:pos + 2] not in (':/', ':\\'):
                    split = True
            if split:
                body = textline[:pos].strip('\r\n\t ')
                options = textline[pos + 1:].strip('\r\n\t ')
        for name in body.replace(';', ',').split(','):
            srcname = self.pathconf(name)
            if not srcname:
                continue
            if ('*' not in srcname) and ('?' not in srcname):
                names = [ srcname ]
            else:
                import glob
                names = glob.glob(srcname)
            for srcname in names:
                absname = os.path.abspath(srcname)
                self.pending_check.append((absname, srcname, fname, lineno))
                extname = os.path.splitext(absname)[1].lower()
                if (extname not in ext1) and (extname not in ext2):
                    self.error('error: %s: Unknow file type'%absname, 
                        fname, lineno)
                    return -2
                self.push_src(absname, options)
        return 0

    # 处理：分析信息
    def _process (self, fname, lineno, text):
        text = text.strip(' \t\r\n')
        if not text:                    # 空行
            return 0
        if text[:1] in (';', '#'):      # 跳过注释
            return 0
        # print('>', text)
        pos = text.find(':')
        if pos < 0:
            self.error('unknow emake command', fname, lineno)
            return -1
        command, body = text[:pos].lower(), text[pos + 1:]
        pos = command.find('/')
        if pos >= 0:
            condition, command = command[:pos].lower(), command[pos + 1:]
            match = False
            for cond in condition.replace(';', ',').split(','):
                cond = cond.strip('\r\n\t ')
                if not cond: continue
                if cond in self.config.name:
                    match = True
                    break
            if not match:
                #print('"%s" not in %s'%(condition, self.config.name))
                return 0
        pos = command.find('@')
        if pos >= 0:
            command, profile = command[:pos].lower(), command[pos + 1:]
            command = command.strip()
            profile = profile.strip()
            if profile and profile != self.profile:
                return 0
        environ = {}
        environ['target'] = self.config.target
        environ['int'] = self.int
        environ['out'] = self.out
        environ['mode'] = self.mode
        environ['home'] = os.path.dirname(os.path.abspath(fname))
        environ['bin'] = self.config.dirhome
        environ['profile'] = self.profile and self.profile or 'none'
        names = ['gcc', 'ar', 'ld', 'as', 'nasm', 'yasm']
        names = names + ['dllwrap', 'pkgconfig']
        for name in names:
            if name in self.config.exename:
                data = self.config.exename[name]
                environ[name] = os.path.join(self.config.dirhome, data)
        environ['cc'] = environ['gcc']
        for name in environ:
            key = '$(%s)'%name
            val = environ[name]
            if key in body:
                body = body.replace(key, val)
        if command in ('out', 'output'):
            self.out = os.path.abspath(self.pathconf(body))
            return 0
        if command in ('int', 'intermediate'):
            body = body.strip('\r\n\t ')
            if body in ('<auto>', '$(auto)', '!', '?', '*', '+'):
                dirname = self.config.target
                if self.profile:
                    dirname += '-' + self.profile
                self.int = os.path.abspath(os.path.join('objs', dirname))
            else:
                self.int = os.path.abspath(self.pathconf(body))
            return 0
        if command in ('src', 'source'):
            retval = self._process_src(body, fname, lineno)
            return retval
        if command in ('mode', 'mod'):
            body = body.lower().strip(' \r\n\t')
            if body not in ('exe', 'win', 'lib', 'dll'):
                self.error('error: %s: mode is not supported'%body, 
                    fname, lineno)
                return -1
            self.mode = body
            return 0
        if command == 'link':
            for name in body.replace(';', ',').split(','):
                srcname = self.pathconf(name)
                if not srcname:
                    continue
                self.push_link(srcname)
            return 0
        if command in ('inc', 'lib'):
            for name in body.replace(';', ',').split(','):
                srcname = self.pathconf(name)
                if not srcname:
                    continue
                absname = os.path.abspath(srcname)
                if not os.path.exists(absname):
                    self.error('error: %s: No such directory'%srcname, 
                        fname, lineno)
                    return -1
                if command == 'inc': 
                    self.push_inc(absname)
                elif command == 'lib':
                    self.push_lib(absname)
            return 0
        if command == 'flag':
            for name in body.replace(';', ',').split(','):
                srcname = self.pathconf(name)
                if not srcname:
                    continue
                if srcname[:2] in ('-o', '-I', '-B', '-L'):
                    self.error('error: %s: invalid option'%srcname, 
                        fname, lineno)
                self.push_flag(srcname)
            return 0
        if command in ('flnk', 'linkflag', 'flink'):
            for name in body.replace(';', ',').split(','):
                srcname = self.pathconf(name)
                if not srcname:
                    continue
                self.push_flnk(srcname)
            return 0
        if command in ('wlnk', 'wl', 'ld', 'wlink'):
            for name in body.replace(';', ',').split(','):
                srcname = self.pathconf(name)
                if not srcname:
                    continue
                self.push_wlnk(srcname)
            return 0
        for cond in ('cflag', 'cxxflag', 'sflag', 'mflag', 'mmflag'):
            if command == cond or command.rstrip('s') == cond:
                for name in body.replace(';', ',').split(','):
                    flag = self.pathconf(name)
                    if not flag:
                        continue
                    if flag[:2] in ('-o', '-I', '-B', '-L'):
                        self.error('error: %s: invalid option'%flag, 
                                fname, lineno)
                    self.push_cond(flag, cond)
                return 0
        if command in ('arglink', 'al'):
            self.push_flnk(body.strip('\r\n\t '))
            return 0
        if command in ('argcc', 'ac'):
            self.push_flag(body.strip('\r\n\t '))
            return 0
        if command in ('pkg', 'package'):
            for name in body.replace(';', ',').split(','):
                name = self.pathconf(name)
                if not name:
                    continue
                self.push_pkg(name, fname, lineno)
            return 0
        if command in ('pkgflag', 'pcflag'):
            for name in body.replace(';', ',').split(','):
                name = self.pathconf(name)
                if not name:
                    continue
                self.push_pkgflag(name, fname, lineno)
            return 0
        if command == 'define':
            for name in body.replace(';', ',').split(','):
                srcname = self.pathconf(name).replace(' ', '_')
                if not srcname:
                    continue
                self.push_define(srcname)
            return 0
        if command == 'info':
            body = body.strip(' \t\r\n').lower()
            if body in ('0', 'false', 'off'):
                self.info = 0
            else:
                try: info = int(body)
                except: info = 3
                self.info = info
            return 0
        if command in ('cexe', 'clib', 'cdll', 'cwin', 'exe', 'dll', 'win'):
            if not self.int:
                dirname = self.config.target
                if self.profile:
                    dirname += '-' + self.profile
                self.int = os.path.abspath(os.path.join('objs', dirname))
            self.mode = command[-3:]
            retval = self._process_src(body, fname, lineno)
            return retval
        if command in ('swf', 'swc', 'elf'):
            self.mode = 'exe'
            if not self.out:
                self.out = os.path.splitext(fname)[0] + '.' + command
            if not self.int:
                self.int = os.path.abspath(os.path.join('objs', self.config.target))
            body = body.strip('\r\n\t ')
            if command == 'swf':
                self.push_flnk('-emit-swf')
                pos = body.find('x')
                if pos >= 0:
                    try:
                        t1 = int(body[:pos])
                        t2 = int(body[pos + 1:])
                    except:
                        self.error('error: %s: bad size'%body, fname, lineno)
                        return -1
                    self.push_flnk('-swf-size=%dx%d'%(t1, t2))
                elif body:
                    self.error('error: %s: bad size'%body, fname, lineno)
                    return -1
            elif command == 'swc':
                if not body:
                    self.error('error: namespace empty', fname, lineno)
                    return -1
                self.push_flnk('-emit-swc=' + body.strip('\t\n\r '))
            else:
                return self._process_src(body, fname, lineno)
            return 0
        if command in ('imp', 'import'):
            for name in body.replace(';', ',').split(','):
                name = self.pathconf(name)
                if not name:
                    continue
                self.push_imp(name, fname, lineno)
            return 0
        if command in ('exp', 'export'):
            self.dllexp = 'yes'
            for name in body.replace(';', ',').split(','):
                name = self.pathconf(name).lower()
                if not name:
                    continue
                self.push_exp(name, fname, lineno)
            return 0
        if command in ('pkg', 'package'):
            for name in body.replace(';', ',').split(','):
                name = self.pathconf(name)
                if not name:
                    continue
                self.push_pkg(name, fname, lineno)
            return 0
        if command == 'echo':
            print(body)
            return 0
        if command == 'color':
            self.console(int(body.strip('\r\n\t '), 0))
            return 0
        if command in ('prebuild', 'prelink', 'postbuild'):
            self.push_event(command, body)
            return 0
        if command in ('preload'):
            self.coremake._main = self.makefile
            self.coremake.event([body])
            return 0
        if command == 'environ':
            for name in body.replace(';', ',').split(','):
                name = name.strip('\r\n\t ')
                k, v = (name.split('=') + ['',''])[:2]
                self.push_environ(k.strip('\r\n\t '), v.strip('\r\n\t '))
            return 0
        if command == 'use':
            for name in body.replace(';', ',').split(','):
                name = name.strip('\r\n\t ')
                if name == 'python':
                    cflags, ldflags = self.config.python_config()
                    if cflags:
                        self.push_flag(cflags)
                    if ldflags:
                        self.push_flnk(ldflags)
                elif name == 'java':
                    java = self.config.java_config()
                    if java:
                        self.push_flag(java)
                else:
                    tt = 'error: %s: invalid name to use, only python or java'
                    self.error(tt%command, fname, lineno)
                    return -1
            return 0
        self.error('error: %s: invalid command'%command, fname, lineno)
        return -1
    
    # 扫描并确定目标文件
    def _update_obj_names (self):
        src2obj = self.coremake.scan(self.src, self.int)
        for fn in self.src:
            obj = src2obj[fn]
            self.srcdict[fn] = os.path.abspath(obj)
        return 0

    # 取得某文件的编译参数
    def compile_flag (self, srcname):
        chkname = os.path.abspath(srcname)
        chkname = os.path.normcase(chkname)
        if chkname not in self.chkdict:
            return None
        srcname = self.chkdict[chkname]
        options = self.optdict[srcname]
        cond = self.config.cond_flags(srcname)
        hr = self.config.param_compile.strip('\r\n\t ')
        if options:
            hr += ' ' + options
        if cond:
            hr += ' ' + (' '.join(cond))
        return hr

    # 使用 gcc -MM 取得编译依赖
    def mm (self, srcname):
        chkname = os.path.abspath(srcname)
        chkname = os.path.normcase(chkname)
        options = ''
        if chkname in self.chkdict:
            srcname = self.chkdict[chkname]
            options = self.optdict[srcname]
        hr = self.config.mm(srcname, options)
        return hr

    # 设置终端颜色
    def console (self, color):
        if not os.isatty(sys.stdout.fileno()):
            return False
        if sys.platform[:3] == 'win':
            try: import ctypes
            except: return 0
            kernel32 = ctypes.windll.LoadLibrary('kernel32.dll')
            GetStdHandle = kernel32.GetStdHandle
            SetConsoleTextAttribute = kernel32.SetConsoleTextAttribute
            GetStdHandle.argtypes = [ ctypes.c_uint32 ]
            GetStdHandle.restype = ctypes.c_size_t
            SetConsoleTextAttribute.argtypes = [ ctypes.c_size_t, ctypes.c_uint16 ]
            SetConsoleTextAttribute.restype = ctypes.c_long
            handle = GetStdHandle(0xfffffff5)
            if color < 0: color = 7
            result = 0
            if (color & 1): result |= 4
            if (color & 2): result |= 2
            if (color & 4): result |= 1
            if (color & 8): result |= 8
            if (color & 16): result |= 64
            if (color & 32): result |= 32
            if (color & 64): result |= 16
            if (color & 128): result |= 128
            SetConsoleTextAttribute(handle, result)
        else:
            if color >= 0:  # noqa
                foreground = color & 7
                background = (color >> 4) & 7
                bold = color & 8
                if background != 0:
                    sys.stdout.write(" \033[%s3%d;4%dm"%(bold and "01;" or "", foreground, background))
                else:
                    sys.stdout.write(" \033[%s3%dm"%(bold and "01;" or "", foreground))
                sys.stdout.flush()
            else:
                sys.stdout.write("\033[0m")
                sys.stdout.flush()
        return 0


#----------------------------------------------------------------------
# dependence: 工程编译，Compile/Link/Build
#----------------------------------------------------------------------
class dependence (object):
    
    def __init__ (self, parser = None):
        self.parser = parser
        self.preprocessor = preprocessor()
        self.reset()
    
    def reset (self):
        self._mtime = {}
        self._dirty = {}
        self._depinfo = {}
        self._depname = ''
        self._outchg = False
    
    def mtime (self, fname):
        fname = os.path.abspath(fname)
        if fname in self._mtime:
            return self._mtime[fname]
        try: mtime = os.path.getmtime(fname)
        except: mtime = 0.0
        mtime = float('%.6f'%mtime)
        self._mtime[fname] = mtime
        return mtime

    def _scan_include (self, srcname):
        head, lost, src = self.preprocessor.dependence(srcname)
        # print(srcname, head)
        return head
    
    def _scan_src (self, srcname):
        srcname = os.path.abspath(srcname)
        if srcname not in self.parser:
            return None
        if not os.path.exists(srcname):
            return None
        objname = self.parser[srcname]  # noqa: F841
        head = self._scan_include(srcname)
        filelist = [srcname] + head
        dependence = []
        for fn in filelist:
            name = os.path.abspath(fn)
            dependence.append((name, self.mtime(name)))
        return dependence
    
    def _update_dep (self, srcname):
        srcname = os.path.abspath(srcname)
        if srcname not in self.parser:
            return -1
        retval = 0
        debug = 0
        if debug: print('\n<dep:%s>'%srcname)
        objname = self.parser[srcname]
        srctime = self.mtime(srcname)  # noqa: F841
        objtime = self.mtime(objname)
        update = False
        info = self._depinfo.setdefault(srcname, {})
        if len(info) == 0: 
            update = True
        if not update:
            for fn in info:
                if not os.path.exists(fn):
                    update = True
                    break
                oldtime = info[fn]
                newtime = self.mtime(fn)
                if newtime > oldtime:
                    update = True
                    #print('%f %f %f'%(newtime, oldtime, newtime - oldtime))
                    break
        if update:
            dependence = self._scan_src(srcname)
            # print(srcname, dependence)
            info = {}
            self._depinfo[srcname] = info
            if not dependence:
                return -2
            for fname, mtime in dependence:
                info[fname] = mtime
        info = self._depinfo[srcname]
        for fn in info:
            oldtime = info[fn]
            if oldtime > objtime:
                self._dirty[srcname] = 1
                retval = 1
                break
        if debug: print('</dep:%s>\n'%srcname)
        return retval
    
    def _load_dep (self):
        lineno = -1  # noqa: F841
        retval = 0
        if os.path.exists(self._depname):
            for line in open(self._depname):
                line = line.strip(' \t\r\n')
                if not line: continue
                pos = line.find('=')
                if pos < 0: continue
                src, body = line[:pos], line[pos + 1:]
                src = os.path.abspath(src)
                if not os.path.exists(src): continue
                item = body.replace(';', ',').split(',')
                count = int(len(item) / 2)
                info = {}
                self._depinfo[src] = info
                for i in range(count):
                    fname = item[i * 2 + 0].strip(' \r\n\t')
                    mtime = item[i * 2 + 1].strip(' \r\n\t')
                    fname = self.parser.pathconf(fname)
                    info[fname] = float(mtime)
            retval = 0
        for fn in self.parser:
            self._update_dep(fn)
        return retval

    def _save_dep (self):
        path = os.path.split(self._depname)[0]
        if not os.path.exists(path):
            self.parser.coremake.mkdir(path)
        fp = open(self._depname, 'w')
        names = self._depinfo.keys()
        sorted(names)
        for src in names:
            info = self._depinfo[src]
            fp.write('%s = '%(src))
            part = []
            keys = info.keys()
            sorted(keys)
            for fname in keys:
                mtime = info[fname]
                if ' ' in fname: fname = '"%s"'%fname
                part.append('%s, %.6f'%(fname, mtime))
            fp.write(', '.join(part) + '\n')
        fp.close()
        return 0

    def __contains__ (self, srcname):
        return (srcname in self._depinfo)

    def __getitem__ (self, srcname):
        return self._depinfo[srcname]
    
    def process (self):
        self.reset()
        parser = self.parser
        depname = parser.name + '.p'
        self._depname = os.path.join(parser.home, depname)
        if parser.int:
            self._depname = os.path.join(parser.int, depname)
        self._depname = os.path.abspath(self._depname)
        self._load_dep()
        self._save_dep()
        for info in self._depinfo:
            dirty = (info in self._dirty) and 1 or 0  # noqa: F841
            # print(info, '=', dirty)
        return 0


#----------------------------------------------------------------------
# emake: 工程编译，Compile/Link/Build
#----------------------------------------------------------------------
class emake (object):
    
    def __init__ (self, ininame = ''):
        if ininame == '': ininame = 'emake.ini'
        self.parser = iparser(ininame)
        self.coremake = self.parser.coremake
        self.dependence = dependence(self.parser)
        self.config = self.coremake.config
        self.unix = self.coremake.unix
        self.cpus = -1
        self.loaded = 0
        self.error_checked = None
    
    def reset (self):
        self.parser.reset()
        self.coremake.reset()
        self.dependence.reset()
        self.loaded = 0
        self.error_checked = None
    
    def open (self, makefile, profile = None):
        self.reset()
        self.config.init()
        self.config.profile = profile
        environ = {}
        cfg = self.config.config
        if 'environ' in cfg:
            for k, v in cfg['environ'].items():
                environ[k.upper()] = v
        retval = self.parser.parse(makefile, profile)
        if retval != 0:
            return -1
        parser = self.parser
        self.coremake.init(makefile, parser.out, parser.mode, parser.int, profile)
        #print('open', parser.out, parser.mode, parser.int)
        for src in self.parser:
            obj = self.parser[src]
            opt = self.parser.optdict[src]
            self.coremake.push(src, obj, opt)
        savedir = os.getcwd()
        os.chdir(os.path.dirname(os.path.abspath(makefile)))
        hr = self._config()
        os.chdir(savedir)
        if hr != 0:
            return -2
        self.coremake._environ = {}
        for k, v in environ.items():
            self.coremake._environ[k] = v
        for k, v in self.parser.environ.items():
            self.coremake._environ[k] = v
        self.dependence.process()
        self.loaded = 1
        return 0
    
    def _config (self):
        self.config.replace['makefile'] = self.coremake._main
        self.config.replace['workspace'] = os.path.dirname(self.coremake._main)
        for name, fname, lineno in self.parser.imp:
            if name not in self.config.config:
                self.parser.error('error: %s: No such config section'%name, 
                    fname, lineno)
                return -1
            self.config.loadcfg(self.config.profile, name, True)
        for inc in self.parser.inc:
            self.config.push_inc(inc)
            #print('inc', inc)
        for lib in self.parser.lib:
            self.config.push_lib(lib)
            #print('lib', lib)
        for flag in self.parser.flag:
            self.config.push_flag(flag)
        for link in self.parser.link:
            self.config.push_link(link)
            #print('link', link)
        for pdef in self.parser.define:
            self.config.push_pdef(pdef)
            #print('pdef', pdef)
        for flnk in self.parser.flnk:
            self.config.push_flnk(flnk)
            #print('flnk', flnk)
        for wlnk in self.parser.wlnk:
            self.config.push_wlnk(wlnk)
        for cond in self.parser.cond:
            self.config.push_cond(cond[0], cond[1])
        if self.parser.mode == 'dll' and self.config.unix:
            if self.config.fpic:
                self.config.push_flag('-fPIC')
        if self.parser.pkg:
            hr = self._pkg_config()
            if hr != 0:
                return hr
        for name, fname, lineno in self.parser.exp:
            self.coremake.dllwrap(name)
        self.config.parameters()
        #print('replace', self.config.replace)
        return 0

    # run pkg-config
    def _pkg_config (self):
        if not self.parser.pkg:
            return 0
        flags = ' '.join([n[0] for n in self.parser.pkgflag])
        pkgs = ' '.join([n[0] for n in self.parser.pkg])
        text = self.config._getitem('default', 'pcflag', '').strip()
        conf = ' '.join([t.strip() for t in text.split(',')])
        parameter = flags + ' ' + conf.strip() + ' ' + pkgs
        p1 = '--cflags-only-I ' + parameter
        p2 = '--libs ' + parameter
        fname = self.parser.pkg[0][1]
        flnum = self.parser.pkg[0][2]
        printcmd = False
        code, text1 = self.coremake.config.pkgconfig(p1, printcmd, True)
        if code != 0:
            for line in text1.split('\n'):
                line = line.rstrip('\r\n\t ')
                if line:
                    msg = 'error: %s'%(line)
                    self.parser.error(msg, fname, flnum)
            return -2
        code, text2 = self.coremake.config.pkgconfig(p2, printcmd, True)
        if code != 0:
            for line in text1.split('\n'):
                line = line.rstrip('\r\n\t ')
                if line:
                    msg = 'error: %s'%(line)
                    self.parser.error(msg, fname, flnum)
            return -3
        text1 = text1.strip('\r\n\t ')
        text2 = text2.strip('\r\n\t ')
        if text1:
            self.config.push_flag(text1)
        if text2:
            self.config.push_flnk(text2)
        if 0:
            print('pkg-inc: %s'%(text1))
            print('pkg-lib: %s'%(text2))
        return 0

    def _check_error (self):
        if not self.loaded:
            return 1
        if self.error_checked is None:
            self.error_checked = self.parser.check_error()
        if self.error_checked != 0:
            return 2
        return 0
    
    def compile (self, printmode = 0):
        if not self.loaded:
            return 1
        dirty = 0
        for src in self.parser:
            if src in self.dependence._dirty:
                obj = self.parser[src]
                if obj != src:
                    self.coremake.remove(obj)
                    dirty += 1
        if dirty:
            self.coremake.remove(self.parser.out)
            self.coremake.event(self.parser.events.get('prebuild', []))
            sys.stdout.flush()
        if self._check_error() != 0:
            return 2
        cpus = self.config.cpus
        if self.cpus >= 0:
            cpus = self.cpus
        retval = self.coremake.compile(True, printmode, cpus)
        if retval != 0:
            return 3
        return 0
    
    def link (self, printmode = 0):
        if not self.loaded:
            return 1
        if self._check_error() != 0:
            return 2
        update = False
        outname = self.parser.out
        outtime = self.dependence.mtime(outname)
        for src in self.parser:
            obj = self.parser[src]
            mtime = self.dependence.mtime(obj)
            if mtime == 0 or mtime > outtime:
                update = True
                break
        if update:
            self.coremake.remove(self.parser.out)
            self.coremake.event(self.parser.events.get('prelink', []))
        retval = self.coremake.link(True, printmode)
        if retval:
            self.coremake.event(self.parser.events.get('postbuild', []))
            return 0
        return 3
    
    def build (self, printmode = 0):
        if not self.loaded:
            return 1
        retval = self.compile(printmode)
        if retval != 0:
            return 3
        retval = self.link(printmode)
        if retval != 0:
            return 4
        return 0
    
    def clean (self):
        if not self.loaded:
            return 1
        for src in self.parser:
            obj = self.parser[src]
            if obj != src:
                self.coremake.remove(obj)
        if self.loaded:
            self.coremake.remove(self.parser.out)
        return 0
    
    def rebuild (self, printmode = -1):
        if not self.loaded:
            return 1
        self.clean()
        return self.build(printmode)

    def execute (self):
        if not self.loaded:
            return 1
        outname = os.path.abspath(self.parser.out)
        if self.parser.mode not in ('exe', 'win'):
            sys.stderr.write('cannot execute: \'%s\'\n'%outname)
            sys.stderr.flush()
            return 8
        if not os.path.exists(outname):
            sys.stderr.write('cannot find: \'%s\'\n'%outname)
            sys.stderr.flush()
            return 9
        os.system('"%s"'%outname)
        return 0
    
    def call (self, cmdline):
        if not self.loaded:
            return 1
        self.coremake.event([cmdline])
        return 0
        
    def info (self, name = ''):
        name = name.lower()
        if name == '': name = 'out'
        if name in ('out', 'outname'):
            print(self.parser.out)
        elif name in ('home', 'base'):
            print(self.parser.home)
        elif name in ('list'):
            for src in self.parser:
                print(src)
        elif name in ('dirty', 'changed'):
            for src in self.parser:
                if src in self.dependence._dirty:
                    print(src)
        elif name in ('cflags',):
            for src in self.parser:
                print('%s: %s'%(src, self.parser.compile_flag(src)))
        elif name in ('depends', 'dependencies'):
            for src in self.parser:
                info = self.dependence[src]
                head = [ key for key in info ]
                print('%s: %s'%(src, ', '.join(head)))
        elif name in ('objs',):
            for src in self.parser:
                print('%s: %s'%(src, self.parser[src]))
        elif name in ('commands', 'command'):
            cc = self.config.exename.get('gcc', 'gcc')
            info = []
            home = self.parser.home
            for src in self.parser:
                relname = self.config.pathrel(src, home)
                outname = self.config.pathrel(self.parser[src], home)
                cmd = cc + ' ' + self.parser.compile_flag(src) + ' '
                cmd += '-o ' + self.config.pathtext(outname) + ' '
                cmd += self.config.pathtext(relname)
                item = {}
                item['directory'] = home.replace('\\', '/')
                item['command'] = cmd
                item['file'] = self.config.pathrel(src, home).replace('\\', '/')
                item['output'] = self.config.pathrel(self.parser[src], home)
                info.append(item)
            import json
            print(json.dumps(info, indent = 4))
        return 0
    

        
#----------------------------------------------------------------------
# speed up
#----------------------------------------------------------------------
def _psyco_speedup():
    try:
        import psyco
        psyco.bind(preprocessor)
        psyco.bind(configure)
        psyco.bind(coremake)
        psyco.bind(emake)
        #print('full optimaze')
    except:
        return False
    return True



#----------------------------------------------------------------------
# distribution
#----------------------------------------------------------------------
def install():
    filepath = os.path.abspath(sys.argv[0])
    if not os.path.exists(filepath):
        print('error: cannot open "%s"'%filepath)
        return -1
    if sys.platform[:3] == 'win':
        print('error: install must under unix')
        return -2
    try:
        f1 = open(filepath, 'rb')
    except:
        print('error: cannot read "%s"'%filepath)
        return -3
    content = f1.read()
    f1.close()
    name2 = '/usr/local/bin/emake.py'
    name3 = '/usr/local/bin/emake'
    if os.path.exists(name2):
        print('/usr/local/bin/emake.py already exists, you should delete it')
        return -6
    if os.path.exists(name3):
        print('/usr/local/bin/emake already exists, you should delete it')
        return -7
    try:
        f2 = open(name2, 'wb')
    except:
        print('error: cannot write "%s"'%name2)
        return -4
    try:
        f3 = open(name3, 'wb')
    except:
        print('error: cannot write "%s"'%name3)
        f2.close()
        return -5
    f2.write(content)
    f3.write(content)
    f2.close()
    f3.close()
    os.system('chmod 755 /usr/local/bin/emake.py')
    os.system('chmod 755 /usr/local/bin/emake')
    os.system('chown root /usr/local/bin/emake.py 2> /dev/null')
    os.system('chown root /usr/local/bin/emake 2> /dev/null')
    print('install completed. you can uninstall by deleting the following two files:')
    print('/usr/local/bin/emake.py')
    print('/usr/local/bin/emake')
    return 0

__updated_files = {}

def __update_file(name, content):
    source = ''
    name = os.path.abspath(name)
    if name in __updated_files:
        return 0
    __updated_files[name] = 1
    try: 
        fp = open(name, 'rb')
        source = fp.read()
        fp.close()
    except:
        source = ''
    if not isinstance(content, bytes):
        rawdata = content.encoding('utf-8', 'ignore')
    else:
        rawdata = content
    if rawdata.rstrip(b'\r\n\t ') == source.rstrip(b'\r\n\t '):
        print('%s up-to-date'%name)
        return 0
    try:
        fp = open(name, 'wb')
        fp.write(rawdata)
        fp.close()
    except:
        print('can not write to %s'%name)
        return -1
    print('%s update succeeded'%name)
    return 1

def getemake():
    url1 = 'https://skywind3000.github.io/emake/emake.py'
    url2 = 'https://www.skywind.me/php/getemake.php'
    success = True
    content = ''
    signature = ''
    for url in (url1, url2):
        print('fetching', url, ' ...',)
        sys.stdout.flush()
        success = True
        if sys.version_info[0] < 3:
            import urllib2
            try:
                content = urllib2.urlopen(url).read()
                signature = content.split('\n')[0].strip('\r\n\t ')
            except urllib2.URLError as e:
                success = False
                print('failed ')
                print(e)
        else:
            import urllib.request
            try:
                with urllib.request.urlopen(url) as response:
                    content = response.read()
                    t = content.split(b'\n')[0].strip(b'\r\n\t ')
                    signature = t.decode('ascii', 'ignore')
            except urllib.error.URLError as e:
                success = False
                print('failed ')
                print(e)
        if not signature.startswith('#! /usr/bin/env python'):
            if success:
                print('error')
            success = False
        if success:
            print('ok')
            return content
    return ''

def update():
    content = getemake()
    if not content:
        print('update failed')
        return -1
    name1 = os.path.abspath(sys.argv[0])
    name2 = '/usr/local/bin/emake.py'
    name3 = '/usr/local/bin/emake'
    __update_file(name1, content)
    if sys.platform[:3] == 'win':
        return 0
    r1 = __update_file(name2, content)
    r2 = __update_file(name3, content)
    if r1 > 0:
        os.system('chmod 755 /usr/local/bin/emake.py')
        os.system('chown root /usr/local/bin/emake.py 2> /dev/null')
    if r2 > 0:
        os.system('chmod 755 /usr/local/bin/emake')
        os.system('chown root /usr/local/bin/emake 2> /dev/null')
    print('update finished !')
    return 0

def help():
    version = '(emake %s %s %s)'%(EMAKE_VERSION, EMAKE_DATE, sys.platform)
    print('usage: "emake.py <action> [options] srcfile" %s'%version)
    print('')
    print('actions  :  -b | -build      build project')
    print('            -c | -compile    compile project')
    print('            -l | -link       link project')
    print('            -r | -rebuild    rebuild project')
    print('            -e | -execute    execute project')
    print('            -o | -out        show output file name')
    print('            -d | -cmdline    call cmdline tool in given environ')
    if sys.platform[:3] == 'win':
        print('            -g | -cygwin     cygwin execute')
        print('            -s | -cshell     cygwin shell')
    print('            -i | -install    install emake on unix')
    print('            -u | -update     update itself from github')
    print('            -h | -help       show help page')
    print('')
    print('            -home            display project home')
    print('            -list            display project files')
    print('            -objs            display obj files')
    print('            -cflags          display compile flags')
    print('            -depends         display dependencies')
    print('            -dirty           display dirty files')
    print('            -commands        display compile commands json')
    print('')
    print('options  :  --cfg={cfg}      load config from ~/.config/emake/{cfg}.ini')
    print('            --ini={inipath}  load config from {inipath} directly')
    print('            --profile={name} set profile to {name}')
    print('            --print={n}      set verbose level: 0-3')
    print('            --abs={0|1}      display absolute path in error messages')
    print('')
    print("Emake is a easy tool which controls the generation of executables and other")
    print("non-source files of a program from the program's source files. ")
    print('')
    print('Homepage: https://github.com/skywind3000/emake')
    print('')
    return 0


#----------------------------------------------------------------------
# extract param
#----------------------------------------------------------------------
def extract(parameter):
    if parameter[:2] != '${' or parameter[-1:] != '}':
        return parameter
    data = parameter[2:-1]
    pos = data.find(':')
    if pos < 0:
        return parameter
    fname, cname = data[:pos], data[pos + 1:]
    if not os.path.exists(fname):
        return parameter
    parser = iparser()
    command = parser._scan_memo(fname)
    value = ''
    for lineno, text in command:
        pos = text.find(':')
        if pos >= 0:
            name, data = text[:pos], text[pos + 1:]
            name = name.strip('\r\n\t ')
            if name == cname:
                value = data.strip('\r\n\t ')
    return value


#----------------------------------------------------------------------
# main program
#----------------------------------------------------------------------
def main(argv = None):
    # using psyco to speed up
    _psyco_speedup()

    # create main object
    make = emake()

    if argv is None:
        argv = sys.argv
    
    args = argv
    argv = argv[:1]
    options = {}

    for arg in args[1:]:
        if arg[:2] != '--':
            argv.append(arg)
            continue
        key = arg[2:].strip('\r\n\t ')
        val = None
        p1 = key.find('=')
        if p1 >= 0:
            val = key[p1 + 1:].strip('\r\n\t')
            key = key[:p1].strip('\r\n\t')
        options[key] = val

    inipath = ''

    if options.get('cfg', None) is not None:
        cfg = options['cfg'].strip('\r\n\t ')
        if cfg:
            cfg = os.path.expanduser('~/.config/emake/%s.ini'%cfg)
            if 'ini' not in options:
                options['ini'] = cfg
    elif 'EMAKE_CFG' in os.environ:
        cfg = os.environ['EMAKE_CFG']
        cfg = str(cfg).strip('\r\n\t ')
        if ('ini' not in options) and cfg:
            options['ini'] = cfg

    if options.get('ini', None) is not None:
        inipath = options['ini']
        if '~' in inipath:
            inipath = os.path.expanduser(inipath)
        inipath = os.path.abspath(inipath)

    if len(argv) <= 1:
        version = '(emake %s %s %s)'%(EMAKE_VERSION, EMAKE_DATE, sys.platform)
        print('usage: "emake.py <action> [options] srcfile" %s'%version)
        print('actions  :  -b | -build      build project')
        print('            -c | -compile    compile project')
        print('            -l | -link       link project')
        print('            -r | -rebuild    rebuild project')
        print('            -e | -execute    execute project')
        print('            -o | -out        show output file name')
        print('            -d | -cmdline    call cmdline tool in given environ')
        if sys.platform[:3] == 'win':
            print('            -g | -cygwin     cygwin execute')
            print('            -s | -cshell     cygwin shell')
        print('            -i | -install    install emake on unix')
        print('            -u | -update     update itself from github')
        print('            -h | -help       show help page')
        return 0
    
    if inipath and os.path.exists(inipath):
        global INIPATH
        INIPATH = inipath
    elif inipath:
        sys.stderr.write('error: not find %s\n'%inipath)
        sys.stderr.flush()
        return -1
    
    if argv[1] == '-check':
        make.config.init()
        make.config.check()
        dirhome = make.config.dirhome
        print('home:', dirhome)
        print('gcc:', os.path.join(dirhome, make.config.exename['gcc']))
        print('name:', make.config.name.keys())
        print('target:', make.config.target)
        return 0

    cmd, name = 'build', ''

    if len(argv) == 2:
        name = argv[1].strip(' ')
        if name in ('-i', '-install', '-install'):
            install()
            return 0
        if name in ('-u', '-update', '-update'):
            update()
            return 0
        if name in ('-h', '-help', '-help'):
            help()
            return 0

    if len(argv) <= 3:
        if name in ('-d', '-cmdline'):
            print('usage: emake.py -cmdline envname exename [parameters]')
            print('call the cmdline tool in the given environment:')
            print('- envname is a section name in emake.ini which defines environ for this tool')
            print('- exename is the tool\'s executable file name')
            return 0

    if len(argv) >= 3:
        cmd = argv[1].strip(' ').lower()
        name = argv[2]
    else:
        if name[:1] == '-':
            print('not enough parameter: %s'%name)
            return 0

    printmode = 3

    def int_safe(text, defval):
        num = defval
        try: num = int(text)
        except: pass
        return num

    def bool_safe(text, defval):
        if text is None:
            return True
        if text.lower() in ('true', '1', 'yes', 't'):
            return True
        if text.lower() in ('0', 'false', 'no', 'n'):
            return False
        return defval

    if 'cpu' in options:
        make.cpus = int_safe(options['cpu'], 1)

    if 'print' in options:
        printmode = int_safe(options['print'], 3)

    if 'int' in options:
        CFG['int'] = options['int']

    printenv = os.environ.get('EMAKE_PRINT', '')

    if printenv:
        printmode = int_safe(printenv, 3)

    if 'EMAKE_ABSPATH' in os.environ:
        hr = bool_safe(os.environ['EMAKE_ABSPATH'], True)
        CFG['abspath'] = hr

    if 'abs' in options:
        CFG['abspath'] = bool_safe(options['abs'], True)
    
    ext = os.path.splitext(name)[-1].lower() 
    ft1 = ('.c', '.cpp', '.cxx', '.cc', '.m', '.mm')
    ft2 = ('.h', '.hpp', '.hxx', '.hh', '.inc')    # noqa: F841
    ft3 = ('.mak', '.em', '.emk', '.py', '.pyx')

    if cmd in ('-d', '-cmdline', '-cmdline', '-m'):
        config = configure()
        config.init()
        argv += ['', '', '', '', '']
        envname = argv[2]
        parameters = ''
        for n in [ argv[i] for i in range(3, len(argv)) ]:
            if cmd in ('-m',):
                if n[:2] == '${' and n[-1:] == '}':
                    n = extract(n)
                    if not n: continue
            if config.unix:
                n = n.replace('\\', '\\\\').replace('"', '\\"')
                n = n.replace("'", "\\'").replace(' ', '\\ ')
                n = n.replace('\t', '\\t')
            else:
                if ' ' in n:
                    n = '"' + n + '"'
            parameters += n + ' '
        hr = config.cmdtool(envname, parameters.rstrip(' '))
        sys.exit(hr)
        return 0

    if cmd in ('-g', '-cygwin'):
        config = configure()
        config.init()
        if not config.cygwin:
            print('not find "cygwin" in "default" sect of %s'%config.ininame)
            sys.exit()
        argv += ['', '', '', '', '']
        envname = argv[2]
        exename = argv[3]
        parameters = ''
        for n in [ argv[i] for i in range(4, len(argv)) ]:
            if ' ' in n: n = '"' + n + '"'
            parameters += n + ' '
        config.cygwin_execute(envname, exename, parameters)
        return 0

    if cmd in ('-s', '-cshell'):
        config = configure()
        config.init()
        if not config.cygwin:
            print('not find "cygwin" in "default" sect of %s'%config.ininame)
            sys.exit()
        argv += ['', '', '', '', '']
        envname = argv[2]
        exename = argv[3]
        parameters = ''
        for n in [ argv[i] for i in range(4, len(argv)) ]:
            if ' ' in n: n = '"' + n + '"'
            parameters += n + ' '
        cmds = '"%s" %s'%(exename, parameters)
        config.cygwin_execute(envname, '', cmds)
        return 0

    if cmd in ('-z', '-shell'):
        config = configure()
        config.init()
        args = []
        args.extend(argv[2:])
        execute(args, True, False)
        code = os.shell_return
        if code < 0:
            code = 128
        return sys.exit(code)

    if cmd == '-dump':
        if not name: name = '.'
        if not os.path.exists(name):
            print('can not read: %s'%name)
            return -1
        for root, dirs, files in os.walk(name):
            for fn in files:
                if os.path.splitext(fn)[-1].lower() in ('.c', '.cpp', '.cc'):
                    xp = os.path.join(root, fn)
                    if sys.platform[:3] == 'win':
                        xp = xp.replace('\\', '/')
                    if xp[:2] == './': 
                        xp = xp[2:]
                    print('src: ' + xp)
            if 'CVS' in dirs:
                dirs.remove('CVS')  # don't visit CVS directories
            if '.svn' in dirs:
                dirs.remove('.svn')
            if '.git' in dirs:
                dirs.remove('.git')
        return 0

    if not ((ext in ft1) or (ext in ft3)):
        sys.stderr.write('error: %s: unsupported file type\n'%(name))
        sys.stderr.flush()
        return -1

    retval = 0

    profile = os.environ.get('EMAKE_PROFILE', '')

    if not profile:
        profile = options.get('profile', '')

    if cmd in ('b', '-b', 'build', '-build'):
        make.open(name, profile)
        retval = make.build(printmode)
    elif cmd in ('c', '-c', 'compile', '-compile'):
        make.open(name, profile)
        retval = make.compile(printmode)
    elif cmd in ('l', '-l', 'link', '-link'):
        make.open(name, profile)
        retval = make.link(printmode)
    elif cmd in ('clean', '-clean'):
        make.open(name, profile)
        retval = make.clean()
    elif cmd in ('r', '-r', 'rebuild', '-rebuild'):
        make.open(name, profile)
        retval = make.rebuild(printmode)
    elif cmd in ('e', '-e', 'execute', '-execute'):
        make.open(name, profile)
        retval = make.execute()
    elif cmd in ('a', '-a', 'call', '-call'):
        make.open(name, profile)
        retval = make.call(' '.join(argv[3:]))
    elif cmd in ('o', '-o', 'out', '-out'):
        make.open(name, profile)
        make.info('outname') 
    elif cmd in ('dirty', '-dirty'):
        make.open(name, profile)
        make.info('dirty')
    elif cmd in ('list', '-list'):
        make.open(name, profile)
        make.info('list')
    elif cmd in ('home', '-home'):
        make.open(name, profile)
        make.info('home')
    elif cmd in ('-objs'):
        make.open(name, profile)
        make.info('objs')
    elif cmd in ('-cflags'):
        make.open(name, profile)
        make.info('cflags')
    elif cmd in ('-depends'):
        make.open(name, profile)
        make.info('depends')
    elif cmd in ('-commands', '-command'):
        make.open(name, profile)
        make.info('command')
    else:
        sys.stderr.write('unknow command: %s\n'%cmd)
        sys.stderr.flush()
        retval = 127
    return retval


#----------------------------------------------------------------------
# testing case
#----------------------------------------------------------------------
if __name__ == '__main__':
    def test1():
        make = coremake()
        name = 'e:/zombie/demo01.c'  # noqa: F841
        make.mkdir(r'e:\lab\malloc\obj list')
        make.mkdir(r'e:\lab\malloc\abc c\01 2\3 4\5\6')
        make.init('mainmod', 'exe', 'malloc/obj')
        make.push('malloc/main.c', '', {})
        make.push('malloc/mod1.c', '', {})
        make.push('malloc/mod2.c', '', {})
        make.push('malloc/mod3.c', '', {})
        make.build(printmode = 7)
        print(os.path.getmtime('malloc/main.c'))
    def test2():
        pst = preprocessor()
        head, lost, text = pst.dependence('voice/fastvoice/basewave.cpp')
        for n in head: print(n)
        pp = pst.preprocess(open('voice/fastvoice/basewave.cpp').read())
        print(pp)
    def test3():
        parser = iparser()
        parser._pragma_scan('malloc/main.c')
    def test4():
        parser = iparser()
        cmaker = coremake()
        parser.parse('malloc/main.c')
        print('"%s", "%s", "%s"'%(parser.out, parser.int, parser.mode))
        print(parser.home, parser.name)
        for n in parser:
            print('src:', n, '->', cmaker.objname(n, ''), parser[n])
    def test5():
        parser = iparser()
        parser.parse('malloc/main.c')
        dep = dependence(parser)
        dep.process()
    def test6():
        make = emake()
        make.open('malloc/main.c')
        make.clean()
        make.build(3)
    def test7():
        config = configure()
        config.init()
        print(config.checklib('liblinwei.a'))
        print(config.checklib('winmm'))
        print(config.checklib('pixia'))
        config.push_lib('d:/dev/local/lib')
        print(config.checklib('pixia'))
    def test8():
        sys.argv = [sys.argv[0], '-d', 'msvc', 'cl.exe', '-help' ]
        sys.argv = [sys.argv[0], '-r', 'd:/acm/aprcode/pixellib/PixelBitmap.cpp' ]
        main()
        #os.chdir('d:/acm/aprcode/pixellib/')
        #os.system('d:/dev/python27/python.exe d:/acm/opensrc/easymake/testing/emake.py -r PixelBitmap.cpp')
    def test9():
        sys.argv = ['emake.py', '-t', 'msvc', 'cl.exe', '-help' ]
        sys.argv = [sys.argv[0], '-t', 'watcom', 'wcl386.exe', '-help' ]
        main()
    def test10():
        sys.argv = [sys.argv[0], '-g', 'default', 'd:/dev/flash/alchemy5/tutorials/01_HelloWorld/hello.exe', '--version']
        main()
    def test11():
        update()
        return 0
    
    # test11()
    sys.exit( main() )
    #install()