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330 lines
9.2 KiB
330 lines
9.2 KiB
#!/usr/bin/env python
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# encoding: utf-8
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# Matthias Jahn, 2008, jahn matthias ath freenet punto de
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# Thomas Nagy, 2008 (ita)
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import sys, re, os, optparse
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import TaskGen, Task, Utils, preproc
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from Logs import error, debug, warn
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from TaskGen import taskgen, after, before, feature
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REVISION="0.1.3"
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"""
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if you want to use the code here, you must use something like this:
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obj = obj.create(...)
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obj.features.append("libtool")
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obj.vnum = "1.2.3" # optional, but versioned libraries are common
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"""
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# fake libtool files
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fakelibtool_vardeps = ['CXX', 'PREFIX']
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def fakelibtool_build(task):
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# Writes a .la file, used by libtool
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env = task.env
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dest = open(task.outputs[0].abspath(env), 'w')
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sname = task.inputs[0].name
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fu = dest.write
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fu("# Generated by ltmain.sh - GNU libtool 1.5.18 - (pwn3d by BKsys II code name WAF)\n")
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if env['vnum']:
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nums = env['vnum'].split('.')
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libname = task.inputs[0].name
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name3 = libname+'.'+env['vnum']
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name2 = libname+'.'+nums[0]
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name1 = libname
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fu("dlname='%s'\n" % name2)
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strn = " ".join([name3, name2, name1])
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fu("library_names='%s'\n" % (strn) )
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else:
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fu("dlname='%s'\n" % sname)
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fu("library_names='%s %s %s'\n" % (sname, sname, sname) )
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fu("old_library=''\n")
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vars = ' '.join(env['libtoolvars']+env['LINKFLAGS'])
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fu("dependency_libs='%s'\n" % vars)
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fu("current=0\n")
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fu("age=0\nrevision=0\ninstalled=yes\nshouldnotlink=no\n")
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fu("dlopen=''\ndlpreopen=''\n")
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fu("libdir='%s/lib'\n" % env['PREFIX'])
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dest.close()
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return 0
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def read_la_file(path):
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sp = re.compile(r'^([^=]+)=\'(.*)\'$')
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dc={}
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file = open(path, "r")
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for line in file.readlines():
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try:
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#print sp.split(line.strip())
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_, left, right, _ = sp.split(line.strip())
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dc[left]=right
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except ValueError:
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pass
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file.close()
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return dc
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@feature("libtool")
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@after('apply_link')
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def apply_link_libtool(self):
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if self.type != 'program':
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linktask = self.link_task
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self.latask = self.create_task('fakelibtool', linktask.outputs, linktask.outputs[0].change_ext('.la'))
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if self.bld.is_install:
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self.bld.install_files('${PREFIX}/lib', linktask.outputs[0], self.env)
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@feature("libtool")
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@before('apply_core')
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def apply_libtool(self):
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self.env['vnum']=self.vnum
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paths=[]
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libs=[]
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libtool_files=[]
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libtool_vars=[]
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for l in self.env['LINKFLAGS']:
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if l[:2]=='-L':
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paths.append(l[2:])
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elif l[:2]=='-l':
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libs.append(l[2:])
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for l in libs:
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for p in paths:
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dict = read_la_file(p+'/lib'+l+'.la')
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linkflags2 = dict.get('dependency_libs', '')
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for v in linkflags2.split():
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if v.endswith('.la'):
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libtool_files.append(v)
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libtool_vars.append(v)
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continue
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self.env.append_unique('LINKFLAGS', v)
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break
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self.env['libtoolvars']=libtool_vars
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while libtool_files:
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file = libtool_files.pop()
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dict = read_la_file(file)
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for v in dict['dependency_libs'].split():
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if v[-3:] == '.la':
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libtool_files.append(v)
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continue
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self.env.append_unique('LINKFLAGS', v)
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Task.task_type_from_func('fakelibtool', vars=fakelibtool_vardeps, func=fakelibtool_build, color='BLUE', after="cc_link cxx_link static_link")
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class libtool_la_file:
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def __init__ (self, la_filename):
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self.__la_filename = la_filename
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#remove path and .la suffix
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self.linkname = str(os.path.split(la_filename)[-1])[:-3]
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if self.linkname.startswith("lib"):
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self.linkname = self.linkname[3:]
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# The name that we can dlopen(3).
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self.dlname = None
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# Names of this library
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self.library_names = None
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# The name of the static archive.
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self.old_library = None
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# Libraries that this one depends upon.
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self.dependency_libs = None
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# Version information for libIlmImf.
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self.current = None
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self.age = None
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self.revision = None
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# Is this an already installed library?
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self.installed = None
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# Should we warn about portability when linking against -modules?
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self.shouldnotlink = None
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# Files to dlopen/dlpreopen
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self.dlopen = None
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self.dlpreopen = None
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# Directory that this library needs to be installed in:
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self.libdir = '/usr/lib'
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if not self.__parse():
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raise "file %s not found!!" %(la_filename)
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def __parse(self):
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"Retrieve the variables from a file"
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if not os.path.isfile(self.__la_filename): return 0
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la_file=open(self.__la_filename, 'r')
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for line in la_file:
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ln = line.strip()
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if not ln: continue
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if ln[0]=='#': continue
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(key, value) = str(ln).split('=', 1)
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key = key.strip()
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value = value.strip()
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if value == "no": value = False
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elif value == "yes": value = True
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else:
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try: value = int(value)
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except ValueError: value = value.strip("'")
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setattr(self, key, value)
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la_file.close()
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return 1
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def get_libs(self):
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"""return linkflags for this lib"""
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libs = []
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if self.dependency_libs:
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libs = str(self.dependency_libs).strip().split()
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if libs == None:
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libs = []
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# add la lib and libdir
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libs.insert(0, "-l%s" % self.linkname.strip())
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libs.insert(0, "-L%s" % self.libdir.strip())
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return libs
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def __str__(self):
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return '''\
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dlname = "%(dlname)s"
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library_names = "%(library_names)s"
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old_library = "%(old_library)s"
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dependency_libs = "%(dependency_libs)s"
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version = %(current)s.%(age)s.%(revision)s
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installed = "%(installed)s"
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shouldnotlink = "%(shouldnotlink)s"
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dlopen = "%(dlopen)s"
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dlpreopen = "%(dlpreopen)s"
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libdir = "%(libdir)s"''' % self.__dict__
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class libtool_config:
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def __init__ (self, la_filename):
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self.__libtool_la_file = libtool_la_file(la_filename)
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tmp = self.__libtool_la_file
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self.__version = [int(tmp.current), int(tmp.age), int(tmp.revision)]
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self.__sub_la_files = []
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self.__sub_la_files.append(la_filename)
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self.__libs = None
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def __cmp__(self, other):
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"""make it compareable with X.Y.Z versions (Y and Z are optional)"""
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if not other:
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return 1
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othervers = [int(s) for s in str(other).split(".")]
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selfvers = self.__version
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return cmp(selfvers, othervers)
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def __str__(self):
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return "\n".join([
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str(self.__libtool_la_file),
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' '.join(self.__libtool_la_file.get_libs()),
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'* New getlibs:',
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' '.join(self.get_libs())
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])
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def __get_la_libs(self, la_filename):
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return libtool_la_file(la_filename).get_libs()
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def get_libs(self):
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"""return the complete uniqe linkflags that do not
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contain .la files anymore"""
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libs_list = list(self.__libtool_la_file.get_libs())
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libs_map = {}
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while len(libs_list) > 0:
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entry = libs_list.pop(0)
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if entry:
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if str(entry).endswith(".la"):
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## prevents duplicate .la checks
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if entry not in self.__sub_la_files:
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self.__sub_la_files.append(entry)
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libs_list.extend(self.__get_la_libs(entry))
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else:
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libs_map[entry]=1
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self.__libs = libs_map.keys()
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return self.__libs
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def get_libs_only_L(self):
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if not self.__libs: self.get_libs()
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libs = self.__libs
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libs = [s for s in libs if str(s).startswith('-L')]
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return libs
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def get_libs_only_l(self):
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if not self.__libs: self.get_libs()
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libs = self.__libs
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libs = [s for s in libs if str(s).startswith('-l')]
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return libs
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def get_libs_only_other(self):
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if not self.__libs: self.get_libs()
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libs = self.__libs
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libs = [s for s in libs if not(str(s).startswith('-L')or str(s).startswith('-l'))]
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return libs
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def useCmdLine():
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"""parse cmdline args and control build"""
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usage = '''Usage: %prog [options] PathToFile.la
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example: %prog --atleast-version=2.0.0 /usr/lib/libIlmImf.la
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nor: %prog --libs /usr/lib/libamarok.la'''
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parser = optparse.OptionParser(usage)
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a = parser.add_option
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a("--version", dest = "versionNumber",
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action = "store_true", default = False,
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help = "output version of libtool-config"
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)
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a("--debug", dest = "debug",
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action = "store_true", default = False,
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help = "enable debug"
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)
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a("--libs", dest = "libs",
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action = "store_true", default = False,
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help = "output all linker flags"
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)
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a("--libs-only-l", dest = "libs_only_l",
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action = "store_true", default = False,
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help = "output -l flags"
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)
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a("--libs-only-L", dest = "libs_only_L",
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action = "store_true", default = False,
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help = "output -L flags"
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)
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a("--libs-only-other", dest = "libs_only_other",
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action = "store_true", default = False,
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help = "output other libs (e.g. -pthread)"
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)
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a("--atleast-version", dest = "atleast_version",
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default=None,
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help = "return 0 if the module is at least version ATLEAST_VERSION"
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)
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a("--exact-version", dest = "exact_version",
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default=None,
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help = "return 0 if the module is exactly version EXACT_VERSION"
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)
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a("--max-version", dest = "max_version",
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default=None,
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help = "return 0 if the module is at no newer than version MAX_VERSION"
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)
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(options, args) = parser.parse_args()
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if len(args) != 1 and not options.versionNumber:
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parser.error("incorrect number of arguments")
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if options.versionNumber:
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print("libtool-config version %s" % REVISION)
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return 0
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ltf = libtool_config(args[0])
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if options.debug:
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print(ltf)
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if options.atleast_version:
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if ltf >= options.atleast_version: return 0
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sys.exit(1)
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if options.exact_version:
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if ltf == options.exact_version: return 0
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sys.exit(1)
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if options.max_version:
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if ltf <= options.max_version: return 0
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sys.exit(1)
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def p(x):
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print(" ".join(x))
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if options.libs: p(ltf.get_libs())
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elif options.libs_only_l: p(ltf.get_libs_only_l())
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elif options.libs_only_L: p(ltf.get_libs_only_L())
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elif options.libs_only_other: p(ltf.get_libs_only_other())
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return 0
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if __name__ == '__main__':
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useCmdLine()
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