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Diffstat (limited to 'buildtools/wafadmin/Tools/libtool.py')
| -rw-r--r-- | buildtools/wafadmin/Tools/libtool.py | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/buildtools/wafadmin/Tools/libtool.py b/buildtools/wafadmin/Tools/libtool.py new file mode 100644 index 0000000000..47fa906fcc --- /dev/null +++ b/buildtools/wafadmin/Tools/libtool.py @@ -0,0 +1,330 @@ +#!/usr/bin/env python +# encoding: utf-8 +# Matthias Jahn, 2008, jahn matthias ath freenet punto de +# Thomas Nagy, 2008 (ita) + +import sys, re, os, optparse + +import TaskGen, Task, Utils, preproc +from Logs import error, debug, warn +from TaskGen import taskgen, after, before, feature + +REVISION="0.1.3" + +""" +if you want to use the code here, you must use something like this: +obj = obj.create(...) +obj.features.append("libtool") +obj.vnum = "1.2.3" # optional, but versioned libraries are common +""" + +# fake libtool files +fakelibtool_vardeps = ['CXX', 'PREFIX'] +def fakelibtool_build(task): + # Writes a .la file, used by libtool + env = task.env + dest = open(task.outputs[0].abspath(env), 'w') + sname = task.inputs[0].name + fu = dest.write + fu("# Generated by ltmain.sh - GNU libtool 1.5.18 - (pwn3d by BKsys II code name WAF)\n") + if env['vnum']: + nums = env['vnum'].split('.') + libname = task.inputs[0].name + name3 = libname+'.'+env['vnum'] + name2 = libname+'.'+nums[0] + name1 = libname + fu("dlname='%s'\n" % name2) + strn = " ".join([name3, name2, name1]) + fu("library_names='%s'\n" % (strn) ) + else: + fu("dlname='%s'\n" % sname) + fu("library_names='%s %s %s'\n" % (sname, sname, sname) ) + fu("old_library=''\n") + vars = ' '.join(env['libtoolvars']+env['LINKFLAGS']) + fu("dependency_libs='%s'\n" % vars) + fu("current=0\n") + fu("age=0\nrevision=0\ninstalled=yes\nshouldnotlink=no\n") + fu("dlopen=''\ndlpreopen=''\n") + fu("libdir='%s/lib'\n" % env['PREFIX']) + dest.close() + return 0 + +def read_la_file(path): + sp = re.compile(r'^([^=]+)=\'(.*)\'$') + dc={} + file = open(path, "r") + for line in file.readlines(): + try: + #print sp.split(line.strip()) + _, left, right, _ = sp.split(line.strip()) + dc[left]=right + except ValueError: + pass + file.close() + return dc + +@feature("libtool") +@after('apply_link') +def apply_link_libtool(self): + if self.type != 'program': + linktask = self.link_task + self.latask = self.create_task('fakelibtool', linktask.outputs, linktask.outputs[0].change_ext('.la')) + + if self.bld.is_install: + self.bld.install_files('${PREFIX}/lib', linktask.outputs[0], self.env) + +@feature("libtool") +@before('apply_core') +def apply_libtool(self): + self.env['vnum']=self.vnum + + paths=[] + libs=[] + libtool_files=[] + libtool_vars=[] + + for l in self.env['LINKFLAGS']: + if l[:2]=='-L': + paths.append(l[2:]) + elif l[:2]=='-l': + libs.append(l[2:]) + + for l in libs: + for p in paths: + dict = read_la_file(p+'/lib'+l+'.la') + linkflags2 = dict.get('dependency_libs', '') + for v in linkflags2.split(): + if v.endswith('.la'): + libtool_files.append(v) + libtool_vars.append(v) + continue + self.env.append_unique('LINKFLAGS', v) + break + + self.env['libtoolvars']=libtool_vars + + while libtool_files: + file = libtool_files.pop() + dict = read_la_file(file) + for v in dict['dependency_libs'].split(): + if v[-3:] == '.la': + libtool_files.append(v) + continue + self.env.append_unique('LINKFLAGS', v) + +Task.task_type_from_func('fakelibtool', vars=fakelibtool_vardeps, func=fakelibtool_build, color='BLUE', after="cc_link cxx_link static_link") + +class libtool_la_file: + def __init__ (self, la_filename): + self.__la_filename = la_filename + #remove path and .la suffix + self.linkname = str(os.path.split(la_filename)[-1])[:-3] + if self.linkname.startswith("lib"): + self.linkname = self.linkname[3:] + # The name that we can dlopen(3). + self.dlname = None + # Names of this library + self.library_names = None + # The name of the static archive. + self.old_library = None + # Libraries that this one depends upon. + self.dependency_libs = None + # Version information for libIlmImf. + self.current = None + self.age = None + self.revision = None + # Is this an already installed library? + self.installed = None + # Should we warn about portability when linking against -modules? + self.shouldnotlink = None + # Files to dlopen/dlpreopen + self.dlopen = None + self.dlpreopen = None + # Directory that this library needs to be installed in: + self.libdir = '/usr/lib' + if not self.__parse(): + raise ValueError("file %s not found!!" %(la_filename)) + + def __parse(self): + "Retrieve the variables from a file" + if not os.path.isfile(self.__la_filename): return 0 + la_file=open(self.__la_filename, 'r') + for line in la_file: + ln = line.strip() + if not ln: continue + if ln[0]=='#': continue + (key, value) = str(ln).split('=', 1) + key = key.strip() + value = value.strip() + if value == "no": value = False + elif value == "yes": value = True + else: + try: value = int(value) + except ValueError: value = value.strip("'") + setattr(self, key, value) + la_file.close() + return 1 + + def get_libs(self): + """return linkflags for this lib""" + libs = [] + if self.dependency_libs: + libs = str(self.dependency_libs).strip().split() + if libs == None: + libs = [] + # add la lib and libdir + libs.insert(0, "-l%s" % self.linkname.strip()) + libs.insert(0, "-L%s" % self.libdir.strip()) + return libs + + def __str__(self): + return '''\ +dlname = "%(dlname)s" +library_names = "%(library_names)s" +old_library = "%(old_library)s" +dependency_libs = "%(dependency_libs)s" +version = %(current)s.%(age)s.%(revision)s +installed = "%(installed)s" +shouldnotlink = "%(shouldnotlink)s" +dlopen = "%(dlopen)s" +dlpreopen = "%(dlpreopen)s" +libdir = "%(libdir)s"''' % self.__dict__ + +class libtool_config: + def __init__ (self, la_filename): + self.__libtool_la_file = libtool_la_file(la_filename) + tmp = self.__libtool_la_file + self.__version = [int(tmp.current), int(tmp.age), int(tmp.revision)] + self.__sub_la_files = [] + self.__sub_la_files.append(la_filename) + self.__libs = None + + def __cmp__(self, other): + """make it compareable with X.Y.Z versions (Y and Z are optional)""" + if not other: + return 1 + othervers = [int(s) for s in str(other).split(".")] + selfvers = self.__version + return cmp(selfvers, othervers) + + def __str__(self): + return "\n".join([ + str(self.__libtool_la_file), + ' '.join(self.__libtool_la_file.get_libs()), + '* New getlibs:', + ' '.join(self.get_libs()) + ]) + + def __get_la_libs(self, la_filename): + return libtool_la_file(la_filename).get_libs() + + def get_libs(self): + """return the complete uniqe linkflags that do not + contain .la files anymore""" + libs_list = list(self.__libtool_la_file.get_libs()) + libs_map = {} + while len(libs_list) > 0: + entry = libs_list.pop(0) + if entry: + if str(entry).endswith(".la"): + ## prevents duplicate .la checks + if entry not in self.__sub_la_files: + self.__sub_la_files.append(entry) + libs_list.extend(self.__get_la_libs(entry)) + else: + libs_map[entry]=1 + self.__libs = libs_map.keys() + return self.__libs + + def get_libs_only_L(self): + if not self.__libs: self.get_libs() + libs = self.__libs + libs = [s for s in libs if str(s).startswith('-L')] + return libs + + def get_libs_only_l(self): + if not self.__libs: self.get_libs() + libs = self.__libs + libs = [s for s in libs if str(s).startswith('-l')] + return libs + + def get_libs_only_other(self): + if not self.__libs: self.get_libs() + libs = self.__libs + libs = [s for s in libs if not(str(s).startswith('-L')or str(s).startswith('-l'))] + return libs + +def useCmdLine(): + """parse cmdline args and control build""" + usage = '''Usage: %prog [options] PathToFile.la +example: %prog --atleast-version=2.0.0 /usr/lib/libIlmImf.la +nor: %prog --libs /usr/lib/libamarok.la''' + parser = optparse.OptionParser(usage) + a = parser.add_option + a("--version", dest = "versionNumber", + action = "store_true", default = False, + help = "output version of libtool-config" + ) + a("--debug", dest = "debug", + action = "store_true", default = False, + help = "enable debug" + ) + a("--libs", dest = "libs", + action = "store_true", default = False, + help = "output all linker flags" + ) + a("--libs-only-l", dest = "libs_only_l", + action = "store_true", default = False, + help = "output -l flags" + ) + a("--libs-only-L", dest = "libs_only_L", + action = "store_true", default = False, + help = "output -L flags" + ) + a("--libs-only-other", dest = "libs_only_other", + action = "store_true", default = False, + help = "output other libs (e.g. -pthread)" + ) + a("--atleast-version", dest = "atleast_version", + default=None, + help = "return 0 if the module is at least version ATLEAST_VERSION" + ) + a("--exact-version", dest = "exact_version", + default=None, + help = "return 0 if the module is exactly version EXACT_VERSION" + ) + a("--max-version", dest = "max_version", + default=None, + help = "return 0 if the module is at no newer than version MAX_VERSION" + ) + + (options, args) = parser.parse_args() + if len(args) != 1 and not options.versionNumber: + parser.error("incorrect number of arguments") + if options.versionNumber: + print("libtool-config version %s" % REVISION) + return 0 + ltf = libtool_config(args[0]) + if options.debug: + print(ltf) + if options.atleast_version: + if ltf >= options.atleast_version: return 0 + sys.exit(1) + if options.exact_version: + if ltf == options.exact_version: return 0 + sys.exit(1) + if options.max_version: + if ltf <= options.max_version: return 0 + sys.exit(1) + + def p(x): + print(" ".join(x)) + if options.libs: p(ltf.get_libs()) + elif options.libs_only_l: p(ltf.get_libs_only_l()) + elif options.libs_only_L: p(ltf.get_libs_only_L()) + elif options.libs_only_other: p(ltf.get_libs_only_other()) + return 0 + +if __name__ == '__main__': + useCmdLine() + |