mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
5a317f7d8e
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
733 lines
23 KiB
Python
733 lines
23 KiB
Python
# a waf tool to add autoconf-like macros to the configure section
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# and for SAMBA_ macros for building libraries, binaries etc
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import errno
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import os, sys, re, fnmatch, shlex, inspect
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from optparse import SUPPRESS_HELP
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from waflib import Build, Options, Utils, Task, Logs, Configure, Errors, Context
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from waflib import Scripting
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from waflib.TaskGen import feature, before, after
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from waflib.Configure import ConfigurationContext
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from waflib.Logs import debug
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from waflib import ConfigSet
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from waflib.Build import CACHE_SUFFIX
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# TODO: make this a --option
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LIB_PATH="shared"
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# Py3 transition helper function to get a string from a variable that
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# may be 'str' or 'bytes'. If 'bytes' then it is decoded using 'utf8'.
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# If 'str' is passed it is returned unchanged.
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def get_string(bytesorstring):
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tmp = bytesorstring
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if isinstance(bytesorstring, bytes):
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tmp = bytesorstring.decode('utf8')
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elif not isinstance(bytesorstring, str):
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raise ValueError('Expected byte of string for %s:%s' % (type(bytesorstring), bytesorstring))
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return tmp
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# sigh, python octal constants are a mess
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MODE_644 = int('644', 8)
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MODE_744 = int('744', 8)
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MODE_755 = int('755', 8)
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MODE_777 = int('777', 8)
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def conf(f):
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# override in order to propagate the argument "mandatory"
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def fun(*k, **kw):
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mandatory = True
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if 'mandatory' in kw:
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mandatory = kw['mandatory']
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del kw['mandatory']
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try:
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return f(*k, **kw)
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except Errors.ConfigurationError:
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if mandatory:
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raise
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fun.__name__ = f.__name__
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if 'mandatory' in inspect.getsource(f):
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fun = f
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setattr(Configure.ConfigurationContext, f.__name__, fun)
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setattr(Build.BuildContext, f.__name__, fun)
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return f
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Configure.conf = conf
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Configure.conftest = conf
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@conf
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def SET_TARGET_TYPE(ctx, target, value):
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'''set the target type of a target'''
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cache = LOCAL_CACHE(ctx, 'TARGET_TYPE')
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if target in cache and cache[target] != 'EMPTY':
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Logs.error("ERROR: Target '%s' in directory %s re-defined as %s - was %s" % (target, ctx.path.abspath(), value, cache[target]))
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sys.exit(1)
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LOCAL_CACHE_SET(ctx, 'TARGET_TYPE', target, value)
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debug("task_gen: Target '%s' created of type '%s' in %s" % (target, value, ctx.path.abspath()))
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return True
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def GET_TARGET_TYPE(ctx, target):
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'''get target type from cache'''
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cache = LOCAL_CACHE(ctx, 'TARGET_TYPE')
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if not target in cache:
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return None
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return cache[target]
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def ADD_LD_LIBRARY_PATH(path):
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'''add something to LD_LIBRARY_PATH'''
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if 'LD_LIBRARY_PATH' in os.environ:
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oldpath = os.environ['LD_LIBRARY_PATH']
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else:
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oldpath = ''
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newpath = oldpath.split(':')
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if not path in newpath:
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newpath.append(path)
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os.environ['LD_LIBRARY_PATH'] = ':'.join(newpath)
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def needs_private_lib(bld, target):
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'''return True if a target links to a private library'''
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for lib in getattr(target, "final_libs", []):
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t = bld.get_tgen_by_name(lib)
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if t and getattr(t, 'private_library', False):
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return True
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return False
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def install_rpath(target):
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'''the rpath value for installation'''
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bld = target.bld
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bld.env['RPATH'] = []
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ret = set()
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if bld.env.RPATH_ON_INSTALL:
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ret.add(bld.EXPAND_VARIABLES(bld.env.LIBDIR))
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if bld.env.RPATH_ON_INSTALL_PRIVATE and needs_private_lib(bld, target):
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ret.add(bld.EXPAND_VARIABLES(bld.env.PRIVATELIBDIR))
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return list(ret)
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def build_rpath(bld):
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'''the rpath value for build'''
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rpaths = [os.path.normpath('%s/%s' % (bld.env.BUILD_DIRECTORY, d)) for d in ("shared", "shared/private")]
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bld.env['RPATH'] = []
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if bld.env.RPATH_ON_BUILD:
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return rpaths
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for rpath in rpaths:
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ADD_LD_LIBRARY_PATH(rpath)
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return []
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@conf
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def LOCAL_CACHE(ctx, name):
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'''return a named build cache dictionary, used to store
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state inside other functions'''
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if name in ctx.env:
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return ctx.env[name]
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ctx.env[name] = {}
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return ctx.env[name]
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@conf
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def LOCAL_CACHE_SET(ctx, cachename, key, value):
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'''set a value in a local cache'''
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cache = LOCAL_CACHE(ctx, cachename)
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cache[key] = value
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@conf
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def ASSERT(ctx, expression, msg):
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'''a build assert call'''
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if not expression:
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raise Errors.WafError("ERROR: %s\n" % msg)
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Build.BuildContext.ASSERT = ASSERT
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def SUBDIR(bld, subdir, list):
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'''create a list of files by pre-pending each with a subdir name'''
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ret = ''
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for l in TO_LIST(list):
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ret = ret + os.path.normpath(os.path.join(subdir, l)) + ' '
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return ret
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Build.BuildContext.SUBDIR = SUBDIR
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def dict_concat(d1, d2):
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'''concatenate two dictionaries d1 += d2'''
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for t in d2:
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if t not in d1:
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d1[t] = d2[t]
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def ADD_COMMAND(opt, name, function):
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'''add a new top level command to waf'''
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Context.g_module.__dict__[name] = function
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opt.name = function
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Options.OptionsContext.ADD_COMMAND = ADD_COMMAND
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@feature('c', 'cc', 'cshlib', 'cprogram')
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@before('apply_core','exec_rule')
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def process_depends_on(self):
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'''The new depends_on attribute for build rules
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allow us to specify a dependency on output from
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a source generation rule'''
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if getattr(self , 'depends_on', None):
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lst = self.to_list(self.depends_on)
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for x in lst:
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y = self.bld.get_tgen_by_name(x)
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self.bld.ASSERT(y is not None, "Failed to find dependency %s of %s" % (x, self.name))
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y.post()
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if getattr(y, 'more_includes', None):
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self.includes += " " + y.more_includes
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def unique_list(seq):
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'''return a uniquified list in the same order as the existing list'''
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seen = {}
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result = []
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for item in seq:
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if item in seen: continue
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seen[item] = True
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result.append(item)
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return result
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def TO_LIST(str, delimiter=None):
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'''Split a list, preserving quoted strings and existing lists'''
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if str is None:
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return []
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if isinstance(str, list):
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# we need to return a new independent list...
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return list(str)
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if len(str) == 0:
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return []
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lst = str.split(delimiter)
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# the string may have had quotes in it, now we
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# check if we did have quotes, and use the slower shlex
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# if we need to
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for e in lst:
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if e[0] == '"':
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return shlex.split(str)
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return lst
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def subst_vars_error(string, env):
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'''substitute vars, throw an error if a variable is not defined'''
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lst = re.split(r'(\$\{\w+\})', string)
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out = []
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for v in lst:
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if re.match(r'\$\{\w+\}', v):
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vname = v[2:-1]
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if not vname in env:
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raise KeyError("Failed to find variable %s in %s in env %s <%s>" % (vname, string, env.__class__, str(env)))
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v = env[vname]
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if isinstance(v, list):
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v = ' '.join(v)
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out.append(v)
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return ''.join(out)
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@conf
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def SUBST_ENV_VAR(ctx, varname):
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'''Substitute an environment variable for any embedded variables'''
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return subst_vars_error(ctx.env[varname], ctx.env)
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Build.BuildContext.SUBST_ENV_VAR = SUBST_ENV_VAR
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def recursive_dirlist(dir, relbase, pattern=None):
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'''recursive directory list'''
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ret = []
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for f in os.listdir(dir):
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f2 = dir + '/' + f
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if os.path.isdir(f2):
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ret.extend(recursive_dirlist(f2, relbase))
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else:
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if pattern and not fnmatch.fnmatch(f, pattern):
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continue
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ret.append(os.path.relpath(f2, relbase))
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return ret
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def symlink(src, dst, force=True):
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"""Can create symlink by force"""
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try:
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os.symlink(src, dst)
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except OSError as exc:
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if exc.errno == errno.EEXIST and force:
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os.remove(dst)
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os.symlink(src, dst)
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else:
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raise
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def mkdir_p(dir):
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'''like mkdir -p'''
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if not dir:
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return
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if dir.endswith("/"):
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mkdir_p(dir[:-1])
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return
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if os.path.isdir(dir):
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return
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mkdir_p(os.path.dirname(dir))
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os.mkdir(dir)
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def SUBST_VARS_RECURSIVE(string, env):
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'''recursively expand variables'''
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if string is None:
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return string
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limit=100
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while (string.find('${') != -1 and limit > 0):
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string = subst_vars_error(string, env)
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limit -= 1
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return string
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@conf
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def EXPAND_VARIABLES(ctx, varstr, vars=None):
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'''expand variables from a user supplied dictionary
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This is most useful when you pass vars=locals() to expand
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all your local variables in strings
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'''
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if isinstance(varstr, list):
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ret = []
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for s in varstr:
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ret.append(EXPAND_VARIABLES(ctx, s, vars=vars))
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return ret
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if not isinstance(varstr, str):
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return varstr
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env = ConfigSet.ConfigSet()
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ret = varstr
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# substitute on user supplied dict if available
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if vars is not None:
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for v in vars.keys():
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env[v] = vars[v]
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ret = SUBST_VARS_RECURSIVE(ret, env)
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# if anything left, subst on the environment as well
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if ret.find('${') != -1:
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ret = SUBST_VARS_RECURSIVE(ret, ctx.env)
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# make sure there is nothing left. Also check for the common
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# typo of $( instead of ${
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if ret.find('${') != -1 or ret.find('$(') != -1:
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Logs.error('Failed to substitute all variables in varstr=%s' % ret)
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sys.exit(1)
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return ret
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Build.BuildContext.EXPAND_VARIABLES = EXPAND_VARIABLES
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def RUN_COMMAND(cmd,
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env=None,
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shell=False):
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'''run a external command, return exit code or signal'''
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if env:
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cmd = SUBST_VARS_RECURSIVE(cmd, env)
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status = os.system(cmd)
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if os.WIFEXITED(status):
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return os.WEXITSTATUS(status)
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if os.WIFSIGNALED(status):
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return - os.WTERMSIG(status)
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Logs.error("Unknown exit reason %d for command: %s" % (status, cmd))
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return -1
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def RUN_PYTHON_TESTS(testfiles, pythonpath=None, extra_env=None):
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env = LOAD_ENVIRONMENT()
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if pythonpath is None:
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pythonpath = os.path.join(Context.g_module.out, 'python')
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result = 0
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for interp in env.python_interpreters:
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if not isinstance(interp, str):
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interp = ' '.join(interp)
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for testfile in testfiles:
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cmd = "PYTHONPATH=%s %s %s" % (pythonpath, interp, testfile)
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if extra_env:
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for key, value in extra_env.items():
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cmd = "%s=%s %s" % (key, value, cmd)
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print('Running Python test with %s: %s' % (interp, testfile))
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ret = RUN_COMMAND(cmd)
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if ret:
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print('Python test failed: %s' % cmd)
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result = ret
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return result
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# make sure we have md5. some systems don't have it
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try:
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from hashlib import md5
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# Even if hashlib.md5 exists, it may be unusable.
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# Try to use MD5 function. In FIPS mode this will cause an exception
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# and we'll get to the replacement code
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foo = md5(b'abcd')
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except:
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try:
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import md5
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# repeat the same check here, mere success of import is not enough.
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# Try to use MD5 function. In FIPS mode this will cause an exception
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foo = md5.md5(b'abcd')
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except:
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Context.SIG_NIL = hash('abcd')
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class replace_md5(object):
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def __init__(self):
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self.val = None
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def update(self, val):
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self.val = hash((self.val, val))
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def digest(self):
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return str(self.val)
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def hexdigest(self):
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return self.digest().encode('hex')
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def replace_h_file(filename):
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f = open(filename, 'rb')
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m = replace_md5()
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while (filename):
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filename = f.read(100000)
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m.update(filename)
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f.close()
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return m.digest()
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Utils.md5 = replace_md5
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Task.md5 = replace_md5
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Utils.h_file = replace_h_file
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def LOAD_ENVIRONMENT():
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'''load the configuration environment, allowing access to env vars
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from new commands'''
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env = ConfigSet.ConfigSet()
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try:
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p = os.path.join(Context.g_module.out, 'c4che/default'+CACHE_SUFFIX)
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env.load(p)
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except (OSError, IOError):
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pass
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return env
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def IS_NEWER(bld, file1, file2):
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'''return True if file1 is newer than file2'''
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curdir = bld.path.abspath()
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t1 = os.stat(os.path.join(curdir, file1)).st_mtime
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t2 = os.stat(os.path.join(curdir, file2)).st_mtime
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return t1 > t2
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Build.BuildContext.IS_NEWER = IS_NEWER
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@conf
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def RECURSE(ctx, directory):
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'''recurse into a directory, relative to the curdir or top level'''
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try:
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visited_dirs = ctx.visited_dirs
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except AttributeError:
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visited_dirs = ctx.visited_dirs = set()
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d = os.path.join(ctx.path.abspath(), directory)
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if os.path.exists(d):
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abspath = os.path.abspath(d)
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else:
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abspath = os.path.abspath(os.path.join(Context.g_module.top, directory))
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ctxclass = ctx.__class__.__name__
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key = ctxclass + ':' + abspath
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if key in visited_dirs:
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# already done it
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return
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visited_dirs.add(key)
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relpath = os.path.relpath(abspath, ctx.path.abspath())
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if ctxclass in ['OptionsContext',
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'ConfigurationContext',
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'BuildContext',
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'CleanContext',
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'InstallContext',
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'UninstallContext',
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'ListContext']:
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return ctx.recurse(relpath)
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if 'waflib.extras.compat15' in sys.modules:
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return ctx.recurse(relpath)
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raise Errors.WafError('Unknown RECURSE context class: {}'.format(ctxclass))
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Options.OptionsContext.RECURSE = RECURSE
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Build.BuildContext.RECURSE = RECURSE
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|
|
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def CHECK_MAKEFLAGS(options):
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'''check for MAKEFLAGS environment variable in case we are being
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called from a Makefile try to honor a few make command line flags'''
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if not 'WAF_MAKE' in os.environ:
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return
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makeflags = os.environ.get('MAKEFLAGS')
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if makeflags is None:
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makeflags = ""
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jobs_set = False
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jobs = None
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# we need to use shlex.split to cope with the escaping of spaces
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# in makeflags
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for opt in shlex.split(makeflags):
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# options can come either as -x or as x
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if opt[0:2] == 'V=':
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options.verbose = Logs.verbose = int(opt[2:])
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if Logs.verbose > 0:
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Logs.zones = ['runner']
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if Logs.verbose > 2:
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Logs.zones = ['*']
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elif opt[0].isupper() and opt.find('=') != -1:
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# this allows us to set waf options on the make command line
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# for example, if you do "make FOO=blah", then we set the
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# option 'FOO' in Options.options, to blah. If you look in wafsamba/wscript
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# you will see that the command line accessible options have their dest=
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# set to uppercase, to allow for passing of options from make in this way
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# this is also how "make test TESTS=testpattern" works, and
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# "make VERBOSE=1" as well as things like "make SYMBOLCHECK=1"
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loc = opt.find('=')
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setattr(options, opt[0:loc], opt[loc+1:])
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elif opt[0] != '-':
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for v in opt:
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if re.search(r'j[0-9]*$', v):
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jobs_set = True
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jobs = opt.strip('j')
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|
elif v == 'k':
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options.keep = True
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elif re.search(r'-j[0-9]*$', opt):
|
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jobs_set = True
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jobs = opt.strip('-j')
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|
elif opt == '-k':
|
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options.keep = True
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if not jobs_set:
|
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# default to one job
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options.jobs = 1
|
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elif jobs_set and jobs:
|
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options.jobs = int(jobs)
|
|
|
|
waflib_options_parse_cmd_args = Options.OptionsContext.parse_cmd_args
|
|
def wafsamba_options_parse_cmd_args(self, _args=None, cwd=None, allow_unknown=False):
|
|
(options, commands, envvars) = \
|
|
waflib_options_parse_cmd_args(self,
|
|
_args=_args,
|
|
cwd=cwd,
|
|
allow_unknown=allow_unknown)
|
|
CHECK_MAKEFLAGS(options)
|
|
if options.jobs == 1:
|
|
#
|
|
# waflib.Runner.Parallel processes jobs inline if the possible number
|
|
# of jobs is just 1. But (at least in waf <= 2.0.12) it still calls
|
|
# create a waflib.Runner.Spawner() which creates a single
|
|
# waflib.Runner.Consumer() thread that tries to process jobs from the
|
|
# queue.
|
|
#
|
|
# This has strange effects, which are not noticed typically,
|
|
# but at least on AIX python has broken threading and fails
|
|
# in random ways.
|
|
#
|
|
# So we just add a dummy Spawner class.
|
|
class NoOpSpawner(object):
|
|
def __init__(self, master):
|
|
return
|
|
from waflib import Runner
|
|
Runner.Spawner = NoOpSpawner
|
|
return options, commands, envvars
|
|
Options.OptionsContext.parse_cmd_args = wafsamba_options_parse_cmd_args
|
|
|
|
option_groups = {}
|
|
|
|
def option_group(opt, name):
|
|
'''find or create an option group'''
|
|
global option_groups
|
|
if name in option_groups:
|
|
return option_groups[name]
|
|
gr = opt.add_option_group(name)
|
|
option_groups[name] = gr
|
|
return gr
|
|
Options.OptionsContext.option_group = option_group
|
|
|
|
|
|
def save_file(filename, contents, create_dir=False):
|
|
'''save data to a file'''
|
|
if create_dir:
|
|
mkdir_p(os.path.dirname(filename))
|
|
try:
|
|
f = open(filename, 'w')
|
|
f.write(contents)
|
|
f.close()
|
|
except:
|
|
return False
|
|
return True
|
|
|
|
|
|
def load_file(filename):
|
|
'''return contents of a file'''
|
|
try:
|
|
f = open(filename, 'r')
|
|
r = f.read()
|
|
f.close()
|
|
except:
|
|
return None
|
|
return r
|
|
|
|
|
|
def reconfigure(ctx):
|
|
'''rerun configure if necessary'''
|
|
if not os.path.exists(os.environ.get('WAFLOCK', '.lock-wscript')):
|
|
raise Errors.WafError('configure has not been run')
|
|
import samba_wildcard
|
|
bld = samba_wildcard.fake_build_environment()
|
|
Configure.autoconfig = True
|
|
Scripting.check_configured(bld)
|
|
|
|
|
|
def map_shlib_extension(ctx, name, python=False):
|
|
'''map a filename with a shared library extension of .so to the real shlib name'''
|
|
if name is None:
|
|
return None
|
|
if name[-1:].isdigit():
|
|
# some libraries have specified versions in the wscript rule
|
|
return name
|
|
(root1, ext1) = os.path.splitext(name)
|
|
if python:
|
|
return ctx.env.pyext_PATTERN % root1
|
|
else:
|
|
(root2, ext2) = os.path.splitext(ctx.env.cshlib_PATTERN)
|
|
return root1+ext2
|
|
Build.BuildContext.map_shlib_extension = map_shlib_extension
|
|
|
|
def apply_pattern(filename, pattern):
|
|
'''apply a filename pattern to a filename that may have a directory component'''
|
|
dirname = os.path.dirname(filename)
|
|
if not dirname:
|
|
return pattern % filename
|
|
basename = os.path.basename(filename)
|
|
return os.path.join(dirname, pattern % basename)
|
|
|
|
def make_libname(ctx, name, nolibprefix=False, version=None, python=False):
|
|
"""make a library filename
|
|
Options:
|
|
nolibprefix: don't include the lib prefix
|
|
version : add a version number
|
|
python : if we should use python module name conventions"""
|
|
|
|
if python:
|
|
libname = apply_pattern(name, ctx.env.pyext_PATTERN)
|
|
else:
|
|
libname = apply_pattern(name, ctx.env.cshlib_PATTERN)
|
|
if nolibprefix and libname[0:3] == 'lib':
|
|
libname = libname[3:]
|
|
if version:
|
|
if version[0] == '.':
|
|
version = version[1:]
|
|
(root, ext) = os.path.splitext(libname)
|
|
if ext == ".dylib":
|
|
# special case - version goes before the prefix
|
|
libname = "%s.%s%s" % (root, version, ext)
|
|
else:
|
|
libname = "%s%s.%s" % (root, ext, version)
|
|
return libname
|
|
Build.BuildContext.make_libname = make_libname
|
|
|
|
|
|
def get_tgt_list(bld):
|
|
'''return a list of build objects for samba'''
|
|
|
|
targets = LOCAL_CACHE(bld, 'TARGET_TYPE')
|
|
|
|
# build a list of task generators we are interested in
|
|
tgt_list = []
|
|
for tgt in targets:
|
|
type = targets[tgt]
|
|
if not type in ['SUBSYSTEM', 'BUILTIN', 'MODULE', 'BINARY', 'LIBRARY', 'PLUGIN', 'ASN1', 'PYTHON']:
|
|
continue
|
|
t = bld.get_tgen_by_name(tgt)
|
|
if t is None:
|
|
Logs.error("Target %s of type %s has no task generator" % (tgt, type))
|
|
sys.exit(1)
|
|
tgt_list.append(t)
|
|
return tgt_list
|
|
|
|
from waflib.Context import WSCRIPT_FILE
|
|
def PROCESS_SEPARATE_RULE(self, rule):
|
|
''' cause waf to process additional script based on `rule'.
|
|
You should have file named wscript_<stage>_rule in the current directory
|
|
where stage is either 'configure' or 'build'
|
|
'''
|
|
stage = ''
|
|
if isinstance(self, Configure.ConfigurationContext):
|
|
stage = 'configure'
|
|
elif isinstance(self, Build.BuildContext):
|
|
stage = 'build'
|
|
file_path = os.path.join(self.path.abspath(), WSCRIPT_FILE+'_'+stage+'_'+rule)
|
|
node = self.root.find_node(file_path)
|
|
if node:
|
|
try:
|
|
cache = self.recurse_cache
|
|
except AttributeError:
|
|
cache = self.recurse_cache = {}
|
|
if node not in cache:
|
|
cache[node] = True
|
|
self.pre_recurse(node)
|
|
try:
|
|
function_code = node.read('r', None)
|
|
exec(compile(function_code, node.abspath(), 'exec'), self.exec_dict)
|
|
finally:
|
|
self.post_recurse(node)
|
|
|
|
Build.BuildContext.PROCESS_SEPARATE_RULE = PROCESS_SEPARATE_RULE
|
|
ConfigurationContext.PROCESS_SEPARATE_RULE = PROCESS_SEPARATE_RULE
|
|
|
|
def AD_DC_BUILD_IS_ENABLED(self):
|
|
if self.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
|
|
return True
|
|
return False
|
|
|
|
Build.BuildContext.AD_DC_BUILD_IS_ENABLED = AD_DC_BUILD_IS_ENABLED
|
|
|
|
@feature('cprogram', 'cshlib', 'cstaticlib')
|
|
@after('apply_lib_vars')
|
|
@before('apply_obj_vars')
|
|
def samba_before_apply_obj_vars(self):
|
|
"""before apply_obj_vars for uselib, this removes the standard paths"""
|
|
|
|
def is_standard_libpath(env, path):
|
|
normalized_path = os.path.normpath(path)
|
|
for _path in env.STANDARD_LIBPATH:
|
|
if _path == normalized_path:
|
|
return True
|
|
return False
|
|
|
|
v = self.env
|
|
|
|
for i in v['RPATH']:
|
|
if is_standard_libpath(v, i):
|
|
v['RPATH'].remove(i)
|
|
|
|
for i in v['LIBPATH']:
|
|
if is_standard_libpath(v, i):
|
|
v['LIBPATH'].remove(i)
|
|
|
|
# Samba options are mostly on by default (administrators and packagers
|
|
# specify features to remove, not add), which is why default=True
|
|
|
|
def samba_add_onoff_option(opt, option, help=(), dest=None, default=True,
|
|
with_name="with", without_name="without"):
|
|
if default is None:
|
|
default_str = "auto"
|
|
elif default is True:
|
|
default_str = "yes"
|
|
elif default is False:
|
|
default_str = "no"
|
|
else:
|
|
default_str = str(default)
|
|
|
|
if help == ():
|
|
help = ("Build with %s support (default=%s)" % (option, default_str))
|
|
if dest is None:
|
|
dest = "with_%s" % option.replace('-', '_')
|
|
|
|
with_val = "--%s-%s" % (with_name, option)
|
|
without_val = "--%s-%s" % (without_name, option)
|
|
|
|
opt.add_option(with_val, help=help, action="store_true", dest=dest,
|
|
default=default)
|
|
opt.add_option(without_val, help=SUPPRESS_HELP, action="store_false",
|
|
dest=dest)
|
|
Options.OptionsContext.samba_add_onoff_option = samba_add_onoff_option
|