# a waf tool to add autoconf-like macros to the configure section
# and for SAMBA_ macros for building libraries, binaries etc
-import Build, os, sys, Options, Utils
+import Build, os, sys, Options, Utils, Task, re, fnmatch
from TaskGen import feature, before
from Configure import conf
from Logs import debug
LIB_PATH="shared"
-##########################################################
-# create a node with a new name, based on an existing node
-def NEW_NODE(node, name):
- ret = node.parent.find_or_declare([name])
- ASSERT(node, ret is not None, "Unable to find new target with name '%s' from '%s'" % (
- name, node.name))
- return ret
-
-
-#############################################################
-# set a value in a local cache
-# return False if it's already set
+@conf
def SET_TARGET_TYPE(ctx, target, value):
+ '''set the target type of a target'''
cache = LOCAL_CACHE(ctx, 'TARGET_TYPE')
if target in cache:
ASSERT(ctx, cache[target] == value,
debug("task_gen: Target '%s' created of type '%s' in %s" % (target, value, ctx.curdir))
return True
+
+def GET_TARGET_TYPE(ctx, target):
+ '''get target type from cache'''
+ cache = LOCAL_CACHE(ctx, 'TARGET_TYPE')
+ if not target in cache:
+ return None
+ return cache[target]
+
+
######################################################
# this is used as a decorator to make functions only
# run once. Based on the idea from
# http://stackoverflow.com/questions/815110/is-there-a-decorator-to-simply-cache-function-return-values
runonce_ret = {}
def runonce(function):
- def wrapper(*args):
+ def runonce_wrapper(*args):
if args in runonce_ret:
return runonce_ret[args]
else:
ret = function(*args)
runonce_ret[args] = ret
return ret
- return wrapper
-
+ return runonce_wrapper
-################################################################
-# magic rpath handling
-#
-# we want a different rpath when installing and when building
-# Note that this should really check if rpath is available on this platform
-# and it should also honor an --enable-rpath option
-def set_rpath(bld):
- if Options.is_install:
- if bld.env['RPATH_ON_INSTALL']:
- bld.env['RPATH'] = ['-Wl,-rpath=%s/lib' % bld.env.PREFIX]
- else:
- bld.env['RPATH'] = []
+def ADD_LD_LIBRARY_PATH(path):
+ '''add something to LD_LIBRARY_PATH'''
+ if 'LD_LIBRARY_PATH' in os.environ:
+ oldpath = os.environ['LD_LIBRARY_PATH']
else:
- rpath = os.path.normpath('%s/%s' % (bld.env['BUILD_DIRECTORY'], LIB_PATH))
- bld.env.append_value('RPATH', '-Wl,-rpath=%s' % rpath)
-Build.BuildContext.set_rpath = set_rpath
+ oldpath = ''
+ newpath = oldpath.split(':')
+ if not path in newpath:
+ newpath.append(path)
+ os.environ['LD_LIBRARY_PATH'] = ':'.join(newpath)
+
+
+def install_rpath(bld):
+ '''the rpath value for installation'''
+ bld.env['RPATH'] = []
+ bld.env['RPATH_ST'] = []
+ if bld.env.RPATH_ON_INSTALL:
+ return ['-Wl,-rpath=%s/lib' % bld.env.PREFIX]
+ return []
+
+
+def build_rpath(bld):
+ '''the rpath value for build'''
+ rpath = os.path.normpath('%s/%s' % (bld.env['BUILD_DIRECTORY'], LIB_PATH))
+ bld.env['RPATH'] = []
+ bld.env['RPATH_ST'] = []
+ if bld.env.RPATH_ON_BUILD:
+ return ['-Wl,-rpath=%s' % rpath]
+ ADD_LD_LIBRARY_PATH(rpath)
+ return []
-#############################################################
-# return a named build cache dictionary, used to store
-# state inside the following functions
@conf
def LOCAL_CACHE(ctx, name):
+ '''return a named build cache dictionary, used to store
+ state inside other functions'''
if name in ctx.env:
return ctx.env[name]
ctx.env[name] = {}
return ctx.env[name]
-#############################################################
-# set a value in a local cache
@conf
def LOCAL_CACHE_SET(ctx, cachename, key, value):
+ '''set a value in a local cache'''
cache = LOCAL_CACHE(ctx, cachename)
cache[key] = value
-#############################################################
-# a build assert call
+
@conf
def ASSERT(ctx, expression, msg):
+ '''a build assert call'''
if not expression:
sys.stderr.write("ERROR: %s\n" % msg)
raise AssertionError
Build.BuildContext.ASSERT = ASSERT
-################################################################
-# create a list of files by pre-pending each with a subdir name
+
def SUBDIR(bld, subdir, list):
+ '''create a list of files by pre-pending each with a subdir name'''
ret = ''
for l in TO_LIST(list):
ret = ret + os.path.normpath(os.path.join(subdir, l)) + ' '
return ret
Build.BuildContext.SUBDIR = SUBDIR
-#######################################################
-# d1 += d2
+
def dict_concat(d1, d2):
+ '''concatenate two dictionaries d1 += d2'''
for t in d2:
if t not in d1:
d1[t] = d2[t]
-############################################################
-# this overrides the 'waf -v' debug output to be in a nice
-# unix like format instead of a python list.
-# Thanks to ita on #waf for this
+
def exec_command(self, cmd, **kw):
+ '''this overrides the 'waf -v' debug output to be in a nice
+ unix like format instead of a python list.
+ Thanks to ita on #waf for this'''
import Utils, Logs
_cmd = cmd
if isinstance(cmd, list):
Build.BuildContext.exec_command = exec_command
-##########################################################
-# add a new top level command to waf
def ADD_COMMAND(opt, name, function):
+ '''add a new top level command to waf'''
Utils.g_module.__dict__[name] = function
opt.name = function
Options.Handler.ADD_COMMAND = ADD_COMMAND
self.includes += " " + y.more_includes
-#@feature('cprogram', 'cc', 'cshlib')
-#@before('apply_core')
-#def process_generated_dependencies(self):
-# '''Ensure that any dependent source generation happens
-# before any task that requires the output'''
-# if getattr(self , 'depends_on', None):
-# lst = self.to_list(self.depends_on)
-# for x in lst:
-# y = self.bld.name_to_obj(x, self.env)
-# y.post()
-
-
-#import TaskGen, Task
-#
-#old_post_run = Task.Task.post_run
-#def new_post_run(self):
-# self.cached = True
-# return old_post_run(self)
-#
-#for y in ['cc', 'cxx']:
-# TaskGen.classes[y].post_run = new_post_run
-
-def ENABLE_MAGIC_ORDERING(bld):
- '''enable automatic build order constraint calculation
- see page 35 of the waf book'''
- print "NOT Enabling magic ordering"
- #bld.use_the_magic()
-Build.BuildContext.ENABLE_MAGIC_ORDERING = ENABLE_MAGIC_ORDERING
-
-
os_path_relpath = getattr(os.path, 'relpath', None)
if os_path_relpath is None:
# Python < 2.6 does not have os.path.relpath, provide a replacement
return os.path.join(*rel_list)
-# this is a useful way of debugging some of the rules in waf
-from TaskGen import feature, after
-@feature('dbg')
-@after('apply_core', 'apply_obj_vars_cc')
-def dbg(self):
- if self.target == 'HEIMDAL_HEIM_ASN1':
- print "@@@@@@@@@@@@@@2", self.includes, self.env._CCINCFLAGS
-
def unique_list(seq):
'''return a uniquified list in the same order as the existing list'''
seen = {}
result.append(item)
return result
+
def TO_LIST(str):
'''Split a list, preserving quoted strings and existing lists'''
+ if str is None:
+ return []
if isinstance(str, list):
return str
lst = str.split()
return shlex.split(str)
return lst
+
+def subst_vars_error(string, env):
+ '''substitute vars, throw an error if a variable is not defined'''
+ lst = re.split('(\$\{\w+\})', string)
+ out = []
+ for v in lst:
+ if re.match('\$\{\w+\}', v):
+ vname = v[2:-1]
+ if not vname in env:
+ print "Failed to find variable %s in %s" % (vname, string)
+ sys.exit(1)
+ v = env[vname]
+ out.append(v)
+ return ''.join(out)
+
+
@conf
def SUBST_ENV_VAR(ctx, varname):
'''Substitute an environment variable for any embedded variables'''
- return Utils.subst_vars(ctx.env[varname], ctx.env)
+ return subst_vars_error(ctx.env[varname], ctx.env)
Build.BuildContext.SUBST_ENV_VAR = SUBST_ENV_VAR
if Options.options.compile_targets:
@feature('*')
def force_previous_groups(self):
- my_id = id(self)
+ if getattr(self.bld, 'enforced_group_ordering', False) == True:
+ return
+ self.bld.enforced_group_ordering = True
+
+ def group_name(g):
+ tm = self.bld.task_manager
+ return [x for x in tm.groups_names if id(tm.groups_names[x]) == id(g)][0]
+ my_id = id(self)
bld = self.bld
stop = None
for g in bld.task_manager.groups:
for t in g.tasks_gen:
if id(t) == my_id:
stop = id(g)
+ debug('group: Forcing up to group %s for target %s',
+ group_name(g), self.name or self.target)
break
- if stop is None:
- return
+ if stop != None:
+ break
+ if stop is None:
+ return
- for g in bld.task_manager.groups:
- if id(g) == stop:
- break
- for t in g.tasks_gen:
+ for g in bld.task_manager.groups:
+ if id(g) == stop:
+ break
+ debug('group: Forcing group %s', group_name(g))
+ for t in g.tasks_gen:
+ if getattr(t, 'forced_groups', False) != True:
+ debug('group: Posting %s', t.name or t.target)
+ t.forced_groups = True
t.post()
Build.BuildContext.ENFORCE_GROUP_ORDERING = ENFORCE_GROUP_ORDERING
-# @feature('cc')
-# @before('apply_lib_vars')
-# def process_objects(self):
-# if getattr(self, 'add_objects', None):
-# lst = self.to_list(self.add_objects)
-# for x in lst:
-# y = self.name_to_obj(x)
-# if not y:
-# raise Utils.WafError('object %r was not found in uselib_local (required by add_objects %r)' % (x, self.name))
-# y.post()
-# self.env.append_unique('INC_PATHS', y.env.INC_PATHS)
-
-def recursive_dirlist(dir, relbase):
+def recursive_dirlist(dir, relbase, pattern=None):
'''recursive directory list'''
ret = []
for f in os.listdir(dir):
if os.path.isdir(f2):
ret.extend(recursive_dirlist(f2, relbase))
else:
+ if pattern and not fnmatch.fnmatch(f, pattern):
+ continue
ret.append(os_path_relpath(f2, relbase))
return ret
mkdir_p(os.path.dirname(dir))
os.mkdir(dir)
+
+def SUBST_VARS_RECURSIVE(string, env):
+ '''recursively expand variables'''
+ if string is None:
+ return string
+ limit=100
+ while (string.find('${') != -1 and limit > 0):
+ string = subst_vars_error(string, env)
+ limit -= 1
+ return string
+
+
+@conf
+def EXPAND_VARIABLES(ctx, varstr, vars=None):
+ '''expand variables from a user supplied dictionary
+
+ This is most useful when you pass vars=locals() to expand
+ all your local variables in strings
+ '''
+
+ if isinstance(varstr, list):
+ ret = []
+ for s in varstr:
+ ret.append(EXPAND_VARIABLES(ctx, s, vars=vars))
+ return ret
+
+ import Environment
+ env = Environment.Environment()
+ ret = varstr
+ # substitute on user supplied dict if avaiilable
+ if vars is not None:
+ for v in vars.keys():
+ env[v] = vars[v]
+ ret = SUBST_VARS_RECURSIVE(ret, env)
+
+ # if anything left, subst on the environment as well
+ if ret.find('${') != -1:
+ ret = SUBST_VARS_RECURSIVE(ret, ctx.env)
+ # make sure there is nothing left. Also check for the common
+ # typo of $( instead of ${
+ if ret.find('${') != -1 or ret.find('$(') != -1:
+ print('Failed to substitute all variables in varstr=%s' % ret)
+ sys.exit(1)
+ return ret
+Build.BuildContext.EXPAND_VARIABLES = EXPAND_VARIABLES
+
+
+def RUN_COMMAND(cmd,
+ env=None,
+ shell=False):
+ '''run a external command, return exit code or signal'''
+ if env:
+ cmd = SUBST_VARS_RECURSIVE(cmd, env)
+
+ status = os.system(cmd)
+ if os.WIFEXITED(status):
+ return os.WEXITSTATUS(status)
+ if os.WIFSIGNALED(status):
+ return - os.WTERMSIG(status)
+ print "Unknown exit reason %d for command: %s" (status, cmd)
+ return -1
+
+
+# make sure we have md5. some systems don't have it
+try:
+ from hashlib import md5
+except:
+ try:
+ import md5
+ except:
+ import Constants
+ Constants.SIG_NIL = hash('abcd')
+ class replace_md5(object):
+ def __init__(self):
+ self.val = None
+ def update(self, val):
+ self.val = hash((self.val, val))
+ def digest(self):
+ return str(self.val)
+ def hexdigest(self):
+ return self.digest().encode('hex')
+ def replace_h_file(filename):
+ f = open(filename, 'rb')
+ m = replace_md5()
+ while (filename):
+ filename = f.read(100000)
+ m.update(filename)
+ f.close()
+ return m.digest()
+ Utils.md5 = replace_md5
+ Task.md5 = replace_md5
+ Utils.h_file = replace_h_file
+
+
+def LOAD_ENVIRONMENT():
+ '''load the configuration environment, allowing access to env vars
+ from new commands'''
+ import Environment
+ env = Environment.Environment()
+ env.load('.lock-wscript')
+ env.load(env.blddir + '/c4che/default.cache.py')
+ return env
+
+
+def IS_NEWER(bld, file1, file2):
+ '''return True if file1 is newer than file2'''
+ t1 = os.stat(os.path.join(bld.curdir, file1)).st_mtime
+ t2 = os.stat(os.path.join(bld.curdir, file2)).st_mtime
+ return t1 > t2
+Build.BuildContext.IS_NEWER = IS_NEWER
+
+
+@conf
+def RECURSE(ctx, directory):
+ '''recurse into a directory, relative to the curdir or top level'''
+ try:
+ visited_dirs = ctx.visited_dirs
+ except:
+ visited_dirs = ctx.visited_dirs = set()
+ d = os.path.join(ctx.curdir, directory)
+ if os.path.exists(d):
+ abspath = os.path.abspath(d)
+ else:
+ abspath = os.path.abspath(os.path.join(Utils.g_module.srcdir, directory))
+ ctxclass = ctx.__class__.__name__
+ key = ctxclass + ':' + abspath
+ if key in visited_dirs:
+ # already done it
+ return
+ visited_dirs.add(key)
+ relpath = os_path_relpath(abspath, ctx.curdir)
+ if ctxclass == 'Handler':
+ return ctx.sub_options(relpath)
+ if ctxclass == 'ConfigurationContext':
+ return ctx.sub_config(relpath)
+ if ctxclass == 'BuildContext':
+ return ctx.add_subdirs(relpath)
+ print 'Unknown RECURSE context class', ctxclass
+ raise
+Options.Handler.RECURSE = RECURSE
+Build.BuildContext.RECURSE = RECURSE
git.samba.org / samba.git / blobdiff