diff options
Diffstat (limited to 'buildtools/wafsamba/samba_waf18.py')
| -rw-r--r-- | buildtools/wafsamba/samba_waf18.py | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/buildtools/wafsamba/samba_waf18.py b/buildtools/wafsamba/samba_waf18.py new file mode 100644 index 0000000..cfdceea --- /dev/null +++ b/buildtools/wafsamba/samba_waf18.py @@ -0,0 +1,433 @@ +# compatibility layer for building with more recent waf versions + +import os, shlex, sys +from waflib import Build, Configure, Node, Utils, Options, Logs, TaskGen +from waflib import ConfigSet +from waflib.TaskGen import feature, after +from waflib.Configure import conf, ConfigurationContext + +from waflib.Tools.flex import decide_ext + +# This version of flexfun runs in tsk.get_cwd() as opposed to the +# bld.variant_dir: since input paths adjusted against tsk.get_cwd(), we have to +# use tsk.get_cwd() for the work directory as well. +def flexfun(tsk): + env = tsk.env + bld = tsk.generator.bld + def to_list(xx): + if isinstance(xx, str): + return [xx] + return xx + tsk.last_cmd = lst = [] + lst.extend(to_list(env.FLEX)) + lst.extend(to_list(env.FLEXFLAGS)) + inputs = [a.path_from(tsk.get_cwd()) for a in tsk.inputs] + if env.FLEX_MSYS: + inputs = [x.replace(os.sep, '/') for x in inputs] + lst.extend(inputs) + lst = [x for x in lst if x] + txt = bld.cmd_and_log(lst, cwd=tsk.get_cwd(), env=env.env or None, quiet=0) + tsk.outputs[0].write(txt.replace('\r\n', '\n').replace('\r', '\n')) # issue #1207 + +TaskGen.declare_chain( + name = 'flex', + rule = flexfun, # issue #854 + ext_in = '.l', + decider = decide_ext, +) + +Build.BuildContext.variant = 'default' +Build.CleanContext.variant = 'default' +Build.InstallContext.variant = 'default' +Build.UninstallContext.variant = 'default' +Build.ListContext.variant = 'default' + +def abspath(self, env=None): + if env and hasattr(self, 'children'): + return self.get_bld().abspath() + return self.old_abspath() +Node.Node.old_abspath = Node.Node.abspath +Node.Node.abspath = abspath + +def bldpath(self, env=None): + return self.abspath() + #return self.path_from(self.ctx.bldnode.parent) +Node.Node.bldpath = bldpath + +def srcpath(self, env=None): + return self.abspath() + #return self.path_from(self.ctx.bldnode.parent) +Node.Node.srcpath = srcpath + +def store_fast(self, filename): + file = open(filename, 'wb') + data = self.get_merged_dict() + try: + Build.cPickle.dump(data, file, -1) + finally: + file.close() +ConfigSet.ConfigSet.store_fast = store_fast + +def load_fast(self, filename): + file = open(filename, 'rb') + try: + data = Build.cPickle.load(file) + finally: + file.close() + self.table.update(data) +ConfigSet.ConfigSet.load_fast = load_fast + +@feature('c', 'cxx', 'd', 'asm', 'fc', 'includes') +@after('propagate_uselib_vars', 'process_source') +def apply_incpaths(self): + lst = self.to_incnodes(self.to_list(getattr(self, 'includes', [])) + self.env['INCLUDES']) + self.includes_nodes = lst + cwdx = getattr(self.bld, 'cwdx', self.bld.bldnode) + self.env['INCPATHS'] = [x.path_from(cwdx) for x in lst] + +@conf +def define(self, key, val, quote=True, comment=None): + assert key and isinstance(key, str) + + if val is None: + val = () + elif isinstance(val, bool): + val = int(val) + + # waf 1.5 + self.env[key] = val + + if isinstance(val, int) or isinstance(val, float): + s = '%s=%s' + else: + s = quote and '%s="%s"' or '%s=%s' + app = s % (key, str(val)) + + ban = key + '=' + lst = self.env.DEFINES + for x in lst: + if x.startswith(ban): + lst[lst.index(x)] = app + break + else: + self.env.append_value('DEFINES', app) + + self.env.append_unique('define_key', key) + +# compat15 removes this but we want to keep it +@conf +def undefine(self, key, from_env=True, comment=None): + assert key and isinstance(key, str) + + ban = key + '=' + self.env.DEFINES = [x for x in self.env.DEFINES if not x.startswith(ban)] + self.env.append_unique('define_key', key) + # waf 1.5 + if from_env: + self.env[key] = () + +class ConfigurationContext(Configure.ConfigurationContext): + def init_dirs(self): + self.setenv('default') + self.env.merge_config_header = True + return super(ConfigurationContext, self).init_dirs() + +def find_program_samba(self, *k, **kw): + # Override the waf default set in the @conf decorator in Configure.py + if 'mandatory' not in kw: + kw['mandatory'] = False + ret = self.find_program_old(*k, **kw) + return ret +Configure.ConfigurationContext.find_program_old = Configure.ConfigurationContext.find_program +Configure.ConfigurationContext.find_program = find_program_samba + +Build.BuildContext.ENFORCE_GROUP_ORDERING = Utils.nada +Build.BuildContext.AUTOCLEANUP_STALE_FILES = Utils.nada + +@conf +def check(self, *k, **kw): + '''Override the waf defaults to inject --with-directory options''' + + # match the configuration test with speficic options, for example: + # --with-libiconv -> Options.options.iconv_open -> "Checking for library iconv" + self.validate_c(kw) + + additional_dirs = [] + if 'msg' in kw: + msg = kw['msg'] + for x in Options.OptionsContext.parser.parser.option_list: + if getattr(x, 'match', None) and msg in x.match: + d = getattr(Options.options, x.dest, '') + if d: + additional_dirs.append(d) + + # we add the additional dirs twice: once for the test data, and again if the compilation test suceeds below + def add_options_dir(dirs, env): + for x in dirs: + if not x in env.CPPPATH: + env.CPPPATH = [os.path.join(x, 'include')] + env.CPPPATH + if not x in env.LIBPATH: + env.LIBPATH = [os.path.join(x, 'lib')] + env.LIBPATH + + add_options_dir(additional_dirs, kw['env']) + + self.start_msg(kw['msg'], **kw) + ret = None + try: + ret = self.run_build(*k, **kw) + except self.errors.ConfigurationError: + self.end_msg(kw['errmsg'], 'YELLOW', **kw) + if Logs.verbose > 1: + raise + else: + self.fatal('The configuration failed') + else: + kw['success'] = ret + # success! time for brandy + add_options_dir(additional_dirs, self.env) + + ret = self.post_check(*k, **kw) + if not ret: + self.end_msg(kw['errmsg'], 'YELLOW', **kw) + self.fatal('The configuration failed %r' % ret) + else: + self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw) + return ret + +@conf +def CHECK_LIBRARY_SUPPORT(conf, rpath=False, version_script=False, msg=None): + '''see if the platform supports building libraries''' + + if msg is None: + if rpath: + msg = "rpath library support" + else: + msg = "building library support" + + def build(bld): + lib_node = bld.srcnode.make_node('libdir/liblc1.c') + lib_node.parent.mkdir() + lib_node.write('int lib_func(void) { return 42; }\n', 'w') + main_node = bld.srcnode.make_node('main.c') + main_node.write('int lib_func(void);\n' + 'int main(void) {return !(lib_func() == 42);}', 'w') + linkflags = [] + if version_script: + script = bld.srcnode.make_node('ldscript') + script.write('TEST_1.0A2 { global: *; };\n', 'w') + linkflags.append('-Wl,--version-script=%s' % script.abspath()) + bld(features='c cshlib', source=lib_node, target='lib1', linkflags=linkflags, name='lib1') + o = bld(features='c cprogram', source=main_node, target='prog1', uselib_local='lib1') + if rpath: + o.rpath = [lib_node.parent.abspath()] + def run_app(self): + args = conf.SAMBA_CROSS_ARGS(msg=msg) + env = dict(os.environ) + env['LD_LIBRARY_PATH'] = self.inputs[0].parent.abspath() + os.pathsep + env.get('LD_LIBRARY_PATH', '') + self.generator.bld.cmd_and_log([self.inputs[0].abspath()] + args, env=env) + o.post() + bld(rule=run_app, source=o.link_task.outputs[0]) + + # ok, so it builds + try: + conf.check(build_fun=build, msg='Checking for %s' % msg) + except conf.errors.ConfigurationError: + return False + return True + +@conf +def CHECK_NEED_LC(conf, msg): + '''check if we need -lc''' + def build(bld): + lib_node = bld.srcnode.make_node('libdir/liblc1.c') + lib_node.parent.mkdir() + lib_node.write('#include <stdio.h>\nint lib_func(void) { FILE *f = fopen("foo", "r");}\n', 'w') + bld(features='c cshlib', source=[lib_node], linkflags=conf.env.EXTRA_LDFLAGS, target='liblc') + try: + conf.check(build_fun=build, msg=msg, okmsg='-lc is unnecessary', errmsg='-lc is necessary') + except conf.errors.ConfigurationError: + return False + return True + +# already implemented on "waf -v" +def order(bld, tgt_list): + return True +Build.BuildContext.check_group_ordering = order + +@conf +def CHECK_CFG(self, *k, **kw): + if 'args' in kw: + kw['args'] = shlex.split(kw['args']) + if not 'mandatory' in kw: + kw['mandatory'] = False + kw['global_define'] = True + return self.check_cfg(*k, **kw) + +def cmd_output(cmd, **kw): + + silent = False + if 'silent' in kw: + silent = kw['silent'] + del(kw['silent']) + + if 'e' in kw: + tmp = kw['e'] + del(kw['e']) + kw['env'] = tmp + + kw['shell'] = isinstance(cmd, str) + kw['stdout'] = Utils.subprocess.PIPE + if silent: + kw['stderr'] = Utils.subprocess.PIPE + + try: + p = Utils.subprocess.Popen(cmd, **kw) + output = p.communicate()[0] + except OSError as e: + raise ValueError(str(e)) + + if p.returncode: + if not silent: + msg = "command execution failed: %s -> %r" % (cmd, str(output)) + raise ValueError(msg) + output = '' + return output +Utils.cmd_output = cmd_output + + +@TaskGen.feature('c', 'cxx', 'd') +@TaskGen.before('apply_incpaths', 'propagate_uselib_vars') +@TaskGen.after('apply_link', 'process_source') +def apply_uselib_local(self): + """ + process the uselib_local attribute + execute after apply_link because of the execution order set on 'link_task' + """ + env = self.env + from waflib.Tools.ccroot import stlink_task + + # 1. the case of the libs defined in the project (visit ancestors first) + # the ancestors external libraries (uselib) will be prepended + self.uselib = self.to_list(getattr(self, 'uselib', [])) + self.includes = self.to_list(getattr(self, 'includes', [])) + names = self.to_list(getattr(self, 'uselib_local', [])) + get = self.bld.get_tgen_by_name + seen = set() + seen_uselib = set() + tmp = Utils.deque(names) # consume a copy of the list of names + if tmp: + if Logs.verbose: + Logs.warn('compat: "uselib_local" is deprecated, replace by "use"') + while tmp: + lib_name = tmp.popleft() + # visit dependencies only once + if lib_name in seen: + continue + + y = get(lib_name) + y.post() + seen.add(lib_name) + + # object has ancestors to process (shared libraries): add them to the end of the list + if getattr(y, 'uselib_local', None): + for x in self.to_list(getattr(y, 'uselib_local', [])): + obj = get(x) + obj.post() + if getattr(obj, 'link_task', None): + if not isinstance(obj.link_task, stlink_task): + tmp.append(x) + + # link task and flags + if getattr(y, 'link_task', None): + + link_name = y.target[y.target.rfind(os.sep) + 1:] + if isinstance(y.link_task, stlink_task): + env.append_value('STLIB', [link_name]) + else: + # some linkers can link against programs + env.append_value('LIB', [link_name]) + + # the order + self.link_task.set_run_after(y.link_task) + + # for the recompilation + self.link_task.dep_nodes += y.link_task.outputs + + # add the link path too + tmp_path = y.link_task.outputs[0].parent.bldpath() + if not tmp_path in env['LIBPATH']: + env.prepend_value('LIBPATH', [tmp_path]) + + # add ancestors uselib too - but only propagate those that have no staticlib defined + for v in self.to_list(getattr(y, 'uselib', [])): + if v not in seen_uselib: + seen_uselib.add(v) + if not env['STLIB_' + v]: + if not v in self.uselib: + self.uselib.insert(0, v) + + # if the library task generator provides 'export_includes', add to the include path + # the export_includes must be a list of paths relative to the other library + if getattr(y, 'export_includes', None): + self.includes.extend(y.to_incnodes(y.export_includes)) + +@TaskGen.feature('cprogram', 'cxxprogram', 'cstlib', 'cxxstlib', 'cshlib', 'cxxshlib', 'dprogram', 'dstlib', 'dshlib') +@TaskGen.after('apply_link') +def apply_objdeps(self): + "add the .o files produced by some other object files in the same manner as uselib_local" + names = getattr(self, 'add_objects', []) + if not names: + return + names = self.to_list(names) + + get = self.bld.get_tgen_by_name + seen = [] + while names: + x = names[0] + + # visit dependencies only once + if x in seen: + names = names[1:] + continue + + # object does not exist ? + y = get(x) + + # object has ancestors to process first ? update the list of names + if getattr(y, 'add_objects', None): + added = 0 + lst = y.to_list(y.add_objects) + lst.reverse() + for u in lst: + if u in seen: + continue + added = 1 + names = [u]+names + if added: + continue # list of names modified, loop + + # safe to process the current object + y.post() + seen.append(x) + + for t in getattr(y, 'compiled_tasks', []): + self.link_task.inputs.extend(t.outputs) + +@TaskGen.after('apply_link') +def process_obj_files(self): + if not hasattr(self, 'obj_files'): + return + for x in self.obj_files: + node = self.path.find_resource(x) + self.link_task.inputs.append(node) + +@TaskGen.taskgen_method +def add_obj_file(self, file): + """Small example on how to link object files as if they were source + obj = bld.create_obj('cc') + obj.add_obj_file('foo.o')""" + if not hasattr(self, 'obj_files'): + self.obj_files = [] + if not 'process_obj_files' in self.meths: + self.meths.append('process_obj_files') + self.obj_files.append(file) |