1 # compatibility layer for building with more recent waf versions
4 from waflib import Build, Configure, Node, Utils, Options, Logs, TaskGen
5 from waflib import ConfigSet
6 from waflib.TaskGen import feature, after
7 from waflib.Configure import conf, ConfigurationContext
9 from waflib.Tools import bison, flex
10 sys.modules['bison'] = bison
11 sys.modules['flex'] = flex
13 for y in (Build.BuildContext, Build.CleanContext, Build.InstallContext, Build.UninstallContext, Build.ListContext):
18 self.cwdx = self.bldnode.parent
19 self.cwd = self.cwdx.abspath()
20 self.bdir = self.bldnode.abspath()
21 return Build.BuildContext.old_pre_build(self)
22 Build.BuildContext.old_pre_build = Build.BuildContext.pre_build
23 Build.BuildContext.pre_build = pre_build
25 def abspath(self, env=None):
26 if env and hasattr(self, 'children'):
27 return self.get_bld().abspath()
28 return self.old_abspath()
29 Node.Node.old_abspath = Node.Node.abspath
30 Node.Node.abspath = abspath
32 def bldpath(self, env=None):
34 #return self.path_from(self.ctx.bldnode.parent)
35 Node.Node.bldpath = bldpath
37 def srcpath(self, env=None):
39 #return self.path_from(self.ctx.bldnode.parent)
40 Node.Node.srcpath = srcpath
42 def store_fast(self, filename):
43 file = open(filename, 'wb')
44 data = self.get_merged_dict()
46 Build.cPickle.dump(data, file, -1)
49 ConfigSet.ConfigSet.store_fast = store_fast
51 def load_fast(self, filename):
52 file = open(filename, 'rb')
54 data = Build.cPickle.load(file)
57 self.table.update(data)
58 ConfigSet.ConfigSet.load_fast = load_fast
60 @feature('c', 'cxx', 'd', 'asm', 'fc', 'includes')
61 @after('propagate_uselib_vars', 'process_source')
62 def apply_incpaths(self):
63 lst = self.to_incnodes(self.to_list(getattr(self, 'includes', [])) + self.env['INCLUDES'])
64 self.includes_nodes = lst
65 cwdx = getattr(self.bld, 'cwdx', self.bld.bldnode)
66 self.env['INCPATHS'] = [x.path_from(cwdx) for x in lst]
69 def define(self, key, val, quote=True, comment=None):
70 assert key and isinstance(key, str)
74 elif isinstance(val, bool):
80 if isinstance(val, int) or isinstance(val, float):
83 s = quote and '%s="%s"' or '%s=%s'
84 app = s % (key, str(val))
87 lst = self.env.DEFINES
90 lst[lst.index(x)] = app
93 self.env.append_value('DEFINES', app)
95 self.env.append_unique('define_key', key)
97 # compat15 removes this but we want to keep it
99 def undefine(self, key, from_env=True, comment=None):
100 assert key and isinstance(key, str)
103 self.env.DEFINES = [x for x in self.env.DEFINES if not x.startswith(ban)]
104 self.env.append_unique('define_key', key)
109 def install_dir(self, path):
113 destpath = Utils.subst_vars(path, self.env)
115 if self.is_install > 0:
116 Logs.info('* creating %s', destpath)
117 Utils.check_dir(destpath)
118 elif self.is_install < 0:
119 Logs.info('* removing %s', destpath)
124 Build.BuildContext.install_dir = install_dir
126 class ConfigurationContext(Configure.ConfigurationContext):
128 self.setenv('default')
129 self.env.merge_config_header = True
130 return super(ConfigurationContext, self).init_dirs()
132 def find_program_samba(self, *k, **kw):
133 kw['mandatory'] = False
134 ret = self.find_program_old(*k, **kw)
136 Configure.ConfigurationContext.find_program_old = Configure.ConfigurationContext.find_program
137 Configure.ConfigurationContext.find_program = find_program_samba
139 Build.BuildContext.ENFORCE_GROUP_ORDERING = Utils.nada
140 Build.BuildContext.AUTOCLEANUP_STALE_FILES = Utils.nada
143 def check(self, *k, **kw):
144 '''Override the waf defaults to inject --with-directory options'''
146 # match the configuration test with speficic options, for example:
147 # --with-libiconv -> Options.options.iconv_open -> "Checking for library iconv"
153 for x in Options.OptionsContext.parser.parser.option_list:
154 if getattr(x, 'match', None) and msg in x.match:
155 d = getattr(Options.options, x.dest, '')
157 additional_dirs.append(d)
159 # we add the additional dirs twice: once for the test data, and again if the compilation test suceeds below
160 def add_options_dir(dirs, env):
162 if not x in env.CPPPATH:
163 env.CPPPATH = [os.path.join(x, 'include')] + env.CPPPATH
164 if not x in env.LIBPATH:
165 env.LIBPATH = [os.path.join(x, 'lib')] + env.LIBPATH
167 add_options_dir(additional_dirs, kw['env'])
169 self.start_msg(kw['msg'], **kw)
172 ret = self.run_build(*k, **kw)
173 except self.errors.ConfigurationError:
174 self.end_msg(kw['errmsg'], 'YELLOW', **kw)
178 self.fatal('The configuration failed')
181 # success! time for brandy
182 add_options_dir(additional_dirs, self.env)
184 ret = self.post_check(*k, **kw)
186 self.end_msg(kw['errmsg'], 'YELLOW', **kw)
187 self.fatal('The configuration failed %r' % ret)
189 self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw)
193 def CHECK_LIBRARY_SUPPORT(conf, rpath=False, version_script=False, msg=None):
194 '''see if the platform supports building libraries'''
198 msg = "rpath library support"
200 msg = "building library support"
203 lib_node = bld.srcnode.make_node('libdir/liblc1.c')
204 lib_node.parent.mkdir()
205 lib_node.write('int lib_func(void) { return 42; }\n', 'w')
206 main_node = bld.srcnode.make_node('main.c')
207 main_node.write('int main(void) {return !(lib_func() == 42);}', 'w')
210 script = bld.srcnode.make_node('ldscript')
211 script.write('TEST_1.0A2 { global: *; };\n', 'w')
212 linkflags.append('-Wl,--version-script=%s' % script.abspath())
213 bld(features='c cshlib', source=lib_node, target='lib1', linkflags=linkflags, name='lib1')
214 o = bld(features='c cprogram', source=main_node, target='prog1', uselib_local='lib1')
216 o.rpath = [lib_node.parent.abspath()]
218 args = conf.SAMBA_CROSS_ARGS(msg=msg)
219 env = dict(os.environ)
220 env['LD_LIBRARY_PATH'] = self.inputs[0].parent.abspath() + os.pathsep + env.get('LD_LIBRARY_PATH', '')
221 self.generator.bld.cmd_and_log([self.inputs[0].abspath()] + args, env=env)
223 bld(rule=run_app, source=o.link_task.outputs[0])
227 conf.check(build_fun=build, msg='Checking for %s' % msg)
228 except conf.errors.ConfigurationError:
233 def CHECK_NEED_LC(conf, msg):
234 '''check if we need -lc'''
236 lib_node = bld.srcnode.make_node('libdir/liblc1.c')
237 lib_node.parent.mkdir()
238 lib_node.write('#include <stdio.h>\nint lib_func(void) { FILE *f = fopen("foo", "r");}\n', 'w')
239 bld(features='c cshlib', source=[lib_node], linkflags=conf.env.EXTRA_LDFLAGS, target='liblc')
241 conf.check(build_fun=build, msg=msg, okmsg='-lc is unnecessary', errmsg='-lc is necessary')
242 except conf.errors.ConfigurationError:
246 # already implemented on "waf -v"
247 def order(bld, tgt_list):
249 Build.BuildContext.check_group_ordering = order
252 def CHECK_CFG(self, *k, **kw):
254 kw['args'] = shlex.split(kw['args'])
255 if not 'mandatory' in kw:
256 kw['mandatory'] = False
257 kw['global_define'] = True
258 return self.check_cfg(*k, **kw)
260 def cmd_output(cmd, **kw):
264 silent = kw['silent']
272 kw['shell'] = isinstance(cmd, str)
273 kw['stdout'] = Utils.subprocess.PIPE
275 kw['stderr'] = Utils.subprocess.PIPE
278 p = Utils.subprocess.Popen(cmd, **kw)
279 output = p.communicate()[0]
281 raise ValueError(str(e))
285 msg = "command execution failed: %s -> %r" % (cmd, str(output))
286 raise ValueError(msg)
289 Utils.cmd_output = cmd_output
292 @TaskGen.feature('c', 'cxx', 'd')
293 @TaskGen.before('apply_incpaths', 'propagate_uselib_vars')
294 @TaskGen.after('apply_link', 'process_source')
295 def apply_uselib_local(self):
297 process the uselib_local attribute
298 execute after apply_link because of the execution order set on 'link_task'
301 from waflib.Tools.ccroot import stlink_task
303 # 1. the case of the libs defined in the project (visit ancestors first)
304 # the ancestors external libraries (uselib) will be prepended
305 self.uselib = self.to_list(getattr(self, 'uselib', []))
306 self.includes = self.to_list(getattr(self, 'includes', []))
307 names = self.to_list(getattr(self, 'uselib_local', []))
308 get = self.bld.get_tgen_by_name
311 tmp = Utils.deque(names) # consume a copy of the list of names
314 Logs.warn('compat: "uselib_local" is deprecated, replace by "use"')
316 lib_name = tmp.popleft()
317 # visit dependencies only once
325 # object has ancestors to process (shared libraries): add them to the end of the list
326 if getattr(y, 'uselib_local', None):
327 for x in self.to_list(getattr(y, 'uselib_local', [])):
330 if getattr(obj, 'link_task', None):
331 if not isinstance(obj.link_task, stlink_task):
334 # link task and flags
335 if getattr(y, 'link_task', None):
337 link_name = y.target[y.target.rfind(os.sep) + 1:]
338 if isinstance(y.link_task, stlink_task):
339 env.append_value('STLIB', [link_name])
341 # some linkers can link against programs
342 env.append_value('LIB', [link_name])
345 self.link_task.set_run_after(y.link_task)
347 # for the recompilation
348 self.link_task.dep_nodes += y.link_task.outputs
350 # add the link path too
351 tmp_path = y.link_task.outputs[0].parent.bldpath()
352 if not tmp_path in env['LIBPATH']:
353 env.prepend_value('LIBPATH', [tmp_path])
355 # add ancestors uselib too - but only propagate those that have no staticlib defined
356 for v in self.to_list(getattr(y, 'uselib', [])):
357 if v not in seen_uselib:
359 if not env['STLIB_' + v]:
360 if not v in self.uselib:
361 self.uselib.insert(0, v)
363 # if the library task generator provides 'export_includes', add to the include path
364 # the export_includes must be a list of paths relative to the other library
365 if getattr(y, 'export_includes', None):
366 self.includes.extend(y.to_incnodes(y.export_includes))
368 @TaskGen.feature('cprogram', 'cxxprogram', 'cstlib', 'cxxstlib', 'cshlib', 'cxxshlib', 'dprogram', 'dstlib', 'dshlib')
369 @TaskGen.after('apply_link')
370 def apply_objdeps(self):
371 "add the .o files produced by some other object files in the same manner as uselib_local"
372 names = getattr(self, 'add_objects', [])
375 names = self.to_list(names)
377 get = self.bld.get_tgen_by_name
382 # visit dependencies only once
387 # object does not exist ?
390 # object has ancestors to process first ? update the list of names
391 if getattr(y, 'add_objects', None):
393 lst = y.to_list(y.add_objects)
401 continue # list of names modified, loop
403 # safe to process the current object
407 for t in getattr(y, 'compiled_tasks', []):
408 self.link_task.inputs.extend(t.outputs)
410 @TaskGen.after('apply_link')
411 def process_obj_files(self):
412 if not hasattr(self, 'obj_files'):
414 for x in self.obj_files:
415 node = self.path.find_resource(x)
416 self.link_task.inputs.append(node)
418 @TaskGen.taskgen_method
419 def add_obj_file(self, file):
420 """Small example on how to link object files as if they were source
421 obj = bld.create_obj('cc')
422 obj.add_obj_file('foo.o')"""
423 if not hasattr(self, 'obj_files'):
425 if not 'process_obj_files' in self.meths:
426 self.meths.append('process_obj_files')
427 self.obj_files.append(file)