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.flex import decide_ext
11 # This version of flexfun runs in tsk.get_cwd() as opposed to the
12 # bld.variant_dir: since input paths adjusted against tsk.get_cwd(), we have to
13 # use tsk.get_cwd() for the work directory as well.
16 bld = tsk.generator.bld
18 if isinstance(xx, str):
21 tsk.last_cmd = lst = []
22 lst.extend(to_list(env.FLEX))
23 lst.extend(to_list(env.FLEXFLAGS))
24 inputs = [a.path_from(tsk.get_cwd()) for a in tsk.inputs]
26 inputs = [x.replace(os.sep, '/') for x in inputs]
28 lst = [x for x in lst if x]
29 txt = bld.cmd_and_log(lst, cwd=tsk.get_cwd(), env=env.env or None, quiet=0)
30 tsk.outputs[0].write(txt.replace('\r\n', '\n').replace('\r', '\n')) # issue #1207
32 TaskGen.declare_chain(
34 rule = flexfun, # issue #854
40 for y in (Build.BuildContext, Build.CleanContext, Build.InstallContext, Build.UninstallContext, Build.ListContext):
45 self.cwdx = self.bldnode.parent
46 self.cwd = self.cwdx.abspath()
47 self.bdir = self.bldnode.abspath()
48 return Build.BuildContext.old_pre_build(self)
49 Build.BuildContext.old_pre_build = Build.BuildContext.pre_build
50 Build.BuildContext.pre_build = pre_build
52 def abspath(self, env=None):
53 if env and hasattr(self, 'children'):
54 return self.get_bld().abspath()
55 return self.old_abspath()
56 Node.Node.old_abspath = Node.Node.abspath
57 Node.Node.abspath = abspath
59 def bldpath(self, env=None):
61 #return self.path_from(self.ctx.bldnode.parent)
62 Node.Node.bldpath = bldpath
64 def srcpath(self, env=None):
66 #return self.path_from(self.ctx.bldnode.parent)
67 Node.Node.srcpath = srcpath
69 def store_fast(self, filename):
70 file = open(filename, 'wb')
71 data = self.get_merged_dict()
73 Build.cPickle.dump(data, file, -1)
76 ConfigSet.ConfigSet.store_fast = store_fast
78 def load_fast(self, filename):
79 file = open(filename, 'rb')
81 data = Build.cPickle.load(file)
84 self.table.update(data)
85 ConfigSet.ConfigSet.load_fast = load_fast
87 @feature('c', 'cxx', 'd', 'asm', 'fc', 'includes')
88 @after('propagate_uselib_vars', 'process_source')
89 def apply_incpaths(self):
90 lst = self.to_incnodes(self.to_list(getattr(self, 'includes', [])) + self.env['INCLUDES'])
91 self.includes_nodes = lst
92 cwdx = getattr(self.bld, 'cwdx', self.bld.bldnode)
93 self.env['INCPATHS'] = [x.path_from(cwdx) for x in lst]
96 def define(self, key, val, quote=True, comment=None):
97 assert key and isinstance(key, str)
101 elif isinstance(val, bool):
107 if isinstance(val, int) or isinstance(val, float):
110 s = quote and '%s="%s"' or '%s=%s'
111 app = s % (key, str(val))
114 lst = self.env.DEFINES
116 if x.startswith(ban):
117 lst[lst.index(x)] = app
120 self.env.append_value('DEFINES', app)
122 self.env.append_unique('define_key', key)
124 # compat15 removes this but we want to keep it
126 def undefine(self, key, from_env=True, comment=None):
127 assert key and isinstance(key, str)
130 self.env.DEFINES = [x for x in self.env.DEFINES if not x.startswith(ban)]
131 self.env.append_unique('define_key', key)
136 def install_dir(self, path):
140 destpath = Utils.subst_vars(path, self.env)
142 if self.is_install > 0:
143 Logs.info('* creating %s', destpath)
144 Utils.check_dir(destpath)
145 elif self.is_install < 0:
146 Logs.info('* removing %s', destpath)
151 Build.BuildContext.install_dir = install_dir
153 class ConfigurationContext(Configure.ConfigurationContext):
155 self.setenv('default')
156 self.env.merge_config_header = True
157 return super(ConfigurationContext, self).init_dirs()
159 def find_program_samba(self, *k, **kw):
160 kw['mandatory'] = False
161 ret = self.find_program_old(*k, **kw)
163 Configure.ConfigurationContext.find_program_old = Configure.ConfigurationContext.find_program
164 Configure.ConfigurationContext.find_program = find_program_samba
166 Build.BuildContext.ENFORCE_GROUP_ORDERING = Utils.nada
167 Build.BuildContext.AUTOCLEANUP_STALE_FILES = Utils.nada
170 def check(self, *k, **kw):
171 '''Override the waf defaults to inject --with-directory options'''
173 # match the configuration test with speficic options, for example:
174 # --with-libiconv -> Options.options.iconv_open -> "Checking for library iconv"
180 for x in Options.OptionsContext.parser.parser.option_list:
181 if getattr(x, 'match', None) and msg in x.match:
182 d = getattr(Options.options, x.dest, '')
184 additional_dirs.append(d)
186 # we add the additional dirs twice: once for the test data, and again if the compilation test suceeds below
187 def add_options_dir(dirs, env):
189 if not x in env.CPPPATH:
190 env.CPPPATH = [os.path.join(x, 'include')] + env.CPPPATH
191 if not x in env.LIBPATH:
192 env.LIBPATH = [os.path.join(x, 'lib')] + env.LIBPATH
194 add_options_dir(additional_dirs, kw['env'])
196 self.start_msg(kw['msg'], **kw)
199 ret = self.run_build(*k, **kw)
200 except self.errors.ConfigurationError:
201 self.end_msg(kw['errmsg'], 'YELLOW', **kw)
205 self.fatal('The configuration failed')
208 # success! time for brandy
209 add_options_dir(additional_dirs, self.env)
211 ret = self.post_check(*k, **kw)
213 self.end_msg(kw['errmsg'], 'YELLOW', **kw)
214 self.fatal('The configuration failed %r' % ret)
216 self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw)
220 def CHECK_LIBRARY_SUPPORT(conf, rpath=False, version_script=False, msg=None):
221 '''see if the platform supports building libraries'''
225 msg = "rpath library support"
227 msg = "building library support"
230 lib_node = bld.srcnode.make_node('libdir/liblc1.c')
231 lib_node.parent.mkdir()
232 lib_node.write('int lib_func(void) { return 42; }\n', 'w')
233 main_node = bld.srcnode.make_node('main.c')
234 main_node.write('int main(void) {return !(lib_func() == 42);}', 'w')
237 script = bld.srcnode.make_node('ldscript')
238 script.write('TEST_1.0A2 { global: *; };\n', 'w')
239 linkflags.append('-Wl,--version-script=%s' % script.abspath())
240 bld(features='c cshlib', source=lib_node, target='lib1', linkflags=linkflags, name='lib1')
241 o = bld(features='c cprogram', source=main_node, target='prog1', uselib_local='lib1')
243 o.rpath = [lib_node.parent.abspath()]
245 args = conf.SAMBA_CROSS_ARGS(msg=msg)
246 env = dict(os.environ)
247 env['LD_LIBRARY_PATH'] = self.inputs[0].parent.abspath() + os.pathsep + env.get('LD_LIBRARY_PATH', '')
248 self.generator.bld.cmd_and_log([self.inputs[0].abspath()] + args, env=env)
250 bld(rule=run_app, source=o.link_task.outputs[0])
254 conf.check(build_fun=build, msg='Checking for %s' % msg)
255 except conf.errors.ConfigurationError:
260 def CHECK_NEED_LC(conf, msg):
261 '''check if we need -lc'''
263 lib_node = bld.srcnode.make_node('libdir/liblc1.c')
264 lib_node.parent.mkdir()
265 lib_node.write('#include <stdio.h>\nint lib_func(void) { FILE *f = fopen("foo", "r");}\n', 'w')
266 bld(features='c cshlib', source=[lib_node], linkflags=conf.env.EXTRA_LDFLAGS, target='liblc')
268 conf.check(build_fun=build, msg=msg, okmsg='-lc is unnecessary', errmsg='-lc is necessary')
269 except conf.errors.ConfigurationError:
273 # already implemented on "waf -v"
274 def order(bld, tgt_list):
276 Build.BuildContext.check_group_ordering = order
279 def CHECK_CFG(self, *k, **kw):
281 kw['args'] = shlex.split(kw['args'])
282 if not 'mandatory' in kw:
283 kw['mandatory'] = False
284 kw['global_define'] = True
285 return self.check_cfg(*k, **kw)
287 def cmd_output(cmd, **kw):
291 silent = kw['silent']
299 kw['shell'] = isinstance(cmd, str)
300 kw['stdout'] = Utils.subprocess.PIPE
302 kw['stderr'] = Utils.subprocess.PIPE
305 p = Utils.subprocess.Popen(cmd, **kw)
306 output = p.communicate()[0]
308 raise ValueError(str(e))
312 msg = "command execution failed: %s -> %r" % (cmd, str(output))
313 raise ValueError(msg)
316 Utils.cmd_output = cmd_output
319 @TaskGen.feature('c', 'cxx', 'd')
320 @TaskGen.before('apply_incpaths', 'propagate_uselib_vars')
321 @TaskGen.after('apply_link', 'process_source')
322 def apply_uselib_local(self):
324 process the uselib_local attribute
325 execute after apply_link because of the execution order set on 'link_task'
328 from waflib.Tools.ccroot import stlink_task
330 # 1. the case of the libs defined in the project (visit ancestors first)
331 # the ancestors external libraries (uselib) will be prepended
332 self.uselib = self.to_list(getattr(self, 'uselib', []))
333 self.includes = self.to_list(getattr(self, 'includes', []))
334 names = self.to_list(getattr(self, 'uselib_local', []))
335 get = self.bld.get_tgen_by_name
338 tmp = Utils.deque(names) # consume a copy of the list of names
341 Logs.warn('compat: "uselib_local" is deprecated, replace by "use"')
343 lib_name = tmp.popleft()
344 # visit dependencies only once
352 # object has ancestors to process (shared libraries): add them to the end of the list
353 if getattr(y, 'uselib_local', None):
354 for x in self.to_list(getattr(y, 'uselib_local', [])):
357 if getattr(obj, 'link_task', None):
358 if not isinstance(obj.link_task, stlink_task):
361 # link task and flags
362 if getattr(y, 'link_task', None):
364 link_name = y.target[y.target.rfind(os.sep) + 1:]
365 if isinstance(y.link_task, stlink_task):
366 env.append_value('STLIB', [link_name])
368 # some linkers can link against programs
369 env.append_value('LIB', [link_name])
372 self.link_task.set_run_after(y.link_task)
374 # for the recompilation
375 self.link_task.dep_nodes += y.link_task.outputs
377 # add the link path too
378 tmp_path = y.link_task.outputs[0].parent.bldpath()
379 if not tmp_path in env['LIBPATH']:
380 env.prepend_value('LIBPATH', [tmp_path])
382 # add ancestors uselib too - but only propagate those that have no staticlib defined
383 for v in self.to_list(getattr(y, 'uselib', [])):
384 if v not in seen_uselib:
386 if not env['STLIB_' + v]:
387 if not v in self.uselib:
388 self.uselib.insert(0, v)
390 # if the library task generator provides 'export_includes', add to the include path
391 # the export_includes must be a list of paths relative to the other library
392 if getattr(y, 'export_includes', None):
393 self.includes.extend(y.to_incnodes(y.export_includes))
395 @TaskGen.feature('cprogram', 'cxxprogram', 'cstlib', 'cxxstlib', 'cshlib', 'cxxshlib', 'dprogram', 'dstlib', 'dshlib')
396 @TaskGen.after('apply_link')
397 def apply_objdeps(self):
398 "add the .o files produced by some other object files in the same manner as uselib_local"
399 names = getattr(self, 'add_objects', [])
402 names = self.to_list(names)
404 get = self.bld.get_tgen_by_name
409 # visit dependencies only once
414 # object does not exist ?
417 # object has ancestors to process first ? update the list of names
418 if getattr(y, 'add_objects', None):
420 lst = y.to_list(y.add_objects)
428 continue # list of names modified, loop
430 # safe to process the current object
434 for t in getattr(y, 'compiled_tasks', []):
435 self.link_task.inputs.extend(t.outputs)
437 @TaskGen.after('apply_link')
438 def process_obj_files(self):
439 if not hasattr(self, 'obj_files'):
441 for x in self.obj_files:
442 node = self.path.find_resource(x)
443 self.link_task.inputs.append(node)
445 @TaskGen.taskgen_method
446 def add_obj_file(self, file):
447 """Small example on how to link object files as if they were source
448 obj = bld.create_obj('cc')
449 obj.add_obj_file('foo.o')"""
450 if not hasattr(self, 'obj_files'):
452 if not 'process_obj_files' in self.meths:
453 self.meths.append('process_obj_files')
454 self.obj_files.append(file)