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samba-mirror/buildtools/wafsamba/samba_waf18.py
Andreas Schneider b1767d505e buildtools: Fix code spelling
Best reviewed with: `git show --word-diff`

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Rowland Penny <rpenny@samba.org>
2023-03-28 09:33:31 +00:00

434 lines
14 KiB
Python

# 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 specific 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 succeeds 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)