mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
128 lines
3.3 KiB
Python
128 lines
3.3 KiB
Python
# encoding: utf-8
|
|
# Thomas Nagy, 2008-2010 (ita)
|
|
|
|
"""
|
|
Execute the tasks with gcc -MD, read the dependencies from the .d file
|
|
and prepare the dependency calculation for the next run
|
|
"""
|
|
|
|
import os, re, threading
|
|
import Task, Logs, Utils, preproc
|
|
from TaskGen import before, after, feature
|
|
|
|
lock = threading.Lock()
|
|
|
|
preprocessor_flag = '-MD'
|
|
|
|
@feature('cc')
|
|
@before('apply_core')
|
|
def add_mmd_cc(self):
|
|
if self.env.get_flat('CCFLAGS').find(preprocessor_flag) < 0:
|
|
self.env.append_value('CCFLAGS', preprocessor_flag)
|
|
|
|
@feature('cxx')
|
|
@before('apply_core')
|
|
def add_mmd_cxx(self):
|
|
if self.env.get_flat('CXXFLAGS').find(preprocessor_flag) < 0:
|
|
self.env.append_value('CXXFLAGS', preprocessor_flag)
|
|
|
|
def scan(self):
|
|
"the scanner does not do anything initially"
|
|
nodes = self.generator.bld.node_deps.get(self.unique_id(), [])
|
|
names = []
|
|
return (nodes, names)
|
|
|
|
re_o = re.compile("\.o$")
|
|
re_src = re.compile("^(\.\.)[\\/](.*)$")
|
|
|
|
def post_run(self):
|
|
# The following code is executed by threads, it is not safe, so a lock is needed...
|
|
|
|
if getattr(self, 'cached', None):
|
|
return Task.Task.post_run(self)
|
|
|
|
name = self.outputs[0].abspath(self.env)
|
|
name = re_o.sub('.d', name)
|
|
txt = Utils.readf(name)
|
|
#os.unlink(name)
|
|
|
|
txt = txt.replace('\\\n', '')
|
|
|
|
lst = txt.strip().split(':')
|
|
val = ":".join(lst[1:])
|
|
val = val.split()
|
|
|
|
nodes = []
|
|
bld = self.generator.bld
|
|
|
|
f = re.compile("^("+self.env.variant()+"|\.\.)[\\/](.*)$")
|
|
for x in val:
|
|
if os.path.isabs(x):
|
|
|
|
if not preproc.go_absolute:
|
|
continue
|
|
|
|
lock.acquire()
|
|
try:
|
|
node = bld.root.find_resource(x)
|
|
finally:
|
|
lock.release()
|
|
else:
|
|
g = re.search(re_src, x)
|
|
if g:
|
|
x = g.group(2)
|
|
lock.acquire()
|
|
try:
|
|
node = bld.bldnode.parent.find_resource(x)
|
|
finally:
|
|
lock.release()
|
|
else:
|
|
g = re.search(f, x)
|
|
if g:
|
|
x = g.group(2)
|
|
lock.acquire()
|
|
try:
|
|
node = bld.srcnode.find_resource(x)
|
|
finally:
|
|
lock.release()
|
|
|
|
if id(node) == id(self.inputs[0]):
|
|
# ignore the source file, it is already in the dependencies
|
|
# this way, successful config tests may be retrieved from the cache
|
|
continue
|
|
|
|
if not node:
|
|
raise ValueError('could not find %r for %r' % (x, self))
|
|
else:
|
|
nodes.append(node)
|
|
|
|
Logs.debug('deps: real scanner for %s returned %s' % (str(self), str(nodes)))
|
|
|
|
bld.node_deps[self.unique_id()] = nodes
|
|
bld.raw_deps[self.unique_id()] = []
|
|
|
|
try:
|
|
del self.cache_sig
|
|
except:
|
|
pass
|
|
|
|
Task.Task.post_run(self)
|
|
|
|
import Constants, Utils
|
|
def sig_implicit_deps(self):
|
|
try:
|
|
return Task.Task.sig_implicit_deps(self)
|
|
except Utils.WafError:
|
|
return Constants.SIG_NIL
|
|
|
|
for name in 'cc cxx'.split():
|
|
try:
|
|
cls = Task.TaskBase.classes[name]
|
|
except KeyError:
|
|
pass
|
|
else:
|
|
cls.post_run = post_run
|
|
cls.scan = scan
|
|
cls.sig_implicit_deps = sig_implicit_deps
|
|
|