-re_header = re.compile('#include[ \t]*"([^"]+)"', re.I | re.M)
-class header_task(Task.Task):
- """
- The public headers (the one installed on the system) have both
- different paths and contents, so the rename is not enough.
-
- Intermediate .inst.h files are created because path manipulation
- may be slow. The substitution is thus performed only once.
- """
-
- name = 'header'
- color = 'PINK'
- vars = ['INCLUDEDIR', 'HEADER_DEPS']
-
- def run(self):
- txt = self.inputs[0].read(self.env)
-
- # hard-coded string, but only present in samba4 (I promise, you won't feel a thing)
- txt = txt.replace('#if _SAMBA_BUILD_ == 4', '#if 1\n')
-
- # use a regexp to substitute the #include lines in the files
- map = self.generator.bld.hnodemap
- dirnodes = self.generator.bld.hnodedirs
- def repl(m):
- if m.group(1):
- s = m.group(1)
-
- # pokemon headers: gotta catch'em all!
- fin = s
- if s.startswith('bin/default'):
- node = self.generator.bld.srcnode.find_resource(s.replace('bin/default/', ''))
- if not node:
- Logs.warn('could not find the public header for %r' % s)
- elif node.id in map:
- fin = map[node.id]
- else:
- Logs.warn('could not find the public header replacement for build header %r' % s)
- else:
- # this part is more difficult since the path may be relative to anything
- for dirnode in dirnodes:
- node = dirnode.find_resource(s)
- if node:
- if node.id in map:
- fin = map[node.id]
- break
- else:
- Logs.warn('could not find the public header replacement for source header %r %r' % (s, node))
- else:
- Logs.warn('-> could not find the public header for %r' % s)
-
- return "#include <%s>" % fin
- return ''
-
- txt = re_header.sub(repl, txt)
-
- # and write the output file
- f = None
- try:
- f = open(self.outputs[0].abspath(self.env), 'w')
- f.write(txt)
- finally:
- if f:
- f.close()
-
-@TaskGen.feature('pubh')
-def make_public_headers(self):
- """
- collect the public headers to process and to install, then
- create the substitutions (name and contents)
- """
-
- if not self.bld.is_install:
- # install time only (lazy)
- return
-
- # keep two variables
- # hnodedirs: list of folders for searching the headers
- # hnodemap: node ids and replacement string (node objects are unique)
- try:
- self.bld.hnodedirs.append(self.path)
- except AttributeError:
- self.bld.hnodemap = {}
- self.bld.hnodedirs = [self.bld.srcnode, self.path]
-
- for k in 'source4 source4/include lib/talloc lib/tevent/ source4/lib/ldb/include/'.split():
- node = self.bld.srcnode.find_dir(k)
- if node:
- self.bld.hnodedirs.append(node)
-
- header_path = getattr(self, 'header_path', None) or ''
-
- for x in self.to_list(self.headers):
-
- inst_path = header_install_path(x, header_path)
-
- dest = ''
- name = x
- if x.find(':') != -1:
- s = x.split(':')
- name = s[0]
- dest = s[1]
-
- inn = self.path.find_resource(name)
-
- if not inn:
- raise ValueError("could not find the public header %r in %r" % (name, self.path))
- out = inn.change_ext('.inst.h')
- self.create_task('header', inn, out)
-
- if not dest:
- dest = inn.name
-
- if inst_path:
- inst_path = inst_path + '/'
- inst_path = inst_path + dest
-
- self.bld.install_as('${INCLUDEDIR}/%s' % inst_path, out, self.env)
-
- self.bld.hnodemap[inn.id] = inst_path
-
- # create a hash (not md5) to make sure the headers are re-created if something changes
- val = 0
- lst = list(self.bld.hnodemap.keys())
- lst.sort()
- for k in lst:
- val = hash((val, k, self.bld.hnodemap[k]))
- self.bld.env.HEADER_DEPS = val
-
-
-
-def symlink_header(task):
- '''symlink a header in the build tree'''