def make_ruleset():
( targets, default_deps, default_commands ) = rules.match('DEFAULT')
recurse_deps(default_deps)
( targets, top, commands ) = rules.match('TOP')
recurse_deps(top)
global missing
if missing:
raise SystemExit("Missing dependancies encountered, aborting.")
targets = list(ruleset.keys())
ruleset['DEFAULT'] = Rule(('DEFAULT',), default_deps, default_commands)
rruleset = dict([ (rule.targets,rule) for rule in list(ruleset.values()) ])
return ( rruleset, targets, srcfiles, autofiles )
def recurse_dep(dep):
global autofiles
global srcfiles
global missing
if dep in ruleset:
return None
if dep in srcfiles or dep in autofiles:
return None
debug("Looking for dependancy '%(dep)s'" % locals())
# Is the dependancy matched by a rule?
rule = rules.match(dep)
if rule:
( targets, deplist, commands ) = rule
add_rule(targets, deplist, commands)
debug("Found '%(dep)s' as rule %(targets)s => %(deplist)s" % locals())
return deplist
# Is the dependancy an automatic file?
if files.copy(dep):
# If so, add it to the automatic files list.
debug("Found '%(dep)s' as an automatic file" % locals())
autofiles.append(dep)
return
# Is the dependancy a source file?
# If so, add it to the source files list.
try:
os.stat(dep)
debug("Found '%(dep)s' as source" % locals())
srcfiles.append(dep)
return
except OSError:
print("Missing dependancy: '%s'" % dep)
missing.append(dep)
def scan_cpp(filename, already=None):
if not already:
already = {}
if filename in already:
return
if files.copy(filename) or rules.match(filename):
return [filename]
already[filename] = None
path = os.path.split(filename)[0]
file = read(filename)
if file is None:
raise IOError
deps = [filename]
match = rx_include.search(file)
build_incpaths = files.readlines("build-includes") or []
incpaths = ["", path] + build_incpaths
while match:
inctype, inc = match.groups()
incs = [] if inctype == "<" else [inc]
for incpath in incpaths:
try:
incs = scan_cpp(os.path.join(incpath, inc), already)
except IOError:
continue
if incs is not None:
break
deps.extend(incs or [])
match = rx_include.search(file, match.end())
return deps
