def GetActualFilePathAndType(shortname):
actual_lib_path = ldtools.FindFile([shortname], env.get('SEARCH_DIRS'),
ldtools.LibraryTypes.ANY)
if actual_lib_path == None:
Log.Warning('Could not find path of lib: %s, assuming it is native',
shortname)
file_type = 'so'
else:
file_type = FileType(actual_lib_path)
return actual_lib_path, file_type
def GetTransitiveClosureOfNeeded(base_needed):
visited_portable = set()
visited_native = set()
all_needed = set(base_needed)
worklist = deque(base_needed)
while len(worklist) != 0:
lib = worklist.popleft()
if lib in visited_portable or lib in visited_native:
continue
actual_lib_path, file_type = GetActualFilePathAndType(lib)
if file_type == 'so':
# We could trace if we used objdump / readelf...
Log.Warning('Not tracing dependencies of native lib %s', lib)
visited_native.add(lib)
continue
elif file_type == 'pso':
visited_portable.add(lib)
more_needed = GetBitcodeMetadata(actual_lib_path).get(
'NeedsLibrary', [])
all_needed |= set(more_needed)
worklist.extend(more_needed)
else:
Log.Fatal('Lib: %s is neither bitcode nor native', lib)
return all_needed
