#!/usr/bin/env python

from __future__ import print_function

import os

import sys

import subprocess

import re

re_needso = re.compile(r'^.*\(NEEDED\)\s+Shared library: \[lib(.*)\.so\]\s*$')

blacklist_libs = (

'c',

'stdc++',

'dl',

'python2.7',

'sdl',

'sdl_image',

'sdl_ttf',

'z',

'm',

'GLESv2',

'jpeg',

'png',

'log',

)

found_libs = []

sofiles = [ ]

for directory in sys.argv[2:]:

for fn in os.listdir(directory):

fn = os.path.join(directory, fn)

if not fn.endswith(".libs"):

continue

dirfn = fn[:-1] + 'dirs'

if not os.path.exists(dirfn):

continue

with open(fn) as f:

needed_libs = [lib for lib in {ln.strip() for ln in f} if lib not in blacklist_libs and lib not in found_libs]

while needed_libs:

print('need libs:\n\t' + '\n\t'.join(needed_libs))

start_needed_libs = needed_libs[:]

found_sofiles = []

with open(dirfn) as f:

for libdir in f:

if not needed_libs:

break

libdir = libdir.strip()

print('scanning %s' % libdir)

for lib in needed_libs[:]:

if lib in found_libs:

continue

if lib.endswith('.a'):

needed_libs.remove(lib)

found_libs.append(lib)

continue

lib_a = 'lib' + lib + '.a'

libpath_a = os.path.join(libdir, lib_a)

lib_so = 'lib' + lib + '.so'

libpath_so = os.path.join(libdir, lib_so)

plain_so = lib + '.so'

plainpath_so = os.path.join(libdir, plain_so)

sopath = None

if os.path.exists(libpath_so):

sopath = libpath_so

elif os.path.exists(plainpath_so):

sopath = plainpath_so

if sopath:

print('found %s in %s' % (lib, libdir))

found_sofiles.append(sopath)

needed_libs.remove(lib)

found_libs.append(lib)

continue

if os.path.exists(libpath_a):

print('found %s (static) in %s' % (lib, libdir))

needed_libs.remove(lib)

found_libs.append(lib)

continue

for sofile in found_sofiles:

print('scanning dependencies for %s' % sofile)

out = subprocess.check_output([os.environ['READELF'], '-d', sofile])

for line in out.splitlines():

needso = re_needso.match(line)

if needso:

lib = needso.group(1)

if lib not in needed_libs and lib not in found_libs and lib not in blacklist_libs:

needed_libs.append(needso.group(1))

sofiles += found_sofiles

if needed_libs == start_needed_libs:

raise RuntimeError('Failed to locate needed libraries!\n\t' + '\n\t'.join(needed_libs))

output = sys.argv[1]

with open(output, 'w') as f:

f.write('\n'.join(sofiles))