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- #!/usr/bin/env python
- # Copyright (c) 2012 The Chromium Authors. All rights reserved.
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- import os
- import shutil
- import subprocess
- import sys
- import tempfile
- def _Usage():
- print 'Usage: merge_static_libs OUTPUT_LIB INPUT_LIB [INPUT_LIB]*'
- sys.exit(1)
- def MergeLibs(in_libs, out_lib):
- """ Merges multiple static libraries into one.
- in_libs: list of paths to static libraries to be merged
- out_lib: path to the static library which will be created from in_libs
- """
- if os.name == 'posix':
- tempdir = tempfile.mkdtemp()
- abs_in_libs = []
- for in_lib in in_libs:
- abs_in_libs.append(os.path.abspath(in_lib))
- curdir = os.getcwd()
- os.chdir(tempdir)
- objects = []
- ar = os.environ.get('AR', 'ar')
- for in_lib in abs_in_libs:
- proc = subprocess.Popen([ar, '-t', in_lib], stdout=subprocess.PIPE)
- proc.wait()
- obj_str = proc.communicate()[0]
- current_objects = obj_str.rstrip().split('\n')
- proc = subprocess.Popen([ar, '-x', in_lib], stdout=subprocess.PIPE,
- stderr=subprocess.STDOUT)
- proc.wait()
- if proc.poll() == 0:
- # The static library is non-thin, and we extracted objects
- for obj in current_objects:
- objects.append(os.path.abspath(obj))
- elif 'thin archive' in proc.communicate()[0]:
- # The static library is thin, so it contains the paths to its objects
- for obj in current_objects:
- objects.append(obj)
- else:
- raise Exception('Failed to extract objects from %s.' % in_lib)
- os.chdir(curdir)
- if not subprocess.call([ar, '-crs', out_lib] + objects) == 0:
- raise Exception('Failed to add object files to %s' % out_lib)
- shutil.rmtree(tempdir)
- elif os.name == 'nt':
- subprocess.call(['lib', '/OUT:%s' % out_lib] + in_libs)
- else:
- raise Exception('Error: Your platform is not supported')
- def Main():
- if len(sys.argv) < 3:
- _Usage()
- out_lib = sys.argv[1]
- in_libs = sys.argv[2:]
- MergeLibs(in_libs, out_lib)
- if '__main__' == __name__:
- sys.exit(Main())
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