64eb2ff0b9
Script for building iOS fat libraries with armv7/arm64/x86_64. BUG=4119 R=jiayl@webrtc.org Review URL: https://webrtc-codereview.appspot.com/51429004 Cr-Commit-Position: refs/heads/master@{#8834} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8834 4adac7df-926f-26a2-2b94-8c16560cd09d
127 lines
4.6 KiB
Python
Executable File
127 lines
4.6 KiB
Python
Executable File
#!/usr/bin/python
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#
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# libjingle
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# Copyright 2015 Google Inc.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Script for merging generated iOS libraries."""
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import optparse
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import os
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import re
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import subprocess
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import sys
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def MergeLibs(lib_base_dir):
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"""Merges generated iOS libraries for different archs.
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Uses libtool to generate FAT archive files for each generated library.
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Args:
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lib_base_dir: directory whose subdirectories are named by architecture and
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contain the built libraries for that architecture
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Returns:
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Exit code of libtool.
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"""
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output_dir_name = 'fat'
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archs = [arch for arch in os.listdir(lib_base_dir)
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if arch[:1] != '.' and arch != output_dir_name]
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# For each arch, find (library name, libary path) for arch. We will merge
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# all libraries with the same name.
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libs = {}
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for dirpath, _, filenames in os.walk(lib_base_dir):
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if dirpath.endswith(output_dir_name):
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continue
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for filename in filenames:
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if not filename.endswith('.a'):
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continue
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entry = libs.get(filename, [])
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entry.append(os.path.join(dirpath, filename))
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libs[filename] = entry
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# Some sublibaries are only present in certain architectures. We merge
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# them into their parent library so that the library list is consistent
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# across architectures.
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libs_copy = dict(libs)
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for library, paths in libs.items():
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if len(paths) < len(archs):
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# Hacky: we find parent libraries by stripping off each name component.
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components = library.strip('.a').split('_')[:-1]
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found = False
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while components:
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parent_library = '_'.join(components) + '.a'
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if (parent_library in libs_copy
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and len(libs_copy[parent_library]) >= len(archs)):
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libs[parent_library].extend(paths)
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del libs[library]
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found = True
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break
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components = components[:-1]
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assert found
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# Create output directory.
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output_dir_path = os.path.join(lib_base_dir, output_dir_name)
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if not os.path.exists(output_dir_path):
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os.mkdir(output_dir_path)
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# Use this so libtool merged binaries are always the same.
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env = os.environ.copy()
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env['ZERO_AR_DATE'] = '1'
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# Ignore certain errors.
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libtool_re = re.compile(r'^.*libtool:.*file: .* has no symbols$')
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# Merge libraries using libtool.
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for library, paths in libs.items():
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cmd_list = ['libtool', '-static', '-v', '-o',
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os.path.join(output_dir_path, library)] + paths
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libtoolout = subprocess.Popen(cmd_list, stderr=subprocess.PIPE, env=env)
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_, err = libtoolout.communicate()
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for line in err.splitlines():
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if not libtool_re.match(line):
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print >>sys.stderr, line
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# Unconditionally touch the output .a file on the command line if present
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# and the command succeeded. A bit hacky.
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if not libtoolout.returncode:
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for i in range(len(cmd_list) - 1):
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if cmd_list[i] == '-o' and cmd_list[i+1].endswith('.a'):
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os.utime(cmd_list[i+1], None)
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break
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else:
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return libtoolout.returncode
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return libtoolout.returncode
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def Main():
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parser = optparse.OptionParser()
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_, args = parser.parse_args()
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if len(args) != 1:
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parser.error('Error: Exactly 1 argument required.')
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lib_base_dir = args[0]
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MergeLibs(lib_base_dir)
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if __name__ == '__main__':
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sys.exit(Main())
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