79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright 2016 Google Inc.
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#
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Create the asset."""
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import argparse
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import fileinput
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import os
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import shutil
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import subprocess
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import sys
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from distutils import dir_util
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def create_asset(target_dir):
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"""Create the asset."""
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print "Installing some cross-compiling packages. Hit enter to continue."
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raw_input()
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subprocess.check_call([
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"sudo","apt-get","install",
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"libstdc++-4.8-dev-armhf-cross",
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"libgcc-4.8-dev-armhf-cross",
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"binutils-arm-linux-gnueabihf"
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])
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shutil.copytree('/usr/arm-linux-gnueabihf', target_dir)
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shutil.copytree('/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8.4',
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os.path.join(target_dir, 'gcc-cross'))
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# copy_tree allows copying into a dir that exists
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# We need to augment the toolchain with some lib*.so that help ld
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# do its magic as well as some includes that may be useful.
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dir_util.copy_tree('/usr/x86_64-linux-gnu/arm-linux-gnueabihf/lib',
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os.path.join(target_dir, 'lib'))
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dir_util.copy_tree('/usr/x86_64-linux-gnu/arm-linux-gnueabihf/include',
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os.path.join(target_dir, 'include'))
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# The file paths in libpthread.so and libc.so start off as absolute file
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# paths (e.g. /usr/arm-linux-gnueabihf/lib/libpthread.so.0), which won't
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# work on the bots. We use fileinput to replace just those lines (which
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# start with GROUP). fileinput redirects stdout, so printing here actually
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# writes to the file.
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bad_libpthread = os.path.join(target_dir, "lib", "libpthread.so")
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for line in fileinput.input(bad_libpthread, inplace=True):
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if line.startswith("GROUP"):
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print "GROUP ( libpthread.so.0 libpthread_nonshared.a )"
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else:
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print line
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bad_libc = os.path.join(target_dir, "lib", "libc.so")
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for line in fileinput.input(bad_libc, inplace=True):
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if line.startswith("GROUP"):
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print ("GROUP ( libc.so.6 libc_nonshared.a "
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"AS_NEEDED ( ld-linux-armhf.so.3 ) )")
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else:
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print line
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def main():
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if 'linux' not in sys.platform:
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print >> sys.stderr, 'This script only runs on Linux.'
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sys.exit(1)
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parser = argparse.ArgumentParser()
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parser.add_argument('--target_dir', '-t', required=True)
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args = parser.parse_args()
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create_asset(args.target_dir)
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if __name__ == '__main__':
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main()
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