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Creates a linux sysroot with packages required for swift (requires dpkg-deb)
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#!/usr/bin/env python | |
import argparse | |
import sys | |
import gzip | |
import urllib | |
import urlparse | |
import posixpath | |
import cStringIO | |
import os | |
import subprocess | |
def get_packages_list(args): | |
filename = "Packages.gz" | |
filepath = cachedir + "/" + filename | |
if not os.path.isfile(filepath): | |
url = mirror + \ | |
"/dists/%s/main/binary-%s/%s" % (args.version, args.arch, filename) | |
print "Retrieving:", url | |
urllib.urlretrieve(url, filepath) | |
io = gzip.open(filepath, 'r') | |
packages = dict() | |
curPackage = None | |
i = 0 | |
print "Processing:", filepath | |
for line in io.readlines(): | |
if len(line) == 1 and line[0] == '\n': | |
curPackage = None | |
continue | |
try: | |
key, value = line.rstrip().split(": ", 1) | |
except: | |
continue | |
if curPackage is None: | |
assert key == "Package" | |
curPackage = dict() | |
packages[value] = curPackage | |
else: | |
curPackage[key] = value | |
io.close() | |
return packages | |
def urlAndNameFromPackage(p): | |
url = mirror + "/" + p['Filename'] | |
name = posixpath.basename(urlparse.urlparse(url).path) | |
return (url, name) | |
parser = argparse.ArgumentParser(prog='make_sysroot', | |
description="""Create a sysroot to use when cross-compiling things. | |
e.g. to make an Ubuntu 14.04 armhf sysroot run: | |
make_sysroot.py --distro ubuntu --version trusty --arch armhf --install <destination sysroot> | |
e.g. to make a Debian Jessie armel sysroot run: | |
make_sysroot.py --distro debian --version jessie --arch armel --install <destination sysroot>""" | |
) | |
parser.add_argument('--distro', required=True, help='Distribution') | |
parser.add_argument('--version', required=True, help='Version') | |
parser.add_argument('--arch', required=True, help='Architecture') | |
parser.add_argument('--install', help='Install dir') | |
args = parser.parse_args(sys.argv[1:]) | |
required_packages = [ | |
'libc6', | |
'libc6-dev', | |
'linux-libc-dev', | |
'libicu52', | |
'libicu-dev', | |
'libbsd0', | |
'libbsd-dev', | |
'libgcc-4.8-dev', | |
'libstdc++-4.8-dev', | |
'libstdc++6', | |
'libstdc++-4.8-dev', | |
'libatomic1', | |
'libgcc1', | |
'libxml2', | |
'libxml2-dev', | |
'libuuid1', | |
'uuid-dev', | |
'libncurses5', | |
'libncurses5-dev', | |
'libtinfo5', | |
'libtinfo-dev', | |
'zlib1g', | |
'zlib1g-dev', | |
'libedit2', | |
'libedit-dev', | |
'python-dev', # for LLDB | |
'libsqlite3-0', # for LLBuild | |
'libsqlite3-dev' # for LLBuild | |
] | |
mirror = "" | |
if args.distro == "ubuntu": | |
mirror = "http://ports.ubuntu.com/ubuntu-ports" | |
elif args.distro == "debian": | |
mirror = "http://ftp.debian.org/debian" | |
else: | |
sys.exit(1) | |
cachedir = "cache/%s/%s" % (args.distro, args.version) | |
if not os.path.exists(cachedir): | |
os.makedirs(cachedir) | |
all_packages = get_packages_list(args) | |
deps = [] | |
for name in required_packages: | |
p = all_packages[name] | |
url, filename = urlAndNameFromPackage(p) | |
if p.has_key("Depends"): | |
for d in p['Depends'].split(', '): | |
deps.append(d) | |
filepath = cachedir + "/" + filename | |
if not os.path.isfile(filepath): | |
print "Retrieving:", url | |
urllib.urlretrieve(url, filepath) | |
if args.install: | |
print "Installing:", filepath | |
ret = subprocess.call(['dpkg-deb', '-x', filepath, args.install]) | |
assert ret == 0 | |
# Fixup broken symlinks | |
if args.install: | |
for dirname, dirnames, filenames in os.walk(args.install): | |
for filename in filenames: | |
path = os.path.join(dirname, filename) | |
if os.path.islink(path): | |
link = os.readlink(path) | |
if link[0] == os.path.sep: | |
fulllink = os.path.normpath( | |
os.path.join(args.install, "." + link)) | |
fixed = os.path.relpath(fulllink, dirname) | |
os.unlink(path) | |
os.symlink(fixed, path) |
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