Skip to content

Commit 96928cc

Browse files
iachieveditiachievedit
committed
Merge pull request swift-arm#3 from pj4533/swift-3.0
Beginning of support for crosscompiling scripting
2 parents 930cb53 + 9f83ec4 commit 96928cc

File tree

15 files changed

+229
-0
lines changed

15 files changed

+229
-0
lines changed

‎.gitignore‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -13,3 +13,6 @@ swift.tar.gz
1313
compiler-rt
1414
swift-corelibs-libdispatch
1515
swift-integration-tests
16+
cache
17+
.DS_Store
18+
sysroot

‎crosscompile_build.sh‎

Lines changed: 41 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,41 @@
1+
#!/bin/bash
2+
#
3+
# Cross Compile Script
4+
# https://swift-arm.slack.com/files/kawa/F17GA65L4/cross-compiling.txt
5+
#
6+
7+
# target
8+
TARGET="linux-armv6"
9+
10+
while getopts ":t:" opt; do
11+
case $opt in
12+
t) TARGET="$OPTARG"
13+
;;
14+
\?) echo "Invalid option -$OPTARG" >&2
15+
;;
16+
esac
17+
done
18+
19+
WORKSPACE="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
20+
INSTALL_DIR=${WORKSPACE}/install
21+
SYSROOT=${WORKSPACE}/crosscompile_support/sysroot
22+
TOOLCHAIN=${WORKSPACE}/crosscompile_support/toolchain/bin
23+
./swift/utils/build-script -R \
24+
--installable-package="${INSTALL_DIR}/swift-3.0" \
25+
--install-destdir="${INSTALL_DIR}/output" \
26+
--install-symroot="${INSTALL_DIR}/debug-output" \
27+
-- \
28+
--llvm-install-components="clang;clang-headers;libclang;libclang-headers" \
29+
--swift-install-components="compiler;stdlib;sdk-overlay;clang-builtin-headers;editor-integration;sourcekit-xpc-service" \
30+
--darwin-toolchain-name="swift-3.0" \
31+
--darwin_toolchain_display_name="local.swift.3" \
32+
--darwin_toolchain_bundle_identifier="local.swift.3" \
33+
--toolchain_prefix="swift3.xctoolchain" \
34+
--darwin_toolchain_alias="local" \
35+
--install-swift \
36+
--install-prefix="/usr" \
37+
--cross-compile-hosts="${TARGET}" \
38+
--cross-compile-sysroot="${SYSROOT}" \
39+
--cross-compile-toolchain-bin="${TOOLCHAIN}" \
40+
--reconfigure
41+

‎crosscompile_get.sh‎

Lines changed: 36 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,36 @@
1+
#!/bin/bash
2+
3+
4+
# distro can be: debian, raspbian or ubuntu
5+
DISTRO="raspbian"
6+
7+
# version of distro
8+
VERSION="jessie"
9+
10+
# arch to build for
11+
ARCH="armhf"
12+
13+
while getopts ":d:v:a:" opt; do
14+
case $opt in
15+
d) DISTRO="$OPTARG"
16+
;;
17+
v) VERSION="$OPTARG"
18+
;;
19+
a) ARCH="$OPTARG"
20+
;;
21+
\?) echo "Invalid option -$OPTARG" >&2
22+
;;
23+
esac
24+
done
25+
26+
#fetch the proper sysroot using script from karwa
27+
echo "Fetching sysroot: sysroot.$ARCH.$DISTRO.$VERSION"
28+
./crosscompile_support/make_sysroot.py --distro $DISTRO --version $VERSION --arch $ARCH --install ./crosscompile_support/sysroot
29+
30+
# cross compiling requires changes from Karwa & armv6 changes from pj4533
31+
git clone https://github.com/pj4533/swift.git swift
32+
33+
./swift/utils/update-checkout --clone
34+
35+
#compiler-rt caused issues
36+
rm -rf compiler-rt

‎crosscompile_support/make_sysroot.py‎

Lines changed: 149 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,149 @@
1+
#!/usr/bin/env python
2+
3+
import argparse
4+
import sys
5+
import gzip
6+
import urllib
7+
import urlparse
8+
import posixpath
9+
import cStringIO
10+
import os
11+
import subprocess
12+
13+
14+
def get_packages_list(args):
15+
filename = "Packages.gz"
16+
filepath = cachedir + "/" + filename
17+
if not os.path.isfile(filepath):
18+
url = mirror + \
19+
"/dists/%s/main/binary-%s/%s" % (args.version, args.arch, filename)
20+
print "Retrieving:", url
21+
urllib.urlretrieve(url, filepath)
22+
io = gzip.open(filepath, 'r')
23+
24+
packages = dict()
25+
curPackage = None
26+
i = 0
27+
28+
print "Processing:", filepath
29+
for line in io.readlines():
30+
if len(line) == 1 and line[0] == '\n':
31+
curPackage = None
32+
continue
33+
34+
try:
35+
key, value = line.rstrip().split(": ", 1)
36+
except:
37+
continue
38+
if curPackage is None:
39+
assert key == "Package"
40+
curPackage = dict()
41+
packages[value] = curPackage
42+
else:
43+
curPackage[key] = value
44+
io.close()
45+
46+
return packages
47+
48+
49+
def urlAndNameFromPackage(p):
50+
url = mirror + "/" + p['Filename']
51+
name = posixpath.basename(urlparse.urlparse(url).path)
52+
return (url, name)
53+
54+
55+
parser = argparse.ArgumentParser(prog='make_sysroot',
56+
description="""Create a sysroot to use when cross-compiling things.
57+
e.g. to make an Ubuntu 14.04 armhf sysroot run:
58+
make_sysroot.py --distro ubuntu --version trusty --arch armhf --install <destination sysroot>
59+
e.g. to make a Debian Jessie armel sysroot run:
60+
make_sysroot.py --distro debian --version jessie --arch armel --install <destination sysroot>"""
61+
)
62+
parser.add_argument('--distro', required=True, help='Distribution')
63+
parser.add_argument('--version', required=True, help='Version')
64+
parser.add_argument('--arch', required=True, help='Architecture')
65+
parser.add_argument('--install', help='Install dir')
66+
67+
68+
args = parser.parse_args(sys.argv[1:])
69+
70+
71+
required_packages = [
72+
'libc6',
73+
'libc6-dev',
74+
'linux-libc-dev',
75+
'libicu52',
76+
'libicu-dev',
77+
'libbsd0',
78+
'libbsd-dev',
79+
'libgcc-4.8-dev',
80+
'libstdc++-4.8-dev',
81+
'libstdc++6',
82+
'libstdc++-4.8-dev',
83+
'libatomic1',
84+
'libgcc1',
85+
'libxml2',
86+
'libxml2-dev',
87+
'libuuid1',
88+
'uuid-dev',
89+
'libncurses5',
90+
'libncurses5-dev',
91+
'libtinfo5',
92+
'libtinfo-dev',
93+
'zlib1g',
94+
'zlib1g-dev',
95+
'libedit2',
96+
'libedit-dev',
97+
'python-dev', # for LLDB
98+
'libsqlite3-0', # for LLBuild
99+
'libsqlite3-dev' # for LLBuild
100+
]
101+
102+
mirror = ""
103+
if args.distro == "ubuntu":
104+
mirror = "http://ports.ubuntu.com/ubuntu-ports"
105+
elif args.distro == "debian":
106+
mirror = "http://ftp.debian.org/debian"
107+
elif args.distro == "raspbian":
108+
mirror = "http://archive.raspbian.com/raspbian"
109+
else:
110+
sys.exit(1)
111+
112+
cachedir = "cache/%s/%s" % (args.distro, args.version)
113+
if not os.path.exists(cachedir):
114+
os.makedirs(cachedir)
115+
116+
all_packages = get_packages_list(args)
117+
118+
deps = []
119+
120+
for name in required_packages:
121+
p = all_packages[name]
122+
url, filename = urlAndNameFromPackage(p)
123+
if p.has_key("Depends"):
124+
for d in p['Depends'].split(', '):
125+
deps.append(d)
126+
filepath = cachedir + "/" + filename
127+
if not os.path.isfile(filepath):
128+
print "Retrieving:", url
129+
urllib.urlretrieve(url, filepath)
130+
131+
if args.install:
132+
print "Installing:", filepath
133+
ret = subprocess.call(['dpkg-deb', '-x', filepath, args.install])
134+
assert ret == 0
135+
136+
137+
# Fixup broken symlinks
138+
if args.install:
139+
for dirname, dirnames, filenames in os.walk(args.install):
140+
for filename in filenames:
141+
path = os.path.join(dirname, filename)
142+
if os.path.islink(path):
143+
link = os.readlink(path)
144+
if link[0] == os.path.sep:
145+
fulllink = os.path.normpath(
146+
os.path.join(args.install, "." + link))
147+
fixed = os.path.relpath(fulllink, dirname)
148+
os.unlink(path)
149+
os.symlink(fixed, path)

‎crosscompile_support/toolchain/bin/ar‎

895 KB
Binary file not shown.

‎crosscompile_support/toolchain/bin/as‎

1.47 MB
Binary file not shown.

‎crosscompile_support/toolchain/bin/ld‎

1.33 MB
Binary file not shown.

‎crosscompile_support/toolchain/bin/ld.bfd‎

1.33 MB
Binary file not shown.

‎crosscompile_support/toolchain/bin/ld.gold‎

6.63 MB
Binary file not shown.

‎crosscompile_support/toolchain/bin/nm‎

875 KB
Binary file not shown.

0 commit comments

Comments
 (0)