mirror of
https://github.com/syncthing/syncthing-android.git
synced 2024-11-26 14:21:16 +00:00
3a188d457c
* Patch go wrong tls alignment for Android Q compatibility (fixes #370) * Remove wrong x86 patch * Incorporate @kvaster's Android Q patch into build script (fixes #370) Thanks for the contributon! * Update build script for Python 2 compatibility * Second attempt for python 2
432 lines
16 KiB
Python
432 lines
16 KiB
Python
from __future__ import print_function
|
|
import os
|
|
import os.path
|
|
import sys
|
|
import subprocess
|
|
import platform
|
|
#
|
|
# Script Compatibility:
|
|
# - Python 2.7.15
|
|
# - Python 3.7.0
|
|
#
|
|
|
|
SUPPORTED_PYTHON_PLATFORMS = ['Windows', 'Linux', 'Darwin']
|
|
|
|
GO_VERSION = '1.12.1'
|
|
GO_EXPECTED_SHASUM_LINUX = '2a3fdabf665496a0db5f41ec6af7a9b15a49fbe71a85a50ca38b1f13a103aeec'
|
|
GO_EXPECTED_SHASUM_WINDOWS = '2f4849b512fffb2cf2028608aa066cc1b79e730fd146c7b89015797162f08ec5'
|
|
|
|
BUILD_TARGETS = [
|
|
{
|
|
'arch': 'arm',
|
|
'goarch': 'arm',
|
|
'jni_dir': 'armeabi',
|
|
'cc': 'arm-linux-androideabi-clang',
|
|
'patch_underaligned_tls': 'yes',
|
|
},
|
|
{
|
|
'arch': 'arm64',
|
|
'goarch': 'arm64',
|
|
'jni_dir': 'arm64-v8a',
|
|
'cc': 'aarch64-linux-android-clang',
|
|
'patch_underaligned_tls': 'yes',
|
|
'min_sdk': 21,
|
|
},
|
|
{
|
|
'arch': 'x86',
|
|
'goarch': '386',
|
|
'jni_dir': 'x86',
|
|
'cc': 'i686-linux-android-clang',
|
|
}
|
|
]
|
|
|
|
|
|
def fail(message, *args, **kwargs):
|
|
print((message % args).format(**kwargs))
|
|
sys.exit(1)
|
|
|
|
|
|
def get_min_sdk(project_dir):
|
|
with open(os.path.join(project_dir, 'app', 'build.gradle')) as file_handle:
|
|
for line in file_handle:
|
|
tokens = list(filter(None, line.split()))
|
|
if len(tokens) == 2 and tokens[0] == 'minSdkVersion':
|
|
return int(tokens[1])
|
|
|
|
fail('Failed to find minSdkVersion')
|
|
|
|
def which(program):
|
|
import os
|
|
def is_exe(fpath):
|
|
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
|
|
|
|
if (sys.platform == 'win32'):
|
|
program += ".exe"
|
|
fpath, fname = os.path.split(program)
|
|
if fpath:
|
|
if is_exe(program):
|
|
return program
|
|
else:
|
|
for path in os.environ["PATH"].split(os.pathsep):
|
|
exe_file = os.path.join(path, program)
|
|
if is_exe(exe_file):
|
|
return exe_file
|
|
|
|
return None
|
|
|
|
def change_permissions_recursive(path, mode):
|
|
import os
|
|
for root, dirs, files in os.walk(path, topdown=False):
|
|
for dir in [os.path.join(root,d) for d in dirs]:
|
|
os.chmod(dir, mode)
|
|
for file in [os.path.join(root, f) for f in files]:
|
|
os.chmod(file, mode)
|
|
|
|
def install_git():
|
|
import os
|
|
import zipfile
|
|
import hashlib
|
|
|
|
if sys.version_info[0] >= 3:
|
|
from urllib.request import urlretrieve
|
|
else:
|
|
from urllib import urlretrieve
|
|
|
|
# Consts.
|
|
pwd_path = os.path.dirname(os.path.realpath(__file__))
|
|
if sys.platform == 'win32':
|
|
url = 'https://github.com/git-for-windows/git/releases/download/v2.19.0.windows.1/MinGit-2.19.0-64-bit.zip'
|
|
expected_shasum = '424d24b5fc185a9c5488d7872262464f2facab4f1d4693ea8008196f14a3c19b'
|
|
zip_fullfn = pwd_path + os.path.sep + 'mingit.zip';
|
|
else:
|
|
print('Portable on-demand git installation is currently not supported on linux.')
|
|
return None
|
|
|
|
# Download MinGit.
|
|
url_base_name = os.path.basename(url)
|
|
if not os.path.isfile(zip_fullfn):
|
|
print('Downloading MinGit to:', zip_fullfn)
|
|
zip_fullfn = urlretrieve(url, zip_fullfn)[0]
|
|
print('Downloaded MinGit to:', zip_fullfn)
|
|
|
|
# Verfiy SHA-256 checksum of downloaded files.
|
|
with open(zip_fullfn, 'rb') as f:
|
|
contents = f.read()
|
|
found_shasum = hashlib.sha256(contents).hexdigest()
|
|
print("SHA-256:", zip_fullfn, "%s" % found_shasum)
|
|
if found_shasum != expected_shasum:
|
|
fail('Error: SHA-256 checksum ' + found_shasum + ' of downloaded file does not match expected checksum ' + expected_shasum)
|
|
print("[ok] Checksum of", zip_fullfn, "matches expected value.")
|
|
|
|
# Proceed with extraction of the MinGit.
|
|
if not os.path.isfile(pwd_path + os.path.sep + 'mingit' + os.path.sep + 'LICENSE.txt'):
|
|
print("Extracting MinGit ...")
|
|
# This will go to a subfolder "mingit" in the current path.
|
|
zip = zipfile.ZipFile(zip_fullfn, 'r')
|
|
zip.extractall(pwd_path + os.path.sep + 'mingit')
|
|
zip.close()
|
|
|
|
# Add "mingit/cmd" to the PATH.
|
|
git_bin_path = pwd_path + os.path.sep + 'mingit' + os.path.sep + 'cmd'
|
|
print('Adding to PATH:', git_bin_path)
|
|
os.environ["PATH"] += os.pathsep + git_bin_path
|
|
|
|
|
|
def install_go():
|
|
import os
|
|
import tarfile
|
|
import zipfile
|
|
import hashlib
|
|
|
|
if sys.version_info[0] >= 3:
|
|
from urllib.request import urlretrieve
|
|
else:
|
|
from urllib import urlretrieve
|
|
|
|
# Consts.
|
|
pwd_path = os.path.dirname(os.path.realpath(__file__))
|
|
if sys.platform == 'win32':
|
|
url = 'https://dl.google.com/go/go' + GO_VERSION + '.windows-amd64.zip'
|
|
expected_shasum = GO_EXPECTED_SHASUM_WINDOWS
|
|
tar_gz_fullfn = pwd_path + os.path.sep + 'go.zip';
|
|
else:
|
|
url = 'https://dl.google.com/go/go' + GO_VERSION + '.linux-amd64.tar.gz'
|
|
expected_shasum = GO_EXPECTED_SHASUM_LINUX
|
|
tar_gz_fullfn = pwd_path + os.path.sep + 'go.tgz';
|
|
|
|
# Download prebuilt-go.
|
|
url_base_name = os.path.basename(url)
|
|
if not os.path.isfile(tar_gz_fullfn):
|
|
print('Downloading prebuilt-go to:', tar_gz_fullfn)
|
|
tar_gz_fullfn = urlretrieve(url, tar_gz_fullfn)[0]
|
|
print('Downloaded prebuilt-go to:', tar_gz_fullfn)
|
|
|
|
# Verfiy SHA-256 checksum of downloaded files.
|
|
with open(tar_gz_fullfn, 'rb') as f:
|
|
contents = f.read()
|
|
found_shasum = hashlib.sha256(contents).hexdigest()
|
|
print("SHA-256:", tar_gz_fullfn, "%s" % found_shasum)
|
|
if found_shasum != expected_shasum:
|
|
fail('Error: SHA-256 checksum ' + found_shasum + ' of downloaded file does not match expected checksum ' + expected_shasum)
|
|
print("[ok] Checksum of", tar_gz_fullfn, "matches expected value.")
|
|
|
|
# Proceed with extraction of the prebuilt go.
|
|
if not os.path.isfile(pwd_path + os.path.sep + 'go' + os.path.sep + 'LICENSE'):
|
|
print("Extracting prebuilt-go ...")
|
|
# This will go to a subfolder "go" in the current path.
|
|
file_name, file_extension = os.path.splitext(url_base_name)
|
|
if sys.platform == 'win32':
|
|
zip = zipfile.ZipFile(tar_gz_fullfn, 'r')
|
|
zip.extractall(pwd_path)
|
|
zip.close()
|
|
else:
|
|
tar = tarfile.open(tar_gz_fullfn)
|
|
tar.extractall(pwd_path)
|
|
tar.close()
|
|
|
|
# Add "go/bin" to the PATH.
|
|
go_bin_path = pwd_path + os.path.sep + 'go' + os.path.sep + 'bin'
|
|
print('Adding to PATH:', go_bin_path)
|
|
os.environ["PATH"] += os.pathsep + go_bin_path
|
|
|
|
|
|
|
|
|
|
def install_ndk():
|
|
import os
|
|
import zipfile
|
|
import hashlib
|
|
|
|
if sys.version_info[0] >= 3:
|
|
from urllib.request import urlretrieve
|
|
else:
|
|
from urllib import urlretrieve
|
|
|
|
# Consts.
|
|
pwd_path = os.path.dirname(os.path.realpath(__file__))
|
|
if sys.platform == 'win32':
|
|
url = 'https://dl.google.com/android/repository/android-ndk-r18-windows-x86_64.zip'
|
|
expected_shasum = '7fc0e0f94d86ea389bd18761abdc1bae2c005587'
|
|
|
|
else:
|
|
url = 'https://dl.google.com/android/repository/android-ndk-r18-linux-x86_64.zip'
|
|
expected_shasum = '2ac2e8e1ef73ed551cac3a1479bb28bd49369212'
|
|
|
|
zip_fullfn = pwd_path + os.path.sep + 'ndk.zip';
|
|
# Download NDK.
|
|
url_base_name = os.path.basename(url)
|
|
if not os.path.isfile(zip_fullfn):
|
|
print('Downloading NDK to:', zip_fullfn)
|
|
zip_fullfn = urlretrieve(url, zip_fullfn)[0]
|
|
print('Downloaded NDK to:', zip_fullfn)
|
|
|
|
# Verfiy SHA-1 checksum of downloaded files.
|
|
with open(zip_fullfn, 'rb') as f:
|
|
contents = f.read()
|
|
found_shasum = hashlib.sha1(contents).hexdigest()
|
|
print("SHA-1:", zip_fullfn, "%s" % found_shasum)
|
|
if found_shasum != expected_shasum:
|
|
fail('Error: SHA-256 checksum ' + found_shasum + ' of downloaded file does not match expected checksum ' + expected_shasum)
|
|
print("[ok] Checksum of", zip_fullfn, "matches expected value.")
|
|
|
|
# Proceed with extraction of the NDK if necessary.
|
|
ndk_home_path = pwd_path + os.path.sep + 'android-ndk-r18'
|
|
if not os.path.isfile(ndk_home_path + os.path.sep + "sysroot" + os.path.sep + "NOTICE"):
|
|
print("Extracting NDK ...")
|
|
# This will go to a subfolder "android-ndk-r18" in the current path.
|
|
file_name, file_extension = os.path.splitext(url_base_name)
|
|
zip = zipfile.ZipFile(zip_fullfn, 'r')
|
|
zip.extractall(pwd_path)
|
|
zip.close()
|
|
|
|
# Linux only - Set executable permission on files.
|
|
if platform.system() == 'Linux':
|
|
print("Setting permissions on NDK executables ...")
|
|
change_permissions_recursive(ndk_home_path, 0o755);
|
|
|
|
# Add "ANDROID_NDK_HOME" environment variable.
|
|
print('Adding ANDROID_NDK_HOME=\'' + ndk_home_path + '\'')
|
|
os.environ["ANDROID_NDK_HOME"] = ndk_home_path
|
|
|
|
|
|
def artifact_patch_underaligned_tls(artifact_fullfn):
|
|
import struct
|
|
|
|
with open(artifact_fullfn, 'r+b') as f:
|
|
f.seek(0)
|
|
hdr = struct.unpack('16c', f.read(16))
|
|
if hdr[0] != b'\x7f' or hdr[1] != b'E' or hdr[2] != b'L' or hdr[3] != b'F':
|
|
print('artifact_patch_underaligned_tls: Not an ELF file')
|
|
return None
|
|
|
|
if hdr[4] == b'\x01':
|
|
# 32 bit code
|
|
f.seek(28)
|
|
offset = struct.unpack('<I', f.read(4))[0]
|
|
f.seek(42)
|
|
phsize = struct.unpack('<H', f.read(2))[0]
|
|
phnum = struct.unpack('<H', f.read(2))[0]
|
|
for i in range(0, phnum):
|
|
f.seek(offset + i * phsize)
|
|
t = struct.unpack('<I', f.read(4))[0]
|
|
if t == 7:
|
|
f.seek(28 - 4, 1)
|
|
align = struct.unpack('<I', f.read(4))[0]
|
|
if (align < 32):
|
|
print('artifact_patch_underaligned_tls: Patching underaligned TLS segment from ' + str(align) + ' to 32')
|
|
f.seek(-4, 1)
|
|
f.write(struct.pack('<I', 32))
|
|
|
|
elif hdr[4] == b'\x02':
|
|
# 64 bit code
|
|
f.seek(32)
|
|
offset = struct.unpack('<Q', f.read(8))[0]
|
|
f.seek(54)
|
|
phsize = struct.unpack('<H', f.read(2))[0]
|
|
phnum = struct.unpack('<H', f.read(2))[0]
|
|
for i in range(0, phnum):
|
|
f.seek(offset + i * phsize)
|
|
t = struct.unpack('<I', f.read(4))[0]
|
|
if t == 7:
|
|
f.seek(48 - 4, 1)
|
|
align = struct.unpack('<Q', f.read(8))[0]
|
|
if (align < 64):
|
|
print('artifact_patch_underaligned_tls: Patching underaligned TLS segment from ' + str(align) + ' to 64')
|
|
f.seek(-8, 1)
|
|
f.write(struct.pack('<H', 64))
|
|
|
|
else:
|
|
print('artifact_patch_underaligned_tls: Unknown ELF file class')
|
|
|
|
|
|
#
|
|
# BUILD SCRIPT MAIN.
|
|
#
|
|
if platform.system() not in SUPPORTED_PYTHON_PLATFORMS:
|
|
fail('Unsupported python platform %s. Supported platforms: %s', platform.system(),
|
|
', '.join(SUPPORTED_PYTHON_PLATFORMS))
|
|
|
|
module_dir = os.path.dirname(os.path.realpath(__file__))
|
|
project_dir = os.path.realpath(os.path.join(module_dir, '..'))
|
|
# Use seperate build dir so standalone ndk isn't deleted by `gradle clean`
|
|
build_dir = os.path.join(module_dir, 'gobuild')
|
|
go_build_dir = os.path.join(build_dir, 'go-packages')
|
|
syncthing_dir = os.path.join(module_dir, 'src', 'github.com', 'syncthing', 'syncthing')
|
|
min_sdk = get_min_sdk(project_dir)
|
|
|
|
# Check if git is available.
|
|
git_bin = which("git");
|
|
if not git_bin:
|
|
print('Warning: git is not available on the PATH.')
|
|
install_git();
|
|
# Retry: Check if git is available.
|
|
git_bin = which("git");
|
|
if not git_bin:
|
|
fail('Error: git is not available on the PATH.')
|
|
print('git_bin=\'' + git_bin + '\'')
|
|
|
|
# Check if go is available.
|
|
go_bin = which("go");
|
|
if not go_bin:
|
|
print('Warning: go is not available on the PATH.')
|
|
install_go();
|
|
# Retry: Check if go is available.
|
|
go_bin = which("go");
|
|
if not go_bin:
|
|
fail('Error: go is not available on the PATH.')
|
|
print('go_bin=\'' + go_bin + '\'')
|
|
|
|
# Check if ANDROID_NDK_HOME variable is set.
|
|
if not os.environ.get('ANDROID_NDK_HOME', ''):
|
|
print('Warning: ANDROID_NDK_HOME environment variable not defined.')
|
|
install_ndk();
|
|
# Retry: Check if ANDROID_NDK_HOME variable is set.
|
|
if not os.environ.get('ANDROID_NDK_HOME', ''):
|
|
fail('Error: ANDROID_NDK_HOME environment variable not defined')
|
|
print('ANDROID_NDK_HOME=\'' + os.environ.get('ANDROID_NDK_HOME', '') + '\'')
|
|
|
|
# Make sure all tags are available for git describe
|
|
print('Invoking git fetch ...')
|
|
subprocess.check_call([
|
|
'git',
|
|
'-C',
|
|
syncthing_dir,
|
|
'fetch',
|
|
'--tags'
|
|
])
|
|
|
|
print('Invoking git describe ...')
|
|
syncthingVersion = subprocess.check_output([
|
|
git_bin,
|
|
'-C',
|
|
syncthing_dir,
|
|
'describe',
|
|
'--always'
|
|
]).strip();
|
|
syncthingVersion = syncthingVersion.decode().replace("rc", "preview");
|
|
print('Building syncthing version', syncthingVersion);
|
|
|
|
for target in BUILD_TARGETS:
|
|
target_min_sdk = str(target.get('min_sdk', min_sdk))
|
|
print('Building for', target['arch'])
|
|
|
|
if os.environ.get('SYNCTHING_ANDROID_PREBUILT', ''):
|
|
# The environment variable indicates the SDK and stdlib was prebuilt, set a custom paths.
|
|
standalone_ndk_dir = os.environ['ANDROID_NDK_HOME'] + os.path.sep + 'standalone-ndk' + os.path.sep + 'android-' + target_min_sdk + '-' + target['goarch']
|
|
pkg_argument = []
|
|
else:
|
|
# Build standalone NDK toolchain if it doesn't exist.
|
|
# https://developer.android.com/ndk/guides/standalone_toolchain.html
|
|
standalone_ndk_dir = build_dir + os.path.sep + 'standalone-ndk' + os.path.sep + 'android-' + target_min_sdk + '-' + target['goarch']
|
|
pkg_argument = ['-pkgdir', os.path.join(go_build_dir, target['goarch'])]
|
|
|
|
if not os.path.isdir(standalone_ndk_dir):
|
|
print('Building standalone NDK for', target['arch'], 'API level', target_min_sdk, 'to', standalone_ndk_dir)
|
|
subprocess.check_call([
|
|
sys.executable,
|
|
os.path.join(os.environ['ANDROID_NDK_HOME'], 'build', 'tools', 'make_standalone_toolchain.py'),
|
|
'--arch',
|
|
target['arch'],
|
|
'--api',
|
|
target_min_sdk,
|
|
'--install-dir',
|
|
standalone_ndk_dir,
|
|
'-v'
|
|
])
|
|
|
|
environ = os.environ.copy()
|
|
environ.update({
|
|
'GOPATH': module_dir,
|
|
'GO111MODULE': 'on',
|
|
'CGO_ENABLED': '1',
|
|
})
|
|
|
|
subprocess.check_call([go_bin, 'mod', 'download'], cwd=syncthing_dir)
|
|
subprocess.check_call([
|
|
go_bin, 'run', 'build.go', '-goos', 'android', '-goarch', target['goarch'],
|
|
'-cc', os.path.join(standalone_ndk_dir, 'bin', target['cc']),
|
|
'-version', syncthingVersion
|
|
] + pkg_argument + ['-no-upgrade', 'build'], env=environ, cwd=syncthing_dir)
|
|
|
|
# Determine path of source artifact
|
|
source_artifact = os.path.join(syncthing_dir, 'syncthing')
|
|
|
|
# Patch artifact to work around golang bug.
|
|
# See issues:
|
|
# - https://github.com/Catfriend1/syncthing-android/issues/370
|
|
# - https://github.com/golang/go/issues/29674
|
|
if 'patch_underaligned_tls' in target:
|
|
artifact_patch_underaligned_tls(source_artifact)
|
|
|
|
# Copy compiled binary to jniLibs folder
|
|
target_dir = os.path.join(project_dir, 'app', 'src', 'main', 'jniLibs', target['jni_dir'])
|
|
if not os.path.isdir(target_dir):
|
|
os.makedirs(target_dir)
|
|
target_artifact = os.path.join(target_dir, 'libsyncthing.so')
|
|
if os.path.exists(target_artifact):
|
|
os.unlink(target_artifact)
|
|
os.rename(os.path.join(syncthing_dir, 'syncthing'), target_artifact)
|
|
|
|
print('Finished build for', target['arch'])
|
|
|
|
print('All builds finished')
|