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build-3rdparty.py
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build-3rdparty.py
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from __future__ import print_function
import argparse
import doctest
import fileinput
import fnmatch
import glob
import multiprocessing
import os
import os.path
import re
import shutil
import ssl
import subprocess
import sys
import tarfile
import textwrap
try:
from shlex import quote
except:
from pipes import quote
try:
from urllib.request import urlopen
except ImportError:
from urllib2 import urlopen
try:
# workaround for SSL certificate error
ssl._create_default_https_context = ssl._create_unverified_context
except:
pass
DEV_NULL = open(os.devnull, 'w+')
Context = type(
'Context', (),
{
field: '' for field in (
'root_dir work_dir dist_dir log_file commit_file'
' pkg_dir pkg_src_dir pkg_bin_dir pkg_lib_dir pkg_inc_dir pkg_rpath_dir'
' pkg pkg_name pkg_ver pkg_deps'
' build host toolchain variant android_platform macos_platform macos_arch'
' prefer_cmake'
' env unparsed_env').split()
})
#
# Helpers.
#
def changedir(ctx, dir_path):
# format arguments
dir_path = dir_path.format(ctx=ctx)
with open(ctx.log_file, 'a+') as fp:
print('>>> cd ' + dir_path, file=fp)
os.chdir(dir_path)
def download(ctx, url, out):
def _fetch_vendored(url, path):
for subdir, _, _ in os.walk(ctx.dist_dir):
distfile = os.path.join(subdir, os.path.basename(path))
if os.path.exists(distfile):
msg('[found vendored] {}', os.path.basename(distfile))
with open(distfile, 'rb') as rp:
with open(path, 'wb') as wp:
wp.write(rp.read())
return
raise
def _fetch_urlopen(url, path):
rp = urlopen(url)
with open(path, 'wb') as wp:
wp.write(rp.read())
def _fetch_tool(url, path, tool, cmd):
msg('[trying {}] {}', tool, url)
with open(ctx.log_file, 'a+') as fp:
print('>>> ' + cmd, file=fp)
if os.system(cmd) != 0:
raise
def _fetch_wget(url, path):
_fetch_tool(url, path, 'wget',
'wget "{}" --quiet -O "{}"'.format(url, path))
def _fetch_curl(url, path):
_fetch_tool(url, path, 'curl',
'curl -Ls "{}" -o "{}"'.format(url, path))
# format arguments
url = url.format(ctx=ctx)
out = out.format(ctx=ctx)
path_res = 'src/' + out
path_tmp = 'tmp/' + out
if os.path.exists(path_res):
msg('[found downloaded] {}', out)
return
rmpath(path_res)
rmpath(path_tmp)
mkpath('tmp')
error = None
for fn in [_fetch_vendored, _fetch_urlopen, _fetch_curl, _fetch_wget]:
try:
fn(url, path_tmp)
shutil.move(path_tmp, path_res)
rm_emptydir('tmp')
return
except Exception as e:
if fn == _fetch_vendored:
msg('[download] {}', url)
if fn == _fetch_urlopen:
error = e
die("can't download '{}': {}", url, error)
def unpack(ctx, filename, dirname):
# format arguments
filename = filename.format(ctx=ctx)
dirname = dirname.format(ctx=ctx)
dirname_res = 'src/' + dirname
dirname_tmp = 'tmp/' + dirname
if os.path.exists(dirname_res):
msg('[found unpacked] {}', dirname)
return
msg('[unpack] {}', filename)
rmpath(dirname_res)
rmpath(dirname_tmp)
mkpath('tmp')
tar = tarfile.open('src/'+filename, 'r')
try:
tar.extractall('tmp', filter='data')
except:
tar.extractall('tmp')
tar.close()
shutil.move(dirname_tmp, dirname_res)
rm_emptydir('tmp')
def execute(ctx, cmd, ignore_error=False, clear_env=False):
msg('[execute] {}', cmd)
with open(ctx.log_file, 'a+') as fp:
print('>>> ' + cmd, file=fp)
env = None
if clear_env:
env = {'HOME': os.environ['HOME'], 'PATH': os.environ['PATH']}
code = subprocess.call('{} >>{} 2>&1'.format(cmd, ctx.log_file), shell=True, env=env)
if code != 0:
if ignore_error:
with open(ctx.log_file, 'a+') as fp:
print('command exited with status {}'.format(code), file=fp)
else:
exit(1)
def execute_make(ctx, cpu_count=None):
if cpu_count is None:
cpu_count = detect_cpu_count()
cmd = ['make']
if cpu_count:
cmd += ['-j' + str(cpu_count)]
execute(ctx, ' '.join(cmd))
def execute_cmake(ctx, src_dir, args=None):
def _getvar(var, default):
if var in ctx.env:
return ctx.env[var]
return '-'.join([s for s in [ctx.toolchain, default] if s])
# format arguments
src_dir = src_dir.format(ctx=ctx)
if not args:
args = []
compiler = _getvar('CC', 'gcc')
sysroot = find_sysroot(ctx.toolchain, compiler)
need_sysroot = bool(sysroot)
need_tools = True
# cross-compiling for yocto linux
if 'OE_CMAKE_TOOLCHAIN_FILE' in os.environ:
need_tools = False
# building for macOS
if ctx.macos_platform:
args += [
'-DCMAKE_OSX_DEPLOYMENT_TARGET=' + quote(ctx.macos_platform),
]
if ctx.macos_arch:
args += [
'-DCMAKE_OSX_ARCHITECTURES=' + quote(';'.join(ctx.macos_arch)),
]
# cross-compiling for Android
if ctx.android_platform:
args += [
'-DCMAKE_SYSTEM_NAME=Android',
'-DANDROID_PLATFORM=android-' + ctx.android_platform,
]
api = detect_android_api(compiler)
abi = detect_android_abi(ctx.toolchain)
toolchain_file = find_android_toolchain_file(compiler)
if toolchain_file:
need_sysroot = False
need_tools = False
args += [quote('-DCMAKE_TOOLCHAIN_FILE=' + toolchain_file)]
if api:
args += ['-DANDROID_NATIVE_API_LEVEL=' + api]
if abi:
args += ['-DANDROID_ABI=' + abi]
else:
sysroot = find_android_sysroot(compiler)
need_sysroot = bool(sysroot)
need_tools = True
if api:
args += ['-DCMAKE_SYSTEM_VERSION=' + api]
if abi:
args += ['-DCMAKE_ANDROID_ARCH_ABI=' + abi]
if need_sysroot:
args += [
'-DCMAKE_FIND_ROOT_PATH=' + quote(sysroot),
'-DCMAKE_SYSROOT=' + quote(sysroot),
]
if need_tools:
if not ctx.android_platform:
args += [
'-DCMAKE_C_COMPILER=' + quote(find_tool(compiler)),
]
args += [
'-DCMAKE_LINKER=' + quote(find_tool(_getvar('CCLD', 'gcc'))),
'-DCMAKE_AR=' + quote(find_tool(_getvar('AR', 'ar'))),
'-DCMAKE_RANLIB=' + quote(find_tool(_getvar('RANLIB', 'ranlib'))),
]
if ctx.env.get('COMPILER_LAUNCHER', None):
args += [
'-DCMAKE_CXX_COMPILER_LAUNCHER=' + quote(ctx.env['COMPILER_LAUNCHER']),
'-DCMAKE_C_COMPILER_LAUNCHER=' + quote(ctx.env['COMPILER_LAUNCHER']),
]
args += [
'-DCMAKE_POSITION_INDEPENDENT_CODE=ON',
]
cc_flags = [
'-fPIC', # -fPIC should be set explicitly in older cmake versions
]
if ctx.variant == 'debug':
cc_flags += [
'-ggdb', # -ggdb is required for sanitizer backtrace
]
args += [
'-DCMAKE_BUILD_TYPE=Debug',
'-DCMAKE_C_FLAGS_DEBUG:STRING=' + quote(' '.join(cc_flags)),
]
else:
args += [
'-DCMAKE_BUILD_TYPE=Release',
'-DCMAKE_C_FLAGS_RELEASE:STRING=' + quote(' '.join(cc_flags)),
]
execute(ctx, 'cmake ' + src_dir + ' ' + ' '.join(args))
def execute_cmake_build(ctx):
cmd = ['cmake', '--build', '.']
# assume we're using -G"Unix Makefiles"
cmd += ['--', 'VERBOSE=1']
cpu_count = detect_cpu_count()
if cpu_count:
cmd += ['-j' + str(cpu_count)]
execute(ctx, ' '.join(cmd))
def install_tree(ctx, src, dst, include=None, exclude=None):
# format arguments
src = src.format(ctx=ctx)
dst = dst.format(ctx=ctx)
msg('[install] {}', os.path.relpath(dst, ctx.root_dir))
def _match_patterns(src, names):
ignore_names = []
for n in names:
if os.path.isdir(os.path.join(src, n)):
continue
matched = False
for m in include:
if fnmatch.fnmatch(n, m):
matched = True
break
if not matched:
ignore_names.append(n)
return set(ignore_names)
if include:
ignore_fn = _match_patterns
elif exclude:
ignore_fn = shutil.ignore_patterns(*exclude)
else:
ignore_fn = None
mkpath(os.path.dirname(dst))
rmpath(dst)
shutil.copytree(src, dst, ignore=ignore_fn)
def install_files(ctx, src, dst):
# format arguments
src = src.format(ctx=ctx)
dst = dst.format(ctx=ctx)
msg('[install] {}', os.path.join(
os.path.relpath(dst, ctx.root_dir),
os.path.basename(src)))
for f in glob.glob(src):
mkpath(dst)
shutil.copy(f, dst)
def subst_tree(ctx, dir_path, file_patterns, from_, to):
def _match_path(path):
try:
with open(path) as fp:
for line in fp:
if from_ in line:
return True
except:
pass
# format arguments
dir_path = dir_path.format(ctx=ctx)
for filepat in file_patterns:
for root, dirnames, filenames in os.walk(dir_path):
for filename in fnmatch.filter(filenames, filepat):
filepath = os.path.join(root, filename)
if _match_path(filepath):
subst_files(ctx, filepath, from_, to)
def subst_files(ctx, file_path, from_, to):
# format arguments
file_path = file_path.format(ctx=ctx)
msg('[patch] {}', file_path)
for line in fileinput.input(file_path, inplace=True):
print(line.replace(from_, to), end='')
def apply_patch(ctx, dir_path, patch_url, patch_name):
# format arguments
dir_path = dir_path.format(ctx=ctx)
if subprocess.call(
'patch --version', stdout=DEV_NULL, stderr=DEV_NULL, shell=True) != 0:
return
download(ctx, patch_url, patch_name)
execute(ctx, 'patch -p1 -N -d {} -i {}'.format(
dir_path,
'../' + patch_name), ignore_error=True)
def format_vars(ctx, disable_launcher=False, env=None):
ret = []
if not env:
env = ctx.env
for k, v in env.items():
if v is None:
continue
if k == 'COMPILER_LAUNCHER':
continue
elif k in ['CC', 'CXX'] and not disable_launcher:
if ctx.env.get('COMPILER_LAUNCHER', None):
ret.append(quote('{}={} {}'.format(k, ctx.env['COMPILER_LAUNCHER'], v)))
else:
ret.append(quote('{}={}'.format(k, v)))
else:
ret.append(quote('{}={}'.format(k, v)))
return ' '.join(ret)
def format_flags(ctx, cflags='', ldflags='', pthread=False):
inc_dirs = []
lib_dirs = []
rpath_dirs = []
for dep in ctx.pkg_deps:
inc_dirs += [os.path.join(ctx.work_dir, dep, 'include')]
lib_dirs += [os.path.join(ctx.work_dir, dep, 'lib')]
rpath_dirs += [os.path.join(ctx.work_dir, dep, 'rpath')]
cflags = ([cflags] if cflags else []) + ['-I' + path for path in inc_dirs]
ldflags = ['-L' + path for path in lib_dirs] + ([ldflags] if ldflags else [])
is_gnu = detect_compiler_family(ctx.env, ctx.toolchain, 'gcc')
is_clang = detect_compiler_family(ctx.env, ctx.toolchain, 'clang')
if ctx.variant == 'debug':
if is_gnu or is_clang:
cflags += ['-ggdb']
else:
cflags += ['-g']
elif ctx.variant == 'release':
cflags += ['-O2']
if pthread and not ctx.android_platform:
if is_gnu or is_clang:
cflags += ['-pthread']
if is_gnu:
ldflags += ['-pthread']
else:
ldflags += ['-lpthread']
if is_gnu:
ldflags += ['-Wl,-rpath-link=' + path for path in rpath_dirs]
if ctx.macos_platform:
cflags += ['-mmacosx-version-min=' + ctx.macos_platform]
ldflags += ['-mmacosx-version-min=' + ctx.macos_platform]
for arch in ctx.macos_arch:
cflags += ['-arch', arch]
ldflags += ['-arch', arch]
return ' '.join([
'CXXFLAGS=' + quote(' '.join(cflags)),
'CFLAGS=' + quote(' '.join(cflags)),
'LDFLAGS=' + quote(' '.join(ldflags)),
])
# https://mesonbuild.com/Reference-tables.html
def generate_meson_crossfile(ctx, pc_dir, cross_file):
def _meson_string(s):
m = {
"\\": "\\\\",
"'": "\\'",
"\a": "\\a",
"\b": "\\b",
"\f": "\\f",
"\n": "\\n",
"\r": "\\r",
"\t": "\\t",
"\v": "\\v",
}
for k, v in m.items():
s = s.replace(k, v)
return "'" + s + "'"
def _meson_list(l):
return '[{}]'.format(', '.join(map(_meson_string, l)))
def _meson_compiler(compiler, launcher):
if launcher:
return _meson_list([launcher, compiler])
else:
return _meson_string(compiler)
msg('[generate] {}', cross_file)
pkg_config = None
if 'PKG_CONFIG' in ctx.env:
pkg_config = ctx.env['PKG_CONFIG']
elif which('pkg-config'):
pkg_config = 'pkg-config'
cflags = []
ldflags = []
for dep in ctx.pkg_deps:
cflags.append('-I' + os.path.join(ctx.work_dir, dep, 'include'))
ldflags.append('-L' + os.path.join(ctx.work_dir, dep, 'lib'))
if ctx.toolchain:
system = 'linux'
cpu_family = 'x86_64'
cpu = 'x86_64'
endian = 'little'
system_list = ('android cygwin darwin dragonfly emscripten freebsd haiku netbsd'+
' openbsd windows sunos').split()
cpu_list = ('aarch64 alpha arc arm avr c2000 csky dspic e2k ft32 ia64'+
' loongarch64 m68k microblaze mips mips64 msp430 parisc pic24'+
' ppc ppc64 riscv32 riscv64 rl78 rx s390 s390x sh4 sparc sparc64'+
' wasm32 wasm64 x86 x86_64').split()
for s in reversed(sorted(system_list, key=len)):
if s in ctx.toolchain:
system = s
break
for s in reversed(sorted(cpu_list, key=len)):
if s in ctx.toolchain:
cpu_family = s
if s == 'aarch64':
cpu = 'armv8'
elif s == 'arm':
cpu = 'armv5'
elif s == 'x86':
cpu = 'i686'
else:
cpu = s
if s+'le' in ctx.toolchain or s+'el' in ctx.toolchain:
endian = 'little'
elif s+'be' in ctx.toolchain or s+'eb' in ctx.toolchain:
endian = 'big'
elif s in 'wasm32 wasm64 x86 x86_64'.split():
endian = 'little'
else:
endian = 'big'
break
with open(cross_file, 'w') as fp:
fp.write(textwrap.dedent("""\
[binaries]
c = {cc}
cpp = {cxx}
ar = {ar}
""").format(
cc=_meson_compiler(ctx.env['CC'],
ctx.env.get('COMPILER_LAUNCHER', None)),
cxx=_meson_compiler(ctx.env['CXX'],
ctx.env.get('COMPILER_LAUNCHER', None)),
ar=_meson_string(ctx.env['AR'])))
if pkg_config:
fp.write(textwrap.dedent("""\
pkgconfig = {pkg_config}
""").format(
pkg_config=_meson_string(pkg_config)))
if pc_dir:
fp.write(textwrap.dedent("""\
[built-in options]
pkg_config_path = {pc_dir}
""").format(
pc_dir=_meson_string(os.path.abspath(pc_dir))))
if cflags or ldflags:
fp.write(textwrap.dedent("""\
[properties]
c_args = {cflags}
c_link_args = {ldflags}
cpp_args = {cflags}
cpp_link_args = {ldflags}
""").format(
cflags=_meson_list(cflags),
ldflags=_meson_list(ldflags)))
if ctx.toolchain:
fp.write(textwrap.dedent("""\
[host_machine]
system = {system}
cpu_family = {cpu_family}
cpu = {cpu}
endian = {endian}
""").format(
system=_meson_string(system),
cpu_family=_meson_string(cpu_family),
cpu=_meson_string(cpu),
endian=_meson_string(endian)))
# Generate temporary .pc files for pkg-config.
def generate_pc_files(ctx, pc_dir):
for dep in ctx.pkg_deps:
name, ver = parse_dep(dep)
pc_file = os.path.join(pc_dir, name) + '.pc'
with open(pc_file, 'w') as fp:
msg('[generate] {}', pc_file)
cflags = '-I' + os.path.join(ctx.work_dir, dep, 'include')
ldflags = '-L' + os.path.join(ctx.work_dir, dep, 'lib')
for lib in glob.glob(os.path.join(ctx.work_dir, dep, 'lib', 'lib*')):
lib = os.path.basename(lib)
lib = re.sub('^lib', '', lib)
lib = re.sub(r'\.[a-z]+$', '', lib)
ldflags += ' -l' + lib
fp.write(textwrap.dedent("""\
Name: {name}
Description: {name}
Version: {ver}
Cflags: {cflags}
Libs: {ldflags}
""").format(
name=name,
ver=ver,
cflags=cflags,
ldflags=ldflags))
def find_tool(tool):
if '/' in tool:
return tool
path = which(tool)
if not path:
return tool
return path
def find_sysroot(toolchain, compiler):
if not toolchain:
return ''
if not compiler:
compiler = '{}-gcc'.format(toolchain)
try:
sysroot = run_command([compiler, '-print-sysroot'])
if os.path.isdir(sysroot):
return sysroot
except:
pass
return None
def find_android_sysroot(compiler):
compiler_exe = which(compiler)
if compiler_exe:
return find_file_upwards(compiler_exe, 'sysroot')
def find_android_toolchain_file(compiler):
compiler_exe = which(compiler)
if compiler_exe:
return find_file_upwards(compiler_exe, 'build/cmake/android.toolchain.cmake')
def detect_android_abi(toolchain):
try:
arch = toolchain.split('-')[0]
except:
return
if arch == 'arm' or arch == 'armv7a':
return 'armeabi-v7a'
if arch == 'aarch64':
return 'arm64-v8a'
if arch == 'i686':
return 'x86'
if arch == 'x86_64':
return 'x86_64'
return arch
def detect_android_api(compiler):
try:
for line in run_command([compiler, '-dM', '-E', '-']).splitlines():
m = re.search(r'__ANDROID_API__\s+(\d+)', line)
if m:
return m.group(1)
except:
pass
def detect_compiler_family(env, toolchain, family):
if family == 'gcc':
keys = ['GNU', 'gnu', 'gcc', 'g++']
elif family == 'clang':
keys = ['clang']
def _check_tool(toolchain, tool):
if toolchain:
tool = '{}-{}'.format(toolchain, tool)
try:
out = run_command([tool, '-v'],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
for k in keys:
if k in out:
return True
except:
pass
return False
for var in ['CC', 'CCLD', 'CXX', 'CXXLD']:
if var in env:
if not _check_tool('', env[var]):
return False
if not 'gnu' in toolchain:
if 'CC' not in env:
for tool in ['cc', 'gcc', 'clang']:
if _check_tool(toolchain, tool):
break
else:
return False
if 'CCLD' not in env:
for tool in ['ld', 'gcc', 'clang']:
if _check_tool(toolchain, tool):
break
else:
return False
if 'CXX' not in env or 'CXXLD' not in env:
for tool in ['g++', 'clang++']:
if _check_tool(toolchain, tool):
break
else:
return False
return True
def detect_compiler_presence(compiler):
try:
subprocess.run([compiler, '-v'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True)
return True
except (subprocess.CalledProcessError, FileNotFoundError):
return False
def detect_native_cc_cxx_compilers():
compilers = {}
for compiler in ['gcc', 'clang', 'cc']:
if detect_compiler_presence(compiler):
compilers['CC'] = which(compiler)
compilers['CCLD'] = which(compiler)
break
for compiler in ['g++', 'clang++', 'c++']:
if detect_compiler_presence(compiler):
compilers['CXX'] = which(compiler)
compilers['CXXLD'] = which(compiler)
break
return compilers
# Guess platform argument for OpenSSL's Configure script basing on toolchain string.
# (see `./Configure LIST` for a list of all platforms and their format)
# See also openssl/Configurations/[0-9]*.conf
def detect_openssl_platform(toolchain):
"""
>>> detect_openssl_platform('x86_64-pc-linux-gnu')
'linux-x86_64'
>>> detect_openssl_platform('aarch64-linux-gnu')
'linux-aarch64'
>>> detect_openssl_platform('mips-openwrt-linux-uclibc')
'linux-mips32'
>>> detect_openssl_platform('arm-linux-gnueabihf')
'linux-generic32'
>>> detect_openssl_platform('arm-bcm2708hardfp-linux-gnueabi')
'linux-generic32'
>>> detect_openssl_platform('armv7a-linux-androideabi33')
'android-arm'
>>> detect_openssl_platform('mips64-linux-musl')
'linux64-mips64'
>>> detect_openssl_platform('arm-linux-androideabi')
'android-arm'
>>> detect_openssl_platform('aarch64-linux-android')
'android-arm64'
>>> detect_openssl_platform('aarch64-linux-android29')
'android-arm64'
>>> detect_openssl_platform('i686-linux-android')
'android-x86'
>>> detect_openssl_platform('x86_64-linux-android')
'android-x86_64'
>>> detect_openssl_platform('i686-pc-linux-gnu')
'linux-x86'
# other edge cases
>>> detect_openssl_platform('mingw-w64-x86_64')
'mingw64'
>>> detect_openssl_platform('x86_64-pc-cygwin')
'Cygwin-x86_64'
>>> detect_openssl_platform('')
'cc'
"""
# we assume that:
# - 'android' has a higher priority than 'linux'
# - if toolchain contains '64' and 'android' => we have android64 on 64-bit CPU
# - if toolchain contains '64' and 'linux' => we have linux64 on 64-bit CPU
# - openssl architectures 'aout', 'elf', 'latomic' are meaningless (they cannot be found in
# toolchain)
# - compiler suffixes '-cc', '-gcc', '-clang' are meaningless too
# - aix* OSes are never used :)
# - 'android64' are currently just aliases for 'android' architectures;
# 'android64-aarch64' is the same as 'android-arm64'
bitness = 64 if '64' in toolchain else 32
### generic detection
# XXX: this is a dirty parser based on very simple heuristics and verified on a
# limited set of platforms
# Set of platforms formatted as (OS, [arch1, ...]).
#
# `arch` is an architecture that openssl accepts for a given `os`. arch in a toolchain may
# be the same but called differently, e.g. 'x86' vs 'i686'. To handle such cases,
# `arch_aliases` are used (see below): if `arch` is not in toolchain, we try to search all
# aliases (one by one) before moving to the next arch.
#
# Some tunings:
# - 'android-armeabi' is an alias of 'android-arm' => removed 'armeabi'
# - 'linux-armv4' fails on android toolchain; we use 'linux-generic32' => removed 'armv4'
# - 'android64' is an alias for 'android' => removed 'android64'
# - 'generic64' and 'generic32' never occur in toolchains => removed them
platforms = [
# order is significant here as we search substrings in a whole toolchain string!
# [(os, [arch, ...]), ...]
('BSD', ['aarch64', 'ia64', 'riscv64',
'sparc64', 'sparcv8', 'x86_64', 'x86']),
('Cygwin', ['i386', 'i486', 'i586', 'i686', 'x86_64', 'x86']),
('android', ['arm64', 'arm', 'mips64', 'mips', 'x86_64', 'x86']),
('darwin64', ['arm64', 'ppc', 'x86_64']),
('darwin', ['i386', 'ppc']),
('linux64', ['loongarch64', 'mips64', 'riscv64', 's390x', 'sparcv9']),
('linux32', ['s390x']),
('linux', ['aarch64', 'arm64ilp32', 'ia64', 'mips64', 'mips32', 'ppc64le',
'ppc64', 'ppc', 'sparcv8', 'sparcv9', 'x86_64', 'x86', 'x32']),
('mingw64', []),
('mingw', []),
]
arch_aliases = {
'arm64': ['aarch64'],
'mips32': ['mips'],
'x86': ['i386', 'i486', 'i586', 'i686'],
}
#~print('0: ', toolchain)
for ossl_os, ossl_archs in platforms:
os = ossl_os.lower()
# when 64 bit, we explicitly prefer 'linux64' and similar (assuming libc and other
# libs to be 64 bit)
if os in toolchain or (bitness == 64 and os.endswith('64') and os[:-2] in toolchain):
for arch in ossl_archs:
#~print('1: ', os, arch)
if arch in toolchain:
return '-'.join([ossl_os, arch])
# or any of the aliases in toolchain
for alias in arch_aliases.get(arch, []):
if alias in toolchain:
return '-'.join([ossl_os, arch])
# ignore 'android64' without generality restriction
if ossl_os in ['mingw', 'mingw64', 'Cygwin']:
return ossl_os
# on 'linux' and 'BSD', unless arch was found, return '...-generic{32,64}'
if ossl_os in ['BSD', 'linux']:
return '-'.join([os, 'generic64' if bitness == 64 else 'generic32'])
return 'cc' # just a fallback
def detect_cpu_count():
try:
return len(os.sched_getaffinity(0))
except:
pass
try:
return multiprocessing.cpu_count()
except:
pass
return None
def parse_env(unparsed_vars):
env = dict()
for e in unparsed_vars:
k, v = e.split('=', 1)
env[k] = v
return env
def parse_dep(unparsed_dep):
m = re.match('^(.*?)-([0-9][a-z0-9.-]+)$', unparsed_dep)
if not m:
die("can't determine version of '{}'", unparsed_dep)
return m.group(1), m.group(2)
def parse_ver(unparsed_ver):
try:
return tuple(map(int, unparsed_ver.split('.')))
except:
die("can't parse version '{}'", unparsed_ver)
def run_command(cmd, stdin=DEV_NULL, stdout=subprocess.PIPE, stderr=DEV_NULL):
proc = subprocess.Popen(
cmd,
shell=not isinstance(cmd, list),
stdin=stdin, stdout=stdout, stderr=stderr)
out = proc.stdout.read()
try:
out = out.decode()
except:
pass
try:
out = str(out)
except:
pass
try:
out = out.strip()
except:
pass
return out
def find_file_upwards(path, search_file):
while True:
parent = os.path.dirname(path)
if parent == path:
break # root
path = parent
child_path = os.path.join(path, search_file)
if os.path.exists(child_path):
return child_path
def which(tool):
try:
path = shutil.which(tool)
if path:
return path
except:
pass
out = run_command(['which', tool])
if out:
return out
def mkpath(path):
try:
os.makedirs(path)
except:
pass
def rmpath(path):
try:
if os.path.isdir(path):
shutil.rmtree(path)
else:
os.remove(path)
except:
pass
def rm_emptydir(path):
try:
os.rmdir(path)
except:
pass
def touch(path):
open(path, 'w').close()
def msg(text, *args):
if args:
text = text.format(*args)
print(text)
def die(text, *args):
if args:
text = text.format(*args)
print('error: ' + text, file=sys.stderr)
exit(1)
#
# Parse command-line options.
#
if '--self-test' in sys.argv:
failures, total = doctest.testmod(report=True)
if failures == 0:
print('OK: {} tests passed'.format(total))
exit(0)
else:
exit(1)
parser = argparse.ArgumentParser(description='build third-party packages')
parser.add_argument('--self-test', action='store_true',
help='run doctests and exit')
parser.add_argument('--root-dir', dest='root_dir', type=str, required=True,
help='path to project root')