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build-cross.py
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build-cross.py
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#!/usr/bin/env python3
# Author: Volodymyr Shymanskyy
import argparse
import subprocess
import multiprocessing
from pathlib import Path
import time
import os
import contextlib
musl_targets = [
{ "name": "linux-x86_64" , "arch": "x86_64-linux-musl" },
{ "name": "linux-i686" , "arch": "i686-linux-musl" , "skip_tests" : True},
#{ "name": "win-i686" , "arch": "i686-w64-mingw32" },
#{ "name": "win-x64" , "arch": "x86_64-w64-mingw32" },
{ "name": "linux-aarch64" , "arch": "aarch64-linux-musl" , "runner": "qemu-aarch64-static" },
{ "name": "linux-armv6" , "arch": "armv6-linux-musleabihf" , "runner": "qemu-arm-static" },
{ "name": "linux-armv7l" , "arch": "armv7l-linux-musleabihf" , "runner": "qemu-arm-static" },
{ "name": "linux-mipsel-sf" , "arch": "mipsel-linux-muslsf" , "runner": "qemu-mipsel-static" },
{ "name": "linux-mipsel" , "arch": "mipsel-linux-musl" , "runner": "qemu-mipsel-static" },
{ "name": "linux-mips-sf" , "arch": "mips-linux-muslsf" , "runner": "qemu-mips-static" },
{ "name": "linux-mips" , "arch": "mips-linux-musl" , "runner": "qemu-mips-static" },
{ "name": "linux-mips64el" , "arch": "mips64el-linux-musl" , "runner": "qemu-mips64el-static" },
{ "name": "linux-mips64" , "arch": "mips64-linux-musl" , "runner": "qemu-mips64-static" },
{ "name": "linux-rv32" , "arch": "riscv32-linux-musl" , "runner": "qemu-riscv32-static" },
{ "name": "linux-rv64" , "arch": "riscv64-linux-musl" , "runner": "qemu-riscv64-static" },
{ "name": "linux-ppc" , "arch": "powerpc-linux-musl" , "runner": "qemu-ppc-static" },
{ "name": "linux-ppc64" , "arch": "powerpc64-linux-musl" , "runner": "qemu-ppc64-static" },
{ "name": "linux-s390x" , "arch": "s390x-linux-musl" , "runner": "qemu-s390x-static" },
#{ "name": "linux-m68k" , "arch": "m68k-linux-musl" , "runner": "qemu-m68k-static" },
#{ "name": "linux-microblaze", "arch": "microblaze-linux-musl" , "runner": "qemu-microblaze-static" },
{ "name": "linux-armv7l-vfpv3" , "arch": "armv7l-linux-musleabihf" , "runner": "qemu-arm-static" , "cflags": "-march=armv7-a -mfpu=vfpv3 -mthumb -Wa,-mimplicit-it=thumb" },
{ "name": "linux-mipsel-24kc-sf" , "arch": "mipsel-linux-muslsf" , "runner": "qemu-mipsel-static" , "cflags": "-march=24kc" },
{ "name": "wasi-sdk-8" , "arch": "wasi-sdk-8.0" , "sdk": 8 , "runner": "wasmer" },
{ "name": "wasi-sdk-11" , "arch": "wasi-sdk-11.0" , "sdk": 11 , "runner": "wasmer" },
#{ "name": "wasi-sdk-16" , "arch": "wasi-sdk-16.0" , "sdk": 16 , "runner": "wasmer" },
]
VERBOSE = False
RETEST = False
REBUILD = False
def run(cmd):
subprocess.run(cmd, shell=True, check=True, capture_output=not VERBOSE)
def build_target(target):
if target['name'].startswith("wasi"):
build_wasi(target)
else:
build_musl(target)
def build_wasi(target):
WASI_VERSION = str(target['sdk'])
WASI_VERSION_FULL = WASI_VERSION + ".0"
WASI_SDK_PATH = f"{os.getcwd()}/.toolchains/{target['arch']}"
if not Path(f"{WASI_SDK_PATH}/bin").exists():
print(f"Downloading {target['name']} toolchain")
WASI_TAR = f"wasi-sdk-{WASI_VERSION_FULL}-linux.tar.gz"
run(f"""
mkdir -p .toolchains
cd .toolchains
wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-{WASI_VERSION}/{WASI_TAR}
tar xzf {WASI_TAR}
rm {WASI_TAR}
""")
wasm3_binary = f"build-cross/wasm3-{target['name']}.wasm"
if REBUILD or not Path(wasm3_binary).exists():
build_dir = f"build-cross/{target['name']}/"
print(f"Building {target['name']} target")
run(f"""
mkdir -p {build_dir}
cd {build_dir}
cmake -GNinja -DCMAKE_TOOLCHAIN_FILE="{WASI_SDK_PATH}/share/cmake/wasi-sdk.cmake" -DWASI_SDK_PREFIX="{WASI_SDK_PATH}" ../..
cmake --build .
cp wasm3.wasm ../wasm3-{target['name']}.wasm
""")
run_tests(wasm3_binary, target, f"{target['runner']} run --mapdir=/:. ../{wasm3_binary} --".strip())
def build_musl(target):
muslcc = f".toolchains/{target['arch']}-cross/bin/{target['arch']}-gcc"
if not Path(muslcc).exists():
print(f"Downloading {target['name']} toolchain")
tar_name = f"{target['arch']}-cross.tgz"
run(f"""
mkdir -p .toolchains
cd .toolchains
curl -O -C - https://musl.cc/{tar_name}
tar xzf {tar_name}
rm {tar_name}
""")
if not 'cflags' in target:
target['cflags'] = ""
if not 'runner' in target:
target['runner'] = ""
wasm3_binary = f"build-cross/wasm3-{target['name']}"
if REBUILD or not Path(wasm3_binary).exists():
build_dir = f"build-cross/{target['name']}/"
print(f"Building {target['name']} target")
run(f"""
mkdir -p {build_dir}
cd {build_dir}
export CC="../../{muslcc}"
export CFLAGS="{target['cflags']}"
export LDFLAGS="-static -s"
cmake -GNinja -DBUILD_NATIVE=OFF ../..
cmake --build .
cp wasm3 ../wasm3-{target['name']}
""")
run_tests(wasm3_binary, target, f"{target['runner']} ../{wasm3_binary}".strip())
def run_tests(wasm3_binary, target, wasm3_cmd):
if "skip_tests" in target:
return
test_spec_ok = Path(f"build-cross/{target['name']}/.test-spec-ok")
if RETEST or not test_spec_ok.exists():
with contextlib.suppress(FileNotFoundError):
test_spec_ok.unlink()
try:
run(f"""
cd test
python3 run-spec-test.py --exec "{wasm3_cmd} --repl"
""")
print(f"Testing {target['name']} target (spec): OK")
test_spec_ok.touch()
except Exception as e:
print(f"Testing {target['name']} target (spec): failed")
print(e)
pass
test_wasi_ok = Path(f"build-cross/{target['name']}/.test-wasi-ok")
if RETEST or not test_wasi_ok.exists():
with contextlib.suppress(FileNotFoundError):
test_wasi_ok.unlink()
try:
run(f"""
cd test
python3 run-wasi-test.py --fast --exec "{wasm3_cmd}"
""")
print(f"Testing {target['name']} target (WASI): OK")
test_wasi_ok.touch()
except Exception as e:
print(f"Testing {target['name']} target (WASI): failed")
print(e)
pass
if __name__ == '__main__':
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('-j','--jobs', type=int, metavar='N', default=multiprocessing.cpu_count(), help='parallel builds')
parser.add_argument('-v','--verbose', action='store_true', help='verbose output')
parser.add_argument('--retest', action='store_true', help='force tests')
parser.add_argument('--rebuild', action='store_true', help='force builds')
parser.add_argument('--target', metavar='NAME')
args = parser.parse_args()
if args.target:
musl_targets = filter(lambda t: args.target in t['name'] or args.target in t['arch'], musl_targets)
VERBOSE = args.verbose
RETEST = args.retest
REBUILD = args.rebuild
if args.jobs <= 1:
for t in musl_targets:
build_target(t)
else:
p = multiprocessing.Pool(args.jobs)
p.map(build_target, musl_targets)