decbench-cpp-qualification / qualification-v2 /recipes /scripts /build_qualification_macos.py
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Make the unchanged 45-image qualification pilot available on main
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#!/usr/bin/env python3
"""Build the pinned macOS pilot cells; preserve commands, .ii, dSYM and inputs."""
import argparse, hashlib, json, shutil, subprocess, tarfile, time
from pathlib import Path
def sha(p):
h = hashlib.sha256()
with p.open("rb") as f:
for block in iter(lambda: f.read(1024 * 1024), b""):
h.update(block)
return h.hexdigest()
def run(cmd, cwd, log):
log.write(json.dumps({"command": cmd, "cwd": str(cwd)}) + "\n")
log.flush()
subprocess.run(cmd, cwd=cwd, stdout=log, stderr=log, check=True)
def main():
ap = argparse.ArgumentParser()
ap.add_argument("--root", type=Path, required=True)
ap.add_argument("--plan", type=Path, required=True)
a = ap.parse_args()
root = a.root.resolve()
plan = json.loads(a.plan.read_text())
base = root / "staged/qualification-v2"
for c in plan["cells"]:
if c["platform"] != "macos":
continue
src = root / "sources" / c["project"]
assert (
subprocess.check_output(
["git", "-C", str(src), "rev-parse", "HEAD"], text=True
).strip()
== c["source_revision"]
)
owned = base / "sources" / c["project"]
owned.mkdir(parents=True, exist_ok=True)
subprocess.run(
[
"git",
"-C",
str(src),
"archive",
"--format=tar.gz",
"--output",
str(owned / "original.tar.gz"),
"HEAD",
],
check=True,
)
for mode, opt in [
("O0", "-O0"),
("O2", "-O2"),
("O2-noinline", "-O2 -fno-inline"),
]:
build = root / "builds/macos" / c["project"] / mode
out = base / "macos/arm64" / mode / c["project"]
out.mkdir(parents=True, exist_ok=True)
build.mkdir(parents=True, exist_ok=True)
status = {
"project": c["project"],
"platform": "macos",
"optimization": mode,
"source_revision": c["source_revision"],
"state": "building",
"scoring_ready": False,
}
started = time.monotonic()
try:
flags = opt + " -g -fno-builtin -save-temps=obj"
configure = [
"cmake",
"-S",
str(src),
"-B",
str(build),
"-G",
"Unix Makefiles",
"--fresh",
"-DCMAKE_BUILD_TYPE=Qualification",
"-DCMAKE_C_FLAGS=" + flags,
"-DCMAKE_CXX_FLAGS=" + flags,
"-DCMAKE_C_FLAGS_QUALIFICATION=-DNDEBUG",
"-DCMAKE_CXX_FLAGS_QUALIFICATION=-DNDEBUG",
"-DCMAKE_OSX_ARCHITECTURES=arm64",
"-DCMAKE_EXPORT_COMPILE_COMMANDS=ON",
"-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=OFF",
"-DBUILD_TESTING=OFF",
]
if c["project"] == "snappy":
configure += [
"-DBUILD_SHARED_LIBS=ON",
"-DSNAPPY_BUILD_TESTS=OFF",
"-DSNAPPY_BUILD_BENCHMARKS=OFF",
]
target = "snappy"
image = build / "libsnappy.dylib"
elif c["project"] == "ninja":
target = "ninja"
image = build / "ninja"
else:
configure += [
"-DBUILD_SHARED_LIBS=OFF",
"-DENABLE_GTEST=OFF",
"-DENABLE_BENCHMARK=OFF",
"-DBUILD_PYTHON=OFF",
"-DBUILD_OPENCC_JIEBA_PLUGIN=OFF",
]
target = "opencc"
image = build / "src/tools/opencc"
with (out / "build.log").open("w") as log:
run(configure, src, log)
run(
[
"cmake",
"--build",
str(build),
"--target",
target,
"--parallel",
"3",
],
src,
log,
)
if not image.exists():
options = [
p
for p in build.rglob("opencc")
if p.is_file() and not p.is_symlink()
]
assert len(options) == 1, options
image = options[0]
binary = out / image.name
shutil.copy2(image, binary)
run(
[
"xcrun",
"dsymutil",
str(image),
"-o",
str(out / (image.name + ".dSYM")),
],
src,
log,
)
run(
[
"xcrun",
"dwarfdump",
"--verify",
str(out / (image.name + ".dSYM")),
],
src,
log,
)
with (out / "debug-uuid.txt").open("w") as uuid:
subprocess.run(
[
"xcrun",
"dwarfdump",
"--uuid",
str(binary),
str(out / (image.name + ".dSYM")),
],
stdout=uuid,
check=True,
)
stripped = out / (image.name + ".stripped")
shutil.copy2(binary, stripped)
run(["llvm-strip", "--strip-all", str(stripped)], src, log)
for path, label in [(binary, "original"), (stripped, "stripped")]:
with (out / (label + "-sections.txt")).open("w") as dest:
subprocess.run(
[
"llvm-readobj",
"--file-headers",
"--sections",
str(path),
],
stdout=dest,
check=True,
)
shutil.copy2(
build / "compile_commands.json", out / "compile_commands.json"
)
preprocessed = out / "preprocessed.tar.gz"
iis = [
p
for p in build.rglob("*.ii")
if "CompilerId" not in str(p) and "CMakeScratch" not in str(p)
]
assert iis, "No preprocessed TUs"
with tarfile.open(preprocessed, "w:gz") as tar:
for p in sorted(iis):
tar.add(p, arcname=str(p.relative_to(build)))
status.update(
state="artifact-built-debug-verified",
binary=str(binary.relative_to(base)),
binary_sha256=sha(binary),
stripped=str(stripped.relative_to(base)),
stripped_sha256=sha(stripped),
preprocessed_tus=len(iis),
compiler=subprocess.check_output(
["xcrun", "clang++", "--version"], text=True
).splitlines()[0],
effective_flags=flags + " -DNDEBUG",
remaining_gates=[
"source-owned function identity extraction",
"source/ABI type ground truth adapter",
"code-section parity and no-debug input verification",
],
)
except Exception as e:
status.update(state="failed", error=str(e))
status["elapsed_seconds"] = time.monotonic() - started
(out / "status.json").write_text(json.dumps(status, indent=2))
print(json.dumps(status), flush=True)
if __name__ == "__main__":
main()