bluseliu50
4e61886d7d
The checks guarded a local development disk floor and do not belong in the shared scripts. The scratch image capacity check in prepare-air-nir-diagnostic.py is kept because it validates a mounted image, not the host disk.
74 lines
4.7 KiB
Python
74 lines
4.7 KiB
Python
#!/usr/bin/env python3
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"""Cross-build the pinned LLVM AIR-reader dependencies for ordinary ARM64/iOS17."""
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import hashlib
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import json
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import os
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from pathlib import Path
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import shutil
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import subprocess
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import time
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ROOT=Path(__file__).resolve().parents[1]
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SOURCE=ROOT/'.cache/llvm-ios-source'
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OUT=ROOT/'build/llvm-ios'
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REV='0d261d1ca552c95a8f007e061c787ac7132fbcbc'
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VERSION='23.1.3'
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OUT.mkdir(parents=True,exist_ok=True)
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def read(cmd):return subprocess.check_output([str(v) for v in cmd],text=True,timeout=30).strip()
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def sha(path):return hashlib.sha256(path.read_bytes()).hexdigest()
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def run(cmd,log,timeout):
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with (OUT/log).open('w') as f:
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process=subprocess.Popen([str(v) for v in cmd],stdout=f,stderr=subprocess.STDOUT)
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start=time.monotonic()
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while process.poll() is None:
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if time.monotonic()-start>timeout:
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process.terminate()
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try:process.wait(timeout=10)
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except subprocess.TimeoutExpired:process.kill();process.wait()
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raise SystemExit('Native dependency build stopped at disk/time bound; see '+log)
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time.sleep(1)
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if process.returncode:raise SystemExit('Native dependency build failed; see '+log)
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if not (SOURCE/'.git').exists():
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run(['git','clone','--filter=blob:none','--depth','1','--single-branch','--branch','llvmorg-23.1.3',
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'--sparse','https://github.com/llvm/llvm-project.git',SOURCE],'fetch.log',120)
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if read(['git','-C',SOURCE,'rev-parse','HEAD'])!=REV:raise SystemExit('Pinned LLVM release differs')
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if read(['git','-C',SOURCE,'status','--porcelain']):raise SystemExit('LLVM source must match recorded patches')
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# LLVM23 uses only libc's common-utility headers; this does not build or
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# replace the target system libc. Omit LLVM tests/docs/examples entirely.
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patterns='/llvm/*\n!/llvm/test/\n!/llvm/unittests/\n!/llvm/benchmarks/\n!/llvm/examples/\n!/llvm/docs/\n/cmake/\n/third-party/\n/libc/\n'
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current=(SOURCE/'.git/info/sparse-checkout').read_text() if (SOURCE/'.git/info/sparse-checkout').exists() else ''
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if current!=patterns:
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subprocess.run(['git','-C',SOURCE,'sparse-checkout','set','--no-cone','--stdin'],input=patterns,text=True,check=True,timeout=120)
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config=shutil.which('llvm-config')
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if not config and shutil.which('brew'):config=str(Path(read(['brew','--prefix','llvm']))/'bin/llvm-config')
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if not config or read([config,'--version'])!=VERSION:raise SystemExit('Matching native host TableGen/config required')
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tblgen=Path(read([config,'--bindir']))/'llvm-tblgen'
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if not tblgen.is_file():raise SystemExit('Missing qualified host TableGen')
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sdk=read(['xcrun','--sdk','iphoneos','--show-sdk-path'])
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clang=read(['xcrun','--sdk','iphoneos','--find','clang']);clangxx=read(['xcrun','--sdk','iphoneos','--find','clang++'])
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args=['cmake','-G','Ninja','-S',SOURCE/'llvm','-B',OUT,
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'-DCMAKE_SYSTEM_NAME=iOS','-DCMAKE_BUILD_TYPE=Release','-DCMAKE_OSX_ARCHITECTURES=arm64',
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'-DCMAKE_OSX_DEPLOYMENT_TARGET=17.0','-DCMAKE_OSX_SYSROOT='+sdk,
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'-DCMAKE_C_COMPILER='+clang,'-DCMAKE_CXX_COMPILER='+clangxx,
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'-DCMAKE_C_COMPILER_TARGET=arm64-apple-ios17.0','-DCMAKE_CXX_COMPILER_TARGET=arm64-apple-ios17.0',
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'-DCMAKE_C_FLAGS=-fstack-protector-strong','-DCMAKE_CXX_FLAGS=-fstack-protector-strong',
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'-DLLVM_DEFAULT_TARGET_TRIPLE=arm64-apple-ios17.0','-DLLVM_TARGETS_TO_BUILD=',
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'-DLLVM_TABLEGEN='+str(tblgen),'-DLLVM_ENABLE_ASSERTIONS=ON',
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'-DBUILD_SHARED_LIBS=OFF','-DLLVM_BUILD_LLVM_DYLIB=OFF','-DLLVM_LINK_LLVM_DYLIB=OFF',
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'-DLLVM_ENABLE_PROJECTS=','-DLLVM_ENABLE_RUNTIMES=']
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for name in ['LLVM_INCLUDE_TESTS','LLVM_BUILD_TESTS','LLVM_INCLUDE_TOOLS','LLVM_BUILD_TOOLS',
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'LLVM_BUILD_UTILS','LLVM_INCLUDE_UTILS','LLVM_INCLUDE_EXAMPLES','LLVM_INCLUDE_BENCHMARKS','LLVM_INCLUDE_DOCS',
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'LLVM_ENABLE_ZLIB','LLVM_ENABLE_ZSTD','LLVM_ENABLE_LIBXML2','LLVM_ENABLE_TERMINFO','LLVM_ENABLE_LIBEDIT','LLVM_ENABLE_LIBPFM']:
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args+=['-D'+name+'=OFF']
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run(args,'configure.log',120)
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run(['cmake','--build',OUT,'--parallel','4','--target','LLVMBitReader','LLVMBitWriter','LLVMTargetParser'],'build.log',600)
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archives=sorted((OUT/'lib').glob('libLLVM*.a'))
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if not archives:raise SystemExit('No target archives produced')
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report=dict(llvm_revision=REV,llvm_tree=read(['git','-C',SOURCE,'rev-parse','HEAD^{tree}']),llvm_version=VERSION,
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host_tblgen_sha256=sha(tblgen),sdk_version=read(['xcrun','--sdk','iphoneos','--show-sdk-version']),
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target='arm64-apple-ios17.0',native_compiler_runtime_executed=False,
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archives={p.name:dict(bytes=p.stat().st_size,sha256=sha(p)) for p in archives})
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(OUT/'build-report.json').write_text(json.dumps(report,indent=2)+'\n')
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print('PASS: LLVM23 AIR-reader/IR dependencies built for ordinary ARM64/iOS17; target runtime not executed')
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