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b71edfaa4e
This is the first commit in a series that will reformat all the python files in the LLVM repository. Reformatting is done with `black`. See more information here: https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style Reviewed By: jhenderson, JDevlieghere, MatzeB Differential Revision: https://reviews.llvm.org/D150545
112 lines
4.0 KiB
Python
Executable File
112 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Helps manage sysroots."""
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import argparse
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import os
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import subprocess
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import sys
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def make_fake_sysroot(out_dir):
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def cmdout(cmd):
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return subprocess.check_output(cmd).decode(sys.stdout.encoding).strip()
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if sys.platform == "win32":
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def mkjunction(dst, src):
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subprocess.check_call(["mklink", "/j", dst, src], shell=True)
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os.mkdir(out_dir)
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p = os.getenv("ProgramFiles(x86)", "C:\\Program Files (x86)")
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winsdk = os.getenv("WindowsSdkDir")
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if not winsdk:
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winsdk = os.path.join(p, "Windows Kits", "10")
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print("%WindowsSdkDir% not set. You might want to run this from")
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print("a Visual Studio cmd prompt. Defaulting to", winsdk)
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os.mkdir(os.path.join(out_dir, "Windows Kits"))
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mkjunction(os.path.join(out_dir, "Windows Kits", "10"), winsdk)
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vswhere = os.path.join(p, "Microsoft Visual Studio", "Installer", "vswhere")
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vcid = "Microsoft.VisualStudio.Component.VC.Tools.x86.x64"
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vsinstalldir = cmdout(
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[
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vswhere,
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"-latest",
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"-products",
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"*",
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"-requires",
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vcid,
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"-property",
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"installationPath",
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]
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)
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mkjunction(os.path.join(out_dir, "VC"), os.path.join(vsinstalldir, "VC"))
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# Not all MSVC versions ship the DIA SDK, so the junction destination
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# might not exist. That's fine.
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mkjunction(
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os.path.join(out_dir, "DIA SDK"), os.path.join(vsinstalldir, "DIA SDK")
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)
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elif sys.platform == "darwin":
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# The SDKs used by default in compiler-rt/cmake/base-config-ix.cmake.
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# COMPILER_RT_ENABLE_IOS defaults to on.
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# COMPILER_RT_ENABLE_WATCHOS and COMPILER_RT_ENABLE_TV default to off.
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# compiler-rt/cmake/config-ix.cmake sets DARWIN_EMBEDDED_PLATFORMS
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# depending on these.
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sdks = ["macosx", "iphoneos", "iphonesimulator"]
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os.mkdir(out_dir)
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for sdk in sdks:
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sdkpath = cmdout(["xcrun", "-sdk", sdk, "-show-sdk-path"])
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# sdkpath is something like /.../SDKs/MacOSX11.1.sdk, which is a
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# symlink to MacOSX.sdk in the same directory. Resolve the symlink,
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# to make the symlink in out_dir less likely to break when the SDK
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# is updated (which will bump the number on xcrun's output, but not
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# on the symlink destination).
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sdkpath = os.path.realpath(sdkpath)
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os.symlink(sdkpath, os.path.join(out_dir, os.path.basename(sdkpath)))
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else:
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os.symlink("/", out_dir)
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print("Done. Pass these flags to cmake:")
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abs_out_dir = os.path.abspath(out_dir)
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if sys.platform == "win32":
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# CMake doesn't like backslashes in commandline args.
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abs_out_dir = abs_out_dir.replace(os.path.sep, "/")
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print(" -DLLVM_WINSYSROOT=" + abs_out_dir)
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elif sys.platform == "darwin":
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flags = [
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"-DCMAKE_OSX_SYSROOT=" + os.path.join(abs_out_dir, "MacOSX.sdk"),
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# For find_darwin_sdk_dir() in
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# compiler-rt/cmake/Modules/CompilerRTDarwinUtils.cmake
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"-DDARWIN_macosx_CACHED_SYSROOT=" + os.path.join(abs_out_dir, "MacOSX.sdk"),
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"-DDARWIN_iphoneos_CACHED_SYSROOT="
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+ os.path.join(abs_out_dir, "iPhoneOS.sdk"),
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"-DDARWIN_iphonesimulator_CACHED_SYSROOT="
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+ os.path.join(abs_out_dir, "iPhoneSimulator.sdk"),
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]
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print(" " + " ".join(flags))
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else:
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print(" -DCMAKE_SYSROOT=" + abs_out_dir + " to cmake.")
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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subparsers = parser.add_subparsers(dest="command", required=True)
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makefake = subparsers.add_parser(
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"make-fake", help="Create a sysroot that symlinks to local directories."
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)
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makefake.add_argument("--out-dir", required=True)
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args = parser.parse_args()
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assert args.command == "make-fake"
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make_fake_sysroot(args.out_dir)
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if __name__ == "__main__":
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main()
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