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comparison llvm/utils/sysroot.py @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents
children c4bab56944e8
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173:0572611fdcc8 207:2e18cbf3894f
1 #!/usr/bin/env python3
2
3 """Helps manage sysroots."""
4
5 import argparse
6 import os
7 import subprocess
8 import sys
9
10
11 def make_fake_sysroot(out_dir):
12 def cmdout(cmd):
13 return subprocess.check_output(cmd).decode(sys.stdout.encoding).strip()
14
15 if sys.platform == 'win32':
16 p = os.getenv('ProgramFiles(x86)', 'C:\\Program Files (x86)')
17
18 winsdk = os.getenv('WindowsSdkDir')
19 if not winsdk:
20 winsdk = os.path.join(p, 'Windows Kits', '10')
21 print('%WindowsSdkDir% not set. You might want to run this from')
22 print('a Visual Studio cmd prompt. Defaulting to', winsdk)
23
24 vswhere = os.path.join(
25 p, 'Microsoft Visual Studio', 'Installer', 'vswhere')
26 vcid = 'Microsoft.VisualStudio.Component.VC.Tools.x86.x64'
27 vsinstalldir = cmdout(
28 [vswhere, '-latest', '-products', '*', '-requires', vcid,
29 '-property', 'installationPath'])
30
31 def mkjunction(dst, src):
32 subprocess.check_call(['mklink', '/j', dst, src], shell=True)
33 os.mkdir(out_dir)
34 mkjunction(os.path.join(out_dir, 'VC'),
35 os.path.join(vsinstalldir, 'VC'))
36 os.mkdir(os.path.join(out_dir, 'Windows Kits'))
37 mkjunction(os.path.join(out_dir, 'Windows Kits', '10'), winsdk)
38 elif sys.platform == 'darwin':
39 # The SDKs used by default in compiler-rt/cmake/base-config-ix.cmake.
40 # COMPILER_RT_ENABLE_IOS defaults to on.
41 # COMPILER_RT_ENABLE_WATCHOS and COMPILER_RT_ENABLE_TV default to off.
42 # compiler-rt/cmake/config-ix.cmake sets DARWIN_EMBEDDED_PLATFORMS
43 # depending on these.
44 sdks = ['macosx', 'iphoneos', 'iphonesimulator']
45 os.mkdir(out_dir)
46 for sdk in sdks:
47 sdkpath = cmdout(['xcrun', '-sdk', sdk, '-show-sdk-path'])
48 # sdkpath is something like /.../SDKs/MacOSX11.1.sdk, which is a
49 # symlink to MacOSX.sdk in the same directory. Resolve the symlink,
50 # to make the symlink in out_dir less likely to break when the SDK
51 # is updated (which will bump the number on xcrun's output, but not
52 # on the symlink destination).
53 sdkpath = os.path.realpath(sdkpath)
54 os.symlink(sdkpath, os.path.join(out_dir, os.path.basename(sdkpath)))
55 else:
56 os.symlink('/', out_dir)
57
58 print('Done. Pass these flags to cmake:')
59 abs_out_dir = os.path.abspath(out_dir)
60 if sys.platform == 'win32':
61 # CMake doesn't like backslashes in commandline args.
62 abs_out_dir = abs_out_dir.replace(os.path.sep, '/')
63 print(' -DLLVM_WINSYSROOT=' + abs_out_dir)
64 elif sys.platform == 'darwin':
65 flags = [
66 '-DCMAKE_OSX_SYSROOT=' + os.path.join(abs_out_dir, 'MacOSX.sdk'),
67
68 # For find_darwin_sdk_dir() in
69 # compiler-rt/cmake/Modules/CompilerRTDarwinUtils.cmake
70 '-DDARWIN_macosx_CACHED_SYSROOT=' +
71 os.path.join(abs_out_dir, 'MacOSX.sdk'),
72 '-DDARWIN_iphoneos_CACHED_SYSROOT=' +
73 os.path.join(abs_out_dir, 'iPhoneOS.sdk'),
74 '-DDARWIN_iphonesimulator_CACHED_SYSROOT=' +
75 os.path.join(abs_out_dir, 'iPhoneSimulator.sdk'),
76 ]
77 print(' ' + ' '.join(flags))
78 else:
79 print(' -DCMAKE_SYSROOT=' + abs_out_dir + ' to cmake.')
80
81
82 def main():
83 parser = argparse.ArgumentParser(description=__doc__)
84
85 subparsers = parser.add_subparsers(dest='command', required=True)
86
87 makefake = subparsers.add_parser('make-fake',
88 help='Create a sysroot that symlinks to local directories.')
89 makefake.add_argument('--out-dir', required=True)
90
91 args = parser.parse_args()
92
93 assert args.command == 'make-fake'
94 make_fake_sysroot(args.out_dir)
95
96
97 if __name__ == '__main__':
98 main()