Bootstrap: fallback detection of Windows
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1 changed files with 6 additions and 0 deletions
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@ -184,6 +184,7 @@ def default_build_triple():
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ostype = require(["uname", "-s"], exit=required)
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cputype = require(['uname', '-m'], exit=required)
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# If we do not have `uname`, assume Windows.
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if ostype is None or cputype is None:
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return 'x86_64-pc-windows-msvc'
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@ -236,6 +237,11 @@ def default_build_triple():
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if ostype.endswith('WOW64'):
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cputype = 'x86_64'
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ostype = 'pc-windows-gnu'
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elif sys.platform == 'win32':
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# Some Windows platforms might have a `uname` command that returns a
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# non-standard string (e.g. gnuwin32 tools returns `windows32`). In
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# these cases, fall back to using sys.platform.
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return 'x86_64-pc-windows-msvc'
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else:
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err = "unknown OS type: {}".format(ostype)
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sys.exit(err)
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