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64 lines
1.9 KiB
64 lines
1.9 KiB
4 months ago
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import os
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import pipes
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import shlex
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import sys
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if not 'go' in config.root.llvm_bindings:
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config.unsupported = True
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if not config.root.include_go_tests:
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config.unsupported = True
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if config.have_tf_aot or config.have_tf_api:
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config.unsupported = True
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def find_executable(executable, path=None):
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if path is None:
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path = os.environ['PATH']
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paths = path.split(os.pathsep)
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base, ext = os.path.splitext(executable)
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if (sys.platform == 'win32' or os.name == 'os2') and (ext != '.exe'):
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executable = executable + '.exe'
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if not os.path.isfile(executable):
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for p in paths:
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f = os.path.join(p, executable)
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if os.path.isfile(f):
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return f
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return None
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else:
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return executable
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# Resolve certain symlinks in the first word of compiler.
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#
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# This is a Go-specific hack. cgo and other Go tools check $CC and $CXX for the
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# substring 'clang' to determine if the compiler is Clang. This won't work if
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# $CC is cc and cc is a symlink pointing to clang, as it is on Darwin.
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#
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# Go tools also have problems with ccache, so we disable it.
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def fixup_compiler_path(compiler):
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args = shlex.split(compiler)
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if args[0].endswith('ccache') or args[0].endswith('gomacc'):
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args = args[1:]
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path = find_executable(args[0])
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try:
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if path.endswith('/cc') and os.readlink(path) == 'clang':
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args[0] = path[:len(path)-2] + 'clang'
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except (AttributeError, OSError):
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pass
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try:
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if path.endswith('/c++') and os.readlink(path) == 'clang++':
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args[0] = path[:len(path)-3] + 'clang++'
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except (AttributeError, OSError):
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pass
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return ' '.join([pipes.quote(arg) for arg in args])
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config.environment['CC'] = fixup_compiler_path(config.host_cc)
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config.environment['CXX'] = fixup_compiler_path(config.host_cxx)
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config.environment['CGO_LDFLAGS'] = config.host_ldflags
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