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import distutils.spawn
import os
import pipes
import shlex
if not 'go' in config.root.llvm_bindings:
config.unsupported = True
# Resolve certain symlinks in the first word of compiler.
#
# This is a Go-specific hack. cgo and other Go tools check $CC and $CXX for the
# substring 'clang' to determine if the compiler is Clang. This won't work if
# $CC is cc and cc is a symlink pointing to clang, as it is on Darwin.
def fixup_compiler_path(compiler):
args = shlex.split(compiler)
path = distutils.spawn.find_executable(args[0])
try:
if path.endswith('/cc') and os.readlink(path) == 'clang':
args[0] = path[:len(path)-2] + 'clang'
except OSError:
skip
try:
if path.endswith('/c++') and os.readlink(path) == 'clang++':
args[0] = path[:len(path)-3] + 'clang++'
except OSError:
skip
return ' '.join([pipes.quote(arg) for arg in args])
config.environment['CC'] = fixup_compiler_path(config.host_cc)
config.environment['CXX'] = fixup_compiler_path(config.host_cxx)
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