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improve error handling

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This commit is contained in:
Ilan Schnell 2013-02-16 01:34:51 -06:00
commit ffa713e332
1 changed files with 6 additions and 5 deletions
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11
setup.py
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@ -24,17 +24,18 @@ llvm_config = os.environ.get('LLVM_CONFIG_PATH', default_llvm_config)
def run_llvm_config(extra_args): def run_llvm_config(extra_args):
args = llvm_config.split() args = llvm_config.split()
args.extend(extra_args) args.extend(extra_args)
p = Popen(args, stdout=PIPE, stderr=PIPE) try:
p = Popen(args, stdout=PIPE, stderr=PIPE)
except OSError:
sys.exit("Error: could invoke %r\n"
"Try setting LLVM_CONFIG_PATH=/path/to/llvm-config" % args)
stdout, stderr = p.communicate() stdout, stderr = p.communicate()
if stderr: if stderr:
raise Exception("%r:\n%s" % (args, stderr.decode())) raise Exception("%r stderr is:\n%s" % (args, stderr.decode()))
return stdout.decode().strip() return stdout.decode().strip()
llvm_version = run_llvm_config(['--version']) llvm_version = run_llvm_config(['--version'])
print('LLVM version = %r' % llvm_version) print('LLVM version = %r' % llvm_version)
if not llvm_version:
sys.exit("Error: could invoke llvm-config --version\n"
"Try setting LLVM_CONFIG_PATH=/path/to/llvm-config")
def get_libs_and_objs(components): def get_libs_and_objs(components):
parts = run_llvm_config(['--libs'] + components).split() parts = run_llvm_config(['--libs'] + components).split()