我正在尝试使用CentOS安装lxml软件包，sudo pip install lxml并在最后抛出此错误：

错误：

error: command 'gcc' failed with exit status 1

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Command /usr/bin/python -c "import setuptools;__file__='/tmp/pip-build-root/lxml/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-PjviBq-record/install-record.txt --single-version-externally-managed failed with error code 1 in /tmp/pip-build-root/lxml
Storing complete log in /root/.pip/pip.log

[hg@user-centos-1 ~]$ error: command 'gcc' failed with exit status 1
bash: error:: command not found