我一直在为计算投资课程移植一些东西，而且我得到了所有其他的 macport，但是
>"sudo port install py27-pandas @0.7.3"
给我带来了很多麻烦。这是我得到的回报：
>John--MacBook-Pro:~ John$ sudo port install py27-pandas @0.7.3
Password:
---> Computing dependencies for py27-pandas
---> Dependencies to be installed: py27-scipy gcc45 swig-python bison gsed swig py27-tables hdf5-18 lzo2 py27-cython cython_select py27-numexpr py27-scientific netcdf
---> Building gcc45
Error: org.macports.build for port gcc45 returned: command execution failed
Error: Failed to install gcc45
Please see the log file for port gcc45 for details:
/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_gcc45/gcc45/main.log
Error: The following dependencies were not installed: py27-scipy gcc45 swig-python bison gsed swig py27-tables hdf5-18 lzo2 py27-cython cython_select py27-numexpr py27-scientific netcdf
To report a bug, follow the instructions in the guide:
http://guide.macports.org/#project.tickets
Error: Processing of port py27-pandas failed
我确实有 Xcode，用于 Xcode 的 CLT，但我必须缺少其他东西。感谢大家的帮助！