MAC OSX使用Python安装模块问题

系统环境:MAC OSX 10.9.2

Python版本:2.7.5

新入手的RMBP,自带了Python环境,但是将其投入到生产环境时,出现了种种问题,首先最最致命的,就是安装模块出现问题,导致一直无法正常开发,下面是本人在安装Python模块的时候,所出现并解决的,总结如下,希望对后来者有帮助(拿MySQL-python举例,安装PIL也遇到了同样的问题):

(1)不管在使用easy_install安装模块,还是下载安装包,使用sudo python setup.py build安装,都会出现:

******

error: command ‘cc‘ failed with exit status 1

clang: error: unknown argument: ‘-mno-fused-madd‘ [-Wunused-command-line-argument-hard-error-in-future]

clang: note: this will be a hard error (cannot be downgraded to a warning) in the future

error: command ‘cc‘ failed with exit status 1

经过一系列的查找:http://www.tuicool.com/articles/zI7Vzu,貌似是MAC OS的Xcode从5.1起给编译器规定对于未知参数传入视为error,我们需要使用ARCHFLAGS将该error降级为warning,因此最后的安装命令应该如下:

sudo ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future easy_install MySQL-python

这样,问题就解决了,成功安装上了MySQL-python

(2)虽然安装上了MySQL-python,在代码开发过程中,运行代码,问题又出现了:

  ******

  import MySQLdb

  File "build/bdist.macosx-10.9-intel/egg/MySQLdb/__init__.py", line 19, in <module>
  File "build/bdist.macosx-10.9-intel/egg/_mysql.py", line 7, in <module>
  File "build/bdist.macosx-10.9-intel/egg/_mysql.py", line 6, in __bootstrap__
ImportError: dlopen(/Users/kris/.python-eggs/MySQL_python-1.2.5-py2.7-macosx-10.9-intel.egg-tmp/_mysql.so, 2): Library not loaded: libmysqlclient.18.dylib
  Referenced from: /Users/kris/.python-eggs/MySQL_python-1.2.5-py2.7-macosx-10.9-intel.egg-tmp/_mysql.so
  Reason: image not found

经过查找,我添加两个符号链接(软链接):

sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib

sudo ln -s /usr/local/mysql/lib /usr/local/mysql/lib/mysql

再次运行程序,问题就解决了。


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MAC OSX使用Python安装模块问题

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