在升级 Mavericks 之前，我安装了许多 Python 模块，但当我发现它们已被删除时，我感到非常失望。我安装了 Mavericks，还安装了命令行工具。
然后我继续尝试下载和编译 MySQL-python，因为我的开发需要它。它在安装过程中引发编译器警告，然后就冻结了。
以下是编译器警告：
Downloading/unpacking MySQL-python
Downloading MySQL-python-1.2.4.zip (113kB): 113kB downloaded
Running setup.py egg_info for package MySQL-python
Downloading http://pypi.python.org/packages/source/d/distribute/distribute-0.6.28.tar.gz
Extracting in /tmp/tmpYaLRd4
Now working in /tmp/tmpYaLRd4/distribute-0.6.28
Building a Distribute egg in /private/tmp/pip_build_root/MySQL-python
/private/tmp/pip_build_root/MySQL-python/distribute-0.6.28-py2.7.egg
Installing collected packages: MySQL-python
Running setup.py install for MySQL-python
building '_mysql' extension
cc -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch x86_64 -arch i386 -pipe -Dversion_info=(1,2,4,'final',1) -D__version__=1.2.4 -I/usr/local/Cellar/mysql/5.6.10/include -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c _mysql.c -o build/temp.macosx-10.9-intel-2.7/_mysql.o -Os -g -fno-strict-aliasing
clang: warning: argument unused during compilation: '-mno-fused-madd'
In file included from _mysql.c:44:
/usr/local/Cellar/mysql/5.6.10/include/my_config.h:348:11: warning: 'SIZEOF_SIZE_T' macro redefined
#define SIZEOF_SIZE_T SIZEOF_LONG
^
/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/pymacconfig.h:43:17: note: previous definition is here
# define SIZEOF_SIZE_T 8
^
In file included from _mysql.c:44:
/usr/local/Cellar/mysql/5.6.10/include/my_config.h:442:9: warning: 'HAVE_WCSCOLL' macro redefined
#define HAVE_WCSCOLL
^
/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/pyconfig.h:906:9: note: previous definition is here
#define HAVE_WCSCOLL 1
^
_mysql.c:287:14: warning: implicit conversion loses integer precision: 'Py_ssize_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
cmd_argc = PySequence_Size(cmd_args);
~ ^~~~~~~~~~~~~~~~~~~~~~~~~
_mysql.c:317:12: warning: implicit conversion loses integer precision: 'Py_ssize_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
groupc = PySequence_Size(groups);
~ ^~~~~~~~~~~~~~~~~~~~~~~
_mysql.c:470:14: warning: implicit conversion loses integer precision: 'Py_ssize_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
int j, n2=PySequence_Size(fun);
~~ ^~~~~~~~~~~~~~~~~~~~
_mysql.c:1105:9: warning: implicit conversion loses integer precision: 'unsigned long' to 'int' [-Wshorten-64-to-32]
len = mysql_real_escape_string(&(self->connection), out, in, size);
~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_mysql.c:1107:9: warning: implicit conversion loses integer precision: 'unsigned long' to 'int' [-Wshorten-64-to-32]
len = mysql_escape_string(out, in, size);
~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_mysql.c:1146:9: warning: implicit conversion loses integer precision: 'Py_ssize_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
size = PyString_GET_SIZE(s);
~ ^~~~~~~~~~~~~~~~~~~~
/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/stringobject.h:92:32: note: expanded from macro 'PyString_GET_SIZE'
#define PyString_GET_SIZE(op) Py_SIZE(op)
^~~~~~~~~~~
/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/object.h:116:56: note: expanded from macro 'Py_SIZE'
#define Py_SIZE(ob) (((PyVarObject*)(ob))->ob_size)
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
_mysql.c:1156:9: warning: implicit conversion loses integer precision: 'unsigned long' to 'int' [-Wshorten-64-to-32]
len = mysql_real_escape_string(&(self->connection), out+1, in, size);
~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_mysql.c:1158:9: warning: implicit conversion loses integer precision: 'unsigned long' to 'int' [-Wshorten-64-to-32]
len = mysql_escape_string(out+1, in, size);
~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_mysql.c:1252:11: warning: implicit conversion loses integer precision: 'Py_ssize_t' (aka 'long') to 'int' [-Wshorten-64-to-32]
if ((n = PyObject_Length(o)) == -1) goto error;
~ ^~~~~~~~~~~~~~~~~~
/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/abstract.h:434:25: note: expanded from macro 'PyObject_Length'
#define PyObject_Length PyObject_Size
^
_mysql.c:1444:10: warning: implicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
len = strlen(buf);
~ ^~~~~~~~~~~
_mysql.c:1446:10: warning: implicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
len = strlen(buf);
~ ^~~~~~~~~~~
_mysql.c:1482:11: warning: implicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
len = strlen(buf);
~ ^~~~~~~~~~~
_mysql.c:1484:11: warning: implicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
len = strlen(buf);
~ ^~~~~~~~~~~
_mysql.c:1567:10: warning: comparison of unsigned expression < 0 is always false [-Wtautological-compare]
if (how < 0 || how >= sizeof(row_converters)) {
~~~ ^ ~
16 warnings generated.
In file included from _mysql.c:44:
/usr/local/Cellar/mysql/5.6.10/include/my_config.h:348:11: warning: 'SIZEOF_SIZE_T' macro redefined
#define SIZEOF_SIZE_T SIZEOF_LONG
^
/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/pymacconfig.h:56:17: note: previous definition is here
# define SIZEOF_SIZE_T 4
^
In file included from _mysql.c:44:
/usr/local/Cellar/mysql/5.6.10/include/my_config.h:442:9: warning: 'HAVE_WCSCOLL' macro redefined
#define HAVE_WCSCOLL
^
/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/pyconfig.h:906:9: note: previous definition is here
#define HAVE_WCSCOLL 1
^
In file included from _mysql.c:44:
/usr/local/Cellar/mysql/5.6.10/include/my_config.h:659:9: warning: 'SIZEOF_TIME_T' macro redefined
#define SIZEOF_TIME_T 8
^
/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/pymacconfig.h:57:17: note: previous definition is here
# define SIZEOF_TIME_T 4
^
_mysql.c:1567:10: warning: comparison of unsigned expression < 0 is always false [-Wtautological-compare]
if (how < 0 || how >= sizeof(row_converters)) {
~~~ ^ ~
4 warnings generated.
似乎它抱怨很多已经定义的变量。但我不知道如何解决这些问题，因为我真的不知道发生了什么。而且我认为尝试编辑源代码不会给我任何好的答案。
我尝试使用 pip 和 easy_install 来安装扩展。两者都会产生警告和冻结。请帮助我 :)