xcode – 在Mac OS X Lion上缺少llvm-gcc：无法安装mysql-python

我决定使用Python 2.7.

但是当我尝试安装MysqLdb模块来运行django时,它失败了：

$sudo pip install MysqL-python
Downloading/unpacking MysqL-python
  […]
  Running setup.py install for MysqL-python
    building '_MysqL' extension
    llvm-gcc-4.2 -fno-Strict-aliasing -fno-common -dynamic -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 -pipe -Dversion_info=(1,2,3,'final',0) -D__version__=1.2.3 -I/usr/local/MysqL/include -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c _MysqL.c -o build/temp.macosx-10.7-intel-2.7/_MysqL.o -Os -g -fno-common -fno-Strict-aliasing -arch x86_64
    unable to execute llvm-gcc-4.2: No such file or directory
    error: command 'llvm-gcc-4.2' Failed with exit status 1
    Complete output from command /usr/bin/python -c "import setuptools;__file__='~/Sites/gugsm/build/MysqL-python/setup.py';exec(compile(open(__file__).read().replace('\r\n','\n'),__file__,'exec'))" install --single-version-externally-managed --record /tmp/pip-AwMuqj-record/install-record.txt:
    running install

running build

[…]

building '_MysqL' extension

creaTing build/temp.macosx-10.7-intel-2.7

llvm-gcc-4.2 -fno-Strict-aliasing -fno-common -dynamic -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 -pipe -Dversion_info=(1,0) -D__version__=1.2.3 -I/usr/local/MysqL/include -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c _MysqL.c -o build/temp.macosx-10.7-intel-2.7/_MysqL.o -Os -g -fno-common -fno-Strict-aliasing -arch x86_64

unable to execute llvm-gcc-4.2: No such file or directory

error: command 'llvm-gcc-4.2' Failed with exit status 1

----------------------------------------

原因是我不再拥有llvm-gcc和gcc二进制文件.

我试图将XCode从3@L_571_20@mething升级到4.3.2,但它没有帮助.它是一个简单的应用程序,它不会使用llvm-gcc填充/usr/bin.

我究竟做错了什么？