使用 gcc 编译 Python C 扩展时"...can't figure out the architecture type of..."问题



我刚刚从Snow Leopard升级到Lion,并且我必须更新的旧python c-扩展不希望正确编译。我真不知道该怎么做。有谁能帮我,让它编译好吗?它在雪豹里编译得很好。

Home:folder Me$ python setup.py build
running build
running build_ext
building 'ccookies' extension
gcc -fno-strict-aliasing -fno-common -dynamic -arch ppc -arch i386 -g -O2 -DNDEBUG -g -O3 -I/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/core/include -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c ccookies.c -o build/temp.macosx-10.3-fat-2.7/ccookies.o
llvm-gcc-4.2: error trying to exec '/Developer/usr/bin//../llvm-gcc-4.2/bin/powerpc-apple-darwin11-llvm-gcc-4.2': execvp: No such file or directory
In file included from /usr/include/architecture/i386/math.h:630,
                 from /usr/include/math.h:28,
                 from /Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/pyport.h:312,
                 from /Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:58,
                 from ccookies.c:5:
/usr/include/AvailabilityMacros.h:109:14: warning: #warning Building for Intel with Mac OS X Deployment Target < 10.4 is invalid.
lipo: can't figure out the architecture type of: /var/folders/_t/yg4wppss5fv6dkmh89_6ykm40000gn/T//cc3Cgr3v.out
error: command 'gcc' failed with exit status 255

您似乎正在使用32位Python 2.7,可能是从python.org安装的。由于Xcode 4的变化(放弃了对10.4u SDK和gcc-4.0的支持),在10.7 Lion上用Python构建C扩展模块是不切实际的。要么使用苹果提供的Python 2.7 (/usr/bin/python2.7),要么为2.7.2安装python.org 64位/32位安装程序,而不是只有32位的安装程序。

我试图在我的Mac OS X 10.7上安装pynauty,我遇到了这个问题。由于某种原因,尼德-戴利的回答对我没有帮助。我只是想提供一种方法来解决这个问题,以防有人来到这个页面,是在相同的情况下,我是。我解决这个问题的方法是:

在运行"python setup.py build"之前,运行:export ARCHFLAGS="-arch x86_64"

在travis上,我得到了这个错误。我一直在使用osx_image: osx10.11因为永远,但它突然停止工作,这个错误,在过去的几周。更改为osx_image: xcode7.3修复了我的错误

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