Linux M2Crypto 没有安装在 venv 中，或者 swig 没有定义 __x86_64__ 这会破坏针对 OpenSSL 的编译
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M2Crypto doesn't install in venv, or swig doesn't define __x86_64__ which breaks compiling against OpenSSL
提问by Lorin Hochstein
I'm trying to install the Python M2Crypto package into a virtualenv on an x86_64 RHEL 6.1 machine. This process invokes swig, which fails with the following error:
我正在尝试将 Python M2Crypto 包安装到 x86_64 RHEL 6.1 机器上的 virtualenv 中。此过程调用 swig，它失败并出现以下错误：
$ virtualenv -q --no-site-packages venv
$ pip install -E venv M2Crypto==0.20.2
Downloading/unpacking M2Crypto==0.20.2
Downloading M2Crypto-0.20.2.tar.gz (412Kb): 412Kb downloaded
Running setup.py egg_info for package M2Crypto
Installing collected packages: M2Crypto
Running setup.py install for M2Crypto
building 'M2Crypto.__m2crypto' extension
swigging SWIG/_m2crypto.i to SWIG/_m2crypto_wrap.c
swig -python -I/usr/include/python2.6 -I/usr/include -includeall -o SWIG/_m2crypto_wrap.c SWIG/_m2crypto.i
/usr/include/openssl/opensslconf.h:31: Error: CPP #error ""This openssl-devel package does not work your architecture?"". Use the -cpperraswarn option to continue swig processing.
error: command 'swig' failed with exit status 1
Complete output from command /home/lorin/venv/bin/python -c "import setuptools;__file__='/home/lorin/venv/build/M2Crypto/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --single-version-externally-managed --record /tmp/pip-BFiNtU-record/install-record.txt --install-headers /home/lorin/venv/include/site/python2.6:
I've got OpenSSL 1.0.0 installed via RPM packages from RedHat.
我已经通过 RedHat 的 RPM 包安装了 OpenSSL 1.0.0。
The part of /usr/include/openssl/opensslconf.h that causes the error looks like this:
导致错误的 /usr/include/openssl/opensslconf.h 部分如下所示：
#if defined(__i386__)
#include "opensslconf-i386.h"
#elif defined(__ia64__)
#include "opensslconf-ia64.h"
#elif defined(__powerpc64__)
#include "opensslconf-ppc64.h"
#elif defined(__powerpc__)
#include "opensslconf-ppc.h"
#elif defined(__s390x__)
#include "opensslconf-s390x.h"
#elif defined(__s390__)
#include "opensslconf-s390.h"
#elif defined(__sparc__) && defined(__arch64__)
#include "opensslconf-sparc64.h"
#elif defined(__sparc__)
#include "opensslconf-sparc.h"
#elif defined(__x86_64__)
#include "opensslconf-x86_64.h"
#else
#error "This openssl-devel package does not work your architecture?"
#endif
gcc has the right variable defined:
gcc 定义了正确的变量：
$ echo | gcc -E -dM - | grep x86_64
#define __x86_64 1
#define __x86_64__ 1
But apparenty swig doesn't, since this is the line that's failing:
但显然 swig 没有，因为这是失败的行：
swig -python -I/usr/include/python2.6 -I/usr/include -includeall -o \
SWIG/_m2crypto_wrap.c SWIG/_m2crypto.i
Is there a way to fix this by changing something in my system configuration? M2Crypto gets installed in a virtualenv as part of a larger script I don't control, so avoiding mucking around with the M2Crypto files would be a good thing.
有没有办法通过更改系统配置中的某些内容来解决此问题？M2Crypto 作为我无法控制的更大脚本的一部分安装在 virtualenv 中，因此避免与 M2Crypto 文件混在一起是一件好事。
采纳答案by Pamela McA'Nulty
M2Crypto supplies a fedora_setup.sh script to handle the problems with Fedora/RL/CentOs releases, but pip, of course, doesn't know anything about it.
M2Crypto 提供了一个 fedora_setup.sh 脚本来处理 Fedora/RL/CentOs 版本的问题，但是 pip 当然对此一无所知。
After the pip install fails, it leaves the downloaded stuff in the venv/build/M2Crypto directory. do this:
pip 安装失败后，它会将下载的内容留在 venv/build/M2Crypto 目录中。做这个：
cd <path-to-your-venv>/venv/build/M2Crypto
chmod u+x fedora_setup.sh
./fedora_setup.sh build
./fedora_setup.sh install
This has worked in my install process
这在我的安装过程中起作用
回答by nknj
If you are seeing this and are on Ubuntu, use apt-get instead of pip to avoid this issue.
apt-get install python-m2crypto
如果你看到这个并且在 Ubuntu 上，使用 apt-get 而不是 pip 来避免这个问题。
apt-get install python-m2crypto
回答by Matt
sudo yum install m2crypto
worked for me to get around this problem.
为我解决了这个问题。
回答by Martin Paljak
There's a repository where "pip install" works:
有一个“pip install”可以工作的存储库：
回答by LeoC
You just don't have swiginstalled.
你只是没有swig安装。
Try:
尝试：
sudo yum install swig
And then:
进而：
sudo easy_install M2crypto
回答by hahakubile
I found a new way to fix this problem in centos5.8, try it.
我在centos5.8中找到了解决这个问题的新方法，试试吧。
vim setup.py
vim setup.py
def finalize_options(self):
...
self.swig_opts.append('-includeall') # after this line
self.swig_opts.append('-I/usr/include/openssl') # add here
then python setup.py installwill work.
然后python setup.py install会工作。
回答by evendiagram
I had a similar issue where /usr/include/opensslwas missing opensslconf.h(source https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=733644#10)
我有一个类似的问题/usr/include/openssl丢失opensslconf.h（来源https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=733644#10）
sudo ln -s /usr/include/x86_64-linux-gnu/openssl/opensslconf.h /usr/include/openssl
回答by chocobn69
I did this and it works very well :
我这样做了，效果很好：
env SWIG_FEATURES="-cpperraswarn -includeall -I/usr/include/openssl" pip install M2Crypto
Of course you have to install swigg with sudo yum install swigbefore
当然，你必须安装swigg与sudo yum install swig前
回答by wanaryytel
On FreeBSD I had to install Swig (the obvious part) as well (by sudo pkg install swig), but Swig 2.0 executable was named swig2.0and handle swigresulted in command not found. Solution: symlink Swig 2.0 to handle swig:
在FreeBSD我必须安装痛饮（明显的部分），以及（通过sudo pkg install swig），但痛饮2.0可执行文件被命名为swig2.0和手柄swig导致command not found。解决方案：符号链接 Swig 2.0 来处理swig：
ln -s /usr/local/bin/swig2.0 /usr/local/bin/swig
