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  • “error: command 'x86_64-linux-gnu-gcc' failed with exit status 1” in virtualenv

     

    Most of the time these are dependency-issues.

    Following the stack-trace of the gcc compiler one can see the missing files. Sometimes installing the Python development packages is not enough.

    For example: I tried to do pip install requests[security] in my virtualenv foo. This is the result that the pip-installer gave me.

    Failed building wheel for cryptography
    Running setup.py bdist_wheel for cffi
    Stored in directory: /root/.cache/pip/wheels/99/e7/9a/68b1c8ca6f6f92b5feebd4d9434f50712b84f6a66d1285ea21
    Successfully built cffi
    Failed to build cryptography
    Installing collected packages: cffi, cryptography, pyOpenSSL, ndg-httpsclient, requests
    Running setup.py install for cryptography
    Complete output from command /opt/foo/django-cms-virtualenv/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip-build-eZaLAG/cryptography/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('
    ', '
    '), __file__, 'exec'))" install --record /tmp/pip-BwgYTp-record/install-record.txt --single-version-externally-managed --compile --install-headers /opt/foo/django-cms-virtualenv/include/site/python2.7/cryptography:
    running install
    running build
    running build_py
    running egg_info
    writing requirements to src/cryptography.egg-info/requires.txt
    writing src/cryptography.egg-info/PKG-INFO
    writing top-level names to src/cryptography.egg-info/top_level.txt
    writing dependency_links to src/cryptography.egg-info/dependency_links.txt
    writing entry points to src/cryptography.egg-info/entry_points.txt
    warning: manifest_maker: standard file '-c' not found
    
    reading manifest file 'src/cryptography.egg-info/SOURCES.txt'
    reading manifest template 'MANIFEST.in'
    no previously-included directories found matching 'docs/_build'
    warning: no previously-included files matching '*' found under directory 'vectors'
    writing manifest file 'src/cryptography.egg-info/SOURCES.txt'
    running build_ext
    building '_Cryptography_cffi_a269d620xd5c405b7' extension
    x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.7 -c src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_a269d620xd5c405b7.c -o build/temp.linux-x86_64-2.7/src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_a269d620xd5c405b7.o
    src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_a269d620xd5c405b7.c:217:25: fatal error: openssl/aes.h: Datei oder Verzeichnis nicht gefunden
     #include <openssl/aes.h>
                             ^
    compilation terminated.
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

    The important part is the: #include <openssl/aes.h>

    The compiler makes pretty clear that it is demanding this file - but it is not there in the filesystem.

    Knowing that, the only thing left to do is: install the needed libraries!

    1. Find out which package is needed for your distribution: e.g. for Ubuntu you can go to The Ubuntu Package Search Site and enter the missing file you are looking for. In this case "aes.h"
    2. Install the needed packages using your distributions package management tool: e.g. for Ubuntu:

      aptitude install libssl-dev

    3. Retry with pip in your virtualenv:

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  • 原文地址:https://www.cnblogs.com/chjbbs/p/6282617.html
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