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PIP install unable to find ffi.h even though it recognizes libffi

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遥遥无期
遥遥无期 2020-12-15 02:37

I have installed libffi on my Linux server as well as correctly set the PKG_CONFIG_PATH environment variable to the correct directory, as pip

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  • 再見小時候
    2020-12-15 02:43

    On Debian, 

    apt-get install libffi-dev
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  • 我寻月下人不归
    2020-12-15 02:46

    To add to mhawke's answer, usually the Debian/Ubuntu based systems are "-dev" rather than "-devel" for RPM based systems

    So, for Ubuntu it will be apt-get install libffi libffi-dev

    RHEL, CentOS, Fedora (up to v22) yum install libffi libffi-devel

    Fedora 23+ dnf install libffi libffi-devel

    OSX/MacOS (assuming homebrew is installed) brew install libffi

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  • 执念已碎
    2020-12-15 02:54

    Ubuntu/Mint 

    sudo apt-get install libffi6 libffi-dev
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  • 臣服心动
    2020-12-15 03:00

    You can use CFLAGS (and LDFLAGS or various other compiler and linker options) in front of the pip command (ditto for setup.py):

    Something similar to the following should work:

    CFLAGS=-I/usr/include/libffi/include pip install pyOpenSSL
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  • 攒了一身酷
    2020-12-15 03:01

    You need to install the development package for libffi.

    On RPM based systems (Fedora, Redhat, CentOS etc) the package is named libffi-devel.

    Not sure about Debian/Ubuntu systems, I'm sure someone else will pipe up with that.

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  • 独厮守ぢ
    2020-12-15 03:04

    on CentOS:

    yum install libffi-devel
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