Stacks.js: c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory

[OpenGrid]

I get this during installation:

c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory
#include
^
compilation terminated.
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

Command "/usr/bin/python3 -u -c "import setuptools, tokenize;file='/tmp/pip-build-la78ay0e/cffi/setup.py';exec(compile(getattr(tokenize, 'open', open)(file).read().replace('rn', 'n'), file, 'exec'))" install --record /tmp/pip-p2njwk80-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-la78ay0e/cffi/

[jcnelson]

Hi @OpenGrid, apologies for the long turn-around time.

You will need to install the libffi headers package (i.e. libffi-dev).

[jcnelson]

Going through and cleaning up issues after the 0.14.0 release. If this is still a problem for you, please re-open.

[st0079434]

You are the BOSS...My Everything worked after applying your resolution
Guy's Here he means #apt-get install libffi-dev