django - How to install cffi package on AWS Beanstalk -

this question looks same this post, since there no answer, re-asking here.

i have django project deployed on aws beanstalk, using package cffi. when run eb deploy, error logs looks like:

  ......   installing collected packages: cffi, characteristic, idna, pyasn1, enum34, ipaddress, cryptography, cssselect, django, django-bower, django-celery, sqlparse, django-debug-toolbar, django-devserver, django-extensions, django-filter, django-model-utils, futures, django-pipeline, djangorestframework, html5lib, ipython, ipdb, librabbitmq, lxml, markdown, openxmllib, pillow, psycopg2, py, pyasn1-modules, pydocx, pyopenssl, pytest, python-docx, python-magic, queuelib, w3lib, zope.interface, twisted, scrapy, service-identity, south, uwsgi, werkzeug running setup.py install cffi   complete output command /opt/python/run/venv/bin/python2.7 -c "import setuptools, tokenize;__file__='/tmp/pip-build-wwakyn/cffi/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-pnak7u-record/install-record.txt --single-version-externally-managed --compile --install-headers /opt/python/run/venv/include/site/python2.7/cffi:   package libffi not found in pkg-config search path.   perhaps should add directory containing `libffi.pc'   pkg_config_path environment variable   no package 'libffi' found   package libffi not found in pkg-config search path.   perhaps should add directory containing `libffi.pc'   pkg_config_path environment variable   no package 'libffi' found   package libffi not found in pkg-config search path.   perhaps should add directory containing `libffi.pc'   pkg_config_path environment variable   no package 'libffi' found   package libffi not found in pkg-config search path.   perhaps should add directory containing `libffi.pc'   pkg_config_path environment variable   no package 'libffi' found   package libffi not found in pkg-config search path.   perhaps should add directory containing `libffi.pc'   pkg_config_path environment variable   no package 'libffi' found   running install   running build   running build_py   creating build   creating build/lib.linux-x86_64-2.7   creating build/lib.linux-x86_64-2.7/cffi   copying cffi/model.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/__init__.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/ffiplatform.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/cffi_opcode.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/vengine_cpy.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/cparser.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/api.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/setuptools_ext.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/commontypes.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/backend_ctypes.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/verifier.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/lock.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/recompiler.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/vengine_gen.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/gc_weakref.py -> build/lib.linux-x86_64-2.7/cffi   copying cffi/_cffi_include.h -> build/lib.linux-x86_64-2.7/cffi   copying cffi/parse_c_type.h -> build/lib.linux-x86_64-2.7/cffi   running build_ext   building '_cffi_backend' extension   creating build/temp.linux-x86_64-2.7   creating build/temp.linux-x86_64-2.7/c   gcc -pthread -fno-strict-aliasing -o2 -g -pipe -wall -wp,-d_fortify_source=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -d_gnu_source -fpic -fwrapv -dndebug -o2 -g -pipe -wall -wp,-d_fortify_source=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -d_gnu_source -fpic -fwrapv -fpic -duse__thread -i/usr/include/ffi -i/usr/include/libffi -i/usr/include/python2.7 -c c/_cffi_backend.c -o build/temp.linux-x86_64-2.7/c/_cffi_backend.o   c/_cffi_backend.c:13:17: error: ffi.h: no such file or directory   in file included c/_cffi_backend.c:61:   c/malloc_closure.h:81: error: expected specifier-qualifier-list before ‘ffi_closure’   c/malloc_closure.h: in function ‘more_core’:   c/malloc_closure.h:117: warning: division 0   c/malloc_closure.h:149: error: ‘union mmaped_block’ has no member named ‘next’   c/malloc_closure.h: @ top level:   c/malloc_closure.h:158: error: expected ‘)’ before ‘*’ token   c/malloc_closure.h:166: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token   c/_cffi_backend.c:238: error: expected specifier-qualifier-list before ‘ffi_cif’   c/_cffi_backend.c: in function ‘cdataowninggc_dealloc’:   c/_cffi_backend.c:1573: error: ‘ffi_closure’ undeclared (first use in function)   c/_cffi_backend.c:1573: error: (each undeclared identifier reported once   c/_cffi_backend.c:1573: error: each function appears in.)   c/_cffi_backend.c:1573: error: ‘closure’ undeclared (first use in function)   c/_cffi_backend.c:1573: error: expected expression before ‘)’ token   c/_cffi_backend.c:1576: warning: implicit declaration of function ‘cffi_closure_free’   c/_cffi_backend.c: in function ‘cdataowninggc_traverse’:   c/_cffi_backend.c:1593: error: ‘ffi_closure’ undeclared (first use in function)   c/_cffi_backend.c:1593: error: ‘closure’ undeclared (first use in function)   c/_cffi_backend.c:1593: error: expected expression before ‘)’ token   c/_cffi_backend.c: in function ‘cdataowninggc_clear’:   c/_cffi_backend.c:1613: error: ‘ffi_closure’ undeclared (first use in function)   c/_cffi_backend.c:1613: error: ‘closure’ undeclared (first use in function)   c/_cffi_backend.c:1613: error: expected expression before ‘)’ token   c/_cffi_backend.c: in function ‘cdataowninggc_repr’:   c/_cffi_backend.c:1742: error: ‘ffi_closure’ undeclared (first use in function)   c/_cffi_backend.c:1742: error: expected expression before ‘)’ token   c/_cffi_backend.c: @ top level:   c/_cffi_backend.c:2308: error: expected declaration specifiers or ‘...’ before ‘ffi_abi’   c/_cffi_backend.c: in function ‘cdata_call’:   c/_cffi_backend.c:2437: error: ‘ffi_abi’ undeclared (first use in function)   c/_cffi_backend.c:2437: error: expected ‘;’ before ‘fabi’   c/_cffi_backend.c:2479: error: ‘fabi’ undeclared (first use in function)   c/_cffi_backend.c:2483: error: many arguments function ‘fb_prepare_cif’   c/_cffi_backend.c:2488: error: ‘cif_description_t’ has no member named ‘exchange_size’   c/_cffi_backend.c:2498: error: ‘cif_description_t’ has no member named ‘exchange_offset_arg’   c/_cffi_backend.c:2528: error: ‘cif_description_t’ has no member named ‘exchange_offset_arg’   c/_cffi_backend.c:2533: warning: implicit declaration of function ‘ffi_call’   c/_cffi_backend.c:2533: error: ‘cif_description_t’ has no member named ‘cif’   c/_cffi_backend.c: in function ‘new_primitive_type’:   c/_cffi_backend.c:3524: error: ‘ffi_type’ undeclared (first use in function)   c/_cffi_backend.c:3524: error: ‘ffitype’ undeclared (first use in function)   c/_cffi_backend.c:3542: error: ‘ffi_type_sint8’ undeclared (first use in function)   c/_cffi_backend.c:3543: error: ‘ffi_type_sint16’ undeclared (first use in function)   c/_cffi_backend.c:3544: error: ‘ffi_type_sint32’ undeclared (first use in function)   c/_cffi_backend.c:3545: error: ‘ffi_type_sint64’ undeclared (first use in function)   c/_cffi_backend.c:3551: error: ‘ffi_type_float’ undeclared (first use in function)   c/_cffi_backend.c:3553: error: ‘ffi_type_double’ undeclared (first use in function)   c/_cffi_backend.c:3555: error: ‘ffi_type_longdouble’ undeclared (first use in function)   c/_cffi_backend.c:3561: error: ‘ffi_type_uint8’ undeclared (first use in function)   c/_cffi_backend.c:3562: error: ‘ffi_type_uint16’ undeclared (first use in function)   c/_cffi_backend.c:3563: error: ‘ffi_type_uint32’ undeclared (first use in function)   c/_cffi_backend.c:3564: error: ‘ffi_type_uint64’ undeclared (first use in function)   c/_cffi_backend.c: @ top level:   c/_cffi_backend.c:4200: error: expected specifier-qualifier-list before ‘ffi_type’   c/_cffi_backend.c:4219: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token   c/_cffi_backend.c: in function ‘fb_build’:   c/_cffi_backend.c:4359: error: ‘struct funcbuilder_s’ has no member named ‘atypes’   c/_cffi_backend.c:4359: error: ‘ffi_type’ undeclared (first use in function)   c/_cffi_backend.c:4359: error: expected expression before ‘)’ token   c/_cffi_backend.c:4360: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c:4363: error: ‘struct funcbuilder_s’ has no member named ‘rtype’   c/_cffi_backend.c:4363: warning: implicit declaration of function ‘fb_fill_type’   c/_cffi_backend.c:4371: error: ‘cif_description_t’ has no member named ‘exchange_offset_arg’   c/_cffi_backend.c:4374: error: ‘struct funcbuilder_s’ has no member named ‘rtype’   c/_cffi_backend.c:4375: error: ‘ffi_arg’ undeclared (first use in function)   c/_cffi_backend.c:4385: error: ‘atype’ undeclared (first use in function)   c/_cffi_backend.c:4398: error: ‘struct funcbuilder_s’ has no member named ‘atypes’   c/_cffi_backend.c:4399: error: ‘struct funcbuilder_s’ has no member named ‘atypes’   c/_cffi_backend.c:4402: error: ‘cif_description_t’ has no member named ‘exchange_offset_arg’   c/_cffi_backend.c:4409: error: ‘cif_description_t’ has no member named ‘exchange_size’   c/_cffi_backend.c: in function ‘fb_build_name’:   c/_cffi_backend.c:4431: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c:4440: error: ‘struct funcbuilder_s’ has no member named ‘fct’   c/_cffi_backend.c:4442: error: ‘struct funcbuilder_s’ has no member named ‘fct’   c/_cffi_backend.c: in function ‘fb_prepare_ctype’:   c/_cffi_backend.c:4483: error: ‘struct funcbuilder_s’ has no member named ‘fct’   c/_cffi_backend.c:4493: error: ‘struct funcbuilder_s’ has no member named ‘fct’   c/_cffi_backend.c: @ top level:   c/_cffi_backend.c:4513: error: expected declaration specifiers or ‘...’ before ‘ffi_abi’   c/_cffi_backend.c: in function ‘fb_prepare_cif’:   c/_cffi_backend.c:4540: warning: implicit declaration of function ‘ffi_prep_cif’   c/_cffi_backend.c:4540: error: ‘cif_description_t’ has no member named ‘cif’   c/_cffi_backend.c:4540: error: ‘fabi’ undeclared (first use in function)   c/_cffi_backend.c:4540: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c:4541: error: ‘struct funcbuilder_s’ has no member named ‘rtype’   c/_cffi_backend.c:4541: error: ‘struct funcbuilder_s’ has no member named ‘atypes’   c/_cffi_backend.c:4541: error: ‘ffi_ok’ undeclared (first use in function)   c/_cffi_backend.c: in function ‘new_function_type’:   c/_cffi_backend.c:4585: error: many arguments function ‘fb_prepare_cif’   c/_cffi_backend.c:4599: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c:4609: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c:4619: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c:4622: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c:4623: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c:4625: error: ‘struct funcbuilder_s’ has no member named ‘nargs’   c/_cffi_backend.c: in function ‘b_new_function_type’:   c/_cffi_backend.c:4636: error: ‘ffi_default_abi’ undeclared (first use in function)   c/_cffi_backend.c: in function ‘convert_from_object_fficallback’:   c/_cffi_backend.c:4655: error: ‘ffi_arg’ undeclared (first use in function)   c/_cffi_backend.c: @ top level:   c/_cffi_backend.c:4727: error: expected ‘)’ before ‘*’ token   c/_cffi_backend.c: in function ‘b_callback’:   c/_cffi_backend.c:4798: error: ‘ffi_closure’ undeclared (first use in function)   c/_cffi_backend.c:4798: error: ‘closure’ undeclared (first use in function)   c/_cffi_backend.c:4819: error: ‘ffi_arg’ undeclared (first use in function)   c/_cffi_backend.c:4837: warning: implicit declaration of function ‘cffi_closure_alloc’   c/_cffi_backend.c:4855: warning: implicit declaration of function ‘ffi_prep_closure’   c/_cffi_backend.c:4855: error: ‘cif_description_t’ has no member named ‘cif’   c/_cffi_backend.c:4856: error: ‘invoke_callback’ undeclared (first use in function)   c/_cffi_backend.c:4856: error: ‘ffi_ok’ undeclared (first use in function)   in file included c/cffi1_module.c:3,                    c/_cffi_backend.c:5973:   c/realize_c_type.c: in function ‘realize_c_type_or_func’:   c/realize_c_type.c:562: error: ‘ffi_default_abi’ undeclared (first use in function)   c/_cffi_backend.c: in function ‘init_cffi_backend’:   c/_cffi_backend.c:6057: error: ‘ffi_default_abi’ undeclared (first use in function)   error: command 'gcc' failed exit status 1 

i can tell aws looks libffi without success. however, how install it? tried workaround in link above not working either.

to install cffi python package, first need install libffi-devel using yum:

sudo yum install libffi-devel 

which can automate adding config file in .ebextensions folder this:

packages:     yum:         libffi-devel: [] 

this mentioned in other post, since search engine brought me here first , other marked duplicate... thought should better reply here.