[Cryptography-dev] problem installing on Mac OS X 10.8.5

Greg Wilson gvwilson at third-bit.com
Tue Apr 22 15:42:04 CEST 2014 

Hi Paul,
Nope - followed that recipe, still no joy.  I'll put up a blog post soon 
with details of what I've tried.
Thx,
G

On 2014-04-21 8:04 PM, Paul Kehrer wrote:
> Does it work if you bind against system OpenSSL (don't pass any 
> flags)? This looks like the same problem described here: 
> https://github.com/pyca/cryptography/issues/693
>
> On April 21, 2014 at 1:29:13 PM, Greg Wilson (gvwilson at third-bit.com 
> <mailto:gvwilson at third-bit.com>) wrote:
>
>> Hi,
>>
>> Trying to install cryptography so that I can install Scrapy; as per
>> https://cryptography.io/en/latest/installation/, I'm using:
>>
>> $ brewinstall openssl
>> Warning: openssl-1.0.1e already installed
>>
>> and then:
>>
>> $ env ARCHFLAGS="-arch x86_64" LDFLAGS="-L/usr/local/opt/openssl/lib"
>> CFLAGS="-I/usr/local/opt/openssl/include" pip install cryptography
>>
>> Error message is below; note that I have installed libffi using "brew
>> install libffi", and
>> /usr/local/Cellar/libffi/3.0.13/lib/pkgconfig/libffi.pc exists. Pointers
>> would be welcome...
>> Thanks,
>> Greg
>>
>> --------
>>
>> Downloading/unpacking cryptography
>> Running setup.py egg_info for package cryptography
>> OS/X: confusion between 'cc' versus 'gcc' (see issue 123)
>> will not use '__thread' in the C code
>>
>> Installed
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg 
>>
>>
>> building '_Cryptography_cffi_684bb40axf342507b' extension
>> /usr/bin/clang -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes
>> -I/usr/local/opt/openssl/include -arch x86_64
>> -I/Users/gwilson/anaconda/include/python2.7 -c
>> cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_684bb40axf342507b.c 
>>
>> -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_684bb40axf342507b.o 
>>
>> /usr/bin/clang -bundle -undefined dynamic_lookup
>> -L/Users/gwilson/anaconda/lib -L/usr/local/opt/openssl/lib
>> -I/usr/local/opt/openssl/include -arch x86_64 -arch x86_64
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_684bb40axf342507b.o 
>>
>> -L/Users/gwilson/anaconda/lib -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_684bb40axf342507b.so 
>>
>> building '_Cryptography_cffi_8f86901cxc1767c5a' extension
>> /usr/bin/clang -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes
>> -I/usr/local/opt/openssl/include -arch x86_64
>> -I/Users/gwilson/anaconda/include/python2.7 -c
>> cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.c 
>>
>> -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.o 
>>
>> /usr/bin/clang -bundle -undefined dynamic_lookup
>> -L/Users/gwilson/anaconda/lib -L/usr/local/opt/openssl/lib
>> -I/usr/local/opt/openssl/include -arch x86_64 -arch x86_64
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.o 
>>
>> -L/Users/gwilson/anaconda/lib -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.so 
>>
>> building '_Cryptography_cffi_48bbf0ebx93c91939' extension
>> /usr/bin/clang -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes
>> -I/usr/local/opt/openssl/include -arch x86_64
>> -I/Users/gwilson/anaconda/include/python2.7 -c
>> cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.c 
>>
>> -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.o 
>>
>> /usr/bin/clang -bundle -undefined dynamic_lookup
>> -L/Users/gwilson/anaconda/lib -L/usr/local/opt/openssl/lib
>> -I/usr/local/opt/openssl/include -arch x86_64 -arch x86_64
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.o 
>>
>> -L/Users/gwilson/anaconda/lib -lcrypto -lssl -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.so 
>>
>> Traceback (most recent call last):
>> File "<string>", line 16, in <module>
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/setup.py", 
>>
>> line 156, in <module>
>> "test": PyTest,
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/core.py",
>> line 152, in setup
>> dist.run_commands()
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/dist.py",
>> line 953, in run_commands
>> self.run_command(cmd)
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/dist.py",
>> line 972, in run_command
>> cmd_obj.run()
>> File "<string>", line 14, in replacement_run
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/egg_info.py", 
>>
>> line 259, in find_sources
>> mm.run()
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/egg_info.py", 
>>
>> line 325, in run
>> self.add_defaults()
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/egg_info.py", 
>>
>> line 361, in add_defaults
>> sdist.add_defaults(self)
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/sdist.py", 
>>
>> line 199, in add_defaults
>> build_py = self.get_finalized_command('build_py')
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/cmd.py",
>> line 312, in get_finalized_command
>> cmd_obj.ensure_finalized()
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/cmd.py",
>> line 109, in ensure_finalized
>> self.finalize_options()
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/build_py.py", 
>>
>> line 73, in finalize_options
>> _build_py.finalize_options(self)
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/distutils/command/build_py.py",
>> line 46, in finalize_options
>> ('force', 'force'))
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/cmd.py",
>> line 298, in set_undefined_options
>> src_cmd_obj.ensure_finalized()
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/cmd.py",
>> line 109, in ensure_finalized
>> self.finalize_options()
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/setup.py", 
>>
>> line 75, in finalize_options
>> OpenSSLBinding().ffi.verifier.get_extension(),
>> File "cryptography/hazmat/bindings/openssl/binding.py", line 83,
>> in __init__
>> self._ensure_ffi_initialized()
>> File "cryptography/hazmat/bindings/openssl/binding.py", line 99,
>> in _ensure_ffi_initialized
>> libraries)
>> File "cryptography/hazmat/bindings/utils.py", line 77, in build_ffi
>> ext_package="cryptography",
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg/cffi/api.py", 
>>
>> line 341, in verify
>> lib = self.verifier.load_library()
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg/cffi/verifier.py", 
>>
>> line 75, in load_library
>> return self._load_library()
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg/cffi/verifier.py", 
>>
>> line 151, in _load_library
>> return self._vengine.load_library()
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg/cffi/vengine_cpy.py", 
>>
>> line 138, in load_library
>> raise ffiplatform.VerificationError(error)
>> cffi.ffiplatform.VerificationError: importing
>> '/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.so': 
>>
>> dlopen(/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.so, 
>>
>> 2): Library not loaded: libcrypto.1.0.0.dylib
>> Referenced from:
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.so 
>>
>> Reason: image not found
>> Complete output from command python setup.py egg_info:
>> OS/X: confusion between 'cc' versus 'gcc' (see issue 123)
>>
>> will not use '__thread' in the C code
>>
>>
>>
>> Installed
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg 
>>
>>
>> running egg_info
>>
>> creating pip-egg-info/cryptography.egg-info
>>
>> writing requirements to pip-egg-info/cryptography.egg-info/requires.txt
>>
>> writing pip-egg-info/cryptography.egg-info/PKG-INFO
>>
>> writing top-level names to 
>> pip-egg-info/cryptography.egg-info/top_level.txt
>>
>> writing dependency_links to
>> pip-egg-info/cryptography.egg-info/dependency_links.txt
>>
>> writing manifest file 'pip-egg-info/cryptography.egg-info/SOURCES.txt'
>>
>> warning: manifest_maker: standard file '-c' not found
>>
>>
>>
>> running build_ext
>>
>> building '_Cryptography_cffi_684bb40axf342507b' extension
>>
>> creating
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography 
>>
>>
>> creating
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat 
>>
>>
>> creating
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives 
>>
>>
>> creating
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__ 
>>
>>
>> /usr/bin/clang -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes
>> -I/usr/local/opt/openssl/include -arch x86_64
>> -I/Users/gwilson/anaconda/include/python2.7 -c
>> cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_684bb40axf342507b.c 
>>
>> -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_684bb40axf342507b.o 
>>
>>
>> /usr/bin/clang -bundle -undefined dynamic_lookup
>> -L/Users/gwilson/anaconda/lib -L/usr/local/opt/openssl/lib
>> -I/usr/local/opt/openssl/include -arch x86_64 -arch x86_64
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_684bb40axf342507b.o 
>>
>> -L/Users/gwilson/anaconda/lib -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_684bb40axf342507b.so 
>>
>>
>> running build_ext
>>
>> building '_Cryptography_cffi_8f86901cxc1767c5a' extension
>>
>> /usr/bin/clang -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes
>> -I/usr/local/opt/openssl/include -arch x86_64
>> -I/Users/gwilson/anaconda/include/python2.7 -c
>> cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.c 
>>
>> -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.o 
>>
>>
>> /usr/bin/clang -bundle -undefined dynamic_lookup
>> -L/Users/gwilson/anaconda/lib -L/usr/local/opt/openssl/lib
>> -I/usr/local/opt/openssl/include -arch x86_64 -arch x86_64
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.o 
>>
>> -L/Users/gwilson/anaconda/lib -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/primitives/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.so 
>>
>>
>> running build_ext
>>
>> building '_Cryptography_cffi_48bbf0ebx93c91939' extension
>>
>> creating
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/cryptography 
>>
>>
>> creating
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/cryptography/hazmat 
>>
>>
>> creating
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/cryptography/hazmat/bindings 
>>
>>
>> creating
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/cryptography/hazmat/bindings/__pycache__ 
>>
>>
>> /usr/bin/clang -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes
>> -I/usr/local/opt/openssl/include -arch x86_64
>> -I/Users/gwilson/anaconda/include/python2.7 -c
>> cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.c 
>>
>> -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.o 
>>
>>
>> /usr/bin/clang -bundle -undefined dynamic_lookup
>> -L/Users/gwilson/anaconda/lib -L/usr/local/opt/openssl/lib
>> -I/usr/local/opt/openssl/include -arch x86_64 -arch x86_64
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.o 
>>
>> -L/Users/gwilson/anaconda/lib -lcrypto -lssl -o
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.so 
>>
>>
>> Traceback (most recent call last):
>>
>> File "<string>", line 16, in <module>
>>
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/setup.py", 
>>
>> line 156, in <module>
>>
>> "test": PyTest,
>>
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/core.py", line
>> 152, in setup
>>
>> dist.run_commands()
>>
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/dist.py", line
>> 953, in run_commands
>>
>> self.run_command(cmd)
>>
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/dist.py", line
>> 972, in run_command
>>
>> cmd_obj.run()
>>
>> File "<string>", line 14, in replacement_run
>>
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/egg_info.py", 
>>
>> line 259, in find_sources
>>
>> mm.run()
>>
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/egg_info.py", 
>>
>> line 325, in run
>>
>> self.add_defaults()
>>
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/egg_info.py", 
>>
>> line 361, in add_defaults
>>
>> sdist.add_defaults(self)
>>
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/sdist.py", 
>>
>> line 199, in add_defaults
>>
>> build_py = self.get_finalized_command('build_py')
>>
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/cmd.py", line
>> 312, in get_finalized_command
>>
>> cmd_obj.ensure_finalized()
>>
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/cmd.py", line
>> 109, in ensure_finalized
>>
>> self.finalize_options()
>>
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/site-packages/setuptools/command/build_py.py", 
>>
>> line 73, in finalize_options
>>
>> _build_py.finalize_options(self)
>>
>> File
>> "/Users/gwilson/anaconda/lib/python2.7/distutils/command/build_py.py",
>> line 46, in finalize_options
>>
>> ('force', 'force'))
>>
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/cmd.py", line
>> 298, in set_undefined_options
>>
>> src_cmd_obj.ensure_finalized()
>>
>> File "/Users/gwilson/anaconda/lib/python2.7/distutils/cmd.py", line
>> 109, in ensure_finalized
>>
>> self.finalize_options()
>>
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/setup.py", 
>>
>> line 75, in finalize_options
>>
>> OpenSSLBinding().ffi.verifier.get_extension(),
>>
>> File "cryptography/hazmat/bindings/openssl/binding.py", line 83, in
>> __init__
>>
>> self._ensure_ffi_initialized()
>>
>> File "cryptography/hazmat/bindings/openssl/binding.py", line 99, in
>> _ensure_ffi_initialized
>>
>> libraries)
>>
>> File "cryptography/hazmat/bindings/utils.py", line 77, in build_ffi
>>
>> ext_package="cryptography",
>>
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg/cffi/api.py", 
>>
>> line 341, in verify
>>
>> lib = self.verifier.load_library()
>>
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg/cffi/verifier.py", 
>>
>> line 75, in load_library
>>
>> return self._load_library()
>>
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg/cffi/verifier.py", 
>>
>> line 151, in _load_library
>>
>> return self._vengine.load_library()
>>
>> File
>> "/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cffi-0.8.2-py2.7-macosx-10.5-x86_64.egg/cffi/vengine_cpy.py", 
>>
>> line 138, in load_library
>>
>> raise ffiplatform.VerificationError(error)
>>
>> cffi.ffiplatform.VerificationError: importing
>> '/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.so': 
>>
>> dlopen(/private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.so, 
>>
>> 2): Library not loaded: libcrypto.1.0.0.dylib
>>
>> Referenced from:
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_48bbf0ebx93c91939.so 
>>
>>
>> Reason: image not found
>>
>> ----------------------------------------
>> Cleaning up...
>> Command python setup.py egg_info failed with error code 1 in
>> /private/var/folders/vz/m_8fd1kj2kn9t2gq0d8fqgg00000gn/T/pip_build_gwilson/cryptography 
>>
>> Storing complete log in /Users/gwilson/.pip/pip.log
>>
>> _______________________________________________
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>> Cryptography-dev at python.org
>> https://mail.python.org/mailman/listinfo/cryptography-dev
>
>
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