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1.0.1t-1+deb8u2 causing compilation failures "error: ‘SSLv2_method’ redeclared as different kind of symbol" #2973

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russmac opened this issue Jun 9, 2016 · 11 comments
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1.0.1t-1+deb8u2 causing compilation failures "error: ‘SSLv2_method’ redeclared as different kind of symbol" #2973

russmac opened this issue Jun 9, 2016 · 11 comments

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@russmac
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russmac commented Jun 9, 2016 •
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Reported this to Openssl and was advised issue is with Python.

openssl/openssl#1190

On Debian 8.4, Linux ip-10-1-1-99 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-1 (2016-03-06) x86_64 GNU/Linux

Since upgrading from 1.0.1k-3+deb8u5 -> 1.0.1t-1+deb8u2 I cannot install pip cryptography 1.0.1 *

Reproduce

apt-get install --force-yes libssl-dev=1.0.1t-1+deb8u2 libssl1.0.0=1.0.1t-1+deb8u2 openssl=1.0.1t-1+deb8u2 build-essential python-pip python-dev libffi-dev
pip install cryptography

Workaround

apt-get install --force-yes libssl-dev=1.0.1k-3+deb8u5 libssl1.0.0=1.0.1k-3+deb8u5 openssl=1.0.1k-3+deb8u5
pip install cryptography

Force installing the previous version of openssl resolves the issue. *

It is easily reproduced with the packages / pip install cryptography.

I've debugged:

    text = '\n'.join(complete_log)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 59: ordinal not in range(128)

And determined the encoding of my provisioner or shell has no effect and has always been set UTF8.

It looks like this may be the cause (caveat, I know zero C):

build/temp.linux-x86_64-2.7/_openssl.c:2096:15: error: ‘SSLv2_method’ redeclared as different kind of symbol

full trace

building '_openssl' extension

creating build/temp.linux-x86_64-2.7/build

creating build/temp.linux-x86_64-2.7/build/temp.linux-x86_64-2.7

x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -fPIC -I/usr/include/python2.7 -c build/temp.linux-x86_64-2.7/_openssl.c -o build/temp.linux-x86_64-2.7/build/temp.linux-x86_64-2.7/_openssl.o

build/temp.linux-x86_64-2.7/_openssl.c:2096:15: error: ‘SSLv2_method’ redeclared as different kind of symbol

 SSL_METHOD* (*SSLv2_method)(void) = NULL;

               ^

In file included from build/temp.linux-x86_64-2.7/_openssl.c:523:0:

/usr/include/openssl/ssl.h:2021:19: note: previous declaration of ‘SSLv2_method’ was here

 const SSL_METHOD *SSLv2_method(void); /* SSLv2 */

                   ^

build/temp.linux-x86_64-2.7/_openssl.c:2097:15: error: ‘SSLv2_client_method’ redeclared as different kind of symbol

 SSL_METHOD* (*SSLv2_client_method)(void) = NULL;

               ^

In file included from build/temp.linux-x86_64-2.7/_openssl.c:523:0:

/usr/include/openssl/ssl.h:2023:19: note: previous declaration of ‘SSLv2_client_method’ was here

 const SSL_METHOD *SSLv2_client_method(void); /* SSLv2 */

                   ^

build/temp.linux-x86_64-2.7/_openssl.c:2098:15: error: ‘SSLv2_server_method’ redeclared as different kind of symbol

 SSL_METHOD* (*SSLv2_server_method)(void) = NULL;

               ^

In file included from build/temp.linux-x86_64-2.7/_openssl.c:523:0:

/usr/include/openssl/ssl.h:2022:19: note: previous declaration of ‘SSLv2_server_method’ was here

 const SSL_METHOD *SSLv2_server_method(void); /* SSLv2 */

                   ^

error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

----------------------------------------
  Rolling back uninstall of cryptography
Cleaning up...
Command /usr/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip-build-13wIIt/cryptography/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-1C0XrA-record/install-record.txt --single-version-externally-managed --compile failed with error code 1 in /tmp/pip-build-13wIIt/cryptography
Traceback (most recent call last):
  File "/usr/bin/pip", line 9, in <module>
    load_entry_point('pip==1.5.6', 'console_scripts', 'pip')()
  File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 248, in main
    return command.main(cmd_args)
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 161, in main
    text = '\n'.join(complete_log)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 59: ordinal not in range(128)
@russmac russmac changed the title Openssl 1.0.1t-1+deb8u2 causes build failures. n/t Jun 9, 2016
@russmac russmac closed this as completed Jun 9, 2016
@alex alex mentioned this issue Jun 9, 2016
Closed
@russmac russmac changed the title n/t 1.0.1t-1+deb8u2 causing compilation failures "error: ‘SSLv2_method’ redeclared as different kind of symbol" Jun 9, 2016
@russmac russmac reopened this Jun 9, 2016
@ryanmcgrath
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Experiencing this same issue. Totally get that it's open source and such, but poking it as I'm curious how soon a fix would be available.

@alex
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alex commented Jun 10, 2016

Is the traceback you provided from cryptography 1.4? I don't see any of the SSLv2 lines it indicates in our present source code.

@reaperhulk
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As a data point, I just upgraded our jessie builder to 1.0.1t-1+deb8u2 and did pip install cryptography in a virtualenv without any issues.

@russmac
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russmac commented Jun 10, 2016 •
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@alex, The issue initially occurred in cryptography==1.0.1
It also occurs in the latest pip installable version (1.4)

I probably pasted you 1.0.1

@russmac
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russmac commented Jun 10, 2016

@reaperhulk So you wernt able to without a vritualenv but were with? Could you try without a vritualenv?

@alex
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alex commented Jun 11, 2016

@russmac Can you provide a traceback from 1.4?

@russmac
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russmac commented Jun 13, 2016

I was able to install 1.4 on a fresh build today without producing the issue. Was able to reproduce it for cryptography==1.0.1 only.

@alex
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alex commented Jun 13, 2016

Unfortunately it's somewhat expected that older cryptography's will not work with newer OpenSSLs. Unless anyone can reproduce this issue with 1.4, I don't think there's anything to do here?

@russmac
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russmac commented Jun 13, 2016

Time for me to report issue to the project using it. I hope they like Debian.

@alex alex closed this as completed Jun 13, 2016
@russmac russmac mentioned this issue Jun 13, 2016
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@NSkelsey NSkelsey mentioned this issue Jul 3, 2016
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@shakaran
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I get error with crytpography under Ubuntu 16.10, I paste the trace:

Installing collected packages: lxml, cryptography, pyOpenSSL, Scrapy
  Found existing installation: lxml 3.6.1
	Uninstalling lxml-3.6.1:
	  Successfully uninstalled lxml-3.6.1
  Running setup.py install for lxml ... done
  Found existing installation: cryptography 1.5
	Uninstalling cryptography-1.5:
	  Successfully uninstalled cryptography-1.5
  Running setup.py install for cryptography ... error
	Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-I7LDar/cryptography/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-uWvLo2-record/install-record.txt --single-version-externally-managed --compile:
	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/cryptography
	copying src/cryptography/utils.py -> build/lib.linux-x86_64-2.7/cryptography
	copying src/cryptography/__about__.py -> build/lib.linux-x86_64-2.7/cryptography
	copying src/cryptography/x509.py -> build/lib.linux-x86_64-2.7/cryptography
	copying src/cryptography/__init__.py -> build/lib.linux-x86_64-2.7/cryptography
	copying src/cryptography/exceptions.py -> build/lib.linux-x86_64-2.7/cryptography
	copying src/cryptography/fernet.py -> build/lib.linux-x86_64-2.7/cryptography
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat
	copying src/cryptography/hazmat/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	copying src/cryptography/hazmat/primitives/padding.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	copying src/cryptography/hazmat/primitives/serialization.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	copying src/cryptography/hazmat/primitives/hashes.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	copying src/cryptography/hazmat/primitives/hmac.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	copying src/cryptography/hazmat/primitives/interfaces.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	copying src/cryptography/hazmat/primitives/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	copying src/cryptography/hazmat/primitives/cmac.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	copying src/cryptography/hazmat/primitives/constant_time.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/backends
	copying src/cryptography/hazmat/backends/interfaces.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends
	copying src/cryptography/hazmat/backends/multibackend.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends
	copying src/cryptography/hazmat/backends/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings
	copying src/cryptography/hazmat/bindings/utils.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings
	copying src/cryptography/hazmat/bindings/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/asymmetric
	copying src/cryptography/hazmat/primitives/asymmetric/padding.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/asymmetric
	copying src/cryptography/hazmat/primitives/asymmetric/rsa.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/asymmetric
	copying src/cryptography/hazmat/primitives/asymmetric/utils.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/asymmetric
	copying src/cryptography/hazmat/primitives/asymmetric/dsa.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/asymmetric
	copying src/cryptography/hazmat/primitives/asymmetric/ec.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/asymmetric
	copying src/cryptography/hazmat/primitives/asymmetric/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/asymmetric
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/twofactor
	copying src/cryptography/hazmat/primitives/twofactor/totp.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/twofactor
	copying src/cryptography/hazmat/primitives/twofactor/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/twofactor
	copying src/cryptography/hazmat/primitives/twofactor/hotp.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/twofactor
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/ciphers
	copying src/cryptography/hazmat/primitives/ciphers/algorithms.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/ciphers
	copying src/cryptography/hazmat/primitives/ciphers/base.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/ciphers
	copying src/cryptography/hazmat/primitives/ciphers/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/ciphers
	copying src/cryptography/hazmat/primitives/ciphers/modes.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/ciphers
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/kdf
	copying src/cryptography/hazmat/primitives/kdf/pbkdf2.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/kdf
	copying src/cryptography/hazmat/primitives/kdf/hkdf.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/kdf
	copying src/cryptography/hazmat/primitives/kdf/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/kdf
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/hashes.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/rsa.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/ciphers.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/utils.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/dsa.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/hmac.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/ec.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/backend.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/x509.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	copying src/cryptography/hazmat/backends/openssl/cmac.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/openssl
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/commoncrypto
	copying src/cryptography/hazmat/backends/commoncrypto/hashes.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/commoncrypto
	copying src/cryptography/hazmat/backends/commoncrypto/ciphers.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/commoncrypto
	copying src/cryptography/hazmat/backends/commoncrypto/hmac.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/commoncrypto
	copying src/cryptography/hazmat/backends/commoncrypto/backend.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/commoncrypto
	copying src/cryptography/hazmat/backends/commoncrypto/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/backends/commoncrypto
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/evp.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/osrandom_engine.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/pem.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/ecdh.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/opensslv.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/rsa.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/ssl.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/x509_vfy.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/pkcs7.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/dsa.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/hmac.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/bignum.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/ec.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/aes.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/pkcs12.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/ecdsa.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/rand.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/x509v3.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/engine.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/objects.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/binding.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/bio.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/x509.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/err.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/x509name.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/nid.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/crypto.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/conf.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/cmac.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/dh.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/asn1.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	copying src/cryptography/hazmat/bindings/openssl/cms.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/openssl
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/secitem.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/common_digest.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/common_key_derivation.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/seckey.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/cf.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/binding.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/common_hmac.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/sectransform.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/__init__.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/secimport.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/common_cryptor.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	copying src/cryptography/hazmat/bindings/commoncrypto/seckeychain.py -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/commoncrypto
	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'
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/src
	copying src/cryptography/hazmat/primitives/src/constant_time.c -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/src
	copying src/cryptography/hazmat/primitives/src/constant_time.h -> build/lib.linux-x86_64-2.7/cryptography/hazmat/primitives/src
	creating build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/__pycache__
	copying src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/__pycache__
	copying src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_590da19fxffc7b1ce.c -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/__pycache__
	copying src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_8f86901cxc1767c5a.c -> build/lib.linux-x86_64-2.7/cryptography/hazmat/bindings/__pycache__
	running build_ext
	building '_Cryptography_cffi_4ee21876x41fb9936' extension
	creating build/temp.linux-x86_64-2.7
	creating build/temp.linux-x86_64-2.7/src
	creating build/temp.linux-x86_64-2.7/src/cryptography
	creating build/temp.linux-x86_64-2.7/src/cryptography/hazmat
	creating build/temp.linux-x86_64-2.7/src/cryptography/hazmat/bindings
	creating build/temp.linux-x86_64-2.7/src/cryptography/hazmat/bindings/__pycache__
	x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fdebug-prefix-map=/build/python2.7-lMBuS3/python2.7-2.7.12=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -I/usr/include/python2.7 -c src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c -o build/temp.linux-x86_64-2.7/src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.o
	src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c:476:6: error: conflicting types for ‘BIO_new_mem_buf’
	 BIO *BIO_new_mem_buf(void *, int);
		  ^~~~~~~~~~~~~~~
	In file included from /usr/include/openssl/asn1.h:65:0,
					 from src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c:197:
	/usr/include/openssl/bio.h:692:6: note: previous declaration of ‘BIO_new_mem_buf’ was here
	 BIO *BIO_new_mem_buf(const void *buf, int len);
		  ^~~~~~~~~~~~~~~
	src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c:1935:15: error: ‘SSLv2_method’ redeclared as different kind of symbol
	 SSL_METHOD* (*SSLv2_method)(void) = NULL;
				   ^~~~~~~~~~~~
	In file included from src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c:294:0:
	/usr/include/openssl/ssl.h:2349:19: note: previous declaration of ‘SSLv2_method’ was here
	 const SSL_METHOD *SSLv2_method(void); /* SSLv2 */
					   ^~~~~~~~~~~~
	src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c:1936:15: error: ‘SSLv2_client_method’ redeclared as different kind of symbol
	 SSL_METHOD* (*SSLv2_client_method)(void) = NULL;
				   ^~~~~~~~~~~~~~~~~~~
	In file included from src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c:294:0:
	/usr/include/openssl/ssl.h:2351:19: note: previous declaration of ‘SSLv2_client_method’ was here
	 const SSL_METHOD *SSLv2_client_method(void); /* SSLv2 */
					   ^~~~~~~~~~~~~~~~~~~
	src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c:1937:15: error: ‘SSLv2_server_method’ redeclared as different kind of symbol
	 SSL_METHOD* (*SSLv2_server_method)(void) = NULL;
				   ^~~~~~~~~~~~~~~~~~~
	In file included from src/cryptography/hazmat/bindings/__pycache__/_Cryptography_cffi_4ee21876x41fb9936.c:294:0:
	/usr/include/openssl/ssl.h:2350:19: note: previous declaration of ‘SSLv2_server_method’ was here
	 const SSL_METHOD *SSLv2_server_method(void); /* SSLv2 */
					   ^~~~~~~~~~~~~~~~~~~
	error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
	
	----------------------------------------
  Rolling back uninstall of cryptography
Command "/usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-I7LDar/cryptography/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-uWvLo2-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-I7LDar/cryptography/

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reaperhulk commented Dec 22, 2016 via email

@dreness dreness mentioned this issue Feb 1, 2018
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@alex @shakaran @ryanmcgrath @reaperhulk @russmac