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113 lines
3.8 KiB
ReStructuredText
113 lines
3.8 KiB
ReStructuredText
Building pyOpenSSL on Windows
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=============================
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This document details the steps to build an pyOpenSSL egg with embedded
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OpenSSL library, for use by Tahoe-LAFS on Windows.
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The instructions were tried on Windows 7 64-bit and Windows XP 32-bit.
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They should work on other versions of Windows, maybe with minor variations.
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Download and install Microsoft Visual C++ compiler for Python 2.7
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-----------------------------------------------------------------
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For reasons detailed in `the Python documentation`_, Python extension modules
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need to be built using a compiler compatible with the same version of Visual C++
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that was used to build Python itself. Until recently, this meant downloading
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Microsoft Visual Studio 2008 Express Edition and Windows SDK 3.5. The recent
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release of the Microsoft Visual C++ compiler for Python 2.7 made things a lot
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simpler.
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So, the first step is to download and install the C++ compiler from Microsoft
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from `this link`_.
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Find the location where it installed the ``vcvarsall.bat`` file; depending on
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the version of Windows it could be either
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``"%USERPROFILE%\AppData\Local\Programs\Common\Microsoft\Visual C++ for Python\9.0"``
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or ``"%CommonProgramFiles%\Microsoft\Visual C++ for Python\9.0"``, for example.
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We'll call this ``%VCDIR%`` below.
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.. _the Python documentation: https://docs.python.org/2/extending/windows.html
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.. _this link: https://www.microsoft.com/en-us/download/details.aspx?id=44266
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Download and install Perl
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-------------------------
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Download and install ActiveState Perl:
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* go to `the ActiveState Perl download page`_.
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* identify the correct link and manually change it from http to https.
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.. _the ActiveState Perl download page: https://www.activestate.com/activeperl/downloads
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Download and install the latest OpenSSL version
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-----------------------------------------------
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* Download the latest OpenSSL from `the OpenSSL source download page`_ and untar it.
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At the time of writing, the latest version was OpenSSL 1.0.1m.
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* Set up the build environment. For 64-bit Windows::
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"%VCDIR%\vcvarsall.bat" amd64
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or for 32-bit Windows::
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"%VCDIR%\vcvarsall.bat" x86
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* Go to the untar'ed OpenSSL source base directory. For 64-bit Windows, run::
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mkdir c:\dist
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perl Configure VC-WIN64A --prefix=c:\dist\openssl no-asm enable-tlsext
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ms\do_win64a.bat
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nmake -f ms\ntdll.mak
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nmake -f ms\ntdll.mak install
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or for 32-bit Windows, run::
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mkdir c:\dist
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perl Configure VC-WIN32 --prefix=c:\dist\openssl no-asm enable-tlsext
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ms\do_ms.bat
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nmake -f ms\ntdll.mak
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nmake -f ms\ntdll.mak install
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To check that it is working, run ``c:\dist\openssl\bin\openssl version``.
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.. _the OpenSSL source download page: https://www.openssl.org/source/
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Building PyOpenSSL
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------------------
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* Download and untar pyOpenSSL 0.13.1 (see `ticket #2221`_ for why we
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currently use this version). The MD5 hash of pyOpenSSL-0.13.1.tar.gz is
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e27a3b76734c39ea03952ca94cc56715.
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* Set up the build environment by running ``vcvarsall.bat`` as for building
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OpenSSL above.
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* Set OpenSSL ``LIB``, ``INCLUDE`` and ``PATH``::
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set LIB=c:\dist\openssl\lib;%LIB%
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set INCLUDE=c:\dist\openssl\include;%INCLUDE%
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set PATH=c:\dist\openssl\bin;%PATH%
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* A workaround is needed to ensure that the setuptools ``bdist_egg`` command
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is available. Edit pyOpenSSL's ``setup.py`` around line 13 as follows::
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< from distutils.core import Extension, setup
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---
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> from setuptools import setup
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> from distutils.core import Extension
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* Run ``python setup.py bdist_egg``
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The generated egg will be in the ``dist`` directory. It is a good idea
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to check that Tahoe-LAFS is able to use it before uploading the egg to
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tahoe-lafs.org. This can be done by putting it in the ``tahoe-deps`` directory
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of a Tahoe-LAFS checkout or release, then running ``python setup.py test``.
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.. _ticket #2221: https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2221
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