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425 lines
17 KiB
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425 lines
17 KiB
Plaintext
Building Python using VC++ 7.1
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-------------------------------------
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This directory is used to build Python for Win32 platforms, e.g. Windows
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95, 98 and NT. It requires Microsoft Visual C++ 7.1
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(a.k.a. Visual Studio .NET 2003).
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(For other Windows platforms and compilers, see ../PC/readme.txt.)
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All you need to do is open the workspace "pcbuild.sln" in MSVC++, select
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the Debug or Release setting (using "Solution Configuration" from
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the "Standard" toolbar"), and build the projects.
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The proper order to build subprojects:
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1) pythoncore (this builds the main Python DLL and library files,
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python30.{dll, lib} in Release mode)
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2) python (this builds the main Python executable,
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python.exe in Release mode)
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3) the other subprojects, as desired or needed (note: you probably don't
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want to build most of the other subprojects, unless you're building an
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entire Python distribution from scratch, or specifically making changes
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to the subsystems they implement, or are running a Python core buildbot
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test slave; see SUBPROJECTS below)
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When using the Debug setting, the output files have a _d added to
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their name: python30_d.dll, python_d.exe, parser_d.pyd, and so on.
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SUBPROJECTS
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-----------
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These subprojects should build out of the box. Subprojects other than the
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main ones (pythoncore, python, pythonw) generally build a DLL (renamed to
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.pyd) from a specific module so that users don't have to load the code
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supporting that module unless they import the module.
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pythoncore
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.dll and .lib
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python
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.exe
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pythonw
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pythonw.exe, a variant of python.exe that doesn't pop up a DOS box
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_socket
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socketmodule.c
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_testcapi
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tests of the Python C API, run via Lib/test/test_capi.py, and
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implemented by module Modules/_testcapimodule.c
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pyexpat
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Python wrapper for accelerated XML parsing, which incorporates stable
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code from the Expat project: http://sourceforge.net/projects/expat/
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select
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selectmodule.c
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unicodedata
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large tables of Unicode data
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winsound
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play sounds (typically .wav files) under Windows
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The following subprojects will generally NOT build out of the box. They
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wrap code Python doesn't control, and you'll need to download the base
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packages first and unpack them into siblings of PCbuilds's parent
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directory; for example, if your PCbuild is .......\dist\src\PCbuild\,
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unpack into new subdirectories of dist\.
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_tkinter
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Python wrapper for the Tk windowing system. Requires building
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Tcl/Tk first. Following are instructions for Tcl/Tk 8.4.12.
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Get source
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----------
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In the dist directory, run
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svn export http://svn.python.org/projects/external/tcl8.4.12
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svn export http://svn.python.org/projects/external/tk8.4.12
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svn export http://svn.python.org/projects/external/tix-8.4.0
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Build Tcl first (done here w/ MSVC 7.1 on Windows XP)
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---------------
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Use "Start -> All Programs -> Microsoft Visual Studio .NET 2003
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-> Visual Studio .NET Tools -> Visual Studio .NET 2003 Command Prompt"
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to get a shell window with the correct environment settings
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cd dist\tcl8.4.12\win
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nmake -f makefile.vc
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nmake -f makefile.vc INSTALLDIR=..\..\tcltk install
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XXX Should we compile with OPTS=threads?
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Optional: run tests, via
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nmake -f makefile.vc test
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On WinXP Pro, wholly up to date as of 30-Aug-2004:
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all.tcl: Total 10678 Passed 9969 Skipped 709 Failed 0
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Sourced 129 Test Files.
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Build Tk
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--------
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cd dist\tk8.4.12\win
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nmake -f makefile.vc TCLDIR=..\..\tcl8.4.12
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nmake -f makefile.vc TCLDIR=..\..\tcl8.4.12 INSTALLDIR=..\..\tcltk install
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XXX Should we compile with OPTS=threads?
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XXX Our installer copies a lot of stuff out of the Tcl/Tk install
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XXX directory. Is all of that really needed for Python use of Tcl/Tk?
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Optional: run tests, via
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nmake -f makefile.vc TCLDIR=..\..\tcl8.4.12 test
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On WinXP Pro, wholly up to date as of 30-Aug-2004:
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all.tcl: Total 8420 Passed 6826 Skipped 1581 Failed 13
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Sourced 91 Test Files.
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Files with failing tests: canvImg.test scrollbar.test textWind.test winWm.test
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Built Tix
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---------
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cd dist\tix-8.4.0\win
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nmake -f python.mak
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nmake -f python.mak install
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bz2
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Python wrapper for the libbz2 compression library. Homepage
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http://sources.redhat.com/bzip2/
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Download the source from the python.org copy into the dist
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directory:
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svn export http://svn.python.org/projects/external/bzip2-1.0.3
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A custom pre-link step in the bz2 project settings should manage to
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build bzip2-1.0.3\libbz2.lib by magic before bz2.pyd (or bz2_d.pyd) is
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linked in PCbuild\.
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However, the bz2 project is not smart enough to remove anything under
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bzip2-1.0.3\ when you do a clean, so if you want to rebuild bzip2.lib
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you need to clean up bzip2-1.0.3\ by hand.
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The build step shouldn't yield any warnings or errors, and should end
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by displaying 6 blocks each terminated with
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FC: no differences encountered
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All of this managed to build bzip2-1.0.3\libbz2.lib, which the Python
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project links in.
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_bsddb
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To use the version of bsddb that Python is built with by default, invoke
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(in the dist directory)
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svn export http://svn.python.org/projects/external/db-4.4.20
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Then open a VS.NET 2003 shell, and invoke:
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devenv db-4.4.20\build_win32\Berkeley_DB.sln /build Release /project db_static
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and do that a second time for a Debug build too:
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devenv db-4.4.20\build_win32\Berkeley_DB.sln /build Debug /project db_static
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Alternatively, if you want to start with the original sources,
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go to Sleepycat's download page:
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http://www.sleepycat.com/downloads/releasehistorybdb.html
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and download version 4.4.20.
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With or without strong cryptography? You can choose either with or
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without strong cryptography, as per the instructions below. By
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default, Python is built and distributed WITHOUT strong crypto.
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Unpack the sources; if you downloaded the non-crypto version, rename
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the directory from db-4.4.20.NC to db-4.4.20.
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Now apply any patches that apply to your version.
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Open
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dist\db-4.4.20\docs\index.html
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and follow the "Windows->Building Berkeley DB with Visual C++ .NET"
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instructions for building the Sleepycat
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software. Note that Berkeley_DB.dsw is in the build_win32 subdirectory.
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Build the "db_static" project, for "Release" mode.
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To run extensive tests, pass "-u bsddb" to regrtest.py. test_bsddb3.py
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is then enabled. Running in verbose mode may be helpful.
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XXX The test_bsddb3 tests don't always pass, on Windows (according to
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XXX me) or on Linux (according to Barry). (I had much better luck
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XXX on Win2K than on Win98SE.) The common failure mode across platforms
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XXX is
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XXX DBAgainError: (11, 'Resource temporarily unavailable -- unable
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XXX to join the environment')
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XXX
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XXX and it appears timing-dependent. On Win2K I also saw this once:
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XXX
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XXX test02_SimpleLocks (bsddb.test.test_thread.HashSimpleThreaded) ...
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XXX Exception in thread reader 1:
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XXX Traceback (most recent call last):
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XXX File "C:\Code\python\lib\threading.py", line 411, in __bootstrap
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XXX self.run()
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XXX File "C:\Code\python\lib\threading.py", line 399, in run
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XXX self.__target(*self.__args, **self.__kwargs)
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XXX File "C:\Code\python\lib\bsddb\test\test_thread.py", line 268, in
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XXX readerThread
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XXX rec = c.next()
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XXX DBLockDeadlockError: (-30996, 'DB_LOCK_DEADLOCK: Locker killed
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XXX to resolve a deadlock')
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XXX
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XXX I'm told that DBLockDeadlockError is expected at times. It
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XXX doesn't cause a test to fail when it happens (exceptions in
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XXX threads are invisible to unittest).
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Building for Win64:
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- open a VS.NET 2003 command prompt
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- run the SDK setenv.cmd script, passing /RETAIL and the target
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architecture (/SRV64 for Itanium, /X64 for AMD64)
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- build BerkeleyDB with the solution configuration matching the
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target ("Release IA64" for Itanium, "Release AMD64" for AMD64), e.g.
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devenv db-4.4.20\build_win32\Berkeley_DB.sln /build "Release AMD64" /project db_static /useenv
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_sqlite3
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Python wrapper for SQLite library.
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Get the source code through
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svn export http://svn.python.org/projects/external/sqlite-source-3.3.4
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To use the extension module in a Python build tree, copy sqlite3.dll into
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the PCbuild folder.
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_ssl
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Python wrapper for the secure sockets library.
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Get the source code through
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svn export http://svn.python.org/projects/external/openssl-0.9.8a
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Alternatively, get the latest version from http://www.openssl.org.
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You can (theoretically) use any version of OpenSSL you like - the
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build process will automatically select the latest version.
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You must also install ActivePerl from
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http://www.activestate.com/Products/ActivePerl/
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as this is used by the OpenSSL build process. Complain to them <wink>.
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The MSVC project simply invokes PCBuild/build_ssl.py to perform
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the build. This Python script locates and builds your OpenSSL
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installation, then invokes a simple makefile to build the final .pyd.
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build_ssl.py attempts to catch the most common errors (such as not
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being able to find OpenSSL sources, or not being able to find a Perl
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that works with OpenSSL) and give a reasonable error message.
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If you have a problem that doesn't seem to be handled correctly
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(eg, you know you have ActivePerl but we can't find it), please take
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a peek at build_ssl.py and suggest patches. Note that build_ssl.py
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should be able to be run directly from the command-line.
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build_ssl.py/MSVC isn't clever enough to clean OpenSSL - you must do
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this by hand.
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Building for Itanium
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--------------------
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The project files support a ReleaseItanium configuration which creates
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Win64/Itanium binaries. For this to work, you need to install the Platform
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SDK, in particular the 64-bit support. This includes an Itanium compiler
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(future releases of the SDK likely include an AMD64 compiler as well).
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In addition, you need the Visual Studio plugin for external C compilers,
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from http://sf.net/projects/vsextcomp. The plugin will wrap cl.exe, to
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locate the proper target compiler, and convert compiler options
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accordingly. The project files require atleast version 0.9.
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Building for AMD64
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------------------
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The build process for the ReleaseAMD64 configuration is very similar
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to the Itanium configuration; make sure you use the latest version of
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vsextcomp.
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Building Python Using the free MS Toolkit Compiler
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--------------------------------------------------
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The build process for Visual C++ can be used almost unchanged with the free MS
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Toolkit Compiler. This provides a way of building Python using freely
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available software.
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Note that Microsoft have withdrawn the free MS Toolkit Compiler, so this can
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no longer be considered a supported option. The instructions are still
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correct, but you need to already have a copy of the compiler in order to use
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them. Microsoft now supply Visual C++ 2005 Express Edition for free, but this
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is NOT compatible with Visual C++ 7.1 (it uses a different C runtime), and so
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cannot be used to build a version of Python compatible with the standard
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python.org build. If you are interested in using Visual C++ 2005 Express
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Edition, however, you should look at the PCBuild8 directory.
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Requirements
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To build Python, the following tools are required:
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* The Visual C++ Toolkit Compiler
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no longer available for download - see above
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* A recent Platform SDK
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from http://www.microsoft.com/downloads/details.aspx?FamilyID=484269e2-3b89-47e3-8eb7-1f2be6d7123a
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* The .NET 1.1 SDK
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from http://www.microsoft.com/downloads/details.aspx?FamilyID=9b3a2ca6-3647-4070-9f41-a333c6b9181d
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[Does anyone have better URLs for the last 2 of these?]
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The toolkit compiler is needed as it is an optimising compiler (the
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compiler supplied with the .NET SDK is a non-optimising version). The
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platform SDK is needed to provide the Windows header files and libraries
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(the Windows 2003 Server SP1 edition, typical install, is known to work -
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other configurations or versions are probably fine as well). The .NET 1.1
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SDK is needed because it contains a version of msvcrt.dll which links to
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the msvcr71.dll CRT. Note that the .NET 2.0 SDK is NOT acceptable, as it
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references msvcr80.dll.
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All of the above items should be installed as normal.
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If you intend to build the openssl (needed for the _ssl extension) you
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will need the C runtime sources installed as part of the platform SDK.
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In addition, you will need Nant, available from
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http://nant.sourceforge.net. The 0.85 release candidate 3 version is known
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to work. This is the latest released version at the time of writing. Later
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"nightly build" versions are known NOT to work - it is not clear at
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present whether future released versions will work.
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Setting up the environment
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Start a platform SDK "build environment window" from the start menu. The
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"Windows XP 32-bit retail" version is known to work.
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Add the following directories to your PATH:
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* The toolkit compiler directory
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* The SDK "Win64" binaries directory
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* The Nant directory
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Add to your INCLUDE environment variable:
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* The toolkit compiler INCLUDE directory
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Add to your LIB environment variable:
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* The toolkit compiler LIB directory
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* The .NET SDK Visual Studio 2003 VC7\lib directory
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The following commands should set things up as you need them:
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rem Set these values according to where you installed the software
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set TOOLKIT=C:\Program Files\Microsoft Visual C++ Toolkit 2003
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set SDK=C:\Program Files\Microsoft Platform SDK
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set NET=C:\Program Files\Microsoft Visual Studio .NET 2003
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set NANT=C:\Utils\Nant
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set PATH=%TOOLKIT%\bin;%PATH%;%SDK%\Bin\win64;%NANT%\bin
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set INCLUDE=%TOOLKIT%\include;%INCLUDE%
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set LIB=%TOOLKIT%\lib;%NET%\VC7\lib;%LIB%
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The "win64" directory from the SDK is added to supply executables such as
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"cvtres" and "lib", which are not available elsewhere. The versions in the
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"win64" directory are 32-bit programs, so they are fine to use here.
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That's it. To build Python (the core only, no binary extensions which
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depend on external libraries) you just need to issue the command
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nant -buildfile:python.build all
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from within the PCBuild directory.
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Extension modules
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To build those extension modules which require external libraries
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(_tkinter, bz2, _bsddb, _sqlite3, _ssl) you can follow the instructions
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for the Visual Studio build above, with a few minor modifications. These
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instructions have only been tested using the sources in the Python
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subversion repository - building from original sources should work, but
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has not been tested.
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For each extension module you wish to build, you should remove the
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associated include line from the excludeprojects section of pc.build.
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The changes required are:
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_tkinter
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The tix makefile (tix-8.4.0\win\makefile.vc) must be modified to
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remove references to TOOLS32. The relevant lines should be changed to
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read:
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cc32 = cl.exe
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link32 = link.exe
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include32 =
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The remainder of the build instructions will work as given.
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bz2
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No changes are needed
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_bsddb
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The file db.build should be copied from the Python PCBuild directory
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to the directory db-4.4.20\build_win32.
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The file db_static.vcproj in db-4.4.20\build_win32 should be edited to
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remove the string "$(SolutionDir)" - this occurs in 2 places, only
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relevant for 64-bit builds. (The edit is required as otherwise, nant
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wants to read the solution file, which is not in a suitable form).
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The bsddb library can then be build with the command
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nant -buildfile:db.build all
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run from the db-4.4.20\build_win32 directory.
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_sqlite3
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No changes are needed. However, in order for the tests to succeed, a
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copy of sqlite3.dll must be downloaded, and placed alongside
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python.exe.
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_ssl
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The documented build process works as written. However, it needs a
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copy of the file setargv.obj, which is not supplied in the platform
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SDK. However, the sources are available (in the crt source code). To
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build setargv.obj, proceed as follows:
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Copy setargv.c, cruntime.h and internal.h from %SDK%\src\crt to a
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temporary directory.
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Compile using "cl /c /I. /MD /D_CRTBLD setargv.c"
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Copy the resulting setargv.obj to somewhere on your LIB environment
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(%SDK%\lib is a reasonable place).
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With setargv.obj in place, the standard build process should work
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fine.
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YOUR OWN EXTENSION DLLs
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-----------------------
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If you want to create your own extension module DLL, there's an example
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with easy-to-follow instructions in ../PC/example/; read the file
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readme.txt there first.
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