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This page is part of the [[windows|Sage on Windows port]].

== Package Analysis ==

Below you will find a list of packages in Sage as well as remarks on issues that will potentially come up during the Windows port. As we progress we will add detailed problem reports and how we resolved those issues at individual pages.

== Build dependencies of Sage (port these first for a minimal Sage on Windows) ==

 || Website || Win32 || Win64 || MSVC || Version || Comments ||
 || [[http://math-atlas.sourceforge.net/ | atlas]] || Y || N || N || 3.8.p11 || Unconvinced it is actually needed over CBLAS/CLAPACK ||
 || [[http://www.netlib.org/blas/ | blas]] || Y || [[http://www.canerten.com/compile-lapack-and-blas-as-dll-on-windows/ | Y]] || Y || 20070724 || MSVC 2008 built also possible.<<BR>> See: [[ http://icl.cs.utk.edu/lapack-for-windows/clapack/index.html#build | CLAPLACK for windows]]||
 || [[http://www.boost.org/ | boost]] || Y || P || P || 1.40.0 || [[http://ngi-central.blogspot.com/2009/09/building-boost-with-visual-studio.html | Building Boost in Visual Studio]] - required by Polybori ||
 || [[http://www.bzip.org/ | bzip2]] || Y || P || P || 1.0.5 || works fine with MSVC (32 bits at least)<<BR>> See: [[ http://www.bzip.org/1.0.5/bzip2-manual-1.0.5.html#win-dll | Making a Windows DLL]] - required by python ||
 || cephes || N || N || N || || Last seriously maintained circa 1994, small library, long doubles - only used in the Cygwin port so far (and FreeBSD in future) - supposedly required to provide long doubles on Windows, which C99 would otherwise provide ||
 || [[http://users.tkk.fi/pat/cliquer.html | cliquer]] || N || N || N || XXXX || Docs say minor changes to source required for non-unix OSs ||
 || [[http://www.cython.org/ | cython]] || Y || Y || Y || 0.9.6.12 || pure python, no portability issues, might needs some TLC for various config issues [[my impression from cython-devel is that there are already numerous windows users of cython]] ||
 || [[http://wiki.sagemath.org/spkg/eclib | eclib]] || N || N || N || 20080127.p0 || Works fine on Cygwin, but needs a port to MSVC. Port is probably of medium complexity. A merge of fixes upstream is welcome, but maintainer no longer uses Windows. [[Maintainer = John Cremona = has never used Windows, as far as I know. Porting is reasonable.]] ||
 || [[https://gforge.inria.fr/projects/ecm/ | ecm]] || || || || 6.1.3 || ECM-6.2 has MSVC project by Brian Gladman ||
 || [[http://www.flintlib.org/ | flint]] || Y|| P || N || 1.06.p1 || flint2 is pure ANSI C except for a very small amount of assembly language pulled from longlong.h in GMP (see MPIR) ||
 || [[http://perso.ens-lyon.fr/damien.stehle/english.html#software | fplll]] || N || N || N || 2.1.6-20071129.p1 || no Windows port, needs some specialized math functions, but should be a relatively easy port. Upstream will likely merge Windows patches [[worry?]] ||
 || [[http://ljk.imag.fr/CASYS/LOGICIELS/givaro/ | givaro]] || N || N || N || 3.3.2 || no port exists, C++ code uses templates and it migt. be a little tricky to get right. Upstream welcomes patches [[could be hard.]] ||
 || [[http://www.gnu.org/software/glpk/glpk.html | glpk]] || Y || Y || Y || 4.32 || [[ http://en.wikibooks.org/wiki/GLPK/Windows#Microsoft_Visual_C.2B.2B_.28MSVC.29_compiler | MSVC 2010]] ||
 || [[http://www.gnu.org/software/gsl/ | gsl]] || Y || Y || Y || 1.10.p0 || Brian Gladman maintains a native MSVC port, 32 & 64 bit. ||
 || [[http://www.cs.uwaterloo.ca/~astorjoh/iml.html | iml]] || N || N || N || 1.0.3 || no port exists, but it should be pretty straight forward. [[this won't be hard, since iml is just clean C code, mostly concerned with mat]] ||
 || [[http://www.netlib.org/lapack/ | lapack]] || Y || P || Y || 3.2.2 || See: [[http://icl.cs.utk.edu/lapack-for-windows/lapack/index.html#build | LAPACK for Windows]] ||
 || [[http://pmmac03.math.uwaterloo.ca/~mrubinst/L_function_public/CODE/ | lcalc]] || N || N || N || 1.22 || somewhat crafty C code, ugly hacks in the user interface, but should be portable to MSVC. Builds fine under Cygwin||
 || [[http://www.libpng.org/pub/png/libpng.html | libpng]] || Y || P || Y || 1.4.3 || port exists: [[http://gnuwin32.sourceforge.net/packages/libpng.htm | libpng]] Since that port uses MinGW we need to either use MinGW 64 bit or do an MSVC port ourselves. In this case it seems likely that somebody else has done a proper Windows port. We might also be able to uses the system's library, but there might be issues with featurs, i.e. IE's libpng is supposed to be fairly bad. [[yep, something builtin to windows might be useful.]] <<BR>> See: [[ http://cr.yp.to/2004-494/libpng/libpng-1.2.5/ | libpng MSVC project files ]] [[ http://cr.yp.to/2004-494/libpng/libpng-1.2.5/contrib/msvctest/README.txt | MSVC test]] [[ http://cr.yp.to/2004-494/libpng/libpng-1.2.5/projects/msvc/README.txt | MSVC ]] ||
 || [[http://www.linalg.org/ | linbox]] || N || N || N || 1.1.7 || this will be some heavy lifting, mostly due to some heavy templated code. Upstream is willing to merge and help out. <<BR>> See : [[ http://www.apcocoa.org/wiki?title=ApCoCoALib:CompilationInstructions | ApCoCoA ]] ||
 || [[http://m4ri.sagemath.org/ | m4ri]] || Y || Y || Y || 20071224.p1 || MSVC port done by Martin Albrecht and in upstream. ||
 || [[http://perso.ens-lyon.fr/nathalie.revol/software.html | mpfi]] || N || N || N || 1.5.0 || depends on mpfr and gmp, pure C library. Port is simple and will probably be merged upstream <<BR>> See: [[ https://gforge.inria.fr/projects/mpfi/ | Inria-MPFI ]] ||
 || [[http://www.mpfr.org/ | mpfr]] || Y || Y || Y || 2.3.1 || Pure C, Windows make file support welcome upstream, depends on gmp. MSVC project by Brian Gladman exists and is recommended by upstream ||
 || [[http://mpir.org/ | mpir]] || Y || Y || Y || 2.1.1 || [[http://gladman.plushost.co.uk/oldsite/computing/gmp4win.php | MPIR-Windows]] 2.1.1 is built with MSVC 2010 ||
 || [[http://www.shoup.net/ntl/ | ntl]] || Y || P || Y || 5.5.2 || works fine with MSVC. Some functions like the time functions use old and crappy Win95+ interfaces. That can be easily fixed. It is very difficult to get fixes merged upstream, but the potential diff is rather small. The build requires Perl for a tuned build [[upstream merging probably isn't as hard as you think. The NTL author is a number theorist that many of "us", e.g,. John Cremona, know well.]] <<BR>> See: [[ http://www.shoup.net/ntl/doc/tour-win.html | MSVC 6 ]] ||
 || [[ http://www.openssl.org/ | openssl ]] || Y || Y || Y || 0.9.8o || required by Python - builds fine with MSVC (32 bits at least) <<BR>> [[ http://www.slproweb.com/products/Win32OpenSSL.html | MSVC6, 2008 ]] ||
 || [[http://pari.math.u-bordeaux.fr/ | pari]] || Y || P || Y || 2.3.3 || Some build support exists in tree, but it is currently broken. Support from the maintainers exists and they are willing to integrate fixes upstream. The main issue is to get the build system play nice for MinGW+MSVC. <<BR>> [[http://groups.google.com/group/sage-windows/browse_thread/thread/1e5b3f7f3f0867e8 | for 64 bit MSVC ]] [[ http://www.axelvogt.de/axalom/pari/dev-cpp/readme_pari_maple.txt | MSVC6 ]]||
 || [[http://polybori.sourceforge.net/ | polybori]] || N || N || N || 0.6.5 || no Windows port, could be tricky, but upstream is willing to cooperate. [[worry??]] ||
 || [[http://pynac.sagemath.org/ | pynac]] || N || N || N || XXXX || Created for and by Sage ||
 || [[http://www.python.org/ | python]] || Y || Y || Y || 3.2 || excellent support for MSVC, 32 & 64 bit mode. [[yep, very very good support on windows]] [[http://bugs.python.org/issue5235 | Only MSVC 2008]] <<BR>> [[ http://nukeit.org/compile-python-2-7-packages-with-visual-studio-2010-express/ | Python 2.7 in MSVC 2010 ]]||
 || [[http://www.mathe2.uni-bayreuth.de/stoll/programs/index.html | ratpoints]] || N || N || N || 2.1.3 || Windows port doesn't exists. Not even windows distribution of any kind. Except through Sage-VMWare ||
 || [[http://tiswww.case.edu/php/chet/readline/rltop.html | readline]] || P || P || P || 6.1 || port exists: http://gnuwin32.sourceforge.net/packages/readline.htm. Since that port uses MinGW we need to either use MinGW 64 bit or do an MSVC port ourselves. [[http://cpedia.com/wiki?q=GNU+readline&guess_ambig=LP+Muds+GNU+readline | Cuil Search ]] <<BR>> [[ http://mirrors.fe.up.pt/pub/octave/README.MSVC | Readline through Octave MSVC ]] [[ http://pypi.python.org/pypi/readline/ | Python Readline ]] ||
 || sage_scripts || || || || 2.10.2.alpha0 || requires POSIX shell - no idea what it does ||
 || [[http://pypi.python.org/pypi/setuptools/ | setuptools]] || Y || Y || Y || XXXX || may be required by multiple packages ||
 || [[http://www.singular.uni-kl.de/ | singular]] || N || N || N || 3.1.1 || Cygwin only, but needs even work there to run properly (libSingular) Needs to be ported to MSVC, upstream very willing to help out, but lacks expertise. Various issues like memory managment (omalloc) need to be sovled (malloc fallback), but build system issues and stuff like signals make this a bigger job. I would assume this is one of the two heavy jobs together with pexpect. [[This is probably quite hard. And interesting. At least singular builds under cygwin, which is a good sign, I guess.]] ||
 || [[http://www.sqlalchemy.org/ | sqlalchemy]] || Y || Y || Y || || Pure python, hence no problem ||
 || [[http://www.sqlite.org/ | sqlite]] || Y || Y || P || 3.7.0.1 || pure Windows port exists (see http://www.sqlite.org/download.html), required by Python - builds fine with MSVC (32 bits at least) [[ http://www.sqlite.org/cvstrac/wiki?p=HowToCompile | Sqlite How to Compile ]] <<BR>> [[http://www.infinitezest.com/articles/compiling-sqlite-with-visual-studio-2008.aspx | Compiling SQLite with Visual Studio 2008 ]] ||
 || [[http://www.algorithm.uni-bayreuth.de/en/research/SYMMETRICA/ | symmetrica]] || N || N || N || 2.0 || no Windows port yet, but macro heavy. [[worrisome.]] ||
 || [[http://www.tcl.tk/software/tcltk/|tcl]] || Y || Y || Y || Y || Required by Python's IDLE - builds fine with MSVC (32 bits at least) <<BR>> [[ http://wiki.tcl.tk/11431|Building Tcl with the free VC++ toolkit ]]||
 || [[http://www.catb.org/~esr/terminfo/ | termcap]] || Y || N || N || 1.3.1 || port exists: http://gnuwin32.sourceforge.net/packages/termcap.htm. Since that port uses MinGW we need to either use MinGW 64 bit or do an MSVC port ourselves - basic posix, capabilities can be provided by ncurse. Clearly a very difficult port. ||
 || [[http://www.tcl.tk/software/tcltk/|tk]] || Y || Y || Y || Y || Required by Python's IDLE - builds fine with MSVC (32 bits at least) <<BR>> [[http://www.adras.com/Newbie-Tcl-Tk-build-problem.t657-56.html | Tcl/Tk build problem]]||
 || [[http://cims.nyu.edu/~harvey/code/zn_poly/ | znpoly]] || N || N || N || 0.9 || No port. Not even any windows distribution, but mostly pure C. Small amount of assembly language pulled from longlong.h in GMP (see MPIR) ||

== Other dependencies of Sage (may be omitted for now) ==

 || Website || Win32 || Win64 || MSVC || Version || Comments ||
 || [[http://docutils.sourceforge.net/ | docutils]] || || || || XXXX || pulled by docutils and sphinx ||
 || [[http://ecls.sourceforge.net/ | ecl]] ||Y || P ||Y || XXXX || See [[http://ecls.wikispaces.com/VCExpress | MSVC 2008 ]] and [[ http://www.microsoft.com/downloads/details.aspx?familyid=bd2a6171-e2d6-4230-b809-9a8d7548c1b6&displaylang=en | MSVC 2008 Redistributable Package(64) ]]||
 || [[http://www.netlib.org/f2c/ | f2c]] || Y || Y || Y || 2.9.9 || part of scikits, should work with MSVC <<BR>> [[ http://www.netlib.org/f2c/README | MSVC instructions ]] - probably not really needed any more ||
 || [[http://www.freetype.org/ | freetype]] || Y || Y || [[http://www.freetype.org/freetype2/index.html#requirements|Y]]|| 2.3.5 || unclear if it is even required on Windows - clearly not needed for command line sage <<BR>> [[http://libagar.org/docs/compile-msvc.html.en|Building Agar based freetype on MSVC]]||
 || [[http://www.hpl.hp.com/personal/Hans_Boehm/gc/ | gc]] || || || || XXXX || Required by ECL - consider using another Lisp?? - this is really difficult code ||
 || [[http://www.g95.org/ | g95]] || Y || P || N || 0.92 || See: [[http://www.g95.org/downloads.shtml#Win | MinGw gcc-4.0.3]] ||
 || [[http://www.libgd.org/Main_Page | gd]] || Y || P || Y || 2.0.34 || port exists: http://gnuwin32.sourceforge.net/packages/gd.htm. Since that port uses MinGW we need to either use MinGW 64 bit or do an MSVC port ourselves.<<BR>> See: [[ http://www.libgd.org/Building | MSVC build]] ||
 || [[http://www.gnu.org/software/gnutls/ | gnutls]] || Y || Y || Y || 2.10.1 || Shortly the spkgs for libgpg_error, libgcrypt and opencdk will disappear since gnutls now includes copies of them. gnutls has build support for 32 bit MSVC, the feasability of the 64 bit build needs to be investigated. Problems might crop up with inline assembly. [[maybe there is a native windows library that provides similar functionality. This is only needed so Twisted works with Python, and I'm sure that is already very well supported.]] - used by the notebook <<BR>> [[http://josefsson.org/gnutls4win/README| Instructions for the Windows port of GnuTLS ]] ||
 || [[http://directory.fsf.org/project/libgcrypt/ | libgcrypt]] || Y || Y || Y || 1.4.6 || Used by the notebook <<BR>>[[http://sourceforge.net/projects/gpgvs/|gpgvs MSVC]][[http://lists.gnupg.org/pipermail/gcrypt-devel/2005-October/000871.html|msvs workspaces]]||
 || [[http://www.gnupg.org/related_software/libgpg-error/ | libgpg_error]] || Y || Y || Y || 1.6.p0 || Used by the notebook <<BR>>[[http://sourceforge.net/projects/gpgvs/|gpgvs MSVC]]||
 || [[http://mercurial.selenic.com/wiki/ | mercurial]] || Y || Y || Y || 1.6.3 || some C extensions, maybe some portability issues, might need some TLC for various config issues - used for Sage development source code management and really doesn't need to be "ported" - it just needs to run on Windows, which I am sure it does just fine <<BR>>[[http://mercurial.selenic.com/wiki/WindowsInstall#MS_Visual_Studio| MSVC Build Tips]]||
 || [[http://www.gnu.org/software/gnutls/ | opencdk]] || || || || 0.6.6 || Used by the notebook ||
 || [[http://www.pythonware.com/library/index.htm | pil]] || || || || XXXX || Used by notebook?? ||
 
== Runtime dependencies of Sage (these are probably only needed at runtime for specific functionality) ==

 || Website || Win32 || Win64 || MSVC || Version || Comments ||
 || [[http://www.ifor.math.ethz.ch/~fukuda/cdd_home/ | cddlib]] || N || N || N || 094b.p1 || unclear how hard the port will be, but shouldn't be too hard. ||
 || cu2 || || || || || ||
 || cubex || || || || || ||
 || [[http://abel.ee.ucla.edu/cvxopt/ | cvxopt]] || Y || N || N || 0.9.p5 || Has Windows build support, provides binary packages ||
 || dikcube || || || || || ||
 || examples || || || || 2.10.2.alpha0 || no compiled code, i.e. no problem ||
 || extcode || || || || XXX || various code in interpreted languages, i.e. javascript, java, Magma, pari, singular, no porting issues ||
 || flintqs || || || || 20070817.p2 || is obsolete, but should build fine once FLINT works, C99 mode required ||
 || [[http://www-groups.dcs.st-and.ac.uk/~gap/ | gap]] || || || || 4.4.10.p2 || Depends on sbrk(), currently builds only via Cygwin. [[a cygwin build could be fine for us, since there is no binary linking between sage and gap, and almost certainly there never will be any.]] ||
 || gap-guava || || || || || ||
 || [[http://newcenturycomputers.net/projects/gdmodule.html | gdmodule]] || || || || 0.56.p4 || should be pretty easy to do for MSVC [[Boothby told me this swig-generated "crap" will be removed from sage soon, he hopes.]] ||
 || [[http://www.math.u-bordeaux.fr/~liu/G2R/ | genus2reduction]] || || || || 0.3.p1 || unclear, don't really see any problem [[easy, probably; it's just math]] ||
 || [[http://www.math.tu-berlin.de/~jensen/software/gfan/gfan.html | gfan]] || || || || 0.2.2.p2 || unclear how hard the port will be, but shouldn't be too hard. [[we should upgrade to 0.2.3 first]]. Some more remarks: gfan requires argv[0] to switch to the right computation. I.e. during installation the following is executed: "ln -s gfan gfan_weightvector". This should be portable, but symlinks can be problematic on Windows. ||
 || [[http://ipython.scipy.org/moin/ | ipython]] || || || || 0.8.1.p1 || should work fine with MSVC [[definitely will work fine.]] ||
 || [[http://jinja.pocoo.org/ | jinja]] || || || || XXXX || ||
 || [[http://jmol.sourceforge.net/ | jmol]] || || || || 11.5.2.p1 || pure java, no portability issues, large community of users on Windows ||
 || [[http://www.math.union.edu/~dpvc/jsMath/ | jsmath]] || || || || XXXX || ||
 || [[http://matplotlib.sourceforge.net/ | matplotlib]] || || || || 0.91.1.p3 || should work with MSVC, more investigation is needed [[I'm sure this will work -- it is also part of what the enthought people distribute for windows.]] ||
 || [[http://maxima.sourceforge.net/ | maxima]] || || || || 5.13.0.p2 || Should build fine with Clisp, Windows binary package exists. ||
 || mcube || || || || || ||
 || sage-notebook || || || || || ||
 || [[http://www.math.ucf.edu/~reid/Rubik/optimal_solver.html | optimalrubik]] || || || || 20070912.p1 || no Windows port, but simple C/C++ code without any POSIX dependencies. Console applications [[easy?]] ||
 || [[http://hep.itp.tuwien.ac.at/~kreuzer/CY/CYpalp.html | palp]] || || || || 1.1.p1 || unclear how hard the port will be, but shouldn't be too hard. ||
 || [[http://www.noah.org/wiki/Pexpect | pexpect]] || || || || 2.0.p1 || Difficult. pexpect uses pseudo ttys and a whole bunch of POSIX infrastructure. It is essential and central to Sage and no one has ported pexpect to Windows. While the API is very different it is still possible to map all functionality to native Windows API calls. Instead of porting pexpect, it might be possible to do something different that accomplishes the same thing. pexpect was the way to go with Python and Unix. It's possibly OK if this means rewriting SAGE_ROOT/devel/sage/sage/interfaces/ for this new approach. Some of the programs Sage interfaces with have native "client server" archicture, and that could perhaps be used instead. E.g., Maple and Mathematica do. Maxima almost certainly doesn't... ||
 || [[http://www.amk.ca/python/code/crypto | pycrypto]] || || || || 2.0.1.p1 || unclear how hard the port will be, but shouldn't be too hard. [[maybe trivial??]] ||
 || python_gnutls || || || || 1.1.4.p2 || Should work, uses dlopen based mechanism. Is essential to the notebook, but can be dropped in favour of system's OpenSSL compatible library ||
 || [[http://www.r-project.org/ | r]] || || || || 2.6.1.p14 || Existing MinGW port, not too difficult to build. Port to MSVC desired. [[They don't already have a native MSVC port? Wow. That's amazing.]] ||
 || sage-doc || || || || || ||
 || sage-latex || || || || || ||
 || [[http://rpy.sourceforge.net/ rpy]] || || || || 1.0.1.p1 || Support for MSVC in 32 bit mode with MSVC. No Cygwin support, but patch by Abshoff exists ||
 || [[http://sphinx.pocoo.org/ | sphinx]] || || || || XXXX || ||
 || sympow || || || || 1.018.1.p4 || tricky code that needs the right FPU flags set. Otherwise no big hurdles to overcome ||

== Packages with upstream MSVC support ==

 || Website || Win32 || Win64 || MSVC || Version || Comments ||
 || [[http://numpy.scipy.org/ | numpy]] || || || || 20080104-1.0.4.p2 || support by enthought, builds out of the box with MSVC + ATLAS ||
 || [[http://www.scipy.org/ | scipy]] || || || || 20071020-0.6.p3 || support by enthought, builds out of the box with MSVC + ATLAS ||
 || scipy_sandbox || || || || 20071020.p2 || support by enthought, builds out of the box with MSVC + ATLAS ||
 || [[http://www.scons.org/ | scons]] || || || || 0.97 || works fine on Windows, python based. ||
 || [[http://jedi.ks.uiuc.edu/~johns/raytracer/ | tachyon]] || || || || 0.98beta.p4 || Windows port exists, unsure about MSVC + threading. ||
 || [[http://www.scipy.org/Weave | weave]] || || || || 0.4.9 || now part of scikits, works fine with MSVC ||
 || [[http://www.zlib.net/ | zlib]] || || || || 1.2.3.p3 || port exists: http://gnuwin32.sourceforge.net/packages/zlib.htm Microsoft ships a copy under some name, so we might be able to "just" use the system one. ||
 || [[http://www.zodb.org/ | zodb]] || || || || 3.7.0.p0 || mostly python, unknown difficulty to port [[probably easy]] ||

== Pure Python Packages ==
 || Website || Win32 || Win64 || MSVC || Version || Comments ||
 || moin || || || || 1.5.7.p2 || python based, should work fine on Windows ||
 || [[http://code.google.com/p/mpmath/ | mpmath]] || || || || XXXX || ||
 || [[http://networkx.lanl.gov/ | networkx]] || || || || 0.36.p1 || pure python, no portability issues ||
 || [[http://code.google.com/p/sympy/ | sympy]] || || || || 0.5.7 || pure python, no portability issues. ||
 || [[http://twistedmatrix.com/trac/ | twisted]] || || || || 2.5.0.p9 || python, is supported, relevant to notebook ||

== Packages without code ==
 || Website || Win32 || Win64 || MSVC || Version || Comments ||
 || conway_polynomials || N/A || N/A || N/A || 0.2 || platform independent, i.e. no known Windows specific issues [[trivial -- just a pickle]] ||
 || doc || || || || 2.10.2.alpha0 || no compiled code, so no portability issues. ||
 || elliptic_curves || || || || 0.1 || elliptic curve database, so no porting issues ||
 || graphs || || || || 20070722 || graph database, so no porting issues ||
 || polytopes || || || || || ||