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PARI/GP is a widely used computer algebra system designed for fast computations in number theory (factorizations, algebraic number theory, elliptic curves...), but also contains a large number of other useful functions to compute with mathematical entities such as matrices, polynomials, power series, algebraic numbers etc., and a lot of transcendental functions. PARI is also available as a C library to allow for faster computations.

Originally developed by Henri Cohen and his co-workers (Université Bordeaux I, France), PARI is now under the GPL and maintained by Karim Belabas with the help of many volunteer contributors.

Website: http://pari.math.u-bordeaux.fr/



SPKG Maintainers

  • Craig Citro
  • William Stein
  • Michael Abshoff

Upstream Contact


  • gmp

Build Notes

Here is how to build a new version of the PARI SAGE spkg:

  • 1) Get the latest stable source code from
    • (NOTE -- just like last time, at some point the devel version will be
      • the way to go, since that's where all the bug fixes are.
      • The PARI stable/devel model is complicated.)
    2) Extract the above code and make it the directory src in the current directory. 3) Type ./spkg-dist in the above directory.

    4) Extract the file galdata.tgz from http://pari.math.u-bordeaux.fr/download.html

    • in the directory pari-*/src/

Note from David Kirby that could be relevant to building on Solaris:

Since pari is using -xarch=native, which implies -xarch=v8plusa on my box, but I set -xarch=v8plus (without the last a), this probably means there will be different types of object files and so they may not link together. Ick. Feel free to tell me how to modify the configure script.

I got around it by setting CFLAGS -xarch=v8plus myself, so they were all the same. But it is not right. I have not looked at pari to see exactly where it says native, but I would expact a grep to find it.


pari-2.3.3.p0 (Michael Abshoff, Feb. 18th, 2008)

  • apply Karim's hnf patch
  • add OSX 10.5 64 bit build support

pari-2.3.3 (William Stein)

  • upgrade to the 2.3.3 release


* 2007-10-31: (Carl Witty)

  • disable runpath altogether; we want Sage to be relocatable. install gphelp, and required documentation source files.

* 2007-09-09: (Michael Abshoff)

  • add -fPIC to DCLFLAGS on Linux PPC in src/config/get_dlcflags

* 2007-03-04: included Pablo De Napoli ([email protected])'s

  • improvement so PARI will build on systems with runpath support. See sage/runpath.txt for details.

* 2006-09-28: (William Stein and Justin Walker)

  • Modified PARI build scripts so that they build the PARI *shared* library even under OS X, and on OS X intel they build the x86/gmp kernel.

* I took the standard PARI tarball, but ran the script spkg-dist on it

  • to create this directory. This script does various things to some of the PARI files to make them work better with SAGE, the most important being to replace calls to exit() with calls to abort().

* Also, I placed a directory "sage" in this directory with some files

  • needed by spkg-install.

* This changed removed -- 09/28/2006 #* I changed a line of config/Makefile.SH to # DLLDFLAGS = $DLLDFLAGS -mimpure-text

* Put the extra galois groups data files in the data/galdata subdirectory,

spkg/pari (last edited 2008-11-14 13:42:00 by localhost)