On Nov 17, 2009, at 9:55 PM, William Stein wrote:

> On Tue, Nov 17, 2009 at 8:50 PM, Minh Nguyen <[email protected]>  
> wrote:
>> Hi Ajay,
>>
>> On Wed, Nov 18, 2009 at 3:28 PM, Ajay Rawat  
>> <[email protected]> wrote:
>>>
>>> Hello,
>>>
>>>  Is the binary for sage 4.2.1 is available for ubuntu 8.04 (64 bit).
>>
>> There are binaries for Ubuntu 9.10, both 32- and 64-bit. There are no
>> binaries for Ubuntu 8.04 64-bit. If you want a binary for that
>> platform, you could download the source tarball of Sage 4.2.1 and
>> compile the source on that platform.
>
> The binary I build on sage.math.washington.edu (for that machine) may
> work for you, since that machineis a 32-bit Ubuntu 8.04 box:
>
> http://sage.math.washington.edu/home/wstein/binaries/sage-4.2.1-linux-sage.math.washington.edu-x86_64-Linux.tar.gz
>
> Give it a shot.

I think you meant to say it's a *64*-bit Ubuntu 8.04 box. If for some  
reason that doesn't work, building from source is really easy--just  
unpack the .tar, type make, and wait 3-4 hours.

>>>  How it is different from compiling the source package?
>>
>> Each source tarball is shipped with the source of the standard
>> packages that make up Sage. In particular, the Sage standard library
>> is one of many standard packages. A binary of Sage doesn't ship with
>> the source of most standard packages. This is to save space,  
>> otherwise
>> you would get a binary that is bigger in terms of megabytes than
>> currently is the case. However, note that each binary also contains
>> the source of the Sage standard library.

In short, the only difference is that the binary doesn't come with  
(all) the source to save space (and, of course, you don't have to wait  
for it to build).

- Robert

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