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19.06.2005

Re: BOINC-Client für OS/2 (seti@home)? (von: setiraz, 12:59:37)

« ^

Date: Sat, 18 Jun 2005 17:34:25 -0000
From: "kemyers91384" <keithmyers@comcast.net>
To: seti-warp@yahoogroups.com
Subject: [seti-warp] Compiling pitfalls explained - any programmers want another shot

My plea for help on the BOINC developer boards has elicited this
response from Walt Gribben who seems to know the reasons why Chris
Graham and David Forrester failed to compile the BOINC source code.
The BOINC platform is a client/server application and so is the
client, UNLESS you compile with a switch turning OFF inclusion of
server code in the client. This is why the previous attempts made
mention of MySQL resources not being available.

Any programmers want to take another shot at compiling the boinc
client code for us OS2/eCS users? Here is the reply I got from Walt:

Keith,

Not being a programmer is definitely a handicap. However there are
two
pieces to this - getting the proper "environment" set up so it
compiles and
making changes to the source code so it runs. The environment -
source
code, libraries, utilities, compilers - is more of a system admin
task
which doesn't take programming skills.

From reading a few messages on the SetiWarp forum, I don't think the
people had the right setup. I had that problem on Windows, until I
duplicated the developers setup _exactly_. Then it was a breeze. And
much
of the documentation on compiling BOINC is pretty recent and not all
that
easy to find.

Does anyone working on the port have access to a Linux system? It
would be
much easier to get boinc and seti compiled first on Linux. Idea is
to
figure out how the whole thing is set up and what it takes to compile
it. Then try duplicating that on an OS/2 system. A page on running
OS/2
and Linux together is at
<http://www.scoug.com/warpexpowest/presentations/linux.html>;.

One thing to remember, both the boinc and seti source branches contain
code
for the client (the piece that runs on users PC's) _and_ the server.
So
you have to tell the build process you don't want server code. And
theres
two branches - boinc and boinc_public. The boinc_public branch has
the
latest source, but the Seti app uses the boinc branch.

The main page on compiling BOINC is
<http://boinc.berkeley.edu/compile.php>;, it has links to most of the
info
needed to build the programs.

Useful info is "Software Prereqs":
<http://boinc.berkeley.edu/build.php>;. Nice matrix for what software
is
needed for the various programs that make up "boinc".

Building BOINC on Unix: <http://boinc.berkeley.edu/build_system.php>;.
It
shows the configure options. One of the more important ones is
--disable-server. That says not to build any of the server code,
which is
what uses the mysql database. (Or it might look for the database
anyways
even though its not needed for the client).

Unfortunately, that shows what the options are, but not how to use
them. Read "Building BOINC and BOINC Applications on Linux":
<http://noether.vassar.edu/~myers/help/boinc/boinc-on-linux.html>; for
requirements and instructions for a couple of Linux distributions.
Thats
for building both the client and server code, so keep the
--disable-server
configure option in mind.

Back in March there were several good messages on setting up and
compiling
the code. The thread index for one such thread is
<http://www.ssl.berkeley.edu/pipermail/boinc_dev/2
005-March/thread.html#1880

> (starting at message 1880). And theres useful info in some of the
other
essages also.

Ned Slider did extensive work compiling optimized versions for
various
CPU's. He put together a FAQ on Linux, including a section on
compiling it
near the bottom. FAQ is at
<http://forums.pcper.com/showthread.php?t=349185>;, his seti forum is
<http://forums.pcper.com/forumdisplay.php?f=17>;.

Theres a page with links to boinc/seti ports -
<http://boinc.berkeley.edu/download_other.php>;. Stefan Urbat has
tPowerPC
and HPUX listed, SOLARIS@x86 did one for Solaris. So there have been
successful ports to non-supported platforms. The sites linked to for
these
two include source code and compile instructions, which might help in
porting to OS/2.

Just a few more things.

Theres no longer any gui code in boinc (its in boincmgr), so porting
it
should be easier. Boincmgr isn't actually required, other command
line
programs/scripts can be run to control boinc. Not that easy to use
but
does lessen the effort needed to port.

Has anyone looked at Odin? Does it work well enough to work
"translate"
boinc and the seti app? The page at <http://odin.netlabs.org/>;
doesn't say
much and last update was around 6 months ago. Maybe it'll let you run
the
Windows version of BOINC.

Have you seen "Linux Personality for OS/2" -
<http://elfldr.netlabs.org/>;
-? Supposed to let you run Linux binaries on OS/2. Probably not, not
much
there and it hasn't been updated since 2002.

Some areas that are different between OS/2 and Linux are shared
libraries,
threads, attaching new processes and shared memory. Thats pretty
consistent with other platforms also, one reason to check out the
other
ports. IBM has a lot on porting OS/2 apps to Linux:

<http://www-106.ibm.com/developerworks/eserver/art
icles/linux_c.html?t=gr,p1

0=OS2toLinux>
<http://www-106.ibm.com/developerworks/linux/library/l-osmig2.html>;
Mhttp://www.ibm.com/developerworks/library/l-osmig3.html>;

While these talk about porting to Linux, they can also be used to do
the
reverse.

Last, when searching the boinc forums/message boards, its important
to
click the "search" button instead of pressing the enter key after
typing
the search argument. Just pressing the enter key ends up sending an
empty
search string, which won't get any results. A major PITA, but thats
how it
works.

Walt

[walt@dual walt]$ uptime
03:04:52 up 215 days, 5:53, 2 users, load average: 2.00, 2.01,
2.00

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