[overture] Re: Building v24 on Blue Gene P

  • From: "J. P. Bernstein" <astro@xxxxxxx>
  • To: overture@xxxxxxxxxxxxx
  • Date: Tue, 3 Apr 2012 11:17:30 -0500

Thanks, Bill.

I was able to get around the mogl.o missing target error when I replaced mogl 
with moglNull in the following:

$Overture/Makefile.in:178:             static/mog.C static/overlay.c 
static/initOvertureGlobalVariables.C \

$Overture/lib/Makefile.in:219:RapsodiStaticFiles= ../static/mogl.o 
../static/overlay.o ../static/initOvertureGlobalVariables.o \

$Overture/static/Makefile.in:25:Source=  mogl.C overlay.C 
initOvertureGlobalVariables.C initStaticMappingVariables.C \

$Overture/tests/Makefile.in:24:giMain = giMain.o ../static/mogl.o 
../static/overlay.o 

Erik, in particular, can you please take a look at the rest of this message 
(though comments are most welcome from anyone, of course)?

Now the build dies with:

--------------------
mpixlcxx_r -qarch=450d -qtune=450 -qmaxmem=16384 
-I/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include -I.   
-I/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include 
-DBL_USE_DOUBLE -DBL_Solaris   -g -DUSE_PPP -I/include -I/GLUT  -I/include  -c 
moglNull.C
mpixlc_r -qarch=450d -qtune=450 -qmaxmem=16384  
-I/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include -I.   -g -DSHM 
-DUSE_PPP -I. -I/include -I/include -c overlay.c
"overlay.c", line 236.21: 1506-356 (W) Compilation unit is empty.
mpixlcxx_r -qarch=450d -qtune=450 -qmaxmem=16384 
-I/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include -I.   
-I/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include 
-DBL_USE_DOUBLE -DBL_Solaris   -g -DUSE_PPP -I/include -I/GLUT  -I/include  -c 
initOvertureGlobalVariables.C
"moglNull.C", line 31.10: 1540-0836 (S) The #include file <GL/glu.h> is not 
found.
make[1]: *** [moglNull.o] Error 1
make[1]: *** Waiting for unfinished jobs....
"/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include/A++.h",
 line 1405.21: 1540-1091 (W) The friend declaration "APP_view" specifies a 
default argument expression and is not a definition.
. . .
"/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include/p_inline_func.h",
 line 465.12: 1540-1103 (W) The address of a local variable or temporary is 
used in a return expression.
. . .
make[1]: Leaving directory 
`/gpfs/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/static'
make: *** [all] Error 2
--------------------

I found the solution is to comment out the following in 
$Overture/static/moglNull.C

#include <GL/glu.h>

Next, the build fails with:

--------------------
mpixlcxx_r -qarch=450d -qtune=450 -qmaxmem=16384 
-I/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include -I.   
-I/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include 
-DBL_USE_DOUBLE -DBL_Solaris   -g -DUSE_PPP -I/include -I/GLUT  -I/include  -c 
initStaticMappingVariables.C
"/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include/A++.h",
 line 1405.21: 1540-1091 (W) The friend declaration "APP_view" specifies a 
default argument expression and is not a definition.
. . . 
"/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include/mogl.h", line 
40.11: 1540-0063 (S) The text "*" is unexpected.
"/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include/mogl.h", line 
197.42: 1540-0063 (S) The text "left" is unexpected.
"/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include/mogl.h", line 
201.42: 1540-0063 (S) The text "left" is unexpected.
"/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include/mogl.h", line 
205.49: 1540-0040 (S) The text "aspectRatio" is unexpected.  "GLdouble" may be 
undeclared or ambiguous.
"/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include/mogl.h", line 
210.41: 1540-0040 (S) The text "fovy" is unexpected.  "GLdouble" may be 
undeclared or ambiguous.
"moglNull.C", line 176.33: 1540-0063 (S) The text "GLdouble" is unexpected.
"moglNull.C", line 180.33: 1540-0063 (S) The text "GLdouble" is unexpected.
"moglNull.C", line 184.40: 1540-0063 (S) The text "GLdouble" is unexpected.
"moglNull.C", line 189.32: 1540-0063 (S) The text "GLdouble" is unexpected.
"/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include/P++.h",
 line 1339.21: 1540-1091 (W) The friend declaration "APP_view" specifies a 
default argument expression and is not a definition.
. . .
"/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include/p_inline_func.h",
 line 465.12: 1540-1103 (W) The address of a local variable or temporary is 
used in a return expression.
make[1]: *** [moglNull.o] Error 1
make[1]: *** Waiting for unfinished jobs....
"/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include/p_inline_func.h",
 line 465.12: 1540-1103 (W) The address of a local variable or temporary is 
used in a return expression.
. . .
make[1]: Leaving directory 
`/gpfs/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/static'
make: *** [all] Error 2
--------------------

It looks to me that mogl.h still has to be included in order to define things 
needed to create the empty stubs for mogl functions. Is that correct, Erik? 
While I continue to look into this, can you please comment on the errors?

Best,

Joe


On Apr 2, 2012, at 5:54 PM, Bill Henshaw wrote:

> Hi Joe:
>   The Overture/configure script should replace mogl.C with moglNull.C
> in the Overture/static directory and compile that.
> 
>  mogl.C is the Motif/OpenGL interface and is where all Motif code is located.
> 
> ...Bill
> 
> 
> On 04/02/2012 03:20 PM, J. P. Bernstein wrote:
>> Hello Bill, Kyler, Erik,
>> 
>> I was able to patch v24 with Erik's patches enabling noGL and noPERL config 
>> options in addition to noX11 (I am still working on getting Mesa compiled 
>> for the BG/P backend to have the option to go with just noX11 and noPERL).
>> 
>> The build runs for many minutes and then dies with:
>> 
>> make[1]: Entering directory 
>> `/gpfs/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/static'
>> perl ../config/makeDepend -f depend -Y -- 
>> -I/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/include -I.   
>> -I/home/jpbernst/Code/Overture/LLNL-CISM/A++P++-0.8.0/P++/install/include 
>> -DBL_USE_DOUBLE -DBL_Solaris -- mogl.C overlay.C 
>> initOvertureGlobalVariables.C initStaticMappingVariables.C xColours.C 
>> ReferenceCounting.C OvertureInit.C RapsodiInit.C memoryUsage.C
>> make[1]: *** No rule to make target `mogl.o', needed by `static_date'.  Stop.
>> make[1]: *** Waiting for unfinished jobs....
>> run makedepend ...
>> ...done
>> touch depend_date
>> make[1]: *** Waiting for unfinished jobs....
>> make[1]: Leaving directory 
>> `/gpfs/home/jpbernst/Code/Overture/LLNL-CISM/Overture.v24/static'
>> make: *** [all] Error 2
>> 
>> Is mogl related to OpenGL? That is, Erik, is that something that the noGL 
>> config option should deprecate? In the $Overture/static, I see moglNull.C. . 
>> .
>> 
>> Best,
>> 
>> Joe
>> 
>> ----- Original Message -----
>> From: "J. P. Bernstein"<astro@xxxxxxx>
>> To: overture@xxxxxxxxxxxxx
>> Sent: Monday, April 2, 2012 3:29:11 PM
>> Subject: [overture] Re: Building v24 on Blue Gene P
>> 
>> Hello Bill,
>> 
>> Would you be able to send me some information about specific machines 
>> Overture has been run on and some performance metrics on those machines? I 
>> am putting together an application for discretionary time on the Argonne 
>> Blue Gene/P and including such information would be very beneficial.
>> 
>> Best,
>> 
>> Joe
>> 
>> ----- Original Message -----
>> From: "Bill Henshaw"<henshaw@xxxxxxxx>
>> To: overture@xxxxxxxxxxxxx
>> Sent: Saturday, March 31, 2012 5:36:18 PM
>> Subject: [overture] Re: Building v24 on Blue Gene P
>> 
>> Thanks Erik,
>>    I had forgot that you had built a null version of OpenGL.
>> ...Bill
>> 
>> On 03/29/2012 03:58 PM, Erik Wilson wrote:
>>> Similar to the noX11 flag, the patch I sent (attached for everyone else)
>>> add options for noGL and noPERL configure flags. OpenGL functionality is
>>> removed via a null implementation; just in case Mesa proves too
>>> difficult to compile.
>>> 
>>> Cheers,
>>>    -Erik
>>> 
>>> On 03/28/2012 02:54 PM, J. P. Bernstein wrote:
>>>> Thanks, Bill.
>>>> 
>>>> Can you please clarify if those changes are in v24, or if you are 
>>>> referring to changes post v24?
>>>> 
>>>> Indeed, I am close to compiling Mesa on BG/P. I am getting a failure due 
>>>> to the compiler not being recognized at the latter stage of compiling 
>>>> libmesa itself. I am corresponding with the Mesa folks about that.
>>>> 
>>>> Thanks for your offer of help regarding the perl script. I am handy with 
>>>> perl, so I agree that that step should not be hard.
>>>> 
>>>> Best,
>>>> 
>>>> Joe
>>>> 
>>>> ----- Original Message -----
>>>> From: "Bill Henshaw"<henshaw@xxxxxxxx>
>>>> To: overture@xxxxxxxxxxxxx
>>>> Sent: Wednesday, March 28, 2012 4:48:51 PM
>>>> Subject: [overture] Re: Building v24 on Blue Gene P
>>>> 
>>>> Hi Joe,
>>>>        As Kyle noted, I have already made the changes to optionally remove 
>>>> the
>>>> dependencies on X and Motif. My plan was to still link to OpenGL, this 
>>>> should
>>>> not be a big deal.
>>>> 
>>>>       It is a simple matter to write a perl program that can convert a
>>>> command file to one that does not need perl. I can help
>>>> you with that.
>>>> 
>>>> ...Bill
>>>> 
>>>> 
>>>> 
>>>> On 03/28/2012 01:07 PM, Chand, Kyle K. wrote:
>>>>> Hi Joe,
>>>>> 
>>>>> I think for the OpenGL you can build Mesa without X11 and direct 
>>>>> rendering so you will get the library to link against.  Here is a VisIt 
>>>>> page about how they built Mesa on a BG/P system:
>>>>> http://www.visitusers.org/index.php?title=Building_on_BlueGeneP
>>>>> It is kind of out of date and things might be easier now...
>>>>> 
>>>>> Regards,
>>>>> Kyle
>>>>> 
>>>>> ________________________________________
>>>>> From: overture-bounce@xxxxxxxxxxxxx [overture-bounce@xxxxxxxxxxxxx] On 
>>>>> Behalf Of J. P. Bernstein [astro@xxxxxxx]
>>>>> Sent: Wednesday, March 28, 2012 12:45 PM
>>>>> To: overture@xxxxxxxxxxxxx
>>>>> Subject: [overture] Re: Building v24 on Blue Gene P
>>>>> 
>>>>> Or am I confused. Does CG need the Overture source, Overture compilation 
>>>>> products, or both? If only the source, then I better understand your 
>>>>> point about really what I need to do is divorce Overture and CG form 
>>>>> things.
>>>>> 
>>>>> Best,
>>>>> 
>>>>> Joe
>>>>> 
>>>>> On Mar 28, 2012, at 2:44 PM, J. P. Bernstein wrote:
>>>>> 
>>>>>> Thanks, Kyle.
>>>>>> 
>>>>>> For Overture on BG/P, there is also the issue of X, MOTIF, and OpenGL. 
>>>>>> The CISM folks modified a version of Overture in 2008 to strip those 
>>>>>> things in addition to perl. Building CG alone on BG/P would reduce the 
>>>>>> problem to the CG divorce from those things at the expense of 
>>>>>> additionally divorcing CG from Overture.
>>>>>> 
>>>>>> In the end, it comes down to either divorcing Overture and CG from perl, 
>>>>>> X, MOTIF, and OpenGL, or divorcing Overture from CG and CG from perl, X, 
>>>>>> MOTIF, and OpenGL (I am not yet sure the extent to which CG even depends 
>>>>>> on those things). It seems to me that the latter is more sensible, but 
>>>>>> make that statement as a mere Overture initiate. What do you and the 
>>>>>> experts say?
>>>>>> 
>>>>>> Best,
>>>>>> 
>>>>>> Joe
>>>>>> 
>>>>>> On Mar 28, 2012, at 2:19 PM, Chand, Kyle K. wrote:
>>>>>> 
>>>>>>> Hi Joe,
>>>>>>> 
>>>>>>> Really you will be divorcing Overture and CG from perl, which is 
>>>>>>> doable.  Stripping calls from Overture is easy, you just need to 
>>>>>>> hack/replace Ogshow/OvertureParser.C when building it on the BG/P 
>>>>>>> backend.  Generating perl-less command files on your mac will not be 
>>>>>>> that hard though it may involve some adjustments to the way overture's 
>>>>>>> command interpreter records the playback commands.  It may also be 
>>>>>>> possible to do it with a simple perl script that reads a command file 
>>>>>>> line by line, interprets each line ending in a semi-colon and 
>>>>>>> string-interpolates the remaining lines, outputting the interpolated 
>>>>>>> lines to a perl-less command file.
>>>>>>> 
>>>>>>> bpp should not be an issue.  It is used to generate code at compile 
>>>>>>> time (only when bpp files have changed) and is never executed at run 
>>>>>>> time.  If executing bpp on the frontend when compiling cg is an issue 
>>>>>>> you can just 'touch' all the source files so that the bpp dependencies 
>>>>>>> are not activated in the build system.  If that does not work then the 
>>>>>>> build system will have to be adjusted to ignore regeneration of bpp 
>>>>>>> generated source code.
>>>>>>> 
>>>>>>> Regards,
>>>>>>> Kyle
>>>>>>> 
>>>>>>> ________________________________________
>>>>>>> From: overture-bounce@xxxxxxxxxxxxx [overture-bounce@xxxxxxxxxxxxx] On 
>>>>>>> Behalf Of J. P. Bernstein [astro@xxxxxxx]
>>>>>>> Sent: Wednesday, March 28, 2012 11:43 AM
>>>>>>> To: overture@xxxxxxxxxxxxx
>>>>>>> Subject: [overture] Re: Building v24 on Blue Gene P
>>>>>>> 
>>>>>>> Hello Kyle,
>>>>>>> 
>>>>>>> I have confirmed with ALCF management that building perl on the backend 
>>>>>>> of the Argonne BG/P is not and will not be supported by the facility 
>>>>>>> due to overhead issues.
>>>>>>> 
>>>>>>> What we are really after is having CG built on the BG/P backend. To us, 
>>>>>>> the most sensible path is to build Overture somewhere else (like my Mac 
>>>>>>> laptop, which has been done), and use it to generate perl-less command 
>>>>>>> files to pass to a CG build on the BG/P backend. Thus, I would like to 
>>>>>>> divorce CG from Overture to the greatest extent possible. How realistic 
>>>>>>> is that goal, from the perspective of the Overture developers?
>>>>>>> 
>>>>>>> The immediate issue that arises with the above is CG's dependency on 
>>>>>>> BPP. How much does CG depended on the extended capabilities of BPP, 
>>>>>>> relative to CPP. In other words, would building BPP on it's own or 
>>>>>>> reverting CG to work with CPP make more sense?
>>>>>>> 
>>>>>>> Best,
>>>>>>> 
>>>>>>> Joe
>>>>>>> 
>>>>>>> ----- Original Message -----
>>>>>>> From: "Kyle K. Chand"<chand1@xxxxxxxx>
>>>>>>> To: overture@xxxxxxxxxxxxx
>>>>>>> Sent: Monday, March 5, 2012 4:24:19 PM
>>>>>>> Subject: [overture] Re: Building v24 on Blue Gene P
>>>>>>> 
>>>>>>> Hi Joe,
>>>>>>> 
>>>>>>> Mechanically, it would not be hard to replace the perl interpreter in
>>>>>>> OvertureParser.C with the python interpreter (or any other
>>>>>>> interpreter, check out Lua!).
>>>>>>> However, it may be a great deal of effort to translate all our command
>>>>>>> files from perl to python.  We do not use perl for regular
>>>>>>> expressions, we use perl for two
>>>>>>> purposes:
>>>>>>> 1) writing perl code to parameterize and generate input to our grid
>>>>>>> generator and solvers, and
>>>>>>> 2) utilize perl's "string interpolation" mechanism to turn command
>>>>>>> file lines like:
>>>>>>> $N=11;
>>>>>>> number of grid lines
>>>>>>> $N $N
>>>>>>> into
>>>>>>> number of grid lines
>>>>>>> 11 11
>>>>>>> 
>>>>>>> Lately we have been using 1) a lot more, often writing perl loops and
>>>>>>> including perl modules to parameterize and automate input generation
>>>>>>> and make things generally more maintainable.
>>>>>>> The mechanism represented by 2) is how 1) eventually gets used.  So,
>>>>>>> it would be a lot of work to re-write many of our more recent (and
>>>>>>> future) command files to use another interpreted language.
>>>>>>> 
>>>>>>> I think the most efficient path would be to strip perl from the BG
>>>>>>> port of the code.  Then use Overture on some other machine to generate
>>>>>>> perl-less, pure text, input for the problems you want to run.  One
>>>>>>> could even
>>>>>>> write a (perl :-) script that reads a command file and sends each line
>>>>>>> ending with a semi-colon to the interpreter and every other line for
>>>>>>> string interpolation, echoing the interpolated line to a "stripped"
>>>>>>> command file.  You would not even need another copy of Overture for
>>>>>>> that.
>>>>>>> 
>>>>>>> Best regards,
>>>>>>> Kyle
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> mailto: chand1@xxxxxxxx
>>>>>>> phoneto: (925) 422 7740
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> On Mar 5, 2012, at 12:09 PM, J. P. Bernstein wrote:
>>>>>>> 
>>>>>>>> Thank you very much, Kyle, for those details.
>>>>>>>> 
>>>>>>>> While I am digesting that, would you care to comment on the notion
>>>>>>>> of replacing perl functionality with python? I am not familiar
>>>>>>>> enough with python or Overture to know, of the top of my head, if
>>>>>>>> python offers the capability needed.
>>>>>>>> 
>>>>>>>> I ask because python is available on the back end of the BG/P at
>>>>>>>> Argonne. Might such a transformation be of interest to you and the
>>>>>>>> Overture team? My job description would allow me to engage
>>>>>>>> considerably on such a task.
>>>>>>>> 
>>>>>>>> Best,
>>>>>>>> 
>>>>>>>> Joe
>>>>>>>> 
>>>>>>>> On Mar 5, 2012, at 12:42 PM, Kyle K. Chand wrote:
>>>>>>>> 
>>>>>>>>> Hi Joe,
>>>>>>>>> 
>>>>>>>>> Well, I have some bad news regarding perl.  Perl is really an
>>>>>>>>> integral part of how we set up problems both for the
>>>>>>>>> grid generator as well as CG solver runs.  Using Overture w/o perl
>>>>>>>>> is kind of like editing C++ files with ed in a terminal window; you
>>>>>>>>> can do it but it is not really suggested :-)  Overture's graphics/
>>>>>>>>> interpreter interface actually starts a perl interpreter
>>>>>>>>> and the text commands are first sent to the interpreter to either
>>>>>>>>> get string interpolation performed or perl statements evaluated.
>>>>>>>>> You can see an example of how this is used in $Overture/sampleGrids/
>>>>>>>>> squareArg.cmd, which parameterizes an ogen
>>>>>>>>> grid generator command file using perl statements.
>>>>>>>>> 
>>>>>>>>> Now, it is probably possible to build Overture without the perl
>>>>>>>>> interpreter linked in, you will have to change OvertureParser.C as
>>>>>>>>> well
>>>>>>>>> as the bin/Makefile to remove references to perl.  Then, however,
>>>>>>>>> you will need to strip perl from any command files you plan to use.
>>>>>>>>> 
>>>>>>>>> The best way to go would be to compile Perl for BGP.  However, if
>>>>>>>>> that is not possible for some reason, here is another way to go:
>>>>>>>>> 1) Build a "full" version of Overture somewhere you can generate
>>>>>>>>> grids and test things out
>>>>>>>>> 2) Modify this "full" version to write the "plain text" command
>>>>>>>>> files after the perl processing is completed, run any command files
>>>>>>>>> you want through it to strip the perl
>>>>>>>>> 3) Build a "perl-less" version for BGP on which you can run perl-
>>>>>>>>> stripped cg command files
>>>>>>>>> 
>>>>>>>>> The easiest way to "strip" command files of perl might be to
>>>>>>>>> intercept the interpolated strings before they get sent to the rest
>>>>>>>>> of Overture
>>>>>>>>> from OvertureParser, I'll have to think about the least-intrusive
>>>>>>>>> way to do that.
>>>>>>>>> 
>>>>>>>>> Regards,
>>>>>>>>> Kyle
>>>>>>>>> PS, I will try to get to your Mac question later today.
>>>>>>>>> 
>>>>>>>>> mailto: chand1@xxxxxxxx
>>>>>>>>> phoneto: (925) 422 7740
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> On Mar 2, 2012, at 5:58 PM, J. P. Bernstein wrote:
>>>>>>>>> 
>>>>>>>>>> Hello Bill,
>>>>>>>>>> 
>>>>>>>>>> Thank you and Kyle for the quick replies to my emails.
>>>>>>>>>> 
>>>>>>>>>> Warning headed. I am on assignment from the Argonne Leadership
>>>>>>>>>> Computing
>>>>>>>>>> Facility (ALCF) on this effort. There is significant interest at
>>>>>>>>>> ALCF to
>>>>>>>>>> at least run the CG solvers on BGP (not necessarily ogen).
>>>>>>>>>> Nevertheless,
>>>>>>>>>> I will share your sentiment with my assigners.
>>>>>>>>>> 
>>>>>>>>>> A question about the perl situation: my initial assessment
>>>>>>>>>> suggested to
>>>>>>>>>> me that perl was needed only for configuring the build and running
>>>>>>>>>> the
>>>>>>>>>> tests. Since perl is available on the front end, the configuration
>>>>>>>>>> part
>>>>>>>>>> should work. Part of my assignment is converting the perl test
>>>>>>>>>> scripts
>>>>>>>>>> to, e.g., python. However, your message below makes me doubt my
>>>>>>>>>> assessment. Are the perl libs, which, as you know, are not
>>>>>>>>>> available on
>>>>>>>>>> the back end, needed at run time beyond the test scripts?
>>>>>>>>>> 
>>>>>>>>>> Best,
>>>>>>>>>> 
>>>>>>>>>> Joe
>>>>>>>>>> 
>>>>>>>>>> On 3/2/2012 6:08 PM, Bill Henshaw wrote:
>>>>>>>>>>> Hi Joe,
>>>>>>>>>>> At one time I did get Overture compiled on the BGP front end at ANL
>>>>>>>>>>> with xlc but I was left
>>>>>>>>>>> with the issue that the perl libraries were not available with
>>>>>>>>>>> BGP. We
>>>>>>>>>>> could work around
>>>>>>>>>>> this if necessary but I prefer not too if possible.
>>>>>>>>>>> 
>>>>>>>>>>> That said, experience tells me that since we have not run
>>>>>>>>>>> Overture on
>>>>>>>>>>> BGP then you
>>>>>>>>>>> are likely to have problems that will be very hard for you to fix.
>>>>>>>>>>> Therefore this is just a warning
>>>>>>>>>>> that the path you are on may lead to great misery and despair ...
>>>>>>>>>>> 
>>>>>>>>>>> ...Bill
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> J. P. Bernstein wrote:
>>>>>>>>>>>> Hello,
>>>>>>>>>>>> 
>>>>>>>>>>>> I am trying to build Overture.v24 on Blue Gene P (BG/P).
>>>>>>>>>>>> In an attempt to add a BG/P configuration for A++, I looked for
>>>>>>>>>>>> the
>>>>>>>>>>>> following config file mentioned in the A++ README file:
>>>>>>>>>>>> A++/config/config.options
>>>>>>>>>>>> but was not able to find the file or the directory mentioned in
>>>>>>>>>>>> the
>>>>>>>>>>>> A++ directory tree.
>>>>>>>>>>>> 
>>>>>>>>>>>> I was able to build A++ without errors with the following
>>>>>>>>>>>> configure
>>>>>>>>>>>> command:
>>>>>>>>>>>> 
>>>>>>>>>>>> ./configure --with-CC=mpixlc_r --with-CFLAGS="-qarch=450d -
>>>>>>>>>>>> qtune=450"
>>>>>>>>>>>> --with-CXX=mpixlcxx_r --with-CXXFLAGS="-qarch=450d -qtune=450"
>>>>>>>>>>>> --prefix=`pwd`
>>>>>>>>>>>> 
>>>>>>>>>>>> However, the flags did not seem to be passed:
>>>>>>>>>>>> 
>>>>>>>>>>>> mpixlc_r -DHAVE_CONFIG_H -I. -I. -I../.. -I../../include
>>>>>>>>>>>> -c
>>>>>>>>>>>> `test -f common_func.c || echo './'`common_func.c
>>>>>>>>>>>> 
>>>>>>>>>>>> mpixlcxx_r           -o resize  resize.o
>>>>>>>>>>>> -L/home/jpbernst/Code/Overture/A++P++-0.8.0/A++/install/lib  -
>>>>>>>>>>>> L../src
>>>>>>>>>>>> -lApp -lApp_static -lApp  -lm
>>>>>>>>>>>> 
>>>>>>>>>>>> Is this a known issue?
>>>>>>>>>>>> 
>>>>>>>>>>>> Returning to the BG/P config issue, I tried to hack :
>>>>>>>>>>>> 
>>>>>>>>>>>> config/A++P++_common_autoconfig.m4
>>>>>>>>>>>> config.sub
>>>>>>>>>>>> 
>>>>>>>>>>>> in order to add a Bg/P setup without success. Is there
>>>>>>>>>>>> documentation
>>>>>>>>>>>> available for adding a machine config? I was not able to find
>>>>>>>>>>>> any on
>>>>>>>>>>>> the Overture webpage.
>>>>>>>>>>>> 
>>>>>>>>>>>> Best,
>>>>>>>>>>>> 
>>>>>>>>>>>> Joe Bernstein
>>>>>>>>>>>> 
>>>>>>>>>>>> 
>>>>>>>>>>>> 
>>>>> .
>>>>> 
>> 
>> 
>> 
> 
> 


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