Bugs item #1827627, was opened at 2007-11-07 16:49
Message generated for change (Comment added) made by stmane
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Category: Build
Group: buildtools CVS Head
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Marcin Zukowski (e-r00)
Assigned to: Sjoerd Mullender (sjoerd)
Summary: --enable-bits doesn't work with icc

Initial Comment:
--enable-bits is still in configure and HowToStart.
However, it doesn't seem to work with icc. 
So either some fixes are needed to guarantee it does what a user expects, or 
prints a fail message, or it should be removed.


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>Comment By: Stefan Manegold (stmane)
Date: 2007-11-07 17:27

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No, I didn't know that --- actually I did not even know what platform you
were using (I could have guessed but we do have more than one at CWI ...).

Given the CPU you specify, I now *guess* you're referring to our FC6
desktops at CWI and to icc 10.0, right?

Well, I am actually not sure whether (1) "our" icc 10.0 allows to produce
32-bit binaries on our 64-bit FC6 desktops, (2) the correct option to do
this is set (added to $CC) in buildtools/conf/MonetDB.m4, (3) our 64-bit
FC6 comes with all the 32-bit libraries to actually get a 32-bit MonetDB
compiled successfully, (4) it would work with gcc.

In any case I agree with Marcin that the current behavior of silently
ignoring --enable-bits=32 (with icc on our 64-bit FC6 machines) is not the
desired one.

(Who ever will take care of this one may consider the above as hint where
to start the investigation.)


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Comment By: Marcin Zukowski (e-r00)
Date: 2007-11-07 17:12

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I'm sure you know, but if you insist :)

On Athlon 64 X2, "--enable-bits=32" with icc it compiles into 64-bit
binaries.

I don't even know if icc supports that, but I was simply suprised to get a
64-bit thing.


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Comment By: Stefan Manegold (stmane)
Date: 2007-11-07 17:01

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"does not seem to work" as in (1) "does not have any effect" or (2)
"results in an error" or (3) "..."?

It --- to be precise one of "--enable-bits=32", "i--enable-bits=64" --- is
(IMHO) still supposed to work ...


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