[OS] Another data point for OS / ASL under Msys / cl

[Kipp Martin]

Hi Lou:

I am able to replicate your error when running

./configure --enable-debug.

This is actually a generic problem and not just an OS problem.  It seems 
like one COIN-OR  needs to resolve as this will affect (I think) any 
project that tries to link to ASL.

1) I checked out the Cbc project independently of OS and got the same error.

2) It is an ASL problem. If you build without ASL it works.

Now here is what I do not understand. I did a

make distclean

and went back and modified the ASL makefile.vc to be

CFLAGS = -nologo -Ot1 -MTd

Then I did a completely new configure. However, after doing this I still 
get the same error, namely

LIBCMT.lib(calloc.obj) : error LNK2005: _calloc already defined in 
LIBCMTD.lib(dbgheap.obj)

Do you have any idea how LIBCMT.lib is getting linked in there after 
changing the ASL makefile as described above?


At this point I am tempted to simply drop ASL support from OS, I have 
spent such a ridiculous  amount of time on it over the last year or so.

Cheers,




> 	An optimised build went through without errors.  `make test' was
> superficially ok (i.e., no core dump).  I didn't go over the output in detail,
> but OS claimed it passed its unit test.  Kipp, you mentioned that you just type
> `./configure' to do the build --- this gives an optimised build.
> 
> 	The debug build still runs into trouble trying to link cbc.exe.  I think
> if you use the command `./configure --enable-debug' you will be able to
> replicate the problem.  (My actual configure command is considerably longer and
> built by a script, but this should do it.)  Coin will specify -MTd as the
> multi-thread library, while ASL will continue to use -MT.  The two collide at
> the attempt to link cbc.exe.
> 
> 	I ran the debug build to the cbc error, then switched to the optimised
> build, and didn't have time to patch the debug build and check for the __matherr 
> problem. I'll try that next time I'm working at home.
> 
> 							Lou
> 
> _______________________________________________
> OS mailing list
> OS at list.coin-or.org
> http://list.coin-or.org/mailman/listinfo/os
> 
> > 


-- 
Kipp Martin
Professor of Operations Research
and Computing Technology
Graduate School of Business
University of Chicago
5807 South Woodlawn Avenue
Chicago, IL 60637
773-702-7456
kipp.martin at chicagogsb.edu
http://gsbkip.chicagogsb.edu
http://www.coin-or.org

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