Re: [ccp4bb]: compiling on SGI -- how can I use -n32?

[M.D.Winn@dl.ac.uk (M.D.Winn)]

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Kay's method is perfectly fine. An equivalent (and possibly easier)
way if you have already run the default configure, is to edit
the config.status file in the top directory, and then run config.status
(rather than configure). Change all -32 to -n32. Some compiler options
will need to be changed, e.g. -Olimit 1250 becomes -OPT:Olimit=1250

Regarding Kay's last comment, as far as I know, if you run configure
or config.status again, it should overwrite previous Makefiles. I just
tried it here, and seems OK. But of course, it is a good general rule - if
you get into a mess, start from the beginning rather than battling on ....

In the next release, we will make n32 the default rather then 32.
High time, I know ....

Regards,

Martyn

> Susan Heffron wrote:
> > 
> > ***  For details on how to be removed from this list visit the  ***
> > ***    CCP4 home page http://www.dl.ac.uk/CCP/CCP4/main.html    ***
> > 
> > Hi all!
> > 
> > I must be missing something... it seems that the configure script for
> > CCP4 v4.0 only gives the compiler flag choices of -64 (by specifying
> > irix64) or -32 (by specifying -irix).  How can I get it to compile with
> > -n32?
> > 
> > Your help is much appreciated.
> >                                Susan
> > 
> > --
> > --------------------------------------------------------------------
> >         Susan Heffron
> > Dept. of Physiology and Biophysics
> > University of California, Irvine
> >     Irvine, CA  92697   U.S.A.
> >   phone:  (949) 824-4625
> >   FAX:    (949) 824-8540
> > --------------------------------------------------------------------
> 
> Susan,
> 
> you enter (in case you use csh/tcsh):
> 
> setenv XCFLAGS "-n32 -OPT:Olimit=0 -DPROTOTYPE"
> setenv XFFLAGS "-n32 -OPT:Olimit=0 -nocpp"
> setenv COPTIM -O
> setenv FOPTIM -O2
> setenv SHARE_LIB "ld -n32 -shared -all libccp4.a -o libccp4.so" 
> setenv XLDFLAGS -lfastm
> 
> and then 
> 
> configure --with-x --with-shared-lib irix
> 
> I think this was posted for CCP4 3.x by Joachim Meyer (if it was someone
> else, I apologize).
> You can add other options to the XCFLAGS/XFFLAGS ones, like "-mips4
> -r10000 -DEBUG:trap_uninitialized=ON", or other "OPT:" options.
> 
> In case you ran configure before without the above environment
> variables, you have all Makefiles with -o32 or -64 now. I found it's
> advisable then to start from scratch (because I didn't start from
> scratch, I had to edit Makefiles manually in lib/ccif and
> x-windows/src). In other words, changing the environment variables and
> running configure won't give you new Makefiles if you had old ones (I
> think).  
> 
> Kay
> -- 
> Kay Diederichs         http://strucbio.biologie.uni-konstanz.de/~kay 
> email: Kay.Diederichs@uni-konstanz.de  Tel +49 7531 88 4049 Fax 3183
> Fakultaet fuer Biologie, Universitaet Konstanz 
> Box M656, D-78457 Konstanz, Germany
> 


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*                  Dr. Martyn Winn                                       *
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