[gmx-users] Cross-compiling: How to include an externally generated innerc.c?

David spoel at xray.bmc.uu.se
Thu Jun 2 19:55:41 CEST 2005

On Thu, 2005-06-02 at 11:18 -0500, Nathan Moore wrote:
> I apologize for being so noisy on this forum lately.
> I'm cross-compiling GROMACS on ppc64 architecture for use on a different
> ppc32 parallel machine.  I've worked out the details of the configure
> script and have also created a target-architecture innerc.c by running the
> program mkinl on the target ppc32 architecture.  I generated mkinl in
> /src/gmxlib/ by "make mkinl".  I then moved the result, "innerc.c" back to
> the directory /src/gmxlib/ and tried make.  Strangely, I saw the same
> error as in previous case,
> >>> This is the GROMACS code generator for MD & MC inner loops
> >>> It will generate single precision C code in file innerc.c
> >>> Using gromacs invsqrt code
> >>> Inlining gromacs invsqrt code
> >>> Using normal solvent optimized loops
> >>> Prefetching forces in loops: none
> >>> Nonthreaded inner loops
> >>> Vectorizing invsqrt in loops:none
> Error creating file innerc.c
> make: *** [innerc.c] Error 255
> Why did configure try to make innerc.c again, when I had returned it to
> the directory src/gmxlib?  Do I need to tell the config script that I'll
> generate innerc.c externally and then insert it?
Maybe a date/time problem? It will make a new file when innerc.c is
older than the source code. 

You can also edit the Makefile to prevent it from running mkinl.
> regards,
> Nathan Moore
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David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,          75124 Uppsala, Sweden
phone:  46 18 471 4205          fax: 46 18 511 755
spoel at xray.bmc.uu.se    spoel at gromacs.org   http://xray.bmc.uu.se/~spoel

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