ganapathy senthilkumar wrote:
dear gromacs users,
I tried to cross-compile gromacs for powerpc on an intel x86
machine. i set the configure options as
export CPPFLAGS=-I/mnt/usr/local/include
export LDFLAGS=-L/mnt/usr/local/lib
=>i had mounted another root file system(simulated) onto mnt.
i ran the configure script with the following options.
./configure --prefix=/mnt/usr/local/
CC="/opt/sce/toolchain-2.3/ppu/bin/ppu-gcc -m32 -Wl,-m,elf32ppc"
--enable-portable-binary
CFLAGS=-L/home/murali/cell1.0.1/sysroot/usr/lib --host=powerpc64-linux
RANLIB=/opt/sce/toolchain-2.3/ppu/bin/powerpc64-linux-ranlib
on doing make i got the following error
./mknb -software_invsqrt
./mknb: ./mknb: cannot execute binary file
make[5]: *** [kernel-stamp] Error 126
make[5]: Leaving directory
`/home/murali/gromacs/gromacs-3.3.1/src/gmxlib/nonbonded/nb_kernel'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory
`/home/murali/gromacs/gromacs-3.3.1/src/gmxlib/nonbonded'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/murali/gromacs/gromacs-3.3.1/src/gmxlib'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/murali/gromacs/gromacs-3.3.1/src'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/murali/gromacs/gromacs-3.3.1/src'
make: *** [all-recursive] Error 1
i understand that the mknb file generated by make is an powerpc
executable and therefore cannot be executed.(since i am on a intel machine).
kindly help me solve this problem.thank you in advance.
compile mknb separately for the host platform and run it before cross
compiling.
you may also want to tell configure to use altivec
sincerely,
ganapathy senthilkumar
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--
David.
________________________________________________________________________
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
[EMAIL PROTECTED] [EMAIL PROTECTED] http://folding.bmc.uu.se
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