[gmx-users] cross compiling gromacs

[ganapathy senthilkumar]

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.

sincerely,
ganapathy senthilkumar
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