A little bit of google shows that this is a known issue. ldrex and strex are not included in the default instruction set gcc uses (arm6). One has to add the compile flag "-march=argv6k" to successfully compiles.
George. PS: For more info: http://www.raspberrypi.org/phpBB3/viewtopic.php?f=9&t=4256&start=250 On Jan 10, 2013, at 16:20 , Jeff Squyres (jsquyres) <jsquy...@cisco.com> wrote: > Mmmm. Let's rope in our ARM expert here... > > Leif, do you know what the issue is here? > > > On Jan 3, 2013, at 4:28 AM, Lee Eric <openlinuxsou...@gmail.com> wrote: > >> Hi, >> >> I am going to compile OpenMPI 1.6.3 in Raspberry Pi and encounter following >> errors. >> >> make[2]: Entering directory `/root/openmpi-1.6.3/opal' >> CC class/opal_bitmap.lo >> CC class/opal_free_list.lo >> CC class/opal_hash_table.lo >> CC class/opal_list.lo >> CC class/opal_object.lo >> /tmp/ccniCtj0.s: Assembler messages: >> /tmp/ccniCtj0.s:83: Error: selected processor does not support ARM mode >> `ldrex r3,[r1]' >> /tmp/ccniCtj0.s:86: Error: selected processor does not support ARM mode >> `strex r4,r0,[r1]' >> make[2]: *** [class/opal_object.lo] Error 1 >> make[2]: Leaving directory `/root/openmpi-1.6.3/opal' >> make[1]: *** [all-recursive] Error 1 >> make[1]: Leaving directory `/root/openmpi-1.6.3/opal' >> make: *** [all-recursive] Error 1 >> >> Can anyone have any idea to fix that issue? >> >> I'm using Fedora 17 rootfs and kernel version is "Linux fedora-arm 3.6.11+ >> #1 PREEMPT Wed Jan 2 15:14:23 CST 2013 armv6l armv6l armv6l GNU/Linux". >> >> Thanks. >> >> Eric Lee >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
