03-06-2008
Hi there,
FYI: i686/x86_64/ppc are different architectures. It's required to get information what kind of HW do you have before anybody is able to answer what to use.
Do you have ia32? ia32e? powerpc? What CPU do you use?
Unfortunately I don't know differences between above Fedora releases/versions/whatever.
Regards,
-Artur.
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SETARCH(8) Linux Programmer's Manual SETARCH(8)
NAME
setarch - change reported architecture in new program environment and set personality flags
SYNOPSIS
setarch arch [options] [program [arguments]]
arch [options] [program [arguments]]
DESCRIPTION
setarch This utility currently only affects the output of uname -m. For example, on an AMD64 system, running 'setarch i386 program' will
cause 'program' to see i686 (or other relevant arch) instead of x86_64 as machine type. It also allows to set various personality options.
The default program is /bin/sh.
OPTIONS
-v, --verbose
Be verbose.
-h, --help
Display help (it is also displayed when setarch takes no arguments).
-3, --3gb
Specifies that processes should use a maximum of 3GB of address space on systems where it is supported (ADDR_LIMIT_3GB).
-B, --32bit
Turns on ADDR_LIMIT_32BIT.
-F, --fdpic-funcptrs
Userspace function pointers point to descriptors (turns on FDPIC_FUNCPTRS).
-I, --short-inode
Turns on SHORT_INODE.
-L, --addr-compat-layout
Changes the way virtual memory is allocated (turns on the ADDR_COMPAT_LAYOUT).
-R, --addr-no-randomize
Disables randomization of the virtual address space (turns on ADDR_NO_RANDOMIZE).
-S, --whole-seconds
Turns on WHOLE_SECONDS.
-T, --sticky-timeouts
Turns on STICKY_TIMEOUTS.
-X --read-implies-exec
Turns on READ_IMPLIES_EXEC.
-Z, mmap-page-zero
Turns on MMAP_PAGE_ZERO.
EXAMPLES
setarch ppc32 rpmbuild --target=ppc --rebuild foo.src.rpm
setarch ppc32 -v -vL3 rpmbuild --target=ppc --rebuild bar.src.rpm
setarch ppc32 --32bit rpmbuild --target=ppc --rebuild foo.src.rpm
AUTHOR
Elliot Lee <sopwith@redhat.com>
Jindrich Novy <jnovy@redhat.com>
AVAILABILITY
The setarch command is part of the util-linux-ng package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.
setarch Jun 2007 SETARCH(8)