[GE users] To use SGE API for Perl/Python but for different arch

Andreas.Haas at Sun.COM Andreas.Haas at Sun.COM
Thu Jan 17 09:14:23 GMT 2008


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Hi Nikhil,

have you tried to use the DRMAA library from the sol-x86 binary 
package? It is 32 bit and should work.

Regards,
Andreas

On Thu, 17 Jan 2008, Mulley, Nikhil wrote:

> Hi,
>
> I am using SGE-v6.0.11 on Solaris-10 with sol-amd64 binaries and perl is
> built with 32bit. So, when I get to want to compile/use modules like
> DRMAAc from cpan.org, they all turn out to be failures because of
> incompatible ELFCLASS in the libraries (cc is also 32-bit). So I
> wondered how could I make perl modules DRMAAc compiled for the
> incompatible SGE arch sol-amd64.
> I could not go for the alternative of recompiling perl with 64-bit
> support all over again, but have an also installation of SGE sol-x86
> also installed aside by sol-amd64 residence.
>
> I figured out that this architecture is much of reference from
> $SGE_ROOT/util/arch. All the time arch ends up reporting sol-amd64
> because of 'isainfo -b' returns to be '64'. I thought I could alleviate
> this to some extent without changing the current behaviour and
> infrastructure, if arch could somehow report the 32-bit locations if an
> option is provided, which I could later make the tweaks of arch usage in
> the Makefiles of Schedule::DRMAAc build and get it compiled against the
> 32-bit installation.
>
> So, I ended up with this tweak to $SGE_ROOT/util/arch; and after
> modifying Makefile.PL of the Schedule::DRMAAc to use 'arch -s' , I was
> successully able to build and install the module for my 32-bit perl.
> (and Voila!, I could also make it compile for my 32-bit python
> installation after tweaking the setup.py ofcourse)
>
> Please let me know if this could be filed as an RFE and can make it to
> the official release?
>
> Thanks,
> Nikhil
>
>
> But, the question still stands as, can I use the Schedule::DRMAAc perl
> modules to run on my machine with 32-bit perl....
>
> --- /usr/local/sge/util/arch    2007-06-26 13:23:37.000000000 +0530
> +++ ./arch      2008-01-17 03:05:51.294532000 +0530
> @@ -38,6 +38,7 @@
> #  PVM 3.x distribution, 22 Jul 1991 Robert Manchek manchek at CS.UTK.EDU.
> #
> #  call:   arch       (print SGEEE architecture string)
> +#          arch -s   (print SGEEE architecture string on/for a 32-bit
> platform)
> #          arch -m    (print default MANPATH of system)
> #          arch -mt   (print either "man" or "catman")
> #          arch -lib  (print name of variable to extend shared library
> path)
> @@ -249,7 +250,7 @@
>       ARCH=sol-x86
>       case $osrelease in
>       5.[7891]*)
> -         if [ `isainfo -b` = 64 ]; then
> +         if [ `isainfo -b` = 64 -a "$1" != "-s" ]; then
>             ARCH=sol-amd64
>          else
>             ARCH=sol-x86
> @@ -259,7 +260,7 @@
>    *)
>       case $osrelease in
>       5.[7891]*)
> -         if [ `isainfo -b` = 64 ]; then
> +         if [ `isainfo -b` = 64 -a "$1" != "-s" ]; then
>             ARCH=sol-sparc64
>          else
>             ARCH=sol-sparc
> @@ -308,7 +309,7 @@
>    ;;
> esac
>
> -if [ "$1" = "-m" -o "$1" = "-mt" -o "$1" = "-lib" ]; then
> +if [ "$1" = "-m" -o "$1" = "-mt" -o "$1" = "-lib" -o "$1" = "-s" ];
> then
>    MANTYPE=man
>    SHARED_LIBRARY_PATH="LD_LIBRARY_PATH"
>    DEFAULTMANPATH=/usr/man
> @@ -343,8 +344,11 @@
>       ;;
>    sol-*)
>       DEFAULTMANPATH=/usr/share/man
> -      # if bit-specific variable already set, use this variable!
> -      SHARED_LIBRARY_PATH_BITS="LD_LIBRARY_PATH_`isainfo -b`"
> +      SHARED_LIBRARY_PATH_BITS="LD_LIBRARY_PATH"
> +      if [ "$1" != "-s" ] ; then
> +          # if bit-specific variable already set, use this variable!
> +          SHARED_LIBRARY_PATH_BITS="LD_LIBRARY_PATH_`isainfo -b`"
> +      fi
>       if eval [ x\$$SHARED_LIBRARY_PATH_BITS != x ]; then
>              SHARED_LIBRARY_PATH=$SHARED_LIBRARY_PATH_BITS
>       fi
>
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