[zeromq-dev] s390x support

[Steven McCoy]

Well the continuing hint from other developers is that OpenPGM should
include an Autoconf/Automake system to just build the library.  I'm using
Scons because it is the only viable build system for producing
cross-platform debug, release, profile libraries along side unit test
builds.

For OpenPGM you can clone SConstruct and tailor it for System Z, i.e.
comment out CONFIG_HAVE_HPET, CONFIG_HAVE_RTC, CONFIG_HAVE_RTC.

http://code.google.com/p/openpgm/source/browse/trunk/openpgm/pgm/SConstruct?r=1269

For ØMQ there are two parts, configure.in needs to detect System Z, and then
src/Makefile.am needs to be modified so that libpgm_diff_flags does not
include those three parameters.

https://github.com/zeromq/zeromq2/blob/master/configure.in
https://github.com/zeromq/zeromq2/blob/master/src/Makefile.am

-- 
Steve-o

On 8 January 2011 12:53, Neale Ferguson <neale at sinenomine.net> wrote:

>  At the moment I disable CONFIG_HAVE_RTC etc via the configure script in
> zeromq2 directory but I’ve a feeling I should be doing something a little
> more elegant. Do the Sconstruct files figure into this?
>
>
>
> On 1/7/11 11:29 PM, "Steven McCoy" <steven.mccoy at miru.hk> wrote:
>
>
> For PGM I think you should already be disabling RTC & HPET support for
> System Z it would therefore make sense to add TSC onto the list.
>
> The only other assembly in the code is for atomic ops and GCC or Solaris
> intrinsics are the preferred option, inline code used for older GCC
> versions, i.e. Red Hat 4, and non-Solaris platforms, i.e. OpenSolaris.  I'm
> ignoring the add-with-carry inline functions as they're not used anywhere
> (impl/checksum.h).
>
> So alongside IA64, PowerPC and ARM assembler which is sitting in an old
> revision in SVN history somewhere I will currently leave out System Z
> assembler unless performance testing results prove significant advantage
> *and* the transport is in production use.
>
> Or, simply part of a contract porting project with full platform testing,
> :D
>
> --
> Steve-o
>
>
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