[lttng-dev] Support for new arch 'ppc64le'

[ravi]

On 03/12/2014 12:58 AM, Mathieu Desnoyers wrote:
> ----- Original Message -----
>
>> From: "ravi" <ravi at linux.vnet.ibm.com>
>> To: lttng-dev at lists.lttng.org
>> Sent: Sunday, March 2, 2014 8:02:12 PM
>> Subject: [lttng-dev] Support for new arch 'ppc64le'
>> Hi,
>> We are in the process of adding support for new architecture 'ppc64le'
>> (PowerPC 64 Little Endian) and as part of that, We have worked with libtool
>> maintainer to get alpha release (links below) which has all the needed bits
>> to support building on ppc64le arch.
>> ftp://alpha.gnu.org/gnu/libtool/libtool-2.4.2.418.tar.gz(1.6MB)
>> ftp://alpha.gnu.org/gnu/libtool/libtool-2.4.2.418.tar.xz(920KB)
>> (A stable libtool release is expected soon this year)
>> ' userspace-rcu-0.8.1' didn't build on 'ppc64le' system because of outdated
>> libtoo.m4/config.guess files.
>> Latest ' liburcu' source package we picked is from :
>> http://lttng.org/files/urcu/userspace-rcu-0.8.1.tar.bz2
>> Along with changes to libtool related files, we have found a patch available
>> in ubuntu src repo, which is required to build 'liburcu' successfully on
>> 'ppc64le' system.
>> Im attaching the same patch which is created on top of "liburcu-0.7.7-1"...
>> hence we request you to apply attached patch , and spin off a new version of
>> 'liburcu' using the latest libtool alpha release . So that we can test
>> ppc64le fixes.
>> Your response is highly appreciated
> Hi,
>
> I see that the patch you propose adds both "powerpc64le" and "aarch64" entries. Why are there two of them ?
I think the entry "aarch64" entry is related to arm64 archtype. I will 
try to contact the original author of the patch and reconfirm.
>
> Moreover, it might be a bit aggressive to package the liburcu tarballs with an alpha version of libtool. When we
> understand more about the need for one or two specific entries into the configure.ac of liburcu, then we can add
> them, but until there is a stable version of libtool supporting those, you will probably have to create your own
> tarballs from the userspace RCU git repository using "make dist" against your alpha libtool.
okay.
>
> Thoughts ?
>
> Thanks,
>
> Mathieu
>
>> --
>> Ravindran
>> IBM LinuxTechnologyCenter
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-- 
Ravindran
IBM LinuxTechnologyCenter