[mvapich-discuss] MVAPICH2, Lustre 2.4, and /usr/include/sys/quota.h lead to _XOPEN_SOURCE and caddr_t problem

[Raghu]

Hi Adam,

Right, these are not necessary. This was already reported a while
back, and the MPICH team has removed it recently:
http://trac.mpich.org/projects/mpich/ticket/1973



Raghu


On Tue, Dec 10, 2013 at 3:04 PM, Adam T. Moody <moody20 at llnl.gov> wrote:
>  Hello MVAPICH team,
> I'm trying to build MVAPICH2 on one of our systems that has Lustre 2.4
> installed, but I'm hitting the following error during the build:
>
> make[3]: Entering directory
> `/usr/global/tools/mpi/sideinstalls/chaos_5_x86_64_ib/mvapich2-2.0b-gnu-cuda/mvapich2-2.0b/src/mpi/romio'
> CC adio/ad_lustre/ad_lustre_rwcontig.lo
> In file included from /usr/include/linux/lustre_user.h:46,
> from /usr/include/lustre/lustre_user.h:54,
> from adio/ad_lustre/ad_lustre.h:30,
> from adio/ad_lustre/ad_lustre_rwcontig.c:14:
> /usr/include/sys/quota.h:221: error: expected declaration specifiers or
> '...' before 'caddr_t'
>
> From what I've read
> (http://gcc.gnu.org/ml/gcc-patches/2000-09/msg00651.html), defining
> _XOPEN_SOURCE hides the definition of caddr_t, which is a BSD feature.
>
> It seems there are two spots where _XOPEN_SOURCE is defined, both in ROMIO.
>
>>>: grep -R -n XOPEN_SOURCE src/mpi/*
> src/mpi/romio/adio/ad_xfs/ad_xfs.h:11:#define _XOPEN_SOURCE 500
> src/mpi/romio/adio/ad_lustre/ad_lustre_rwcontig.c:11:#define _XOPEN_SOURCE
> 600
>
> If I comment the line in ad_lustre_rwcontig.c, the build works.
>
> Are these definitions necessary, or can they be removed?
> -Adam
>
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