[mvapich-discuss] Build failure of mvapich2-2.3rc2 when enabling GPFS support in ROMIO

[Sourav Chakraborty]

Hi All,

The user has confirmed that applying the attached patch has resolved the
issue. It will be included in upcoming MVAPICH releases.

Thanks,
Sourav

On Tue, May 1, 2018 at 2:07 PM, Doug Johnson <djohnson at osc.edu> wrote:

> Hi MVAPICH devs,
>
> The build of mvapich2-2.3rc2 fails with the error below when GPFS
> support is enabled in ROMIO with "--with-file-system=ufs+nfs+gpfs".
>
>      CC       adio/ad_gpfs/ad_gpfs_rdcoll.lo
>    adio/ad_gpfs/ad_gpfs_open.c: In function ‘ADIOI_GPFS_Open’:
>    adio/ad_gpfs/ad_gpfs_open.c:118:20: error: storage size of
> ‘gpfs_statbuf’ isn’t known
>          struct stat64 gpfs_statbuf;
>                        ^~~~~~~~~~~~
>    adio/ad_gpfs/ad_gpfs_open.c:120:11: warning: implicit declaration of
> function ‘stat64’ [-Wimplicit-function-declaration]
>          rc = stat64(fd->filename, &gpfs_statbuf);
>               ^~~~~~
>
> These errors did not occur with identical configure options when
> building mvapich2-2.3rc1.  The errors occur uniformly for multiple
> versions of GNU, Intel, and PGI compilers (output above is from GNU
> 6.3.0.)
>
> The build completes when "--with-file-system=ufs+nfs" is used for the
> ROMIO file system configure option.
>
>
> Best,
> Doug
> _______________________________________________
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>
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diff --git a/src/mpi/romio/adio/ad_gpfs/ad_gpfs_open.c b/src/mpi/romio/adio/ad_gpfs/ad_gpfs_open.c
index f4fef37..7037b88 100644
--- a/src/mpi/romio/adio/ad_gpfs/ad_gpfs_open.c
+++ b/src/mpi/romio/adio/ad_gpfs/ad_gpfs_open.c
@@ -115,9 +115,9 @@ void ADIOI_GPFS_Open(ADIO_File fd, int *error_code)
 
 	MPI_Comm_rank(fd->comm, &rank);
 	if ((rank == fd->hints->ranklist[0]) || (fd->comm == MPI_COMM_SELF)) {
-	    struct stat64 gpfs_statbuf;
+	    struct stat gpfs_statbuf;
 	    /* Get the (real) underlying file system block size */
-	    rc = stat64(fd->filename, &gpfs_statbuf);
+	    rc = stat(fd->filename, &gpfs_statbuf);
 	    if (rc >= 0)
 	    {
 		fd->blksize = gpfs_statbuf.st_blksize;