From 8993d1fcb339dcfbc25e6af789ba501bed6d953c Mon Sep 17 00:00:00 2001
From: "Peter W. Draper" <p.w.draper@durham.ac.uk>
Date: Wed, 29 Apr 2015 13:14:06 +0100
Subject: [PATCH] Add test for type of HDF5, serial or parallel.
Defines the macro HAVE_PARALLEL_HDF5 and the automake conditional
HAVEPARALLELHDF5 if HDF5 is parallel.
Former-commit-id: 2ad24c19fade194da91336e59347b96cc69d76ed
---
configure.ac | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 0745d1f84b..2c2443405b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -212,9 +212,23 @@ AC_CHECK_LIB([z],[gzopen],[
],[])
-# Check for HDF5.
+# Check for HDF5. Need to differentiate between parallel and serial.
AX_LIB_HDF5
+# Need to ask the HDF5 compiler about its configuration, -showconfig should
+# have yes/no
+have_parallel_hdf5="no"
+if test "$with_hdf5" = "yes"; then
+ AC_MSG_CHECKING([for HDF5 parallel support])
+ parallel=`$H5CC -showconfig | grep "Parallel HDF5:" | awk '{print $3}'`
+ if test "$parallel" = "yes"; then
+ have_parallel_hdf5="yes"
+ AC_DEFINE([HAVE_PARALLEL_HDF5],1,[HDF5 library supports parallel access])
+ fi
+ AC_MSG_RESULT($parallel)
+fi
+AM_CONDITIONAL([HAVEPARALLELHDF5],[test "$have_parallel_hdf5" = "yes"])
+
# Check for setaffinity.
AC_CHECK_FUNC( pthread_setaffinity_np , AC_DEFINE([HAVE_SETAFFINITY],[true],
[Defined if pthread_setaffinity_np exists.]) )
@@ -256,6 +270,7 @@ AC_MSG_RESULT([
flags: $CFLAGS
MPI enabled: $enable_mpi
HDF5 enabled: $with_hdf5
+ parallel: $have_parallel_hdf5
OpenMP enabled: $enable_openmp
Metis enabled: $with_metis
])
--
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