diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 9a8f961..dfb3725 100644 --- a/configure.ac +++ b/configure.ac @@ -2532,6 +2532,7 @@ esac AC_SUBST([ADD_PARALLEL_FILES]) ADD_PARALLEL_FILES="no" AC_SUBST([MPE]) MPE=no AC_SUBST([INSTRUMENT_LIBRARY]) INSTRUMENT_LIBRARY=no +AC_SUBST([PARALLEL_FILTERED_WRITES]) if test -n "$PARALLEL"; then ## The 'testpar' directory should participate in the build @@ -2687,6 +2688,33 @@ if test -n "$PARALLEL"; then if test "X-$MPE" = "X-yes"; then AC_DEFINE([HAVE_MPE], [1], [Define if we have MPE support]) fi + + ## ---------------------------------------------------------------------- + ## Check for the MPI-3 functions necessary for the Parallel Compression + ## feature. If these are not present, issue a warning that Parallel + ## Compression will be disabled. + ## + AC_MSG_CHECKING([for MPI_Mprobe and MPI_Imrecv functions]) + + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <mpi.h> + ]], + [[ + MPI_Message message; + MPI_Init(0, (void *) 0); + MPI_Mprobe(0, 0, 0, &message, (void *) 0); + MPI_Imrecv((void *) 0, 0, 0, (void *) 0, (void *) 0); + ]] + )], + [AC_MSG_RESULT([yes]) + PARALLEL_FILTERED_WRITES=yes], + [AC_MSG_RESULT([no]) + AC_MSG_WARN([A simple MPI program using the MPI_Mprobe and MPI_Imrecv functions could not be compiled and linked. + Parallel writes of filtered data will be disabled.]) + PARALLEL_FILTERED_WRITES=no] + ) fi ## ---------------------------------------------------------------------- @@ -2977,6 +3005,9 @@ AC_SUBST([WORDS_BIGENDIAN]) ## Parallel support? (set above except empty if none) PARALLEL=${PARALLEL:-no} +## Parallel writes to filtered datasets support? +PARALLEL_FILTERED_WRITES=${PARALLEL_FILTERED_WRITES:-no} + ## Compiler with version information. This consists of the full path ## name of the compiler and the reported version number. AC_SUBST([CC_VERSION]) |