dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
dnl                         University Research and Technology
dnl                         Corporation.  All rights reserved.
dnl Copyright (c) 2004-2005 The University of Tennessee and The University
dnl                         of Tennessee Research Foundation.  All rights
dnl                         reserved.
dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
dnl                         University of Stuttgart.  All rights reserved.
dnl Copyright (c) 2004-2006 The Regents of the University of California.
dnl                         All rights reserved.
dnl Copyright (c) 2006      QLogic Corp. All rights reserved.
dnl Copyright (c) 2009      Cisco Systems, Inc.  All rights reserved.
dnl Copyright (c) 2015      Research Organization for Information Science
dnl                         and Technology (RIST). All rights reserved.
dnl $COPYRIGHT$
dnl
dnl Additional copyrights may follow
dnl
dnl $HEADER$
dnl

# OMPI_CHECK_PSM(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
# check if PSM support can be found.  sets prefix_{CPPFLAGS,
# LDFLAGS, LIBS} as needed and runs action-if-found if there is
# support, otherwise executes action-if-not-found
AC_DEFUN([OMPI_CHECK_PSM],[
    AC_ARG_WITH([psm],
        [AC_HELP_STRING([--with-psm(=DIR)],
             [Build PSM (Qlogic InfiniPath) support, optionally adding DIR/include, DIR/lib, and DIR/lib64 to the search path for headers and libraries])])
    OPAL_CHECK_WITHDIR([psm], [$with_psm], [include/psm.h])
    AC_ARG_WITH([psm-libdir],
        [AC_HELP_STRING([--with-psm-libdir=DIR],
             [Search for PSM (QLogic InfiniPath PSM) libraries in DIR])])
    OPAL_CHECK_WITHDIR([psm-libdir], [$with_psm_libdir], [libpsm_infinipath.*])

    ompi_check_psm_$1_save_CPPFLAGS="$CPPFLAGS"
    ompi_check_psm_$1_save_LDFLAGS="$LDFLAGS"
    ompi_check_psm_$1_save_LIBS="$LIBS"

    AS_IF([test "$with_psm" != "no"],
          [AS_IF([test ! -z "$with_psm" && test "$with_psm" != "yes"],
                 [ompi_check_psm_dir="$with_psm"])
           AS_IF([test ! -z "$with_psm_libdir" && test "$with_psm_libdir" != "yes"],
                 [ompi_check_psm_libdir="$with_psm_libdir"])

           OPAL_CHECK_PACKAGE([$1],
                              [psm.h],
                              [psm_infinipath],
                              [psm_finalize],
			      [],
                              [$ompi_check_psm_dir],
                              [$ompi_check_psm_libdir],
                              [ompi_check_psm_happy="yes"],
                              [ompi_check_psm_happy="no"])],
          [ompi_check_psm_happy="no"])

    CPPFLAGS="$ompi_check_psm_$1_save_CPPFLAGS"
    LDFLAGS="$ompi_check_psm_$1_save_LDFLAGS"
    LIBS="$ompi_check_psm_$1_save_LIBS"

    AS_IF([test "$ompi_check_psm_happy" = "yes" && test "$enable_progress_threads" = "yes"],
          [AC_MSG_WARN([PSM driver does not currently support progress threads.  Disabling BTL.])
           ompi_check_psm_happy="no"])

    AS_IF([test "$ompi_check_psm_happy" = "yes"],
          [$2],
          [AS_IF([test ! -z "$with_psm" && test "$with_psm" != "no"],
                 [AC_MSG_ERROR([PSM support requested but not found.  Aborting])])
           $3])
])