# -*- shell-script ; indent-tabs-mode:nil -*-
#
# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
#                         University Research and Technology
#                         Corporation.  All rights reserved.
# Copyright (c) 2004-2005 The University of Tennessee and The University
#                         of Tennessee Research Foundation.  All rights
#                         reserved.
# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
#                         University of Stuttgart.  All rights reserved.
# Copyright (c) 2004-2005 The Regents of the University of California.
#                         All rights reserved.
# Copyright (c) 2009-2016 Cisco Systems, Inc.  All rights reserved.
# Copyright (c) 2011-2016 Los Alamos National Security, LLC. All rights
#                         reserved.
# Copyright (c) 2014      Intel, Inc. All rights reserved.
# Copyright (c) 2014-2015 Research Organization for Information Science
#                         and Technology (RIST). All rights reserved.
# Copyright (c) 2022      Amazon.com, Inc. or its affiliates.  All Rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#

#
# special check for cray xpmem, uses macro(s) from pkg.m4
#
# OPAL_CHECK_CRAY_XPMEM(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
AC_DEFUN([OPAL_CHECK_CRAY_XPMEM],[
    if test -z "$opal_check_cray_xpmem_happy" ; then
        AC_ARG_WITH([cray_xpmem],
                    [AS_HELP_STRING([--with-cray-xpmem(=yes/no)],
                    [Build Cray XPMEM support(default: auto)])],
                    [], with_cray_xpmem=auto)

       AC_MSG_CHECKING([for Cray XPMEM support])
       AS_IF([test "$with_cray_xpmem" = "no"],
             [AC_MSG_RESULT([no])
              $3],
             [AS_IF([test "$with_cray_xpmem" = "auto" || test "$with_cray_xpmem" = "yes"],
                     [PKG_CHECK_MODULES_STATIC([CRAY_XPMEM], [cray-xpmem],
                                        [opal_check_cray_xpmem_happy="yes"],
                                        [opal_check_cray_xpmem_happy="no"]
                                        [AS_IF([test "$with_cray_xpmem" = "yes"],
                                               [AC_MSG_WARN([Cray XPMEM support requested but pkg-config failed.])
                                                AC_MSG_ERROR([Aborting])],[])]
                                         )],
                     [])
             ])

        AS_IF([test "$opal_check_cray_xpmem_happy" = "yes" && test "$enable_static" = "yes"],
              [CRAY_XPMEM_LIBS = $CRAY_XPMEM_STATIC_LIBS],[])
    fi

    AS_IF([test "$opal_check_cray_xpmem_happy" = "yes"],
          [$1_LDFLAGS="[$]$1_LDFLAGS $CRAY_XPMEM_LIBS"
           $1_CPPFLAGS="[$]$1_CPPFLAGS $CRAY_XPMEM_CFLAGS"
           $1_LIBS="[$]$1_LIBS $CRAY_XPMEM_LIBS"
           AC_DEFINE_UNQUOTED([HAVE_XPMEM_H], [1], [is xpmem.h available])
           $2], [$3])
])

# OPAL_CHECK_XPMEM(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
# check if XPMEM 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([OPAL_CHECK_XPMEM], [
    OPAL_VAR_SCOPE_PUSH([opal_check_xpmem_happy])

    # check for a cray installed xpmem first
    OPAL_CHECK_CRAY_XPMEM([$1], [opal_check_xpmem_happy=yes], [opal_check_xpmem_happy=no])
    AS_IF([test "${opal_check_xpmem_happy}" = "no"],
          [OPAL_CHECK_BASE_XPMEM([$1], [opal_check_xpmem_happy=yes], [opal_check_xpmem_happy=no])])

    OPAL_SUMMARY_ADD([Transports], [Shared memory/XPMEM], [], [$opal_check_xpmem_happy])

    AS_IF([test "${opal_check_xpmem_happy}" = "yes"], [$2], [$3])

    OPAL_VAR_SCOPE_POP
])dnl


AC_DEFUN([OPAL_CHECK_BASE_XPMEM], [
    OPAL_VAR_SCOPE_PUSH([opal_check_xpmem_base_happy])

    AC_ARG_WITH([xpmem],
                [AS_HELP_STRING([--with-xpmem(=DIR)],
                                [Build with XPMEM kernel module support, searching for headers in DIR])])
    AC_ARG_WITH([xpmem-libdir],
                [AS_HELP_STRING([--with-xpmem-libdir=DIR],
                                [Search for XPMEM library in DIR])])

    OAC_CHECK_PACKAGE([xpmem],
                      [$1],
                      [xpmem.h],
                      [xpmem],
                      [xpmem_make],
                      [opal_check_xpmem_base_happy="yes"],
                      [opal_check_xpmem_base_happy="no"])

     AS_IF([test "${opal_check_xpmem_base_happy}" = "yes"],
           [AC_DEFINE_UNQUOTED([HAVE_XPMEM_H], [1], [is xpmem.h available])
            $2],
           [AS_IF([test -n "${with_xpmem}" -a "${with_xpmem}" != "no"],
                  [AC_MSG_ERROR([XPMEM support requested but not found.  Aborting])])
            $3])

    OPAL_VAR_SCOPE_POP
])dnl