openmpi/ompi/mca/btl/openib/configure.m4

# -*- shell-script -*-
#
# 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) 2007      Cisco, Inc.  All rights reserved.
# $COPYRIGHT$
# 
# Additional copyrights may follow
# 
# $HEADER$
#

# MCA_btl_openib_POST_CONFIG([should_build])
# ------------------------------------------
AC_DEFUN([MCA_btl_openib_POST_CONFIG], [
    AM_CONDITIONAL([MCA_btl_openib_have_xrc], [test $1 -eq 1 -a "x$btl_openib_have_xrc" = "x1" -a "x$ompi_want_connectx_xrc" = "x1"])
])


# MCA_btl_openib_CONFIG([action-if-can-compile], 
#                      [action-if-cant-compile])
# ------------------------------------------------
AC_DEFUN([MCA_btl_openib_CONFIG],[
    OMPI_CHECK_OPENIB([btl_openib],
                     [btl_openib_happy="yes"],
                     [btl_openib_happy="no"])

    AS_IF([test "$btl_openib_happy" = "yes"],
          [btl_openib_WRAPPER_EXTRA_LDFLAGS="$btl_openib_LDFLAGS"
           btl_openib_WRAPPER_EXTRA_LIBS="$btl_openib_LIBS"

           # With the new openib flags, look for ibv_fork_init
           LDFLAGS_save="$LDFLAGS"
           LIBS_save="$LIBS"
           LDFLAGS="$LDFLAGS $btl_openib_LDFLAGS"
           LIBS="$LIBS $btl_openib_LIBS"
           AC_CHECK_FUNCS([ibv_fork_init])
           LDFLAGS="$LDFLAGS_save"
           LIBS="$LIBS_save"
           $1],
          [$2])


    # substitute in the things needed to build openib
    AC_SUBST([btl_openib_CFLAGS])
    AC_SUBST([btl_openib_CPPFLAGS])
    AC_SUBST([btl_openib_LDFLAGS])
    AC_SUBST([btl_openib_LIBS])
])dnl