openmpi/config/ompi_configure_options.m4

dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2007 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) 2004-2005 The Regents of the University of California.
dnl                         All rights reserved.
dnl Copyright (c) 2006-2008 Cisco Systems, Inc.  All rights reserved.
dnl Copyright (c) 2007      Sun Microsystems, Inc.  All rights reserved.
dnl $COPYRIGHT$
dnl 
dnl Additional copyrights may follow
dnl 
dnl $HEADER$
dnl

AC_DEFUN([OMPI_CONFIGURE_OPTIONS],[
ompi_show_subtitle "Configuration options"

#
# Is this a developer copy?
#
if test -d .svn -o -d .hg; then
    OMPI_DEVEL=1
else
    OMPI_DEVEL=0
fi

#
# Code coverage options
#
AC_MSG_CHECKING([whether to run code coverage])
AC_ARG_ENABLE(coverage,
              AC_HELP_STRING([--enable-coverage],
                             [enable code coverage files to be generated]))
if test "$enable_coverage" = "yes"; then
    if test "$enable_shared" = "yes"; then 
        AC_MSG_WARN([Code coverage can run only with static libraries. Please 
run configure with --enable-static --disable-shared if 
you want code coverage. Also ensure that you execute 
make clean too ensure removal of all leftover shared 
mpi libraries])
        AC_MSG_ERROR([Cannot continue processing])
    fi
    AC_MSG_RESULT([yes])
    WANT_COVERAGE=1
else 
    AC_MSG_RESULT([no])
    WANT_COVERAGE=0
fi


#
# Branch Probabilities options
#
AC_MSG_CHECKING([whether to compile with branch probabilities])
AC_ARG_ENABLE(branch-probabilities,
              AC_HELP_STRING([--enable-branch-probabilities],
                             [enable profile arcs and branch probability optimization]))
if test "$enable_branch_probabilities" = "yes"; then
    AC_MSG_RESULT([yes])
    WANT_BRANCH_PROBABILITIES=1
else 
    AC_MSG_RESULT([no])
    WANT_BRANCH_PROBABILITIES=0
fi


#
# Memory debugging
#

AC_MSG_CHECKING([whether to debug memory usage])
AC_ARG_ENABLE(mem-debug, 
    AC_HELP_STRING([--enable-mem-debug],
                   [enable memory debugging (debugging only) (default: disabled)]))
if test "$enable_mem_debug" = "yes"; then
    AC_MSG_RESULT([yes])
    WANT_MEM_DEBUG=1
else
    AC_MSG_RESULT([no])
    WANT_MEM_DEBUG=0
fi
#################### Early development override ####################
if test "$WANT_MEM_DEBUG" = "0" -a -z "$enable_mem_debug" -a "$OMPI_DEVEL" = 1; then
    WANT_MEM_DEBUG=1
    echo "--> developer override: enable mem profiling by default"
fi
#################### Early development override ####################
AC_DEFINE_UNQUOTED(OMPI_ENABLE_MEM_DEBUG, $WANT_MEM_DEBUG,
    [Whether we want the memory profiling or not])

#
# Memory profiling
#

AC_MSG_CHECKING([whether to profile memory usage])
AC_ARG_ENABLE(mem-profile, 
    AC_HELP_STRING([--enable-mem-profile],
                   [enable memory profiling (debugging only) (default: disabled)]))
if test "$enable_mem_profile" = "yes"; then
    AC_MSG_RESULT([yes])
    WANT_MEM_PROFILE=1
else
    AC_MSG_RESULT([no])
    WANT_MEM_PROFILE=0
fi
#################### Early development override ####################
if test "$WANT_MEM_PROFILE" = "0" -a -z "$enable_mem_profile" -a "$OMPI_DEVEL" = 1; then
    WANT_MEM_PROFILE=1
    echo "--> developer override: enable mem profiling by default"
fi
#################### Early development override ####################
AC_DEFINE_UNQUOTED(OMPI_ENABLE_MEM_PROFILE, $WANT_MEM_PROFILE,
    [Whether we want the memory profiling or not])

#
# Developer picky compiler options
#

AC_MSG_CHECKING([if want developer-level compiler pickyness])
AC_ARG_ENABLE(picky, 
    AC_HELP_STRING([--enable-picky],
                   [enable developer-level compiler pickyness when building Open MPI (default: disabled)]))
if test "$enable_picky" = "yes"; then
    AC_MSG_RESULT([yes])
    WANT_PICKY_COMPILER=1
else
    AC_MSG_RESULT([no])
    WANT_PICKY_COMPILER=0
fi
#################### Early development override ####################
if test "$WANT_PICKY_COMPILER" = "0" -a -z "$enable_picky" -a "$OMPI_DEVEL" = 1; then
    WANT_PICKY_COMPILER=1
    echo "--> developer override: enable picky compiler by default"
fi
#################### Early development override ####################

#
# Developer debugging
#

AC_MSG_CHECKING([if want developer-level debugging code])
AC_ARG_ENABLE(debug, 
    AC_HELP_STRING([--enable-debug],
                   [enable developer-level debugging code (not for general MPI users!) (default: disabled)]))
if test "$enable_debug" = "yes"; then
    AC_MSG_RESULT([yes])
    WANT_DEBUG=1
else
    AC_MSG_RESULT([no])
    WANT_DEBUG=0
fi
#################### Early development override ####################
if test "$WANT_DEBUG" = "0" -a -z "$enable_debug" -a "$OMPI_DEVEL" = 1; then
    WANT_DEBUG=1
    echo "--> developer override: enable debugging code by default"
fi
#################### Early development override ####################
if test "$WANT_DEBUG" = "0"; then
    CFLAGS="-DNDEBUG $CFLAGS"
    CXXFLAGS="-DNDEBUG $CXXFLAGS"
fi
AC_DEFINE_UNQUOTED(OMPI_ENABLE_DEBUG, $WANT_DEBUG,
    [Whether we want developer-level debugging code or not])

AC_ARG_ENABLE(debug-symbols,
    AC_HELP_STRING([--disable-debug-symbols],
        [Disable adding compiler flags to enable debugging symbols if --enable-debug is specified.  For non-debugging builds, this flag has no effect.]))

#
# Sparse Groups
#

AC_MSG_CHECKING([if want sparse process groups])
AC_ARG_ENABLE(sparse-groups, 
    AC_HELP_STRING([--enable-sparse-groups],
                   [enable sparse process groups (default: not enabled)]))
if test "$enable_sparse_groups" = "yes"; then
    AC_MSG_RESULT([yes])
    GROUP_SPARSE=1
else
    AC_MSG_RESULT([no])
    GROUP_SPARSE=0
fi
AC_DEFINE_UNQUOTED([OMPI_GROUP_SPARSE],$GROUP_SPARSE,
    [Wether we want sparse process groups])

#
# Fortran 77
#

AC_MSG_CHECKING([if want Fortran 77 bindings])
AC_ARG_ENABLE(mpi-f77, 
    AC_HELP_STRING([--enable-mpi-f77],
                   [enable f77 MPI bindings (default: enabled)]))
if test "$enable_mpi_f77" != "no"; then
    AC_MSG_RESULT([yes])
    OMPI_WANT_F77_BINDINGS=1
else
    AC_MSG_RESULT([no])
    OMPI_WANT_F77_BINDINGS=0
fi


#
# Fortran 90
#

AC_MSG_CHECKING([if want Fortran 90 bindings])
AC_ARG_ENABLE(mpi-f90, 
    AC_HELP_STRING([--enable-mpi-f90],
                   [enable f90 MPI bindings (default: enabled)]))
if test "$enable_mpi_f90" != "no"; then
    AC_MSG_RESULT([yes])
    OMPI_WANT_F90_BINDINGS=1
else
    AC_MSG_RESULT([no])
    OMPI_WANT_F90_BINDINGS=0
fi

AC_MSG_CHECKING([desired Fortran 90 bindings "size"])
AC_ARG_WITH(mpi-f90-size,
    AC_HELP_STRING([--with-mpi-f90-size=SIZE],
                   [specify the types of functions in the Fortran 90 MPI module, where SIZE is one of: trivial (MPI-2 F90-specific functions only), small (trivial + all MPI functions without choice buffers), medium (small + all MPI functions with one choice buffer), large (medium + all MPI functions with 2 choice buffers, but only when both buffers are the same type).  Default SIZE is "small".]))

if test "$OMPI_WANT_F90_BINDINGS" = "0"; then
    AC_MSG_RESULT([disabled (Fortran 90 bindings disabled)])
elif test "$with_mpi_f90_size" = "no"; then
    OMPI_WANT_F90_BINDINGS=0
    AC_MSG_RESULT([disabling F90 MPI module (used specified)])
else
    # Default value
    if test "$with_mpi_f90_size" = ""; then
        with_mpi_f90_size=small
    fi

    # Check for each of the sizes
    if test "$with_mpi_f90_size" = "trivial"; then
        OMPI_F90_BUILD_SIZE=trivial
    elif test "$with_mpi_f90_size" = "small"; then
        OMPI_F90_BUILD_SIZE=small
    elif test "$with_mpi_f90_size" = "medium"; then
        OMPI_F90_BUILD_SIZE=medium
    elif test "$with_mpi_f90_size" = "large"; then
        OMPI_F90_BUILD_SIZE=large
    else
        AC_MSG_RESULT([Unrecognized size: $with_mpi_f90_size])
        AC_MSG_ERROR([Cannot continue])
    fi
fi

AM_CONDITIONAL([OMPI_WANT_BUILD_F90_TRIVIAL], 
               [test "$OMPI_F90_BUILD_SIZE" = "trivial"])
AM_CONDITIONAL([OMPI_WANT_BUILD_F90_SMALL], 
               [test "$OMPI_F90_BUILD_SIZE" = "small"])
AM_CONDITIONAL([OMPI_WANT_BUILD_F90_MEDIUM], 
               [test "$OMPI_F90_BUILD_SIZE" = "medium"])
AM_CONDITIONAL([OMPI_WANT_BUILD_F90_LARGE], 
               [test "$OMPI_F90_BUILD_SIZE" = "large"])

AC_SUBST(OMPI_F90_BUILD_SIZE)
AC_MSG_RESULT([$OMPI_F90_BUILD_SIZE])

#
# MPI profiling
#

AC_MSG_CHECKING([whether to enable PMPI])
AC_ARG_ENABLE(mpi-profile, 
    AC_HELP_STRING([--enable-mpi-profile],
                   [enable MPI profiling (default: enabled)]))
if test "$enable_mpi_profile" != "no"; then
    AC_MSG_RESULT([yes])
    WANT_MPI_PROFILING=1
    MPIF_H_PMPI_W_FUNCS=", PMPI_WTICK, PMPI_WTIME"
else
    AC_MSG_RESULT([no])
    WANT_MPI_PROFILING=0
    MPIF_H_PMPI_W_FUNCS=
fi
AC_SUBST(MPIF_H_PMPI_W_FUNCS)


#                                                                              
# C++                                                                          
#                                                                              

AC_MSG_CHECKING([if want C++ bindings])
AC_ARG_ENABLE(mpi-cxx,
    AC_HELP_STRING([--enable-mpi-cxx],
                   [enable C++ MPI bindings (default: enabled)]))
if test "$enable_mpi_cxx" != "no"; then
    AC_MSG_RESULT([yes])
    WANT_MPI_CXX_SUPPORT=1
else
    AC_MSG_RESULT([no])
    WANT_MPI_CXX_SUPPORT=0
fi

AC_MSG_CHECKING([if want MPI::SEEK_SET support])
AC_ARG_ENABLE([mpi-cxx-seek],
    [AC_HELP_STRING([--enable-mpi-cxx-seek],
                   [enable support for MPI::SEEK_SET, MPI::SEEK_END, and MPI::SEEK_POS in C++ bindings (default: enabled)])])
if test "$enable_mpi_cxx_seek" != "no" ; then
  AC_MSG_RESULT([yes])
  OMPI_WANT_MPI_CXX_SEEK=1
else
  AC_MSG_RESULT([no])
  OMPI_WANT_MPI_CXX_SEEK=0
fi
AC_DEFINE_UNQUOTED([OMPI_WANT_MPI_CXX_SEEK], [$OMPI_WANT_MPI_CXX_SEEK],
    [do we want to try to work around C++ bindings SEEK_* issue?])

#
# Do we want to disable weak symbols for some reason?
#

AC_MSG_CHECKING([if want to enable weak symbol support])
AC_ARG_ENABLE(weak-symbols,
    AC_HELP_STRING([--enable-weak-symbols],
                   [use weak symbols, if available (default: enabled)]))
if test "$enable_weak_symbols" != "no"; then
    AC_MSG_RESULT([yes])
    WANT_WEAK_SYMBOLS=1
else
    AC_MSG_RESULT([no])
    WANT_WEAK_SYMBOLS=0
fi

#
# Do we want to disable MPI parameter checking at run-time?
#

AC_MSG_CHECKING([if want run-time MPI parameter checking])
AC_ARG_WITH(mpi-param-check,
    AC_HELP_STRING([--with-mpi-param-check(=VALUE)],
                   [behavior of MPI function parameter checking.  Valid values are: always, never, runtime.  If --with-mpi-param-check is specified with no VALUE argument, it is equivalent to a VALUE of "always"; --without-mpi-param-check is equivalent to "never" (default: runtime).]))
mpi_param_check=ompi_mpi_param_check
if test "$with_mpi_param_check" = "no" -o \
    "$with_mpi_param_check" = "never"; then
    mpi_param_check=0
    AC_MSG_RESULT([never])
elif test "$with_mpi_param_check" = "yes" -o \
    "$with_mpi_param_check" = "always"; then
    mpi_param_check=1
    AC_MSG_RESULT([always])
elif test "$with_mpi_param_check" = "runtime" -o \
    -z "$with_mpi_params_check"; then
    AC_MSG_RESULT([runtime])
else
    AC_MSG_RESULT([unknown])
    AC_MSG_WARN([*** Unrecognized --with-mpi-param-check value])
    AC_MSG_WARN([*** See "configure --help" output])
    AC_MSG_WARN([*** Defaulting to "runtime"])
fi
AC_DEFINE_UNQUOTED(MPI_PARAM_CHECK, $mpi_param_check,
    [Whether we want to check MPI parameters always, never, or decide at run-time])


#
# Do we want to install all of OMPI's header files?
#

AC_MSG_CHECKING([if want to install OMPI header files])
AC_ARG_WITH(devel-headers,
    AC_HELP_STRING([--with-devel-headers],
                   [normal MPI users/applications do not need this (mpi.h and mpif.h are ALWAYS installed).  Developer headers are only necessary for MCA module authors (default: disabled).]))
if test "$with_devel_headers" = "yes"; then
    AC_MSG_RESULT([yes])
    WANT_INSTALL_HEADERS=1
else
    AC_MSG_RESULT([no])
    WANT_INSTALL_HEADERS=0
fi
AM_CONDITIONAL(WANT_INSTALL_HEADERS, test "$WANT_INSTALL_HEADERS" = 1)

#
# Do we want the pretty-print stack trace feature?
#
AC_MSG_CHECKING([if want pretty-print stacktrace])
AC_ARG_ENABLE([pretty-print-stacktrace],
    [AC_HELP_STRING([--enable-pretty-print-stacktrace],
                    [Pretty print stacktrace on process signal])])
if test "$enable_pretty_print_stacktrace" = "no" ; then
    AC_MSG_RESULT([no])
    WANT_PRETTY_PRINT_STACKTRACE=0
else
    AC_MSG_RESULT([yes])
    WANT_PRETTY_PRINT_STACKTRACE=1
fi
AC_DEFINE_UNQUOTED([OMPI_WANT_PRETTY_PRINT_STACKTRACE],
                   [$WANT_PRETTY_PRINT_STACKTRACE],
                   [if want pretty-print stack trace feature])

#
# Do we want deprecated executable names ?
# 
AC_MSG_CHECKING(if want deprecated executable names)
AC_ARG_ENABLE(deprecated-executable-names,
    AC_HELP_STRING([--enable-deprecated-executable-names], [make sym links to deprecated OMPI executables (e.g., hcc, hcp, hf77, wipe) (default: disabled)]))
if test "$enable_deprecated_executable_names" = "yes"; then
    AC_MSG_RESULT([yes])
    WANT_DEN=1
else
    AC_MSG_RESULT([no])
    WANT_DEN=0
fi

AM_CONDITIONAL(WANT_DEPRECATED_EXECUTABLE_NAMES, test "$WANT_DEN" = "1")

#
# Do we want to enable peruse interface?
#
 
AC_MSG_CHECKING([if peruse support is required])
AC_ARG_ENABLE(peruse,
    AC_HELP_STRING([--enable-peruse],
                   [Support PERUSE interface (default: disabled)]))
if test "$enable_peruse" = "yes"; then
    AC_MSG_RESULT([yes])
    WANT_PERUSE=1
else
    AC_MSG_RESULT([no])
    WANT_PERUSE=0
fi
AC_DEFINE_UNQUOTED([OMPI_WANT_PERUSE],
                   [$WANT_PERUSE],
                   [if the peruse interface should be enabled])
AM_CONDITIONAL(WANT_PERUSE, test "$WANT_PERUSE" = "1")

#
# What is the max array rank that we want to support in the f90 bindings?
#

OMPI_FORTRAN_MAX_ARRAY_RANK=4
AC_MSG_CHECKING([max supported array dimension in F90 MPI bindings])
AC_ARG_WITH(f90-max-array-dim,
    AC_HELP_STRING([--with-f90-max-array-dim=<DIM>],
                   [The maximum array dimension supported in the F90 MPI bindings (default: $OMPI_FORTRAN_MAX_ARRAY_RANK).]))
if test ! -z "$with_f90_max_array_dim" -a "$with_f90_max_array_dim" != "no"; then
    # Ensure it's a number; hopefully a integer...
    expr $with_f90_max_array_dim + 1 > /dev/null 2> /dev/null
    if test "$?" = "0"; then
        OMPI_FORTRAN_MAX_ARRAY_RANK="$with_f90_max_array_dim"
    fi
fi
AC_MSG_RESULT([$OMPI_FORTRAN_MAX_ARRAY_RANK])
AC_SUBST(OMPI_FORTRAN_MAX_ARRAY_RANK)

# do we want PTY support?
AC_MSG_CHECKING([if pty support should be enabled])
AC_ARG_ENABLE(pty-support,
    AC_HELP_STRING([--enable-pty-support],
                   [Enable/disable PTY support for STDIO forwarding.  default: enabled]))
if test "$enable_pty_support" = "no" ; then
    AC_MSG_RESULT([no])
    OMPI_ENABLE_PTY_SUPPORT=0
else
    AC_MSG_RESULT([yes])
    OMPI_ENABLE_PTY_SUPPORT=1
fi
AC_DEFINE_UNQUOTED([OMPI_ENABLE_PTY_SUPPORT], [$OMPI_ENABLE_PTY_SUPPORT],
                   [Whether user wants PTY support or not])

#
# Do we want to allow DLOPEN?
#
AC_MSG_CHECKING([if user wants dlopen support])
AC_ARG_ENABLE([dlopen],
    [AC_HELP_STRING([--enable-dlopen],
                    [Whether build should attempt to use dlopen (or
                     similar) to dynamically load components.
                     Disabling dlopen implies --disable-mca-dso.
                     (default: enabled)])])
if test "$enable_dlopen" = "no" ; then
    enable_mca_dso="no"
    enable_mca_static="yes"
    OMPI_ENABLE_DLOPEN_SUPPORT=0
    AC_MSG_RESULT([no])
else
    OMPI_ENABLE_DLOPEN_SUPPORT=1
    AC_MSG_RESULT([yes])
fi

#
# Heterogeneous support
#

AC_MSG_CHECKING([if heterogeneous support should be enabled])
AC_ARG_ENABLE([heterogeneous],
    [AC_HELP_STRING([--enable-heterogeneous],
                    [Enable features required for heterogeneous
                     platform support (default: enabled)])])
if test "$enable_heterogeneous" = "no" ; then
     AC_MSG_RESULT([no])
     ompi_want_heterogeneous=0
else
     AC_MSG_RESULT([yes])
     ompi_want_heterogeneous=1
fi
AC_DEFINE_UNQUOTED([OMPI_ENABLE_HETEROGENEOUS_SUPPORT], 
                   [$ompi_want_heterogeneous], 
                   [Enable features required for heterogeneous support])

#
# Internal trace file logging (debugging)
#

AC_MSG_CHECKING([if want trace file debugging])
AC_ARG_ENABLE([trace],
    [AC_HELP_STRING([--enable-trace],
                    [Enable internal tracing of OMPI/ORTE/OPAL calls -- used only for developer debugging, not tracing of MPI applications (default: disabled)])])
if test "$enable_trace" = "yes"; then
    AC_MSG_RESULT([yes])
    opal_want_trace=1
else
    AC_MSG_RESULT([no])
    opal_want_trace=0
fi
AC_DEFINE_UNQUOTED([OPAL_ENABLE_TRACE], [$opal_want_trace],
                   [Enable run-time tracing of internal functions])


#
# Jumbo application support
#

AC_MSG_CHECKING([if want jumbo app support])
AC_ARG_ENABLE([jumbo-apps],
    [AC_HELP_STRING([--enable-jumbo-apps],
                    [Enable support for applications in excess of 32K processes and/or 32K jobs, or running on clusters in excess of 32k nodes (default: disabled)])])
if test "$enable_jumbo_apps" = "yes"; then
    AC_MSG_RESULT([yes])
    orte_want_jumbo_apps=1
else
    AC_MSG_RESULT([no])
    orte_want_jumbo_apps=0
fi
AC_DEFINE_UNQUOTED([ORTE_ENABLE_JUMBO_APPS], [$orte_want_jumbo_apps],
                   [Enable support for applications in excess of 32K processes and/or 32K jobs, or running on clusters in excess of 32k nodes])


#
# Minimal RTE support
#

AC_MSG_CHECKING([if want full RTE support])
AC_ARG_ENABLE([rte],
    [AC_HELP_STRING([--disable-rte-support],
                    [Disable RTE support for systems that do not require it (default: full RTE support enabled)])])
if test "$enable_rte_support" = "no"; then
    AC_MSG_RESULT([no])
    orte_disable_full_support=1
else
    AC_MSG_RESULT([yes])
    orte_disable_full_support=0
fi
AC_DEFINE_UNQUOTED([ORTE_DISABLE_FULL_SUPPORT], [$orte_disable_full_support],
                   [Enable full RTE support])
AM_CONDITIONAL(ORTE_DISABLE_FULL_SUPPORT, test "$enable_rte_support" = "no")

#
# Cross-compile data
#
AC_ARG_WITH([cross],
    [AC_HELP_STRING([--with-cross=FILE],
        [Specify configure values that can not be determined in a cross-compilation environment.  See the Open MPI FAQ.])])
if test "$with_cross" = "yes" ; then
    AC_MSG_ERROR([--with-cross argument must include FILE option])
elif test "$with_cross" = "no" ; then
    AC_MSG_ERROR([--without-cross is not a valid argument])
elif test "$with_cross" != "" ; then
    if test ! -r $with_cross ; then
        AC_MSG_ERROR([could not find cross-compile data file $with_cross])
    fi

    # eval into environment
    OMPI_LOG_MSG([Loading cross-compile file $with_cross, with contents below])
    OMPI_LOG_FILE([$with_cross])
    . "$with_cross"
fi

#
# --with-ft=TYPE
#  TYPE:
#    - LAM (synonym for 'cr' currently)
#    - cr
#  /* General FT sections */
#  #if OPAL_ENABLE_FT == 0 /* FT Disabled globaly */
#  #if OPAL_ENABLE_FT == 1 /* FT Enabled globaly */
#  /* CR Specific sections */
#  #if OPAL_ENABLE_FT_CR == 0 /* FT Ckpt/Restart Disabled */
#  #if OPAL_ENABLE_FT_CR == 1 /* FT Ckpt/Restart Enabled */
#
AC_MSG_CHECKING([if want fault tolerance])
AC_ARG_WITH(ft,
    [AC_HELP_STRING([--with-ft=TYPE],
            [Specify the type of fault tolerance to enable. Options: LAM (LAM/MPI-like), cr (Checkpoint/Restart) (default: disabled)])],
        [ompi_want_ft=1],
        [ompi_want_ft=0])
if test "$with_ft" = "no" -o "$ompi_want_ft" = "0"; then
    ompi_want_ft=0
    ompi_want_ft_cr=0
    AC_MSG_RESULT([Disabled fault tolerance])
else
    ompi_want_ft=1
    ompi_want_ft_cr=0
    ompi_want_ft_type=none

    # Default value
    if test "$with_ft" = "" -o "$with_ft" = "yes"; then
        ompi_want_ft_type=cr
        ompi_want_ft_cr=1
    elif test "$with_ft" = "LAM"; then
        ompi_want_ft_type=lam
        ompi_want_ft_cr=1
    elif test "$with_ft" = "lam"; then
        ompi_want_ft_type=lam
        ompi_want_ft_cr=1
    elif test "$with_ft" = "CR"; then
        ompi_want_ft_type=cr
        ompi_want_ft_cr=1
    elif test "$with_ft" = "cr"; then
        ompi_want_ft_type=cr
        ompi_want_ft_cr=1
    else
        AC_MSG_RESULT([Unrecognized FT TYPE: $with_ft])
        AC_MSG_ERROR([Cannot continue])
    fi
    AC_MSG_RESULT([Enabled $with_ft ($ompi_want_ft_type)])
    AC_MSG_WARN([**************************************************])
    AC_MSG_WARN([*** Fault Tolerance Integration into Open MPI is *])
    AC_MSG_WARN([*** a research quality implementation, and care  *])
    AC_MSG_WARN([*** should be used when choosing to enable it.   *])
    AC_MSG_WARN([**************************************************])
fi
AC_DEFINE_UNQUOTED([OPAL_ENABLE_FT], [$ompi_want_ft],
                   [Enable fault tolerance general components and logic])
AC_DEFINE_UNQUOTED([OPAL_ENABLE_FT_CR], [$ompi_want_ft_cr],
                   [Enable fault tolerance checkpoint/restart components and logic])
AM_CONDITIONAL(WANT_FT, test "$ompi_want_ft" = "1")

#
# Do we want to install binaries?
#
AC_ARG_ENABLE([binaries],
    [AC_HELP_STRING([--enable-binaries],
        [Build and install binaries required for Open MPI, such as the wrapper compilers.   Useful for multi-lib installations.  (default: enabled)])])
AM_CONDITIONAL([OMPI_INSTALL_BINARIES], [test "$enable_binaries" != "no"])

#
# Do we want to disable IPv6 support?
#
AC_MSG_CHECKING([if want IPv6 support])
AC_ARG_ENABLE([ipv6],
    [AC_HELP_STRING([--disable-ipv6],
        [Disable IPv6 support (default: enabled, but only if the underlying system supports it)])])
if test "$enable_ipv6" = "no"; then
    AC_MSG_RESULT([no])
    opal_want_ipv6=0
else
    AC_MSG_RESULT([yes (if underlying system supports it)])
    opal_want_ipv6=1
fi
AC_DEFINE_UNQUOTED([OPAL_ENABLE_IPV6], [$opal_want_ipv6],
                   [Enable IPv6 support, but only if the underlying system supports it])

#
# Do we want orterun's --prefix behavior to be enabled by default?
#
AC_MSG_CHECKING([if want orterun "--prefix" behavior to be enabled by default])
AC_ARG_ENABLE([orterun-prefix-by-default],
    [AC_HELP_STRING([--enable-orterun-prefix-by-default],
        [Make "orterun ..." behave exactly the same as "orterun --prefix \$prefix" (where \$prefix is the value given to --prefix in configure)])])
AC_ARG_ENABLE([mpirun-prefix-by-default],
    [AC_HELP_STRING([--enable-mpirun-prefix-by-default],
        [Synonym for --enable-orterun-prefix-by-default])])
if test "$enable_orterun_prefix_by_default" = ""; then
    enable_orterun_prefix_by_default=$enable_mpirun_prefix_by_default
fi
if test "$enable_orterun_prefix_by_default" = "yes"; then
    AC_MSG_RESULT([yes])
    orte_want_orterun_prefix_by_default=1
else
    AC_MSG_RESULT([no])
    orte_want_orterun_prefix_by_default=0
fi
AC_DEFINE_UNQUOTED([ORTE_WANT_ORTERUN_PREFIX_BY_DEFAULT],
                   [$orte_want_orterun_prefix_by_default],
                   [Whether we want orterun to effect "--prefix $prefix" by default])

#
# Package/brand string
#
AC_MSG_CHECKING([for package/brand string])
AC_ARG_WITH([package-string],
     [AC_HELP_STRING([--with-package-string=STRING],
                     [Use a branding string throughout Open MPI])])
if test "$with_package_string" = "" -o "$with_package_string" = "no"; then
    with_package_string="Open MPI $OMPI_CONFIGURE_USER@$OMPI_CONFIGURE_HOST Distribution"
fi
AC_DEFINE_UNQUOTED([OPAL_PACKAGE_STRING], ["$with_package_string"],
     [package/branding string for Open MPI])
AC_MSG_RESULT([$with_package_string])

#
# Ident string
#
AC_MSG_CHECKING([for ident string])
AC_ARG_WITH([ident-string],
     [AC_HELP_STRING([--with-ident-string=STRING],
                     [Embed an ident string into Open MPI object files])])
if test "$with_ident_string" = "" -o "$with_ident_string" = "no"; then
    with_ident_string="%VERSION%"
fi
with_ident_string="`echo $with_ident_string | sed -e 's/%VERSION%/'$OMPI_VERSION/`"
AC_DEFINE_UNQUOTED([OPAL_IDENT_STRING], ["$with_ident_string"],
     [ident string for Open MPI])
AC_MSG_RESULT([$with_ident_string])

#
# ConnectX  XRC support
#
AC_MSG_CHECKING([if ConnectX XRC support should be enabled])
AC_ARG_ENABLE([connectx-xrc],
    [AC_HELP_STRING([--enable-connectx-xrc],
                    [Enable features required for ConnectX XRC support. If you don't have Infiniband ConnectX adapters you may disable the ConnectX XRC support. If you don't know which Infiniband adapter is installed on you cluster - leave it enabled (default: enabled)])])
if test "$enable_connectx_xrc" = "no" ; then
     AC_MSG_RESULT([no])
     ompi_want_connectx_xrc=0
else
     AC_MSG_RESULT([yes])
     ompi_want_connectx_xrc=1
fi
AC_DEFINE_UNQUOTED([OMPI_ENABLE_CONNECTX_XRC_SUPPORT], 
                   [$ompi_want_connectx_xrc], 
                   [Enable features required for ConnectX XRC support])

])