dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2006 High Performance Computing Center Stuttgart,
dnl                         University of Stuttgart.  All rights reserved.
dnl Copyright (c) 2008      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

dnl we only want one :)
m4_define(MCA_opal_memchecker_CONFIGURE_MODE, STOP_AT_FIRST)

AC_DEFUN([MCA_opal_memchecker_CONFIG],[
    opal_show_subsubtitle "Pre-configuring the framework memchecker"

    AC_MSG_CHECKING([if --enable-memchecker was specified])
    AC_ARG_ENABLE(memchecker,
        [AS_HELP_STRING([--enable-memchecker],
                       [Enable memory and buffer checks.  Note that disabling will *also* add "memchecker" to the --enable-mca-no-build list (default: disabled)])])
    if test "$enable_memchecker" = "yes"; then
        AC_MSG_RESULT([yes])
        WANT_MEMCHECKER=1
    else
        AC_MSG_RESULT([no (adding "memchecker" to --enable-mca-no-build list)])
        WANT_MEMCHECKER=0

        # Setting this environment variable causes
        # MCA_COMONENT_BUILD_CHECK (in opal_mca.m4, invoked by
        # MCA_CONFIGURE_FRAMEWORK, below) to rule that the component
        # should not be built.  It is effectively the same as adding
        # "memchecker" to the --enable-mca-no-build list.
        DISABLE_memchecker=1
    fi
    AC_DEFINE_UNQUOTED([OPAL_WANT_MEMCHECKER],
                       [$WANT_MEMCHECKER],
                       [if the memory and buffer checking should be enabled])
    AM_CONDITIONAL([OPAL_WANT_MEMCHECKER],
                   [test "$WANT_MEMCHECKER" = "1"])

    # first, compile all the components
    MCA_CONFIGURE_FRAMEWORK($1, $2, 1)

    AS_IF([test "$MCA_opal_memchecker_STATIC_COMPONENTS" != "" || test "$MCA_opal_memchecker_DSO_COMPONENTS" != ""],
          [memchecker_base_found=1],
          [memchecker_base_found=0])
    AS_IF([test $WANT_MEMCHECKER -eq 1 && test $memchecker_base_found -eq 0],
          [AC_MSG_WARN([Memchecker support requested, but no memchecker])
           AC_MSG_WARN([components configured successfully.  Did you])
           AC_MSG_WARN([forget --with-valgrind?])
           AC_MSG_ERROR([Cannot continue])])
])