openmpi/config/opal_check_ugni.m4

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# OPAL_CHECK_UGNI(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
# check if GNI 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_UGNI], [
    if test -z "$opal_check_ugni_happy" ; then
        AC_ARG_WITH([ugni], [AC_HELP_STRING([--with-ugni],
            [Build support for Cray GNI. Set PKG_CONFIG_PATH env. variable to specify alternate path.])])

        opal_check_ugni_happy="no"

        AS_IF([test "$with_ugni" = "no"],
              [opal_check_ugni_happy="no"],
              [PKG_CHECK_MODULES([CRAY_UGNI], [cray-ugni],
			  [opal_check_ugni_happy="yes"],
                          [opal_check_ugni_happy="no"])])

        opal_check_ugni_$1_save_CPPFLAGS="$CPPFLAGS"
        opal_check_ugni_$1_save_LIBS="$LIBS"

        if test "$opal_check_ugni_happy" = "yes" ; then
            CPPFLAGS="$CPPFLAGS $CRAY_UGNI_CFLAGS"
            LIBS="$LIBS $CRAY_UGNI_LIBS"
#    echo "+++++++++++++++++++++++CPPFLAGS",$CPPFLAGS
#    echo "+++++++++++++++++++++++LDFLAGSS",$LDFLAGS
#    echo "+++++++++++++++++++++++1_CPPFLAGS",$$1_CPPFLAGS
#    echo "+++++++++++++++++++++++1_LDFLAGSS",$$1_LDFLAGS

#   sanity checks

            AC_CHECK_HEADER([gni_pub.h],[],AC_MSG_ERROR(['gni_pub.h not found.']))
            AC_CHECK_FUNCS([GNI_GetJobResInfo])

            CPPFLAGS="$opal_check_ugni_$1_save_CPPFLAGS"
            LIBS="$opal_check_ugni_$1_save_LIBS"
        fi

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

	OPAL_SUMMARY_ADD([[Transports]],[[Cray uGNI (Gemini/Aries)]],[$1],[$opal_check_ugni_happy])
    fi

    AS_IF([test "$opal_check_ugni_happy" = "yes"],
          [$1_CPPFLAGS="[$]$1_CPPFLAGS $CRAY_UGNI_CFLAGS"
	   $1_LIBS="[$]$1_LIBS $CRAY_UGNI_LIBS"
	   $2],
          [AS_IF([test ! -z "$with_ugni" && test "$with_ugni" != "no"],
                 [AC_MSG_ERROR([GNI support requested but not found.  Cannot continue.])])
           $3])

])