-], [
- AC_MSG_RESULT([no])
-])
-AC_SUBST(QSWLND)
-AC_SUBST(QSWCPPFLAGS)
-]) # LN_CONFIG_QUADRICS
-
-#
-# LN_CONFIG_MX
-#
-AC_DEFUN([LN_CONFIG_MX], [
-# set default
-MXPATH="/opt/mx"
-AC_MSG_CHECKING([whether to enable Myrinet MX support])
-AC_ARG_WITH([mx],
- AC_HELP_STRING([--with-mx=path],
- [build mxlnd against path]),
- [
- case $with_mx in
- yes) ENABLEMX=2 ;;
- no) ENABLEMX=0 ;;
- *) ENABLEMX=3; MXPATH=$with_mx ;;
- esac
- ],[
- ENABLEMX=1
- ])
-AS_IF([test $ENABLEMX -eq 0], [
- AC_MSG_RESULT([disabled])
-], [test ! \( -f ${MXPATH}/include/myriexpress.h -a \
- -f ${MXPATH}/include/mx_kernel_api.h -a \
- -f ${MXPATH}/include/mx_pin.h \)], [
- AC_MSG_RESULT([no])
- case $ENABLEMX in
- 1) ;;
- 2) AC_MSG_ERROR([Myrinet MX kernel headers not present]) ;;
- 3) AC_MSG_ERROR([bad --with-mx path]) ;;
- *) AC_MSG_ERROR([internal error]) ;;
- esac
-], [
- AC_MSG_RESULT([check])
- MXPATH=$(readlink --canonicalize $MXPATH)
- MXCPPFLAGS="-I$MXPATH/include"
- MXLIBS="-L$MXPATH/lib"
- EXTRA_KCFLAGS_save="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS $MXCPPFLAGS"
- LB_CHECK_COMPILE([if have Myrinet MX support],
- myrinet_mx_support, [
- #define MX_KERNEL 1
- #include <mx_extensions.h>
- #include <myriexpress.h>
- ],[
- mx_endpoint_t end;
- mx_status_t status;
- mx_request_t request;
- int result;
- mx_init();
- mx_open_endpoint(MX_ANY_NIC, MX_ANY_ENDPOINT, 0, NULL, 0, &end);
- mx_register_unexp_handler(end, (mx_unexp_handler_t) NULL, NULL);
- mx_wait_any(end, MX_INFINITE, 0LL, 0LL, &status, &result);
- mx_iconnect(end, 0LL, 0, 0, 0, NULL, &request);
- return 0;
- ],[
- MXLND="mxlnd"
- ],[
- case $ENABLEMX in
- 1) ;;
- 2) AC_MSG_ERROR([can't compile with Myrinet MX kernel headers]) ;;
- 3) AC_MSG_ERROR([can't compile with Myrinet MX headers under $MXPATH]) ;;
- *) AC_MSG_ERROR([internal error]) ;;
- esac
- MXCPPFLAGS=""
- MXLIBS=""
- MXLND=""
- ])
- EXTRA_KCFLAGS="$EXTRA_KCFLAGS_save"