Add realtime script path to configure.ac

There is no other path yet to this location when building debian package

Author: hdiethelm

src/configure.ac

@@ -752,6 +752,7 @@ AC_DEFINE_UNQUOTED([EMC2_LANG_DIR], "$EMC2_LANG_DIR", [Directory for tcl transla
 AC_DEFINE_UNQUOTED([EMC2_PO_DIR], "$EMC2_PO_DIR", [Directory for po/mo translation files])
 AC_DEFINE_UNQUOTED([EMC2_NCFILES_DIR], "$EMC2_NCFILES_DIR", [Directory for nc files])
 AC_DEFINE_UNQUOTED([EMC2_IMAGE_DIR], "$EMC2_IMAGE_DIR", [Directory for images])
+AC_DEFINE_UNQUOTED([EMC2_REALTIME], "$REALTIME", [Path of realtime script])
 
 AC_SUBST([EMC2_TMP_DIR])
 AC_SUBST([EMC2_BIN_DIR])

src/hal/halmodule.cc

@@ -27,6 +27,7 @@
 #include <rtapi_mutex.h>
 #include "hal.h"
 #include "hal_priv.h"
+#include "config.h"
 
 #define EXCEPTION_IF_NOT_LIVE(retval) do { \
         if(self->hal_id <= 0) { \
@@ -2403,7 +2404,7 @@ PyMODINIT_FUNC PyInit__hal(void)
 
     //Call realtime verify to gather realtime status
     //Most probably we don't have realtime running yet
-    int ret = system("realtime verify > /dev/null");
+    int ret = system(EMC2_REALTIME " verify > /dev/null");
     int exit_stat = WEXITSTATUS(ret);
     if(exit_stat != 0 && exit_stat != 1){
         PyErr_Format(PyExc_RuntimeError, "realtime verify failed, system() return value %i / exit %i", ret, exit_stat);