1 files changed, 11 insertions, 0 deletions
diff --git a/drivers.m4 b/drivers.m4
index 2114ffa..f42e136 100644
--- a/drivers.m4
+++ b/drivers.m4
@@ -697,5 +697,16 @@ if test "$LIBFTDI" = "yes"; then
    DRVLIBS="$DRVLIBS -lftdi"
 fi
 
+if test "$DRIVERS" = ""; then
+   AC_MSG_ERROR([You should include at least one driver...])
+else
+   AC_MSG_RESULT(
+[-----------------------------------------]
+[including drivers:]
+[  $DRIVERS]
+[-----------------------------------------]
+   )
+fi
+   
 AC_SUBST(DRIVERS)
 AC_SUBST(DRVLIBS)