did this ever work? adde makefile, fixed faulty config menu

can/Makefile

@@ -0,0 +1,13 @@
+TARGET = libcan.a
+TOPDIR = ..
+
+include $(TOPDIR)/defaults.mk
+
+ifeq ($(CAN_SUPPORT),y)
+  SRC = can.c
+  SRC += borg_can.c
+  SRC += lap.c
+  SRC += spi.c
+endif
+
+include $(TOPDIR)/rules.mk

can/config.in

@@ -54,17 +54,16 @@ if [ "$CAN_SUPPORT" = "y" ]; then
        Bit7 7" \
       'Bit4' SPI_PIN_SS
 
-   dep_bool_menu "Use interrupt" CAN_INTERRUPT y
+   bool "Use AVR hardware interrupt" CAN_INTERRUPT
 
-   if [ "$CAN_INTERRUPT" = "y" ]; then
-      choice 'Interrupt Port'			\
+   choice 'MCP Interrupt Port'			\
 	 "PINA  PINA \
 	  PINB  PINB \
 	  PINC  PINC \
 	  PIND  PIND" \
 	 'PIND' SPI_REG_PIN_MCP_INT
 
-      choice 'Interrupt Bit'			\
+   choice 'MCP Interrupt Bit'			\
 	 "Bit0 0 \
 	  Bit1 1 \
 	  Bit2 2 \
@@ -74,7 +73,5 @@ if [ "$CAN_SUPPORT" = "y" ]; then
 	  Bit6 6 \
 	  Bit7 7" \
 	 'Bit2' SPI_PIN_MCP_INT
-   fi
-   endmenu
 fi
 endmenu