Hide CAN options, if CAN support is disabled

can/config.in

@@ -1,15 +1,16 @@
 dep_bool_menu "CAN bus support" CAN_SUPPORT y
 
-bool 'Use MCU builtin SPI support' SPI_HARDWARE
+if [ "$CAN_SUPPORT" = "y" ]; then
+   bool 'Use MCU builtin SPI support' SPI_HARDWARE
 
-choice 'SPI Port'			\
+   choice 'SPI Port'			\
       "PORTA  0 \
        PORTB  1 \
        PORTC  2 \
        PORTD  3" \
       'PORTB' SPI_PORTIDX
 
-choice 'Bit MOSI'			\
+   choice 'Bit MOSI'			\
       "Bit0 0 \
        Bit1 1 \
        Bit2 2 \
@@ -20,7 +21,7 @@ choice 'Bit MOSI'			\
        Bit7 7" \
       'Bit5' SPI_PIN_MOSI
 
-choice 'Bit MISO'			\
+   choice 'Bit MISO'			\
       "Bit0 0 \
        Bit1 1 \
        Bit2 2 \
@@ -31,7 +32,7 @@ choice 'Bit MISO'			\
        Bit7 7" \
       'Bit6' SPI_PIN_MISO
 
-choice 'Bit SCK'			\
+   choice 'Bit SCK'			\
       "Bit0 0 \
        Bit1 1 \
        Bit2 2 \
@@ -42,7 +43,7 @@ choice 'Bit SCK'			\
        Bit7 7" \
       'Bit7' SPI_PIN_SCK
 
-choice 'Bit SS'			\
+   choice 'Bit SS'			\
       "Bit0 0 \
        Bit1 1 \
        Bit2 2 \
@@ -53,16 +54,17 @@ choice 'Bit SS'			\
        Bit7 7" \
       'Bit4' SPI_PIN_SS
 
-dep_bool_menu "Use interrupt" CAN_INTERRUPT y
+   dep_bool_menu "Use interrupt" CAN_INTERRUPT y
 
-choice 'Interrupt Port'			\
+   if [ "$CAN_INTERRUPT" = "y" ]; then
+      choice 'Interrupt Port'			\
          "PINA  PINA \
           PINB  PINB \
           PINC  PINC \
           PIND  PIND" \
          'PIND' SPI_REG_PIN_MCP_INT
 
-choice 'Interrupt Bit'			\
+      choice 'Interrupt Bit'			\
          "Bit0 0 \
           Bit1 1 \
           Bit2 2 \
@@ -72,7 +74,7 @@ choice 'Interrupt Bit'			\
           Bit6 6 \
           Bit7 7" \
          'Bit2' SPI_PIN_MCP_INT
-
-endmenu
-
+   fi
+   endmenu
+fi
 endmenu