2.0 does not build for CR-10

[RudolphRiedel]

Description

When using the configuration files from Marlin-bugfix-2.0.x\Marlin\src\config\examples\Creality\CR-10 and building with Arduino 1.9beta for Sanguino/ATMega1284P, the build stops with a gazillion of errors.

Steps to Reproduce

Download the archive, unzip it, copy over the CR-10 setup files without touching them, open in Arduino, setup board to Sanguino/ATMega1284P, try to build.

At ultralcd_st7920_u8glib_rrd_AVR.cpp the compiler is starting to throw errors.

Additional Information

In file included from C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\../../inc/../HAL/HAL_AVR/HAL_AVR.h:46:0,

                 from C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\../../inc/../HAL/HAL.h:38,

                 from C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\../../inc/MarlinConfig.h:28,

                 from C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\ultralcd_st7920_u8glib_rrd_AVR.cpp:26:

C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\../../inc/../pins/pins_MELZI_CREALITY.h:53:31: error: pasting "/* st9720 CLK*/" and "_RPORT" does not give a valid preprocessing token

 #define LCD_PINS_D4        30 // st9720 CLK

                               ^

C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\../../inc/../HAL/HAL_AVR/fastio_AVR.h:85:41: note: in definition of macro '_WRITE'

 #define _WRITE(IO, v) do { if (&(DIO ## IO ## _RPORT) >= (uint8_t *)0x100) {_WRITE_C(IO, v); } else {_WRITE_NC(IO, v); }; } while (0)

                                         ^

C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\ultralcd_st7920_u8glib_rrd_AVR.cpp:88:3: note: in expansion of macro 'WRITE'

   WRITE(ST7920_CLK_PIN, LOW);        ST7920_DELAY_1; \

   ^

C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\ultralcd_st7920_u8glib_rrd_AVR.cpp:32:25: note: in expansion of macro 'LCD_PINS_D4'

 #define ST7920_CLK_PIN  LCD_PINS_D4

                         ^

C:\Users\Ich\AppData\Local\Temp\arduino_build_670844\sketch\src\lcd\dogm\ultralcd_st7920_u8glib_rrd_AVR.cpp:88:9: note: in expansion of macro 'ST7920_CLK_PIN'

   WRITE(ST7920_CLK_PIN, LOW);        ST7920_DELAY_1; \

[thinkyhead]

This is due to a bug —a regression— in Arduino 1.9. This bug has been reported but apparently still not fixed. To work around the issue, remove the comment from the end of this line:

 #define LCD_PINS_D4        30 // st9720 CLK

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