Remove problematic unicode_map stub definition in process_unicodemap.c (#5110)

* Remove problematic unicode_map stub definition in process_unicodemap.c

* Add unicode_map declaration to process_unicodemap.h

* Disable UNICODEMAP on converter boards that don't use it

keyboards/converter/ibm_terminal/keymaps/default/rules.mk

@@ -12,7 +12,6 @@ BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 MIDI_ENABLE = no            # MIDI controls
 AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
-UNICODEMAP_ENABLE = yes
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.
 PS2_USE_USART = yes

keyboards/converter/ibm_terminal/rules.mk

@@ -58,7 +58,6 @@ BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 MIDI_ENABLE = no            # MIDI controls
 AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
-UNICODEMAP_ENABLE = yes
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.
 PS2_USE_USART = yes

keyboards/converter/palm_usb/rules.mk

@@ -22,7 +22,6 @@ BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 MIDI_ENABLE = no            # MIDI controls
 AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
-UNICODEMAP_ENABLE = no
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE

keyboards/converter/sun_usb/rules.mk

@@ -22,7 +22,6 @@ BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
 MIDI_ENABLE = no            # MIDI controls
 AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
-UNICODEMAP_ENABLE = yes
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE

quantum/process_keycode/process_unicodemap.c

@@ -17,9 +17,6 @@
 #include "process_unicodemap.h"
 #include "process_unicode_common.h"
 
-__attribute__((weak))
-const uint32_t PROGMEM unicode_map[] = {};
-
 void register_hex32(uint32_t hex) {
   bool onzerostart = true;
   for(int i = 7; i >= 0; i--) {

quantum/process_keycode/process_unicodemap.h

@@ -19,5 +19,7 @@
 #include "quantum.h"
 #include "process_unicode_common.h"
 
+extern const uint32_t PROGMEM unicode_map[];
+
 void unicodemap_input_error(void);
 bool process_unicodemap(uint16_t keycode, keyrecord_t *record);