Move non-assignment code to post_rules.mk (#14207)

* 40percentclub/ut47: move non-assignment code to post_rules.mk

* converter/palm_usb: move non-assignment code to post_rules.mk

* converter/sun_usb: move non-assignment code to post_rules.mk

* dm9records/ergoinu: move non-assignment code to post_rules.mk

* ergotaco: move non-assignment code to post_rules.mk

* handwired/symmetric70_proto: move non-assignment code to post_rules.mk

* hhkb/ansi: move non-assignment code to post_rules.mk

* hhkb/jp: move non-assignment code to post_rules.mk

* lfkeyboards/lfk78: move non-assignment code to post_rules.mk

* lfkeyboards/lfk87: move non-assignment code to post_rules.mk

* lfkeyboards/lfkpad: move non-assignment code to post_rules.mk

* lfkeyboards/mini1800: move non-assignment code to post_rules.mk

* manta60: move non-assignment code to post_rules.mk

* mschwingen/modelm: move non-assignment code to post_rules.mk

* newgame40: move non-assignment code to post_rules.mk

* numatreus: move non-assignment code to post_rules.mk

* rgbkb/zen: move non-assignment code to post_rules.mk

* rgbkb/zen/rev2: move non-assignment code to post_rules.mk

* Revert "handwired/symmetric70_proto: move non-assignment code to post_rules.mk"

This reverts commit cffaf0075c3c9b2473a660ba4af8835a9162311b.

4 files changed, 19 insertions, 21 deletions

diff --git a/keyboards/rgbkb/zen/post_rules.mk b/keyboards/rgbkb/zen/post_rules.mk
new file mode 100644
index 0000000000..3ddb449efa
--- /dev/null
+++ b/keyboards/rgbkb/zen/post_rules.mk
@@ -0,0 +1,14 @@
+ifeq ($(strip $(CTPC)), yes)
+  CONVERT_TO_PROTON_C=yes
+endif
+
+ifeq ($(strip $(CONVERT_TO_PROTON_C)), yes)
+  SPLIT_KEYBOARD = no       # currently unsupported on ARM
+  RGBLIGHT_ENABLE = no      # currently unsupported on ARM
+
+  EXTRAFLAGS += -DUSE_PROTON_C
+else
+  # Currently moved to Pro Micro only section because of lack of Proton-C support
+  SPLIT_KEYBOARD = yes
+  RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight.
+endif
diff --git a/keyboards/rgbkb/zen/rev2/post_rules.mk b/keyboards/rgbkb/zen/rev2/post_rules.mk
new file mode 100644
index 0000000000..2a4397e980
--- /dev/null
+++ b/keyboards/rgbkb/zen/rev2/post_rules.mk
@@ -0,0 +1,5 @@
+# Setup so that OLED can be turned on/off easily
+ifeq ($(strip $(OLED_ENABLE)), yes)
+  # Custom local font file
+  OPT_DEFS += -DOLED_FONT_H=\"common/glcdfont.c\"
+endif
diff --git a/keyboards/rgbkb/zen/rev2/rules.mk b/keyboards/rgbkb/zen/rev2/rules.mk
index 9bb8b8cd0d..6dd9d2e270 100644
--- a/keyboards/rgbkb/zen/rev2/rules.mk
+++ b/keyboards/rgbkb/zen/rev2/rules.mk
@@ -1,9 +1,3 @@
 ENCODER_ENABLE = yes
 
 OLED_ENABLE = no
-
-# Setup so that OLED can be turned on/off easily
-ifeq ($(strip $(OLED_ENABLE)), yes)
-  # Custom local font file
-  OPT_DEFS += -DOLED_FONT_H=\"common/glcdfont.c\"
-endif
diff --git a/keyboards/rgbkb/zen/rules.mk b/keyboards/rgbkb/zen/rules.mk
index c18c84be54..0bf7eae653 100644
--- a/keyboards/rgbkb/zen/rules.mk
+++ b/keyboards/rgbkb/zen/rules.mk
@@ -4,21 +4,6 @@ MCU = atmega32u4
 # Bootloader selection
 BOOTLOADER = caterina
 
-ifeq ($(strip $(CTPC)), yes)
-  CONVERT_TO_PROTON_C=yes
-endif
-
-ifeq ($(strip $(CONVERT_TO_PROTON_C)), yes)
-  SPLIT_KEYBOARD = no       # currently unsupported on ARM
-  RGBLIGHT_ENABLE = no      # currently unsupported on ARM
-
-  EXTRAFLAGS += -DUSE_PROTON_C
-else
-  # Currently moved to Pro Micro only section because of lack of Proton-C support
-  SPLIT_KEYBOARD = yes
-  RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight.
-endif
-
 # Build Options
 #   change to "no" to disable the options, or define them in the Makefile in
 #   the appropriate keymap folder that will get included automatically