Better handle LTO_ENABLE (#9832)

* Better handle LTO_ENABLE Especially when calling from command line * Replace LINK_TIME_OPTIMIZATION_ENABLE with LTO_ENABLE * Remove long for LTO from show_options.mk
qmk · Aug 29, 2020 · 92385b3 · 92385b3
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diff --git a/docs/config_options.md b/docs/config_options.md
@@ -324,11 +324,9 @@ This is a [make](https://www.gnu.org/software/make/manual/make.html) file that i
     ```
 * `LAYOUTS`
   * A list of [layouts](feature_layouts.md) this keyboard supports.
-* `LINK_TIME_OPTIMIZATION_ENABLE`
+* `LTO_ENABLE`
   * Enables Link Time Optimization (LTO) when compiling the keyboard.  This makes the process take longer, but it can significantly reduce the compiled size (and since the firmware is small, the added time is not noticeable).
 However, this will automatically disable the legacy TMK Macros and Functions features, as these break when LTO is enabled.  It does this by automatically defining `NO_ACTION_MACRO` and `NO_ACTION_FUNCTION`.  (Note: This does not affect QMK [Macros](feature_macros.md) and [Layers](feature_layers.md).)
-* `LTO_ENABLE`
-  * Has the same meaning as `LINK_TIME_OPTIMIZATION_ENABLE`.  You can use `LTO_ENABLE` instead of `LINK_TIME_OPTIMIZATION_ENABLE`.
 
 ## AVR MCU Options
 * `MCU = atmega32u4`

diff --git a/docs/ja/config_options.md b/docs/ja/config_options.md
@@ -322,11 +322,9 @@ QMK での全ての利用可能な設定にはデフォルトがあります。
     ```
 * `LAYOUTS`
   * このキーボードがサポートする[レイアウト](ja/feature_layouts.md)のリスト
-* `LINK_TIME_OPTIMIZATION_ENABLE`
+* `LTO_ENABLE`
   * キーボードをコンパイルする時に、Link Time Optimization (LTO) を有効にします。これは処理に時間が掛かりますが、コンパイルされたサイズを大幅に減らします (そして、ファームウェアが小さいため、追加の時間は分からないくらいです)。
 ただし、LTO が有効な場合、古い TMK のマクロと関数の機能が壊れるため、自動的にこれらの機能を無効にします。これは `NO_ACTION_MACRO` と `NO_ACTION_FUNCTION` を自動的に定義することで行われます。(メモ: これは QMK の [マクロ](ja/feature_macros.md) と [レイヤー](ja/feature_layers.md) には影響を与えません。)
-* `LTO_ENABLE`
-  * LINK_TIME_OPTIMIZATION_ENABLE と同じ意味です。`LINK_TIME_OPTIMIZATION_ENABLE` の代わりに `LTO_ENABLE` を使うことができます。
 
 ## AVR MCU オプション
 * `MCU = atmega32u4`

diff --git a/keyboards/1upkeyboards/sweet16/v1/rules.mk b/keyboards/1upkeyboards/sweet16/v1/rules.mk
@@ -14,4 +14,4 @@ BOOTLOADER = caterina
 RGBLIGHT_ENABLE = yes
 BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/1upkeyboards/sweet16/v2/promicro/rules.mk b/keyboards/1upkeyboards/sweet16/v2/promicro/rules.mk
@@ -18,4 +18,4 @@ CONSOLE_ENABLE = yes
 RGBLIGHT_ENABLE = no
 ENCODER_ENABLE = yes
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/bm60rgb/rules.mk b/keyboards/bm60rgb/rules.mk
@@ -31,7 +31,7 @@ BLUETOOTH_ENABLE = no        # Enable Bluetooth with the Adafruit EZ-Key HID
 AUDIO_ENABLE = no            # Audio output on port C6
 FAUXCLICKY_ENABLE = no       # Use buzzer to emulate clicky switches
 RGB_MATRIX_ENABLE = WS2812
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 
 # partially generated by KBFirmware JSON to QMK Parser
 # https://noroadsleft.github.io/kbf_qmk_converter/
diff --git a/keyboards/clueboard/66/keymaps/via/rules.mk b/keyboards/clueboard/66/keymaps/via/rules.mk
@@ -1,4 +1,4 @@
 # rules.mk overrides to enable VIA
 
 VIA_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/clueboard/card/rules.mk b/keyboards/clueboard/card/rules.mk
@@ -26,4 +26,4 @@ UNICODE_ENABLE = no        # Unicode
 BLUETOOTH_ENABLE = no      # Enable Bluetooth with the Adafruit EZ-Key HID
 AUDIO_ENABLE = yes         # Audio output on port C6
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/converter/usb_usb/keymaps/chriskopher/rules.mk b/keyboards/converter/usb_usb/keymaps/chriskopher/rules.mk
@@ -19,6 +19,6 @@ EXTRAKEY_ENABLE = yes # Used for audio control and system control keys
 COMBO_ENABLE = yes # Used to allow chording of keys to trigger an action
 TAP_DANCE_ENABLE = yes # Used to allow multiple taps of a key to perform different actions
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes # Reduces the compiled firmware size
+LTO_ENABLE = yes # Reduces the compiled firmware size
 
 SRC += combo.c tap_dance.c
diff --git a/keyboards/crkbd/keymaps/ninjonas/rules.mk b/keyboards/crkbd/keymaps/ninjonas/rules.mk
@@ -1,7 +1,7 @@
 RGB_MATRIX_ENABLE = WS2812
 MOUSEKEY_ENABLE = no
 OLED_DRIVER_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
diff --git a/keyboards/crkbd/keymaps/rpbaptist/rules.mk b/keyboards/crkbd/keymaps/rpbaptist/rules.mk
@@ -1,5 +1,5 @@
 #This enables Link Time Optimization.This can save a good chunk of space(several KB for me), but the macro and function... functions cause it to error out.
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 
 #Build Options
 #change to "no" to disable the options, or define them in the Makefile in

diff --git a/keyboards/dz60/keymaps/via/rules.mk b/keyboards/dz60/keymaps/via/rules.mk
@@ -1,2 +1,2 @@
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 VIA_ENABLE = yes
diff --git a/keyboards/dztech/dz60rgb/keymaps/xunz/rules.mk b/keyboards/dztech/dz60rgb/keymaps/xunz/rules.mk
@@ -1,5 +1,4 @@
 NKRO_ENABLE = yes                 # USB Nkey Rollover
 # VELOCIKEY_ENABLE = yes
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
-
+LTO_ENABLE = yes
diff --git a/keyboards/dztech/dz65rgb/keymaps/chocol8/rules.mk b/keyboards/dztech/dz65rgb/keymaps/chocol8/rules.mk
@@ -2,5 +2,4 @@ NKRO_ENABLE = yes            # USB Nkey Rollover
 VELOCIKEY_ENABLE = yes
 # AUTO_SHIFT_ENABLE = yes      # Auto Shift
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
-
+LTO_ENABLE = yes
diff --git a/keyboards/dztech/dz65rgb/keymaps/matthewrobo/rules.mk b/keyboards/dztech/dz65rgb/keymaps/matthewrobo/rules.mk
@@ -2,5 +2,4 @@ NKRO_ENABLE = yes                 # USB Nkey Rollover
 AUTO_SHIFT_ENABLE = yes      # Auto Shift
 # VELOCIKEY_ENABLE = yes
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
-
+LTO_ENABLE = yes
diff --git a/keyboards/ergodox_ez/keymaps/hacker_dvorak/rules.mk b/keyboards/ergodox_ez/keymaps/hacker_dvorak/rules.mk
@@ -1,7 +1,7 @@
 # Set any rules.mk overrides for your specific keymap here.
 # See rules at https://docs.qmk.fm/#/config_options?id=the-rulesmk-file
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 NKRO_ENABLE      = yes  # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 TAP_DANCE_ENABLE = yes
 MOUSEKEY_ENABLE  = yes  # Mouse keys(+4700b).

diff --git a/keyboards/ergodox_ez/keymaps/nathanvercaemert/rules.mk b/keyboards/ergodox_ez/keymaps/nathanvercaemert/rules.mk
@@ -1,6 +1,6 @@
 # Set any rules.mk overrides for your specific keymap here.
 # See rules at https://docs.qmk.fm/#/config_options?id=the-rulesmk-file
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 COMMAND_ENABLE = no
 RGBLIGHT_ENABLE = no
 TAP_DANCE_ENABLE=yes

diff --git a/keyboards/flx/virgo/rules.mk b/keyboards/flx/virgo/rules.mk
@@ -30,5 +30,4 @@ UNICODE_ENABLE = no          # Unicode
 BLUETOOTH_ENABLE = no        # Enable Bluetooth with the Adafruit EZ-Key HID
 AUDIO_ENABLE = no            # Audio output on port C6
 FAUXCLICKY_ENABLE = no       # Use buzzer to emulate clicky switches
-LINK_TIME_OPTIMIZATION_ENABLE = yes
-
+LTO_ENABLE = yes
diff --git a/keyboards/gray_studio/think65/hotswap/rules.mk b/keyboards/gray_studio/think65/hotswap/rules.mk
@@ -32,7 +32,7 @@ AUDIO_ENABLE = no            # Audio output on port C6
 FAUXCLICKY_ENABLE = no       # Use buzzer to emulate clicky switches
 HD44780_ENABLE = no          # Enable support for HD44780 based LCDs
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 
 LAYOUTS = 65_ansi_blocker
 

diff --git a/keyboards/gray_studio/think65/solder/rules.mk b/keyboards/gray_studio/think65/solder/rules.mk
@@ -32,7 +32,7 @@ AUDIO_ENABLE = no            # Audio output on port C6
 FAUXCLICKY_ENABLE = no       # Use buzzer to emulate clicky switches
 HD44780_ENABLE = no          # Enable support for HD44780 based LCDs
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 
 LAYOUTS = 65_ansi_blocker
 

diff --git a/keyboards/handwired/promethium/rules.mk b/keyboards/handwired/promethium/rules.mk
@@ -45,4 +45,4 @@ SRC += rgbsps.c
 SRC += analog.c
 SRC += matrix.c
 
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/helix/pico/keymaps/biacco/rules.mk b/keyboards/helix/pico/keymaps/biacco/rules.mk
@@ -7,7 +7,7 @@
 #
 EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
 AUDIO_ENABLE = yes           # Audio output on port B5
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 6 Variables

diff --git a/keyboards/helix/pico/keymaps/default/rules.mk b/keyboards/helix/pico/keymaps/default/rules.mk
@@ -7,7 +7,7 @@
 #
 EXTRAKEY_ENABLE = yes       # Audio control and System control
 AUDIO_ENABLE = yes          # Audio output on port B5
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 6 Variables

diff --git a/keyboards/helix/pico/keymaps/mtei/rules.mk b/keyboards/helix/pico/keymaps/mtei/rules.mk
@@ -7,7 +7,7 @@
 #
 EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
 AUDIO_ENABLE = yes          # Audio output on port B5
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 6 Variables

diff --git a/keyboards/helix/pico/local_features.mk b/keyboards/helix/pico/local_features.mk
@@ -106,10 +106,10 @@ endif
 
 ifeq ($(strip $(AUDIO_ENABLE)),yes)
   ifeq ($(strip $(RGBLIGHT_ENABLE)),yes)
-    LINK_TIME_OPTIMIZATION_ENABLE = yes
+    LTO_ENABLE = yes
   endif
   ifeq ($(strip $(OLED_ENABLE)),yes)
-    LINK_TIME_OPTIMIZATION_ENABLE = yes
+    LTO_ENABLE = yes
   endif
 endif
 
@@ -120,7 +120,7 @@ ifneq ($(strip $(SHOW_HELIX_OPTIONS)),)
      $(info -- OLED_DRIVER_ENABLE = $(OLED_DRIVER_ENABLE))
      $(info -- CONSOLE_ENABLE     = $(CONSOLE_ENABLE))
      $(info -- OPT_DEFS           = $(OPT_DEFS))
-     $(info -- LINK_TIME_OPTIMIZATION_ENABLE = $(LINK_TIME_OPTIMIZATION_ENABLE))
+     $(info -- LTO_ENABLE = $(LTO_ENABLE))
      $(info )
   endif
 endif
diff --git a/keyboards/helix/rev2/keymaps/default/rules.mk b/keyboards/helix/rev2/keymaps/default/rules.mk
@@ -5,7 +5,7 @@
 #   See TOP/keyboards/helix/rules.mk for a list of options that can be set.
 #   See TOP/docs/config_options.md for more information.
 #
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 7 Variables

diff --git a/keyboards/helix/rev2/keymaps/edvorakjp/rules.mk b/keyboards/helix/rev2/keymaps/edvorakjp/rules.mk
@@ -5,7 +5,7 @@
 #   See TOP/keyboards/helix/rules.mk for a list of options that can be set.
 #   See TOP/docs/config_options.md for more information.
 #
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 TAP_DANCE_ENABLE = yes
 
 # Helix Spacific Build Options

diff --git a/keyboards/helix/rev2/keymaps/five_rows/rules.mk b/keyboards/helix/rev2/keymaps/five_rows/rules.mk
@@ -11,7 +11,7 @@
  #      yes, no  +1500
  #      yes, yes +3200
  #      no,  yes +400
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 7 Variables

diff --git a/keyboards/helix/rev2/keymaps/five_rows_jis/rules.mk b/keyboards/helix/rev2/keymaps/five_rows_jis/rules.mk
@@ -5,7 +5,7 @@
 #   See TOP/keyboards/helix/rules.mk for a list of options that can be set.
 #   See TOP/docs/config_options.md for more information.
 #
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 7 Variables

diff --git a/keyboards/helix/rev2/keymaps/froggy/rules.mk b/keyboards/helix/rev2/keymaps/froggy/rules.mk
@@ -5,7 +5,7 @@
 #   See TOP/keyboards/helix/rules.mk for a list of options that can be set.
 #   See TOP/docs/config_options.md for more information.
 #
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 7 Variables

diff --git a/keyboards/helix/rev2/keymaps/froggy_106/rules.mk b/keyboards/helix/rev2/keymaps/froggy_106/rules.mk
@@ -5,7 +5,7 @@
 #   See TOP/keyboards/helix/rules.mk for a list of options that can be set.
 #   See TOP/docs/config_options.md for more information.
 #
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 7 Variables

diff --git a/keyboards/helix/rev2/keymaps/led_test/rules.mk b/keyboards/helix/rev2/keymaps/led_test/rules.mk
@@ -5,7 +5,7 @@
 #   See TOP/keyboards/helix/rules.mk for a list of options that can be set.
 #   See TOP/docs/config_options.md for more information.
 #
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 7 Variables

diff --git a/keyboards/helix/rev2/keymaps/yshrsmz/rules.mk b/keyboards/helix/rev2/keymaps/yshrsmz/rules.mk
@@ -5,7 +5,7 @@
 #   See TOP/keyboards/helix/rules.mk for a list of options that can be set.
 #   See TOP/docs/config_options.md for more information.
 #
-LINK_TIME_OPTIMIZATION_ENABLE = no  # if firmware size over limit, try this option
+LTO_ENABLE = no  # if firmware size over limit, try this option
 
 # Helix Spacific Build Options
 # you can uncomment and edit follows 7 Variables

diff --git a/keyboards/helix/rev2/local_features.mk b/keyboards/helix/rev2/local_features.mk
@@ -119,7 +119,7 @@ ifneq ($(strip $(SHOW_HELIX_OPTIONS)),)
      $(info -- OLED_DRIVER_ENABLE = $(OLED_DRIVER_ENABLE))
      $(info -- CONSOLE_ENABLE     = $(CONSOLE_ENABLE))
      $(info -- OPT_DEFS           = $(OPT_DEFS))
-     $(info -- LINK_TIME_OPTIMIZATION_ENABLE = $(LINK_TIME_OPTIMIZATION_ENABLE))
+     $(info -- LTO_ENABLE = $(LTO_ENABLE))
      $(info )
   endif
 endif
diff --git a/keyboards/hineybush/h88/rules.mk b/keyboards/hineybush/h88/rules.mk
@@ -30,4 +30,4 @@ UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 AUDIO_ENABLE = no           # Audio output on port C6
 FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/hotdox/keymaps/ninjonas/rules.mk b/keyboards/hotdox/keymaps/ninjonas/rules.mk
@@ -1 +1 @@
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/id80/keymaps/via/rules.mk b/keyboards/id80/keymaps/via/rules.mk
@@ -1,2 +1,2 @@
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 VIA_ENABLE = yes
diff --git a/keyboards/kc60/keymaps/noroadsleft/rules.mk b/keyboards/kc60/keymaps/noroadsleft/rules.mk
@@ -1,6 +1,6 @@
 # https://github.com/qmk/qmk_firmware/issues/3448#issuecomment-406636125
 # EXTRAFLAGS        += -flto
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 
 MOUSEKEY_ENABLE = no        # Mouse keys
 # COMMAND_ENABLE = no         # Commands for debug and configuration

diff --git a/keyboards/keebio/bdn9/keymaps/via/rules.mk b/keyboards/keebio/bdn9/keymaps/via/rules.mk
@@ -1,5 +1,5 @@
 VIA_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 MOUSEKEY_ENABLE = yes
 CONSOLE_ENABLE = yes
 COMMAND_ENABLE = no
diff --git a/keyboards/keebio/iris/keymaps/pvinis/rules.mk b/keyboards/keebio/iris/keymaps/pvinis/rules.mk
@@ -4,6 +4,6 @@ RGBLIGHT_ENABLE  = yes  # rgb leds underlight
 ENCODER_ENABLE   = yes  # rotary knob
 
 # Some extra stuff to make firmware smaller.
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 CONSOLE_ENABLE = no
 COMMAND_ENABLE = no
diff --git a/keyboards/keebio/iris/keymaps/via/rules.mk b/keyboards/keebio/iris/keymaps/via/rules.mk
@@ -1,2 +1,2 @@
 VIA_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/keebio/quefrency/keymaps/drashna_ms/rules.mk b/keyboards/keebio/quefrency/keymaps/drashna_ms/rules.mk
@@ -1,4 +1,4 @@
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 RGBLIGHT_ENABLE = yes
 EXTRAKEY_ENABLE = yes
 AUDIO_ENABLE = yes

diff --git a/keyboards/keebio/quefrency/keymaps/via/rules.mk b/keyboards/keebio/quefrency/keymaps/via/rules.mk
@@ -1,3 +1,3 @@
 VIA_ENABLE = yes
 CONSOLE_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/kyria/keymaps/ninjonas/rules.mk b/keyboards/kyria/keymaps/ninjonas/rules.mk
@@ -1,6 +1,6 @@
 OLED_DRIVER_ENABLE = yes   # Enables the use of OLED displays
 ENCODER_ENABLE = yes       # Enables the use of one or more encoders
 RGBLIGHT_ENABLE = yes      # Enable keyboard RGB underglow
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 
-SRC += oled.c
+SRC += oled.c
diff --git a/keyboards/kyria/rules.mk b/keyboards/kyria/rules.mk
@@ -31,6 +31,6 @@ AUDIO_ENABLE = no          # Audio output on port C6
 FAUXCLICKY_ENABLE = no     # Use buzzer to emulate clicky switches
 HD44780_ENABLE = no        # Enable support for HD44780 based LCDs
 SPLIT_KEYBOARD = yes       # Split common
-LINK_TIME_OPTIMIZATION_ENABLE =yes 
+LTO_ENABLE = yes
 
 DEFAULT_FOLDER = kyria/rev1
diff --git a/keyboards/launchpad/keymaps/via/rules.mk b/keyboards/launchpad/keymaps/via/rules.mk
@@ -1,3 +1,3 @@
 VIA_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 RGBLIGHT_ENABLE = yes
diff --git a/keyboards/lily58/keymaps/ninjonas/rules.mk b/keyboards/lily58/keymaps/ninjonas/rules.mk
@@ -1,2 +1,2 @@
 OLED_DRIVER_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/pinky/3/keymaps/ninjonas/rules.mk b/keyboards/pinky/3/keymaps/ninjonas/rules.mk
@@ -1,2 +1,2 @@
 MOUSEKEY_ENABLE = no
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/planck/keymaps/oryx/rules.mk b/keyboards/planck/keymaps/oryx/rules.mk
@@ -1,6 +1,6 @@
 SRC += muse.c
 # Set any rules.mk overrides for your specific keymap here.
 # See rules at https://docs.qmk.fm/#/config_options?id=the-rulesmk-file
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 COMMAND_ENABLE = no
 MOUSEKEY_ENABLE = no
diff --git a/keyboards/planck/keymaps/sascha/rules.mk b/keyboards/planck/keymaps/sascha/rules.mk
@@ -1,7 +1,7 @@
 AUTO_SHIFT_ENABLE = yes
 AUTO_SHIFT_MODIFIERS = yes
 UNICODE_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 
 ifeq ($(strip $(KEYBOARD)), planck/rev5)
 BACKLIGHT_ENABLE = yes

diff --git a/keyboards/planck/keymaps/tylerwince/rules.mk b/keyboards/planck/keymaps/tylerwince/rules.mk
@@ -1,7 +1,7 @@
 SRC += muse.c
 # Set any rules.mk overrides for your specific keymap here.
 # See rules at https://docs.qmk.fm/#/config_options?id=the-rulesmk-file
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 COMMAND_ENABLE = no
 MOUSEKEY_ENABLE = no
 TAP_DANCE_ENABLE=yes
Original file line number	Diff line number	Diff line change
		@@ -1 +1 @@
		LINK_TIME_OPTIMIZATION_ENABLE = yes
		LTO_ENABLE = yes