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-rw-r--r--keyboards/helix/pico/keymaps/default/rules.mk14
1 files changed, 14 insertions, 0 deletions
diff --git a/keyboards/helix/pico/keymaps/default/rules.mk b/keyboards/helix/pico/keymaps/default/rules.mk
index 18b1d596b4..afb1240685 100644
--- a/keyboards/helix/pico/keymaps/default/rules.mk
+++ b/keyboards/helix/pico/keymaps/default/rules.mk
@@ -35,6 +35,7 @@ LED_BACK_ENABLE = no # LED backlight (Enable WS2812 RGB underlight.)
LED_UNDERGLOW_ENABLE = no # LED underglow (Enable WS2812 RGB underlight.)
LED_ANIMATIONS = yes # LED animations
IOS_DEVICE_ENABLE = no # connect to IOS device (iPad,iPhone)
+Link_Time_Optimization = no # if firmware size over limit, try this option
#### LED_BACK_ENABLE and LED_UNDERGLOW_ENABLE.
#### Do not enable these with audio at the same time.
@@ -102,6 +103,19 @@ ifeq ($(strip $(LOCAL_GLCDFONT)), yes)
OPT_DEFS += -DLOCAL_GLCDFONT
endif
+ifeq ($(strip $(AUDIO_ENABLE)),yes)
+ ifeq ($(strip $(RGBLIGHT_ENABLE)),yes)
+ Link_Time_Optimization = yes
+ endif
+ ifeq ($(strip $(OLED_ENABLE)),yes)
+ Link_Time_Optimization = yes
+ endif
+endif
+
+ifeq ($(strip $(Link_Time_Optimization)),yes)
+ EXTRAFLAGS += -flto -DUSE_Link_Time_Optimization
+endif
+
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend