Keyboard: fixed build break (size overflow) HelixPico with Backlight or Underglow...

[qmk_firmware.git] / keyboards / helix / pico / keymaps / default / rules.mk

diff --git a/keyboards/helix/pico/keymaps/default/rules.mk b/keyboards/helix/pico/keymaps/default/rules.mk
index 18b1d596b4c01d9ee6a581dd8d3ace822eafc46a..afb1240685d46922fe2d02d9ef3ee2d5c546da72 100644 (file)
--- 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