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

[qmk_firmware.git] / keyboards / helix / rev2 / keymaps / five_rows / rules.mk

diff --git a/keyboards/helix/rev2/keymaps/five_rows/rules.mk b/keyboards/helix/rev2/keymaps/five_rows/rules.mk
index 53a00d8d4d004bf0c5022a6053eee3c35f4d2762..402f855ae1badb3e9d0abf2756ac6c915d4a4882 100644 (file)
--- a/keyboards/helix/rev2/keymaps/five_rows/rules.mk
+++ b/keyboards/helix/rev2/keymaps/five_rows/rules.mk
@@ -36,6 +36,7 @@ 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.
@@ -110,6 +111,10 @@ ifeq ($(strip $(LOCAL_GLCDFONT)), yes)
     OPT_DEFS += -DLOCAL_GLCDFONT
 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