Better handle LTO_ENABLE (qmk#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

show_options.mk

@@ -84,8 +84,7 @@ OTHER_OPTION_NAMES = \
   RGB_MATRIX_KEYPRESSES \
   LED_MIRRORED \
   RGBLIGHT_FULL_POWER \
-  Link_Time_Optimization \
-  LINK_TIME_OPTIMIZATION_ENABLE
+  LTO_ENABLE
 
 define NAME_ECHO
 	@echo "  $1 = $($1)		# $(origin $1)"

tmk_core/common.mk

@@ -165,16 +165,13 @@ ifeq ($(strip $(SHARED_EP_ENABLE)), yes)
 endif
 
 ifeq ($(strip $(LTO_ENABLE)), yes)
-    LINK_TIME_OPTIMIZATION_ENABLE = yes
-endif
-
-ifeq ($(strip $(LINK_TIME_OPTIMIZATION_ENABLE)), yes)
     ifeq ($(PLATFORM),CHIBIOS)
         $(info Enabling LTO on ChibiOS-targeting boards is known to have a high likelihood of failure.)
-        $(info If unsure, set LINK_TIME_OPTIMIZATION_ENABLE = no.)
+        $(info If unsure, set LTO_ENABLE = no.)
     endif
     EXTRAFLAGS += -flto
-    TMK_COMMON_DEFS += -DLINK_TIME_OPTIMIZATION_ENABLE
+    TMK_COMMON_DEFS += -DLTO_ENABLE
+    TMK_COMMON_DEFS += -DLINK_TIME_OPTIMIZATON_ENABLE
 endif
 
 # Search Path

tmk_core/common/action.h

@@ -29,7 +29,7 @@ extern "C" {
 #endif
 
 /* Disable macro and function features when LTO is enabled, since they break */
-#ifdef LINK_TIME_OPTIMIZATION_ENABLE
+#ifdef LTO_ENABLE
 #    ifndef NO_ACTION_MACRO
 #        define NO_ACTION_MACRO
 #    endif

tmk_core/common/command.c

@@ -181,7 +181,7 @@ static void print_version(void) {
 #ifdef NKRO_ENABLE
           " NKRO"
 #endif
-#ifdef LINK_TIME_OPTIMIZATION_ENABLE
+#ifdef LTO_ENABLE
           " LTO"
 #endif