Optionally keep intermediate file listings in order to do comparisons between builds. (#20237)

builddefs/build_keyboard.mk

@@ -441,6 +441,14 @@ $(eval $(call add_qmk_prefix_defs,MCU_FAMILY,MCU_FAMILY))
 $(eval $(call add_qmk_prefix_defs,MCU_SERIES,MCU_SERIES))
 $(eval $(call add_qmk_prefix_defs,BOARD,BOARD))
 
+# Control whether intermediate file listings are generated
+# e.g.:
+#    make handwired/onekey/blackpill_f411:default KEEP_INTERMEDIATES=yes
+#    cat .build/obj_handwired_onekey_blackpill_f411_default/quantum/quantum.i | sed -e 's@^#.*@@g' -e 's@^\s*//.*@@g' -e '/^\s*$/d' | clang-format
+ifeq ($(strip $(KEEP_INTERMEDIATES)), yes)
+    OPT_DEFS += -save-temps=obj
+endif
+
 # TODO: remove this bodge?
 PROJECT_DEFS := $(OPT_DEFS)
 PROJECT_INC := $(VPATH) $(EXTRAINCDIRS) $(KEYBOARD_PATHS)

quantum/audio/audio.c

@@ -112,6 +112,10 @@ static bool    audio_initialized    = false;
 static bool    audio_driver_stopped = true;
 audio_config_t audio_config;
 
+void eeconfig_update_audio_current(void) {
+    eeconfig_update_audio(audio_config.raw);
+}
+
 void audio_init(void) {
     if (audio_initialized) {
         return;

quantum/audio/audio.h

@@ -63,6 +63,11 @@ typedef struct {
 
 // public interface
 
+/**
+ * @brief Save the current choices to the eeprom
+ */
+void eeconfig_update_audio_current(void);
+
 /**
  * @brief one-time initialization called by quantum/quantum.c
  * @details usually done lazy, when some tones are to be played

quantum/rgblight/rgblight.c

@@ -422,6 +422,10 @@ void rgblight_disable_noeeprom(void) {
     rgblight_set();
 }
 
+void rgblight_enabled_noeeprom(bool state) {
+    state ? rgblight_enable_noeeprom() : rgblight_disable_noeeprom();
+}
+
 bool rgblight_is_enabled(void) {
     return rgblight_config.enable;
 }

quantum/rgblight/rgblight.h

@@ -321,6 +321,7 @@ void rgblight_enable(void);
 void rgblight_enable_noeeprom(void);
 void rgblight_disable(void);
 void rgblight_disable_noeeprom(void);
+void rgblight_enabled_noeeprom(bool state);
 
 /*   hue, sat, val change */
 void rgblight_increase_hue(void);