add CIRCUITPY_SKIP_SAFE_MODE_WAIT to circuitpy_mpconfig.mk

use #if (also a CIRCUITPY_ULAB)

py/circuitpy_mpconfig.mk

@@ -393,6 +393,11 @@ CFLAGS += -DCIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY=$(CIRCUITPY_SETTABLE_PROCESSO
 CIRCUITPY_SHARPDISPLAY ?= $(CIRCUITPY_FRAMEBUFFERIO)
 CFLAGS += -DCIRCUITPY_SHARPDISPLAY=$(CIRCUITPY_SHARPDISPLAY)
 
+# Disable the safe mode blink at boot. Speeds up boot time, but makes it
+# impossible to enter safe mode by pressing buttons on boot.
+CIRCUITPY_SKIP_SAFE_MODE_WAIT ?= 0
+CFLAGS += -DCIRCUITPY_SKIP_SAFE_MODE_WAIT=$(CIRCUITPY_SKIP_SAFE_MODE_WAIT)
+
 CIRCUITPY_SOCKETPOOL ?= $(CIRCUITPY_WIFI)
 CFLAGS += -DCIRCUITPY_SOCKETPOOL=$(CIRCUITPY_SOCKETPOOL)
 

shared-bindings/adafruit_pixelbuf/PixelBuf.c

@@ -40,7 +40,7 @@
 #include "shared-module/adafruit_pixelbuf/PixelBuf.h"
 #include "shared-bindings/digitalio/DigitalInOut.h"
 
-#ifdef CIRCUITPY_ULAB
+#if CIRCUITPY_ULAB
 #include "extmod/ulab/code/ndarray.h"
 #endif
 

supervisor/shared/safe_mode.c

@@ -66,7 +66,7 @@ safe_mode_t wait_for_safe_mode_reset(void) {
         reset_reason != RESET_REASON_SOFTWARE) {
         return NO_SAFE_MODE;
     }
-    #ifdef CIRCUITPY_SKIP_SAFE_MODE_WAIT
+    #if CIRCUITPY_SKIP_SAFE_MODE_WAIT
     return NO_SAFE_MODE;
     #endif
     port_set_saved_word(SAFE_MODE_DATA_GUARD | (MANUAL_SAFE_MODE << 8));