From f59c3bd72643ba5cf5c7dcd162bc5a956083d1db Mon Sep 17 00:00:00 2001
From: Scott Shawcroft <scott@tannewt.org>
Date: Tue, 4 Dec 2018 18:22:23 -0800
Subject: [PATCH] Add flag comment

---
 ports/atmel-samd/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ports/atmel-samd/Makefile b/ports/atmel-samd/Makefile
index 53fc59e59d..9a31eb42ae 100644
--- a/ports/atmel-samd/Makefile
+++ b/ports/atmel-samd/Makefile
@@ -81,6 +81,7 @@ BASE_CFLAGS = \
 	-DCIRCUITPY_SAFE_RESTART_WORD=0xDEADBEEF \
 	--param max-inline-insns-single=500
 
+	# Use these flags to debug build times and header includes.
 	# -ftime-report
 	# -H
 # NDEBUG disables assert() statements. This reduces code size pretty dramatically, per tannewt.