From 69dd791cbdb8ff8af1833fdf566dfebae08b6c9a Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Fri, 11 Sep 2020 14:25:44 +0200
Subject: [PATCH] examples/gnrc_minimal: use picolibc

On `samr21-xpro` this saves 5624 bytes of ROM and 108 bytes of RAM.
---
 examples/gnrc_minimal/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/examples/gnrc_minimal/Makefile b/examples/gnrc_minimal/Makefile
index cb657e60b4..e6387276b2 100644
--- a/examples/gnrc_minimal/Makefile
+++ b/examples/gnrc_minimal/Makefile
@@ -26,6 +26,9 @@ USEMODULE += gnrc_icmpv6_echo
 # Use minimal standard PRNG
 USEMODULE += prng_minstd
 
+# Use picolibc when available
+FEATURES_OPTIONAL += picolibc
+
 CFLAGS += -DLOG_LEVEL=LOG_NONE  # disable log output
 # Set GNRC_PKTBUF_SIZE via CFLAGS if not being set via Kconfig.
 ifndef CONFIG_GNRC_PKTBUF_SIZE