From f10ccfd83e0235b2e9159af2755efbc3d1872ae5 Mon Sep 17 00:00:00 2001
From: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Date: Thu, 5 Dec 2019 12:21:02 +0100
Subject: [PATCH] f4discovery: Fix error with GCC9 being more picky with sizes.

---
 src/platforms/f4discovery/platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/platforms/f4discovery/platform.c b/src/platforms/f4discovery/platform.c
index 4703317..875c157 100644
--- a/src/platforms/f4discovery/platform.c
+++ b/src/platforms/f4discovery/platform.c
@@ -38,11 +38,11 @@
 #include <libopencm3/cm3/cortex.h>
 
 jmp_buf fatal_error_jmpbuf;
-extern uint32_t _ebss;
+extern char _ebss[];
 
 void platform_init(void)
 {
-	volatile uint32_t *magic = (uint32_t *) &_ebss;
+	volatile uint32_t *magic = (uint32_t *)_ebss;
 	/* Check the USER button*/
 	rcc_periph_clock_enable(RCC_GPIOA);
 	if (gpio_get(GPIOA, GPIO0) ||