From 164a349abbb05cde1b99cdfa37a094456c4209b0 Mon Sep 17 00:00:00 2001
From: Romain Goyet <romain@goyet.com>
Date: Wed, 20 May 2015 13:04:33 +0200
Subject: [PATCH] Support for COMMON blocks in the linker script

---
 platform/stm32f429/boot/flash.ld | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/platform/stm32f429/boot/flash.ld b/platform/stm32f429/boot/flash.ld
index 47ca6648b..3773a2e8e 100644
--- a/platform/stm32f429/boot/flash.ld
+++ b/platform/stm32f429/boot/flash.ld
@@ -137,6 +137,9 @@ SECTIONS {
     _bss_section_start_ram = .;
     *(.bss)
     *(.bss.*)
+    /* The compiler may choose to allocate uninitialized global variables as
+     * COMMON blocks. This can be disabled with -fno-common if needed. */
+    *(COMMON)
     _bss_section_end_ram = .;
   } >SRAM