From db1baa1141d46a2127089f4a52c6e740f04631ed Mon Sep 17 00:00:00 2001
From: XuGuohui <guohui@redbear.cc>
Date: Tue, 26 Jul 2016 01:55:06 +0800
Subject: [PATCH] Fixes a potential bug when the build_linker.py is newer than
 the given linker scripts, the given linker scripts will be over written,
 which will result empty target files

---
 Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Makefile b/Makefile
index 1b22890682..2edb069df9 100755
--- a/Makefile
+++ b/Makefile
@@ -1916,6 +1916,7 @@ $(PININFOFILE).c $(PININFOFILE).h: scripts/build_pininfo.py
 	$(Q)python scripts/build_pininfo.py $(BOARD) $(PININFOFILE).c $(PININFOFILE).h
 endif
 
+ifndef REDBEARDUO # RedBear Duo use its own linker file
 ifndef NRF5X # nRF5x devices use their own linker files that aren't automatically generated.
 ifndef EFM32
 $(LINKER_FILE): scripts/build_linker.py
@@ -1923,6 +1924,7 @@ $(LINKER_FILE): scripts/build_linker.py
 	$(Q)python scripts/build_linker.py $(BOARD) $(LINKER_FILE) $(BUILD_LINKER_FLAGS)
 endif # EFM32
 endif # NRF5X
+endif # REDBEARDUO
 
 $(PLATFORM_CONFIG_FILE): boards/$(BOARD).py scripts/build_platform_config.py
 	@echo Generating platform configs