From 606ad9272bbc0e10b4c5f0fa1fdb27b80d373fd3 Mon Sep 17 00:00:00 2001
From: guo <guozhanxin@rt-thread.com>
Date: Thu, 18 May 2023 21:54:17 +0800
Subject: [PATCH] [tools] llvm-arm reduce code size.

---
 bsp/stm32/stm32l475-atk-pandora/rtconfig.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bsp/stm32/stm32l475-atk-pandora/rtconfig.py b/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
index 6b54a18e1..7b2ac5813 100644
--- a/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
+++ b/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
@@ -192,6 +192,7 @@ elif PLATFORM == 'llvm-arm':
     OBJDUMP = PREFIX + 'objdump'
     OBJCPY = PREFIX + 'objcopy'
     DEVICE = ' --config armv7em_hard_fpv4_sp_d16.cfg'
+    DEVICE += ' -ffunction-sections -fdata-sections'
     CFLAGS = DEVICE
     CFLAGS += ' -mfloat-abi=hard -march=armv7em -mfpu=fpv4-sp-d16'
     AFLAGS = ' -c' + DEVICE + ' -Wa,-mimplicit-it=thumb ' ## -x assembler-with-cpp
-- 
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