From 4f5ba63c7c94b37515c2b3f3c4ae423585795d0c Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Wed, 14 Jun 2023 00:03:38 -0400
Subject: [cpp] attach CXXFLAGS to reduce the resource consumptions

---
 components/libc/cplusplus/SConscript | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'components/libc/cplusplus/SConscript')

diff --git a/components/libc/cplusplus/SConscript b/components/libc/cplusplus/SConscript
index a7829cea6d..2f280892f4 100644
--- a/components/libc/cplusplus/SConscript
+++ b/components/libc/cplusplus/SConscript
@@ -5,8 +5,13 @@ Import('rtconfig')
 cwd     = GetCurrentDir()
 src     = ['cxx_crt_init.c', 'cxx_crt.cpp']
 CPPPATH = [cwd]
+CXXFLAGS = ''
 
-group = DefineGroup('CPP', src, depend=['RT_USING_CPLUSPLUS'], CPPPATH=CPPPATH)
+
+if rtconfig.PLATFORM in ['gcc', 'armclang', 'llvm-arm'] and not GetDepend('RT_USING_CPP_EXCEPTIONS'):
+    CXXFLAGS += ' -fno-exceptions -fno-rtti -ffunction-sections -fdata-sections -Wl,--gc-sections' # reduce resource consumptions
+
+group = DefineGroup('CPP', src, depend=['RT_USING_CPLUSPLUS'], CPPPATH=CPPPATH, CXXFLAGS=CXXFLAGS)
 
 list = os.listdir(cwd)
 for d in list:
-- 
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