From d5800421459bec6cea97d5fc505ffa9b0c16b8e1 Mon Sep 17 00:00:00 2001
From: "Man, Jianting (Meco)" <920369182@qq.com>
Date: Sun, 30 Apr 2023 00:19:57 -0400
Subject: [libc] support external third pary libc software package (#7425)

---
 components/libc/Kconfig                     | 3 +++
 components/libc/compilers/musl/SConscript   | 6 +++---
 components/libc/compilers/newlib/SConscript | 6 +++---
 3 files changed, 9 insertions(+), 6 deletions(-)

(limited to 'components')

diff --git a/components/libc/Kconfig b/components/libc/Kconfig
index 3cdaba4bcf..ea6763007e 100644
--- a/components/libc/Kconfig
+++ b/components/libc/Kconfig
@@ -1,5 +1,8 @@
 menu "C/C++ and POSIX layer"
 
+config RT_USING_EXTERNAL_LIBC
+    bool
+
 config RT_LIBC_DEFAULT_TIMEZONE
     int "Set the default time zone (UTC+)"
     range -12 12
diff --git a/components/libc/compilers/musl/SConscript b/components/libc/compilers/musl/SConscript
index 9bc5696157..8c5d0448ae 100644
--- a/components/libc/compilers/musl/SConscript
+++ b/components/libc/compilers/musl/SConscript
@@ -5,10 +5,10 @@ Import('rtconfig')
 
 group = []
 
-libc_name, libc_version = GetGCCLibcNameVersion(rtconfig)
+musllibc_version = GetMuslVersion(rtconfig)
 
-if libc_name == 'musl':
-    print('Musl version: ' + libc_version)
+if musllibc_version:
+    print('Musl version: ' + musllibc_version)
 
     cwd = GetCurrentDir()
     src = Glob('*.c')
diff --git a/components/libc/compilers/newlib/SConscript b/components/libc/compilers/newlib/SConscript
index 14d3f737f5..518fee8775 100644
--- a/components/libc/compilers/newlib/SConscript
+++ b/components/libc/compilers/newlib/SConscript
@@ -5,10 +5,10 @@ Import('rtconfig')
 
 group = []
 
-libc_name, libc_version = GetGCCLibcNameVersion(rtconfig)
+newlib_version = GetNewLibVersion(rtconfig)
 
-if libc_name == 'newlib':
-    print('Newlib version: ' + libc_version)
+if newlib_version and not GetDepend('RT_USING_EXTERNAL_LIBC'):
+    print('Newlib version: ' + newlib_version)
 
     cwd = GetCurrentDir()
     src = Glob('*.c')
-- 
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