From 8061503171670b98516d1c565b715a825026e6c7 Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Sat, 12 Aug 2023 13:50:08 -0400
Subject: [PATCH] [libc][time] pre-support fully version timezone and daylight
 saving time

---
 components/libc/compilers/common/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/components/libc/compilers/common/Kconfig b/components/libc/compilers/common/Kconfig
index 164c46acd7..dad2e2e2ff 100644
--- a/components/libc/compilers/common/Kconfig
+++ b/components/libc/compilers/common/Kconfig
@@ -1,8 +1,14 @@
 menu "ISO-ANSI C layer"
 
 menu "Timezone and Daylight Saving Time"
+    config RT_LIBC_USING_FULL_TZ_DST
+        bool "Enable fully version timezone and daylight saving time with database"
+        select PKG_USING_TZ_DATABASE # select timezone database software package
+        default n
+
     config RT_LIBC_USING_LIGHT_TZ_DST
         bool "Enable lightweight timezone and daylight saving time"
+        depends on !RT_LIBC_USING_FULL_TZ_DST
         default y
 
     if RT_LIBC_USING_LIGHT_TZ_DST