为c++增加 rt-thread 多线程支持的子开关

更新脚本

还原time.h

Author: yangjie11

components/libc/cplusplus/Kconfig

@@ -4,6 +4,10 @@ menuconfig RT_USING_CPLUSPLUS
 
 if RT_USING_CPLUSPLUS
 
+    config RT_USING_CPP_MULTITHREAD
+        bool "Enable RT-Thread C++ thread feature support"
+        default n
+
     config RT_USING_CPLUSPLUS11
         bool "Enable c++11 threading feature support"
         default n

components/libc/cplusplus/SConscript

@@ -3,10 +3,14 @@
 from building import *
 Import('rtconfig')
 
-cwd = GetCurrentDir()
-src = Glob('*.cpp') + Glob('*.c')
+cwd     = GetCurrentDir()
+src     = Split('''
+cxx_crt_init.c
+''')
 CPPPATH = [cwd]
 
+if GetDepend('RT_USING_CPP_MULTITHREAD'):
+    src += Glob('*.cpp')
 if GetDepend('RT_USING_CPLUSPLUS11'):
     src += Glob('cpp11/*.cpp') + Glob('cpp11/*.c')
     if rtconfig.PLATFORM in ['armclang']: