From f021cb982a1add837755af2c513ab17605a55f2d Mon Sep 17 00:00:00 2001
From: mysterywolf <920369182@qq.com>
Date: Tue, 8 Sep 2020 10:52:02 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9common=E4=B8=8B=E7=9A=84scons?=
 =?UTF-8?q?cript=E8=84=9A=E6=9C=AC=E6=96=87=E4=BB=B6=EF=BC=8C=E5=A2=9E?=
 =?UTF-8?q?=E5=8A=A0unistd.c=E6=8E=92=E9=99=A4=E6=9D=A1=E4=BB=B6?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/libc/compilers/common/SConscript | 3 +++
 components/libc/compilers/common/unistd.c   | 7 ++-----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/components/libc/compilers/common/SConscript b/components/libc/compilers/common/SConscript
index 7979e20944..deadacb426 100644
--- a/components/libc/compilers/common/SConscript
+++ b/components/libc/compilers/common/SConscript
@@ -13,6 +13,9 @@ else:
         if GetDepend('RT_LIBC_USING_TIME'):
                 src += ['time.c']
 
+if GetDepend('RT_USING_POSIX') == False:
+        SrcRemove(src, ['unistd.c'])
+
 group = DefineGroup('libc', src, depend = [''], CPPPATH = CPPPATH)
 
 Return('group')
diff --git a/components/libc/compilers/common/unistd.c b/components/libc/compilers/common/unistd.c
index e2f2827beb..4068fc5cf5 100644
--- a/components/libc/compilers/common/unistd.c
+++ b/components/libc/compilers/common/unistd.c
@@ -8,12 +8,11 @@
  * 2020-09-01     Meco Man     First Version
  */
 
-#include <termios.h>
 #include <unistd.h>
 
-#ifdef RT_USING_POSIX
-
 #ifdef RT_USING_POSIX_TERMIOS
+#include <termios.h>
+
 int isatty(int fd)
 {
     struct termios ts;
@@ -25,5 +24,3 @@ char *ttyname(int fd)
 {
     return "/dev/tty0"; /*TODO: need to add more specific*/
 }
-
-#endif