[sys/errno.h] 修复lwip报错

components/libc/compilers/common/none-gcc/sys/errno.h

@@ -37,10 +37,8 @@ defined in armcc/errno.h
 #define ERROR_BASE_NO    0
 #endif
 
-#if !defined(_WIN32)
-
+#if defined(__CC_ARM) || defined(__IAR_SYSTEMS_ICC__)
 #include <errno.h>
-
 #define EPERM            (ERROR_BASE_NO + 1)
 #define ENOENT           (ERROR_BASE_NO + 2)
 #define ESRCH            (ERROR_BASE_NO + 3)

components/net/lwip-1.4.1/src/arch/include/arch/cc.h

@@ -54,16 +54,16 @@ typedef uintptr_t mem_ptr_t;
 #define S32_F "ld"
 #define X32_F "lx"
 
-#ifdef RT_USING_LIBC
-#if !defined(__CC_ARM) && !defined(__IAR_SYSTEMS_ICC__)
-
+#include <sys/errno.h>
 /* some errno not defined in newlib */
+#ifndef ENSRNOTFOUND
 #define ENSRNOTFOUND 163  /* Domain name not found */
 /* WARNING: ESHUTDOWN also not defined in newlib. We chose
             180 here because the number "108" which is used
             in arch.h has been assigned to another error code. */
+#endif
+#ifndef ESHUTDOWN
 #define ESHUTDOWN 180
-#endif /* __CC_ARM/__IAR_SYSTEMS_ICC__ */
 #endif
 
 #if defined(RT_USING_LIBC) || defined(RT_LIBC_USING_TIME) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))

components/net/lwip-2.0.2/src/arch/include/arch/cc.h

@@ -45,6 +45,18 @@
 #define S32_F "ld"
 #define X32_F "lx"
 
+#include <sys/errno.h>
+/* some errno not defined in newlib */
+#ifndef ENSRNOTFOUND
+#define ENSRNOTFOUND 163  /* Domain name not found */
+/* WARNING: ESHUTDOWN also not defined in newlib. We chose
+            180 here because the number "108" which is used
+            in arch.h has been assigned to another error code. */
+#endif
+#ifndef ESHUTDOWN
+#define ESHUTDOWN 180
+#endif
+
 #if defined(RT_USING_LIBC) || defined(RT_LIBC_USING_TIME) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))
 #include <sys/time.h>
 #define LWIP_TIMEVAL_PRIVATE       0

components/net/lwip-2.1.2/src/arch/include/arch/cc.h

@@ -45,18 +45,17 @@
 #define S32_F "ld"
 #define X32_F "lx"
 
-#ifdef RT_USING_LIBC
 #include <sys/errno.h>
+/* some errno not defined in newlib */
 #ifndef ENSRNOTFOUND
 #define ENSRNOTFOUND 163  /* Domain name not found */
-#endif
-#ifndef ESHUTDOWN
 /* WARNING: ESHUTDOWN also not defined in newlib. We chose
             180 here because the number "108" which is used
             in arch.h has been assigned to another error code. */
+#endif
+#ifndef ESHUTDOWN
 #define ESHUTDOWN 180
 #endif
-#endif /* RT_USING_LIBC */
 
 #if defined(RT_USING_LIBC) || defined(RT_LIBC_USING_TIME) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))
 #include <sys/time.h>