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-rw-r--r--components/net/lwip-1.4.1/src/lwipopts.h2
-rw-r--r--components/net/lwip-2.0.2/src/lwipopts.h2
-rw-r--r--components/net/lwip-2.1.2/src/lwipopts.h2
3 files changed, 1 insertions, 5 deletions
diff --git a/components/net/lwip-1.4.1/src/lwipopts.h b/components/net/lwip-1.4.1/src/lwipopts.h
index a23a167970..0b7e092d6c 100644
--- a/components/net/lwip-1.4.1/src/lwipopts.h
+++ b/components/net/lwip-1.4.1/src/lwipopts.h
@@ -3,7 +3,7 @@
#include <rtconfig.h>
-#define ERRNO 1
+#define ERRNO
#define NO_SYS 0
#define LWIP_SOCKET 1
diff --git a/components/net/lwip-2.0.2/src/lwipopts.h b/components/net/lwip-2.0.2/src/lwipopts.h
index b334c5ac17..d559684c02 100644
--- a/components/net/lwip-2.0.2/src/lwipopts.h
+++ b/components/net/lwip-2.0.2/src/lwipopts.h
@@ -3,8 +3,6 @@
#include <rtconfig.h>
-#define ERRNO 1
-
#define LWIP_ERRNO_STDINCLUDE
#define LWIP_IPV4 1
diff --git a/components/net/lwip-2.1.2/src/lwipopts.h b/components/net/lwip-2.1.2/src/lwipopts.h
index 8c2bfbdd76..2cd7cb023a 100644
--- a/components/net/lwip-2.1.2/src/lwipopts.h
+++ b/components/net/lwip-2.1.2/src/lwipopts.h
@@ -3,8 +3,6 @@
#include <rtconfig.h>
-#define ERRNO 1
-
#define LWIP_ERRNO_STDINCLUDE
#define LWIP_SOCKET_SELECT 1
#define LWIP_SOCKET_POLL 1