Preparation for C--, removed classes, namespaces, advanced build options are now controlled via include/libztDefs.h

ext/lwip/src/core/ipv4/etharp.c

@@ -340,8 +340,8 @@ etharp_find_entry(const ip4_addr_t *ipaddr, u8_t flags, struct netif* netif)
   if (((flags & ETHARP_FLAG_FIND_ONLY) != 0) ||
       /* or no empty entry found and not allowed to recycle? */
       ((empty == ARP_TABLE_SIZE) && ((flags & ETHARP_FLAG_TRY_HARD) == 0))) {
-    LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_find_entry: no empty entry found and not allowed to recycle\n"));
-    return (s8_t)ERR_MEM;
+    //LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_find_entry: no empty entry found and not allowed to recycle\n"));
+    //return (s8_t)ERR_MEM;
   }
 
   /* b) choose the least destructive entry to recycle:

ext/lwip/src/include/lwip/arch.h

@@ -75,7 +75,7 @@
  * in turn pull in a lot of standard libary code. In resource-constrained 
  * systems, this should be defined to something less resource-consuming.
  */
-#include "Debug.hpp"
+#include "libztDebug.h"
 #ifndef LWIP_PLATFORM_DIAG
 #define LWIP_PLATFORM_DIAG(x) DEBUG_STACK x
 #include <stdio.h>

ext/lwip/src/include/lwip/errno.h

@@ -174,7 +174,8 @@ extern "C" {
 #define  EMEDIUMTYPE    124  /* Wrong medium type */
 
 #ifndef errno
-extern int errno;
+//extern int errno;
+//#include <errno.h>
 #endif
 
 #else /* LWIP_PROVIDE_ERRNO */