From d5bab6ab396839a1605d4538e885de8530a3a56a Mon Sep 17 00:00:00 2001
From: mikee47 <mike@sillyhouse.net>
Date: Tue, 18 Jun 2024 14:28:43 +0100
Subject: [PATCH] Fix undefined function errors

---
 Sming/Components/lwip/.patches/lwip.patch | 31 ++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/Sming/Components/lwip/.patches/lwip.patch b/Sming/Components/lwip/.patches/lwip.patch
index 0db690c112..b3f12d4a8f 100644
--- a/Sming/Components/lwip/.patches/lwip.patch
+++ b/Sming/Components/lwip/.patches/lwip.patch
@@ -62,6 +62,26 @@ index a56b59cb..2e30f1b7 100644
      if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9)
          if(LWIP_USE_SANITIZERS)
              list(APPEND LWIP_COMPILER_FLAGS_GNU_CLANG
+diff --git a/contrib/ports/win32/pcapif_helper.c b/contrib/ports/win32/pcapif_helper.c
+index 9cc889c1..90e84dd2 100644
+--- a/contrib/ports/win32/pcapif_helper.c
++++ b/contrib/ports/win32/pcapif_helper.c
+@@ -114,6 +114,7 @@ pcapifh_free_readonly_mem(void *data)
+   }
+ }
+ 
++#if 0
+ /**
+  * Npcap keeps its DLLs in a different directory for compatibility with winpcap.
+  * Make sure they get found by adding that directory to the DLL search path.
+@@ -140,6 +141,7 @@ void pcapifh_init_npcap(void)
+     }
+   }
+ }
++#endif
+ 
+ #else /* WIN32 */
+ 
 diff --git a/contrib/ports/win32/sys_arch.c b/contrib/ports/win32/sys_arch.c
 index 84f5775e..f4078838 100644
 --- a/contrib/ports/win32/sys_arch.c
@@ -104,7 +124,7 @@ index 84f5775e..f4078838 100644
  
  /* This is an example implementation for LWIP_PLATFORM_DIAG:
 diff --git a/contrib/ports/win32/pcapif.c b/contrib/ports/win32/pcapif.c
-index 6bf58f02..e8f26ac7 100644
+index 6bf58f02..063a41b9 100644
 --- a/contrib/ports/win32/pcapif.c
 +++ b/contrib/ports/win32/pcapif.c
 @@ -40,16 +40,7 @@
@@ -140,3 +160,12 @@ index 6bf58f02..e8f26ac7 100644
    /* Scan the list printing every entry */
    for (d = alldevs, i = 0; d != NULL; d = d->next, i++) {
      char *desc = d->description;
+@@ -1063,8 +1054,6 @@ pcapif_init(struct netif *netif)
+   int local_index;
+   SYS_ARCH_DECL_PROTECT(lev);
+ 
+-  pcapifh_init_npcap();
+-
+   SYS_ARCH_PROTECT(lev);
+   local_index = ethernetif_index++;
+   SYS_ARCH_UNPROTECT(lev);