Update to GCC 10.2 (#7607)

Author: earlephilhower

package/package_esp8266com_index.template.json

@@ -48,9 +48,17 @@ author: d. gauchard
 extern "C"
 {
 #endif
+
+#ifdef LWIP14GLUE
+#define __IPV4_ADDR_H__     // prevents inclusion of ipv4_addr.h meant for lwip2
+#define ipv4_addr ip_addr   // structures are identical, ipv4_addr is unknown with lwIP-1.4
+#include <lwip/ip_addr.h>   // formerly official struct ip_info, disappeared in lwIP-v2
+#endif
+
 #include "ets_sys.h"
 #include "osapi.h"
 #include "user_interface.h"
+
 #ifdef __cplusplus
 }
 #endif

tools/sdk/lib/libbearssl.a

@@ -1,5 +1,5 @@
 // generated by makefiles/make-lwip2-hash
 #ifndef LWIP_HASH_H
 #define LWIP_HASH_H
-#define LWIP_HASH_STR "STABLE-2_1_2_RELEASE/glue:1.2-31-g3798bf0"
+#define LWIP_HASH_STR "STABLE-2_1_2_RELEASE/glue:1.2-34-gf56e795"
 #endif // LWIP_HASH_H

tools/sdk/lib/libgcc.a

@@ -3619,6 +3619,9 @@ struct netif;
 //#define LWIP_ERR_T s8
 LWIP_ERR_T lwip_unhandled_packet (struct pbuf* pbuf, struct netif* netif);
 
+// called when STA OR AP is set up or down
+void netif_status_changed (struct netif*);
+
 /*
    --------------------------------------------------
    ----------------- TIME-WAIT tweak ----------------