support compilation without ipv6

recipes/net/curl/ipv6.patch

@@ -0,0 +1,29 @@
+diff --git a/lib/asyn-thrdd.c b/lib/asyn-thrdd.c
+index 90f055c2..4db5ab02 100644
+--- a/lib/asyn-thrdd.c
++++ b/lib/asyn-thrdd.c
+@@ -481,7 +481,11 @@ static void async_thrdd_report_item(struct Curl_easy *data,
+   struct dynbuf tmp;
+   const char *sep = "";
+   const struct Curl_addrinfo *ai = item->res;
++#ifdef USE_IPV6
+   int ai_family = (item->dns_queries & CURL_DNSQ_AAAA) ? AF_INET6 : AF_INET;
++#else
++  int ai_family = AF_INET;
++#endif
+   CURLcode result;
+ 
+   if(!CURL_TRC_DNS_is_verbose(data))
+@@ -789,10 +793,12 @@ const struct Curl_addrinfo *Curl_async_get_ai(struct Curl_easy *data,
+     if(thrdd->res_A)
+       return async_thrdd_get_ai(thrdd->res_A->res, ai_family, index);
+     break;
++#ifdef USE_IPV6
+   case AF_INET6:
+     if(thrdd->res_AAAA)
+       return async_thrdd_get_ai(thrdd->res_AAAA->res, ai_family, index);
+     break;
++#endif
+   default:
+     break;
+   }

recipes/net/curl/recipe.toml

@@ -1,7 +1,7 @@
 [source]
 git = "https://github.com/curl/curl.git"
 rev = "curl-8_20_0"
-patches = ["redox.patch"]
+patches = ["ipv6.patch", "redox.patch"]
 shallow_clone = true
 
 [build]

recipes/web/netsurf/ipv6.patch

@@ -0,0 +1,12 @@
+diff '--color=always' -Naur a/netsurf/utils/config.h b/netsurf/utils/config.h
+--- a/netsurf/utils/config.h	2026-06-03 23:50:18.641104799 +0000
++++ b/netsurf/utils/config.h	2026-06-03 23:53:51.866091024 +0000
+@@ -200,4 +200,8 @@
+ 	#define NO_IPV6
+ #endif
+ 
++#ifndef AF_INET6
++	#define NO_IPV6
++#endif
++
+ #endif

recipes/web/netsurf/recipe.toml

@@ -2,6 +2,7 @@
 tar = "https://download.netsurf-browser.org/netsurf/releases/source-full/netsurf-all-3.11.tar.gz"
 blake3 = "cd406668a9ed5712efac1a8685125b83626690b73bbc6cb5de82ef00e3f65087"
 patches = [
+    "./ipv6.patch",
     "./01_redox.patch"
 ]