diff -ruwN source-old/gio/gcredentialsprivate.h source/gio/gcredentialsprivate.h
--- source-old/gio/gcredentialsprivate.h	2025-02-20 06:08:16.000000000 -0700
+++ source/gio/gcredentialsprivate.h	2025-11-07 15:26:45.587855360 -0700
@@ -104,7 +104,7 @@
  */
 #undef G_CREDENTIALS_HAS_PID
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__redox__)
 #define G_CREDENTIALS_SUPPORTED 1
 #define G_CREDENTIALS_USE_LINUX_UCRED 1
 #define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_LINUX_UCRED
diff -ruwN source-old/gio/glocalfile.c source/gio/glocalfile.c
--- source-old/gio/glocalfile.c	2025-02-20 06:08:16.000000000 -0700
+++ source/gio/glocalfile.c	2025-11-07 15:26:45.592150212 -0700
@@ -77,6 +77,10 @@
 
 #include "glib-private.h"
 
+#if defined(__redox__)
+#undef AT_FDCWD
+#endif
+
 #ifdef G_OS_WIN32
 #include <windows.h>
 #include <io.h>
diff -ruwN source-old/gio/gnetworking.h.in source/gio/gnetworking.h.in
--- source-old/gio/gnetworking.h.in	2025-02-20 06:08:16.000000000 -0700
+++ source/gio/gnetworking.h.in	2025-11-07 15:26:45.592531678 -0700
@@ -40,13 +40,17 @@
 #include <netdb.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
+#if !defined(__redox__)
 #include <resolv.h>
+#endif
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <net/if.h>
 
 #include <arpa/inet.h>
+#if !defined(__redox__)
 #include <arpa/nameser.h>
+#endif
 @NAMESER_COMPAT_INCLUDE@
 
 #ifndef __GI_SCANNER__
diff -ruwN source-old/gio/gthreadedresolver.c source/gio/gthreadedresolver.c
--- source-old/gio/gthreadedresolver.c	2025-02-20 06:08:16.000000000 -0700
+++ source/gio/gthreadedresolver.c	2025-11-07 15:26:45.592812736 -0700
@@ -579,8 +579,26 @@
   return g_task_propagate_pointer (G_TASK (result), error);
 }
 
+#if defined(__redox__)
+gint
+g_resolver_record_type_to_rrtype (GResolverRecordType type)
+{
+  g_return_val_if_reached (-1);
+}
 
-#if defined(G_OS_UNIX)
+GList *
+g_resolver_records_from_res_query (const gchar      *rrname,
+                                   gint              rrtype,
+                                   const guint8     *answer,
+                                   gssize            len,
+                                   gint              herr,
+                                   GError          **error)
+{
+  return NULL;
+}
+#endif
+
+#if defined(G_OS_UNIX) && !defined(__redox__)
 
 #if defined __BIONIC__ && !defined BIND_4_COMPAT
 /* Copy from bionic/libc/private/arpa_nameser_compat.h
@@ -1308,7 +1326,10 @@
   for (;;)
     {
       g_byte_array_set_size (answer, len * 2);
-#if defined(HAVE_RES_NQUERY)
+#if defined(__redox__)
+      //TODO: implement on redox
+      len = -1;
+#elif defined(HAVE_RES_NQUERY)
       len = res_nquery (&res, rrname, C_IN, rrtype, answer->data, answer->len);
 #else
       len = res_query (rrname, C_IN, rrtype, answer->data, answer->len);
diff -ruwN source-old/gio/gunixconnection.c source/gio/gunixconnection.c
--- source-old/gio/gunixconnection.c	2025-02-20 06:08:16.000000000 -0700
+++ source/gio/gunixconnection.c	2025-11-07 15:41:56.572549299 -0700
@@ -496,7 +496,7 @@
   GSocket *socket;
   gint n;
   gssize num_bytes_read;
-#ifdef __linux__
+#if defined(__linux__) || defined(__redox__)
   gboolean turn_off_so_passcreds;
 #endif
 
@@ -512,7 +512,7 @@
    * already. We also need to turn it off when we're done.  See
    * #617483 for more discussion.
    */
-#ifdef __linux__
+#if defined(__linux__) || defined(__redox__)
   {
     gint opt_val;
 
@@ -626,7 +626,7 @@
 
  out:
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__redox__)
   if (turn_off_so_passcreds)
     {
       if (!g_socket_set_option (socket,
diff -ruwN source-old/gio/gunixmounts.c source/gio/gunixmounts.c
--- source-old/gio/gunixmounts.c	2025-02-20 06:08:16.000000000 -0700
+++ source/gio/gunixmounts.c	2025-11-07 15:26:45.593497732 -0700
@@ -1135,6 +1135,37 @@
   return NULL;
 }
 
+/* Redox OS {{{2 */
+#elif defined (__redox__)
+
+static char *
+get_mtab_monitor_file (void)
+{
+  /* TODO: Not implemented */
+  return NULL;
+}
+
+static GUnixMountEntry **
+_g_unix_mounts_get_from_file (const char *table_path,
+                              uint64_t   *time_read_out,
+                              size_t     *n_entries_out)
+{
+  /* Not implemented, as per _g_get_unix_mounts() below */
+  if (time_read_out != NULL)
+    *time_read_out = 0;
+  if (n_entries_out != NULL)
+    *n_entries_out = 0;
+
+  return NULL;
+}
+
+static GList *
+_g_get_unix_mounts (void)
+{
+  /* TODO: Not implemented */
+  return NULL;
+}
+
 /* Common code {{{2 */
 #else
 #error No _g_get_unix_mounts() implementation for system
@@ -1745,6 +1776,28 @@
   if (time_read_out != NULL)
     *time_read_out = 0;
   if (n_points_out != NULL)
+    *n_points_out = 0;
+  return NULL;
+}
+
+#elif defined(__redox__)
+
+static GList *
+_g_get_unix_mount_points (void)
+{
+  /* Not implemented */
+  return NULL;
+}
+
+static GUnixMountPoint **
+_g_unix_mount_points_get_from_file (const char *table_path,
+                                    uint64_t   *time_read_out,
+                                    size_t     *n_points_out)
+{
+  /* Not implemented */
+  if (time_read_out != NULL)
+    *time_read_out = 0;
+  if (n_points_out != NULL)
     *n_points_out = 0;
   return NULL;
 }
diff -ruwN source-old/gio/meson.build source/gio/meson.build
--- source-old/gio/meson.build	2025-02-20 06:08:16.000000000 -0700
+++ source/gio/meson.build	2025-11-07 15:26:45.594120270 -0700
@@ -18,7 +18,7 @@
 
 gnetworking_h_nameser_compat_include = ''
 
-if host_system not in ['windows', 'android']
+if host_system not in ['windows', 'android', 'redox']
   # Don't check for C_IN on Android since it does not define it in public
   # headers, we define it ourselves wherever necessary
   if not cc.compiles('''#include <sys/types.h>
@@ -39,7 +39,7 @@
 
 network_libs = [ ]
 network_args = [ ]
-if host_system != 'windows'
+if host_system not in ['windows', 'redox']
   # res_query()
   res_query_test = '''#include <resolv.h>
                       int main (int argc, char ** argv) {
diff -ruwN source-old/gio/xdgmime/xdgmimecache.c source/gio/xdgmime/xdgmimecache.c
--- source-old/gio/xdgmime/xdgmimecache.c	2025-02-20 06:08:16.000000000 -0700
+++ source/gio/xdgmime/xdgmimecache.c	2025-11-07 15:26:45.594369348 -0700
@@ -22,7 +22,7 @@
 #include <fnmatch.h>
 #include <assert.h>
 
-#include <netinet/in.h> /* for ntohl/ntohs */
+#include <arpa/inet.h> /* for ntohl/ntohs */
 
 #ifdef HAVE_MMAP
 #include <sys/mman.h>