diff --git a/gio/glocalfileinfo.c b/gio/glocalfileinfo.c
index 0ebfa15a0..b3e29374a 100644
--- a/gio/glocalfileinfo.c
+++ b/gio/glocalfileinfo.c
@@ -1123,8 +1123,10 @@ lookup_uid_data (uid_t uid)
   char buffer[4096];
   struct passwd pwbuf;
   struct passwd *pwbufp;
+#ifndef __BIONIC__
   char *gecos, *comma;
-  
+#endif
+
   if (uid_cache == NULL)
     uid_cache = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)uid_data_free);
 
@@ -1209,10 +1211,12 @@ static char *
 lookup_gid_name (gid_t gid)
 {
   char *name;
+#if defined (HAVE_GETGRGID_R)
   char buffer[4096];
   struct group gbuf;
+#endif
   struct group *gbufp;
-  
+
   if (gid_cache == NULL)
     gid_cache = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)g_free);
 
diff --git a/gio/gthreadedresolver.c b/gio/gthreadedresolver.c
index e89dc156c..dad268c33 100644
--- a/gio/gthreadedresolver.c
+++ b/gio/gthreadedresolver.c
@@ -803,7 +803,9 @@ free_records (GList *records)
 
 #if defined(G_OS_UNIX)
 #ifdef __BIONIC__
+#ifndef C_IN
 #define C_IN 1
+#endif
 int res_query(const char *, int, int, u_char *, int);
 #endif
 #endif
diff --git a/gio/gunixsocketaddress.c b/gio/gunixsocketaddress.c
index b0d3c8fe4..27e195e47 100644
--- a/gio/gunixsocketaddress.c
+++ b/gio/gunixsocketaddress.c
@@ -66,7 +66,9 @@ enum
   PROP_ADDRESS_TYPE
 };
 
+#ifndef UNIX_PATH_MAX
 #define UNIX_PATH_MAX sizeof (((struct sockaddr_un *) 0)->sun_path)
+#endif
 
 struct _GUnixSocketAddressPrivate
 {