diff --git a/libc/Android.bp b/libc/Android.bp
index 04c62b3..15573e9 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -55,6 +55,7 @@
 // ========================================================
 cc_defaults {
     name: "libc_defaults",
+    defaults: ["linux_bionic_supported"],
     cflags: libc_common_flags,
     asflags: libc_common_flags,
     conlyflags: ["-std=gnu99"],
@@ -1770,6 +1771,7 @@
 
 cc_defaults {
     name: "crt_defaults",
+    defaults: ["linux_bionic_supported"],
 
     no_default_compiler_flags: true,
 
diff --git a/libc/dns/net/getaddrinfo.c b/libc/dns/net/getaddrinfo.c
index 13000f7..c6f0d24 100644
--- a/libc/dns/net/getaddrinfo.c
+++ b/libc/dns/net/getaddrinfo.c
@@ -134,8 +134,10 @@
 };
 #endif
 
+#if defined(__ANDROID__)
 // This should be synchronized to ResponseCode.h
 static const int DnsProxyQueryResult = 222;
+#endif
 
 static const struct afd {
 	int a_af;
@@ -399,6 +401,7 @@
   return true;
 }
 
+#if defined(__ANDROID__)
 // Returns 0 on success, else returns on error.
 static int
 android_getaddrinfo_proxy(
@@ -555,6 +558,7 @@
 	}
 	return EAI_NODATA;
 }
+#endif
 
 int
 getaddrinfo(const char *hostname, const char *servname,