diff --git a/src/unix/newlib/aarch64/mod.rs b/src/unix/newlib/aarch64/mod.rs
index 3a68bf4b9de4185d410209eaade7cf6fc9312ec3..71aa894922bbe0ac366268c534346aab4d85d26d 100644
--- a/src/unix/newlib/aarch64/mod.rs
+++ b/src/unix/newlib/aarch64/mod.rs
@@ -30,6 +30,8 @@ s! {
     }
 }
 
+pub const AF_INET6: ::c_int = 23;
+
 pub const FIONBIO: ::c_ulong = 1;
 
 pub const POLLIN: ::c_short = 0x1;
@@ -40,3 +42,11 @@ pub const POLLHUP: ::c_short = 0x10;
 pub const POLLNVAL: ::c_short = 0x20;
 
 pub const SOL_SOCKET: ::c_int = 65535;
+
+pub const MSG_OOB: ::c_int = 1;
+pub const MSG_PEEK: ::c_int = 2;
+pub const MSG_DONTWAIT: ::c_int = 4;
+pub const MSG_DONTROUTE: ::c_int = 0;
+pub const MSG_WAITALL: ::c_int = 0;
+pub const MSG_MORE: ::c_int = 0;
+pub const MSG_NOSIGNAL: ::c_int = 0;
diff --git a/src/unix/newlib/arm/mod.rs b/src/unix/newlib/arm/mod.rs
index 27274f7a3c0f9027045b0b5776c0ae6cb1faca3c..78bea276533d51f444b7edc7c03ffb4b0cb6dada 100644
--- a/src/unix/newlib/arm/mod.rs
+++ b/src/unix/newlib/arm/mod.rs
@@ -32,6 +32,8 @@ s! {
     }
 }
 
+pub const AF_INET6: ::c_int = 23;
+
 pub const FIONBIO: ::c_ulong = 1;
 
 pub const POLLIN: ::c_short = 0x1;
@@ -42,3 +44,11 @@ pub const POLLOUT: ::c_short = 0x10;
 pub const POLLNVAL: ::c_short = 0x20;
 
 pub const SOL_SOCKET: ::c_int = 65535;
+
+pub const MSG_OOB: ::c_int = 1;
+pub const MSG_PEEK: ::c_int = 2;
+pub const MSG_DONTWAIT: ::c_int = 4;
+pub const MSG_DONTROUTE: ::c_int = 0;
+pub const MSG_WAITALL: ::c_int = 0;
+pub const MSG_MORE: ::c_int = 0;
+pub const MSG_NOSIGNAL: ::c_int = 0;
diff --git a/src/unix/newlib/mod.rs b/src/unix/newlib/mod.rs
index 5f53f6137fdf3812eaedaa90856a530dabc2e5b1..55cb889aabe4243c4e1bfa1c160f0dcf92a2178e 100644
--- a/src/unix/newlib/mod.rs
+++ b/src/unix/newlib/mod.rs
@@ -416,7 +416,6 @@ pub const PF_INET6: ::c_int = 23;
 
 pub const AF_UNSPEC: ::c_int = 0;
 pub const AF_INET: ::c_int = 2;
-pub const AF_INET6: ::c_int = 23;
 
 pub const CLOCK_REALTIME: ::clockid_t = 1;
 pub const CLOCK_MONOTONIC: ::clockid_t = 4;
@@ -425,14 +424,6 @@ pub const CLOCK_BOOTTIME: ::clockid_t = 4;
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
 
-pub const MSG_OOB: ::c_int = 1;
-pub const MSG_PEEK: ::c_int = 2;
-pub const MSG_DONTWAIT: ::c_int = 4;
-pub const MSG_DONTROUTE: ::c_int = 0;
-pub const MSG_WAITALL: ::c_int = 0;
-pub const MSG_MORE: ::c_int = 0;
-pub const MSG_NOSIGNAL: ::c_int = 0;
-
 pub const SHUT_RD: ::c_int = 0;
 pub const SHUT_WR: ::c_int = 1;
 pub const SHUT_RDWR: ::c_int = 2;
diff --git a/src/unix/newlib/xtensa/mod.rs b/src/unix/newlib/xtensa/mod.rs
index bf95d9c9cdd0b35eb8a5cf0f138605317f0968cc..bc31506b5d574508de6b2d517d45f3e3ad50349f 100644
--- a/src/unix/newlib/xtensa/mod.rs
+++ b/src/unix/newlib/xtensa/mod.rs
@@ -60,6 +60,7 @@ s! {
 }
 
 pub const AF_UNIX: ::c_int = 1;
+pub const AF_INET6: ::c_int = 10;
 
 pub const FIONBIO: ::c_ulong = 2147772030;
 
@@ -75,6 +76,14 @@ pub const POLLHUP: ::c_short = 1 << 6;
 
 pub const SOL_SOCKET: ::c_int = 0xfff;
 
+pub const MSG_OOB: ::c_int = 0x04;
+pub const MSG_PEEK: ::c_int = 0x01;
+pub const MSG_DONTWAIT: ::c_int = 0x08;
+pub const MSG_DONTROUTE: ::c_int = 0x4;
+pub const MSG_WAITALL: ::c_int = 0x02;
+pub const MSG_MORE: ::c_int = 0x10;
+pub const MSG_NOSIGNAL: ::c_int = 0x20;
+
 extern "C" {
     pub fn sendmsg(
         s: ::c_int,