From c4dbcb1cc31d34df7d2cb1f099db657df046d82f Mon Sep 17 00:00:00 2001
From: Victor Diego Alejandro Diaz Urbaneja
 <49420637+sodomon2@users.noreply.github.com>
Date: Mon, 30 Sep 2019 02:40:42 -0400
Subject: [PATCH] Making AlpineLinux Compatible

---
 neo/sys/posix/posix_net.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/neo/sys/posix/posix_net.cpp b/neo/sys/posix/posix_net.cpp
index db83fa90..efc7d4c3 100644
--- a/neo/sys/posix/posix_net.cpp
+++ b/neo/sys/posix/posix_net.cpp
@@ -644,7 +644,7 @@ int idTCP::Read(void *data, int size) {
 		return -1;
 	}
 
-#if defined(_GNU_SOURCE)
+#if defined(_GNU_SOURCE) && defined(TEMP_FAILURE_RETRY)
 	// handle EINTR interrupted system call with TEMP_FAILURE_RETRY -  this is probably GNU libc specific
 	if ( ( nbytes = TEMP_FAILURE_RETRY( read( fd, data, size ) ) ) == -1 ) {
 #else
@@ -701,7 +701,7 @@ int	idTCP::Write(void *data, int size) {
 		return -1;
 	}
 
-#if defined(_GNU_SOURCE)
+#if defined(_GNU_SOURCE) && defined(TEMP_FAILURE_RETRY
 	// handle EINTR interrupted system call with TEMP_FAILURE_RETRY -  this is probably GNU libc specific
 	if ( ( nbytes = TEMP_FAILURE_RETRY ( write( fd, data, size ) ) ) == -1 ) {
 #else