diff --git a/meson.build b/meson.build
index 8f87433..6d5698a 100644
--- a/meson.build
+++ b/meson.build
@@ -35,7 +35,11 @@ winsock_dep = cc.find_library('ws2_32', required: false)
 
 # Include directories
 inc_dir = include_directories('string', 'queue', 'hashmap', 'vector', 'stack', 'socket')
-win_inc_dir = include_directories('c:/include/')
+if host_machine.system() == 'windows'
+  win_inc_dir = include_directories('c:/include/')
+else
+  win_inc_dir = []
+endif
 
 # Static library
 myclib_lib = static_library(
diff --git a/socket/mysocket.c b/socket/mysocket.c
index 245ccfe..9360a4f 100644
--- a/socket/mysocket.c
+++ b/socket/mysocket.c
@@ -1,5 +1,7 @@
 #include "mysocket.h"
 
+#include <errno.h>

+
 int sock_platform_init() {
 #ifdef _WIN32
 	WSADATA wsaData;
diff --git a/test/socket/socket1.c b/test/socket/socket1.c
index 1ad7a92..3ad6e9d 100644
--- a/test/socket/socket1.c
+++ b/test/socket/socket1.c
@@ -1,3 +1,4 @@
+#define _XOPEN_SOURCE 700
 #include <myclib/mysocket.h>
 #include <stdio.h>
 #include <string.h>