--- v8cgi-0.9.2-src/v8cgi/src/lib/pgsql/pgsql.cc	2011-01-24 11:57:16.000000000 +0100
+++ v8cgi-0.9.2-src/v8cgi/src/lib/pgsql/pgsql.cc	2013-09-07 10:44:41.062546286 +0200
@@ -12,6 +12,7 @@ 
  */
 
 #include <stdlib.h>
+#include <unistd.h>
 #include <map>
 #include <stdio.h>
 #include <string.h>
--- v8cgi-0.9.2-src/v8cgi/src/lib/process/process.cc	2010-12-15 08:08:38.000000000 +0100
+++ v8cgi-0.9.2-src/v8cgi/src/lib/process/process.cc	2013-09-07 10:45:01.829798871 +0200
@@ -8,6 +8,7 @@ 
 #include "macros.h"
 #include "common.h"
 #include <stdlib.h>
+#include <unistd.h>
 
 #ifndef windows
 #  include <sys/wait.h>
--- v8cgi-0.9.2-src/v8cgi/src/path.cc	2010-11-25 11:55:02.000000000 +0100
+++ v8cgi-0.9.2-src/v8cgi/src/path.cc	2013-09-07 10:45:27.678113273 +0200
@@ -8,6 +8,7 @@ 
 #include <sys/types.h>
 #include <limits.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include <stdio.h>
 
 #ifdef windows
--- v8cgi-0.9.2-src/v8cgi/src/system.cc	2011-12-14 09:07:10.000000000 +0100
+++ v8cgi-0.9.2-src/v8cgi/src/system.cc	2013-09-07 10:45:38.284242294 +0200
@@ -10,6 +10,7 @@ 
 #include "app.h"
 #include "system.h"
 #include "path.h"
+#include <unistd.h>
 #include <sys/time.h>
 
 #ifndef HAVE_SLEEP