diff -urb harmattan-numptyphysics-a22cde2/happyhttp.cpp harmattan-numptyphysics-a22cde2.b/happyhttp.cpp

--- harmattan-numptyphysics-a22cde2/happyhttp.cpp	2012-07-25 20:42:31.000000000 +0300

+++ harmattan-numptyphysics-a22cde2.b/happyhttp.cpp	2012-07-26 16:50:04.193390958 +0300

@@ -34,6 +34,7 @@

 	#include <arpa/inet.h>

 	#include <netdb.h>	// for gethostbyname()

 	#include <errno.h>

+	#include <unistd.h>

 #endif

 #ifdef WIN32