--- Silicon/qtsingleapplication/qtlocalpeer.cpp~ 2012-04-29 21:39:34.064500069 -0400 +++ Silicon/qtsingleapplication/qtlocalpeer.cpp 2012-04-29 21:39:34.077833399 -0400 @@ -57,6 +57,7 @@ #endif #if defined(Q_OS_UNIX) #include +#include #endif namespace QtLP_Private {