--- qtwebkit-opensource-src-5.5.1/Source/WTF/WTF.pri~ 2015-10-13 05:37:08.000000000 +0100 +++ qtwebkit-opensource-src-5.5.1/Source/WTF/WTF.pri 2016-05-24 23:48:02.360237374 +0100 @@ -30,6 +30,8 @@ else: LIBS += -licui18n -licuuc -licudata } +LIBS += -lpthread + use?(GLIB) { PKGCONFIG *= glib-2.0 gio-2.0 }