Gentoo's Bugzilla –
Attachment 415290 Details for
Bug 563898dev-python/PyQt5-5.5 fails to build: PyQt-gpl-5.5-python3_4/QtWebKitWidgets/sipQtWebKitWidgetsQWebHitTestResult.cpp:553:42: error: ‘const class QWebHitTestResult’ has no member named ‘linkTitleString’