libclang is required for qdoc.
Task-number: QTBUG-69793
Change-Id: I60b54b4338ed6fd3bae99813e268816e063c648a
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
We don't need to install the MinGW builds of libclang 6.0 for
configurations where the Qt MinGW build can't use them.
Task-number: QTBUG-68064
Change-Id: Id9183ccfc15a7a81edb67df371075d584e5cbae8
Reviewed-by: Simo Fält <simo.falt@qt.io>
We need to set LLVM_INSTALL_DIR to be able to build qdoc. That was
missing from windows7.
Task-number: QTBUG-65950
Change-Id: I7f75eb0181056a2117080ead6dc5862324906689
Reviewed-by: Simo Fält <simo.falt@qt.io>
