Add QtPdf to cmake build

Port QtPdf to Qt6:

  * QtPdf,QtPdfWidgets,QtPdfQuick libs
  * QtPdfQuickPlugin, QtPdfPlugin (imageformat) plugins
  * widget and quick examples
  * qtpdf tests

To fit gn cmake integration and new repo layout code is a bit
reshuffled.

Compared to qmke build following features are not ported yet:

  * ios fat libs
  * qtbase 3rdparty static dependencies

WebEngine build can be skipped with setting
QT_FEATURE_qtwebengine_build=OFF

Note this patch needs follow up for 6.2 branch to disable qtpdf
builds by default, since this should not part of qt 6.2 release.

Task-number: QTBUG-95353
Change-Id: I4dd9f3934bdd478fb6d2fa686074a24d91f09953
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
(cherry picked from commit 79d04aa9e3e9aa84d7378260519f9e9a6759dc41)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/pdf/qpdfbookmarkmodel.cpp b/src/pdf/qpdfbookmarkmodel.cpp
index b0e8bbecd..0450870a1 100644
--- a/src/pdf/qpdfbookmarkmodel.cpp
+++ b/src/pdf/qpdfbookmarkmodel.cpp
@@ -272,6 +272,7 @@ void QPdfBookmarkModel::setStructureMode(StructureMode mode)
 
 int QPdfBookmarkModel::columnCount(const QModelIndex &parent) const
 {
+    Q_UNUSED(parent);
     return 1;
 }