CMake Buildsystem: Enable visibility settings for binaries

This should not matter, but makes the add_qtc_executable targets
match up with the PCH, so that they should build a bit faster.

Change-Id: Ibecaaf7fd98d5b927d52e4956b1bea4a5775afba
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

cmake/QtCreatorAPI.cmake

@@ -838,6 +838,8 @@ function(add_qtc_executable name)
     INSTALL_RPATH "${_RPATH_BASE}/${_RELATIVE_LIB_PATH}"
     RUNTIME_OUTPUT_DIRECTORY "${_output_binary_dir}/${_DESTINATION}"
     QT_SKIP_TRANSLATION "${skip_translation}"
+    CXX_VISIBILITY_PRESET hidden
+    VISIBILITY_INLINES_HIDDEN ON
     ${_arg_PROPERTIES}
   )
   append_extra_translations("${name}" "${_arg_EXTRA_TRANSLATIONS}")

src/shared/qtcreator_gui_pch.h

@@ -32,16 +32,7 @@
 
 #if defined __cplusplus
 
-#include <QEvent>
-#include <QTimer>
-#include <QApplication>
-#include <QBitmap>
-#include <QCursor>
-#include <QImage>
-#include <QLayout>
-#include <QPainter>
-#include <QPixmap>
-#include <QStyle>
-#include <QWidget>
+#include <QtGui>
+#include <QtWidgets>
 
 #endif

src/shared/qtcreator_pch.h

@@ -37,18 +37,7 @@
 # undef _POSIX_
 #endif
 
-#include <QCoreApplication>
-#include <QList>
-#include <QVariant>
-#include <QObject>
-#include <QRegExp>
-#include <QString>
-#include <QStringList>
-#include <QTextCodec>
-#include <QPointer>
-#include <QScopedPointer>
-#include <QSharedPointer>
-#include <QDebug>
+#include <QtCore>
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 #include <QTextStream>