bump to Qt 5.9 for the 3D

Gustry · wonder-sk · commit 2b742c7daf10 · 2017-10-11T12:13:19.000+02:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -261,9 +261,10 @@ IF(WITH_CORE)
   #############################################################
   # search for Qt5
   IF (WITH_3D)
-    # for 3D support we strictly require Qt >= 5.8
+    # for 3D support we strictly require Qt >= 5.9
     # (Qt 3D was introduced in 5.7 but it is not stable enough in that branch)
-    SET(QT_MIN_VERSION 5.8.0)
+    # Qt 5.8 is missing some classes, https://github.com/qgis/QGIS/pull/5203#discussion_r142319862
+    SET(QT_MIN_VERSION 5.9.0)
   ELSE ()
     SET(QT_MIN_VERSION 5.2.0)
   ENDIF()
