package/opencv3: remove qt backend option

The qt backend option uses the obsolete qt4 package, which we are about to
remove, so remove the qt backend option as well.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

Config.in.legacy

@@ -146,6 +146,12 @@ endif
 
 comment "Legacy options removed in 2019.02"
 
+config BR2_PACKAGE_OPENCV3_WITH_QT
+	bool "opencv3 qt backend option removed"
+	select BR2_LEGACY
+	help
+	  The opencv3 qt backend option was removed.
+
 config BR2_PACKAGE_OPENCV_WITH_QT
 	bool "opencv qt backend option removed"
 	select BR2_LEGACY

package/opencv3/Config.in

@@ -82,20 +82,6 @@ comment "gtk3 support needs libgtk3"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_PACKAGE_LIBGTK3
 
-config BR2_PACKAGE_OPENCV3_WITH_QT
-	bool "qt4"
-	depends on BR2_PACKAGE_QT
-	select BR2_PACKAGE_QT_STL
-	select BR2_PACKAGE_QT_GUI_MODULE
-	select BR2_PACKAGE_QT_TEST
-	help
-	  Use Qt4 with QtTest and QtGui modules and STL support, as
-	  GUI toolkit.
-
-comment "qt4 support needs qt"
-	depends on BR2_USE_MMU # qt
-	depends on !BR2_PACKAGE_QT && !BR2_PACKAGE_QT5
-
 config BR2_PACKAGE_OPENCV3_WITH_QT5
 	bool "qt5"
 	depends on BR2_PACKAGE_QT5
@@ -108,7 +94,7 @@ config BR2_PACKAGE_OPENCV3_WITH_QT5
 	  components, as GUI toolkit.
 
 comment "qt5 support needs qt5"
-	depends on !BR2_PACKAGE_QT && !BR2_PACKAGE_QT5
+	depends on !BR2_PACKAGE_QT5
 
 endchoice
 

package/opencv3/opencv3.mk

@@ -288,18 +288,11 @@ else
 OPENCV3_CONF_OPTS += -DWITH_PNG=OFF
 endif
 
-ifeq ($(BR2_PACKAGE_OPENCV3_WITH_QT)$(BR2_PACKAGE_OPENCV3_WITH_QT5),)
-OPENCV3_CONF_OPTS += -DWITH_QT=OFF
-endif
-
-ifeq ($(BR2_PACKAGE_OPENCV3_WITH_QT),y)
-OPENCV3_CONF_OPTS += -DWITH_QT=4
-OPENCV3_DEPENDENCIES += qt
-endif
-
 ifeq ($(BR2_PACKAGE_OPENCV3_WITH_QT5),y)
 OPENCV3_CONF_OPTS += -DWITH_QT=5
 OPENCV3_DEPENDENCIES += qt5base
+else
+OPENCV3_CONF_OPTS += -DWITH_QT=OFF
 endif
 
 ifeq ($(BR2_PACKAGE_OPENCV3_WITH_TIFF),y)