qt5base: Enable KMS and GBM if Mesa 3D provides EGL

Signed-off-by: Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/qt5/qt5base/qt5base.mk

@@ -20,7 +20,6 @@ QT5BASE_INSTALL_STAGING = YES
 #    want to use the one packaged in Buildroot
 QT5BASE_CONFIGURE_OPTS += \
 	-optimized-qmake \
-	-no-kms \
 	-no-cups \
 	-no-nis \
 	-no-iconv \
@@ -29,6 +28,14 @@ QT5BASE_CONFIGURE_OPTS += \
 	-no-pch \
 	-shared
 
+# Uses libgbm from mesa3d
+ifeq ($(BR2_PACKAGE_MESA3D_OPENGL_EGL),y)
+QT5BASE_CONFIGURE_OPTS += -kms -gbm
+QT5BASE_DEPENDENCIES += mesa3d
+else
+QT5BASE_CONFIGURE_OPTS += -no-kms
+endif
+
 ifeq ($(BR2_ENABLE_DEBUG),y)
 QT5BASE_CONFIGURE_OPTS += -debug
 else