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qt5base: Qt KMS support does not depend on opengl

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Qt KMS support should not explicitly depend on the availability of opengl.
Don't explicitly disable KMS if opengl is not available and fallback to
detecting if libdrm is available before disabling kms.

The scenario where this is necessary involves using the Qt linuxfb backend
"dumb buffer" support via the DRM API.  This is new in Qt 5.9 [1] and only
requires KMS, but not opengl. Although on Qt 5.6, only eglfs actually
uses libdrm/kms, it doesn't hurt to add the dependency and the -kms
option there as well, and doing so keeps the logic in the .mk file
simple.

[1] http://doc.qt.io/qt-5/embedded-linux.html#linuxfb

Cc: Peter Seiderer <ps.report@gmx.net>
Cc: Julien Corjon <corjon.j@ecagroup.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Joshua Henderson 2018-02-13 09:46:06 -07:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 19df27ed03
commit f91ea94a6f
1 changed files with 11 additions and 4 deletions
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15
package/qt5/qt5base/qt5base.mk
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@ -35,14 +35,21 @@ endif
QT5BASE_CONFIGURE_OPTS += $(call qstrip,$(BR2_PACKAGE_QT5BASE_CUSTOM_CONF_OPTS))
# Uses libgbm from mesa3d
ifeq ($(BR2_PACKAGE_MESA3D_OPENGL_EGL),y)
QT5BASE_CONFIGURE_OPTS += -kms -gbm
QT5BASE_DEPENDENCIES += mesa3d
ifeq ($(BR2_PACKAGE_LIBDRM),y)
QT5BASE_CONFIGURE_OPTS += -kms
QT5BASE_DEPENDENCIES += libdrm
else
QT5BASE_CONFIGURE_OPTS += -no-kms
endif
# Uses libgbm from mesa3d
ifeq ($(BR2_PACKAGE_MESA3D_OPENGL_EGL),y)
QT5BASE_CONFIGURE_OPTS += -gbm
QT5BASE_DEPENDENCIES += mesa3d
else
QT5BASE_CONFIGURE_OPTS += -no-gbm
endif
ifeq ($(BR2_ENABLE_DEBUG),y)
QT5BASE_CONFIGURE_OPTS += -debug
else