meta-digi-dey: make QT5 optional

Remove the 'qt5-layer' hardcoded dependence for 'digi-dey' and
dynamically get whether QT5 is being used in the project. This is done
with a new class _qt-version.bbclass_ that is able to get that
information from the project.

https://onedigi.atlassian.net/browse/DEL-8347

Signed-off-by: Javier Viguera <javier.viguera@digi.com>

meta-digi-dey/classes/dey-image.bbclass

@@ -25,7 +25,8 @@ EXTRA_USERS_PARAMS += "\
 #
 # Create QT5 capable toolchain/SDK if 'dey-qt' image feature is enabled
 #
-inherit ${@bb.utils.contains("IMAGE_FEATURES", "dey-qt", "populate_sdk_qt5", "",d)}
+inherit qt-version
+inherit ${@bb.utils.contains("IMAGE_FEATURES", "dey-qt", "${QT_POPULATE_SDK}", "",d)}
 
 #
 # Generate ZIP installer if configured in the project's local.conf

meta-digi-dey/classes/qt-version.bbclass

@@ -0,0 +1,12 @@
+#
+# Abstract QT related metadata in this class with two purposes:
+#
+#   - Remove the mandatory dependence of DEY in meta-qtX
+#   - Support multiple QT versions
+#
+# Copyright (c) 2023, Digi International Inc.
+#
+
+QT_AVAILABLE = "${@bb.utils.contains_any('BBFILE_COLLECTIONS', 'qt5-layer', 'true', 'false', d)}"
+QT_VERSION = "${@bb.utils.contains('BBFILE_COLLECTIONS', 'qt5-layer', 'qt5', '', d)}"
+QT_POPULATE_SDK = "${@oe.utils.vartrue('QT_AVAILABLE', 'populate_sdk_${QT_VERSION}', '', d)}"

meta-digi-dey/conf/layer.conf

@@ -25,7 +25,7 @@ BBFILE_PATTERN_digi-dey := "^${LAYERDIR}/"
 BBFILE_PRIORITY_digi-dey = "6"
 
 LAYERDEPENDS_digi-dey  = "core digi-arm"
-LAYERDEPENDS_digi-dey += "openembedded-layer networking-layer webserver qt5-layer swupdate"
+LAYERDEPENDS_digi-dey += "openembedded-layer networking-layer webserver swupdate"
 
 LAYERSERIES_COMPAT_digi-dey = "kirkstone"
 

meta-digi-dey/dynamic-layers/qt5-layer/recipes-qt/packagegroups/packagegroup-qt5-dey.bb

@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2013-2018, Digi International Inc.
+#
+SUMMARY = "QT packagegroup for DEY image"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+inherit packagegroup
+
+# Install Freescale QT demo applications
+QT5_APPS = ""
+QT5_APPS:imxgpu3d = "${@bb.utils.contains("MACHINE_GSTREAMER_1_0_PLUGIN", "imx-gst1.0-plugin", "imx-qtapplications", "", d)}"
+
+# Install fonts
+QT5_FONTS = "ttf-dejavu-common ttf-dejavu-sans ttf-dejavu-sans-mono ttf-dejavu-serif "
+
+# Install Freescale QT demo applications for X11 backend only
+MACHINE_QT5_MULTIMEDIA_APPS = ""
+QT5_RDEPENDS = ""
+QT5_RDEPENDS_common = " \
+    packagegroup-qt5-demos \
+    ${QT5_FONTS} \
+    ${QT5_APPS} \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'libxkbcommon', '', d)} \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'wayland', 'qtwayland qtwayland-plugins', '', d)}\
+"
+
+QT5_RDEPENDS:imxgpu2d = "${@bb.utils.contains('DISTRO_FEATURES', 'x11','${QT5_RDEPENDS_common}', \
+    'qtbase qtbase-plugins', d)}"
+
+QT5_RDEPENDS:imxpxp = "${@bb.utils.contains('DISTRO_FEATURES', 'x11','${QT5_RDEPENDS_common}', \
+    'qtbase qtbase-examples qtbase-plugins qtquickcontrols2 qtquickcontrols2-qmlplugins', d)}"
+
+QT5_RDEPENDS:imxgpu3d = " \
+    ${QT5_RDEPENDS_common} \
+    gstreamer1.0-plugins-good-qt \
+"
+
+# Add packagegroup-qt5-webengine to QT5_RDEPENDS and comment out the line below to install qtwebengine to the rootfs.
+QT5_RDEPENDS:remove = " packagegroup-qt5-webengine"
+
+RDEPENDS:${PN} += " \
+    liberation-fonts \
+    ${QT5_RDEPENDS} \
+"

meta-digi-dey/recipes-graphics/packagegroups/packagegroup-dey-qt.bb

@@ -1,44 +1,11 @@
 #
-# Copyright (C) 2013-2018, Digi International Inc.
+# Copyright (C) 2013-2023, Digi International Inc.
 #
 SUMMARY = "QT packagegroup for DEY image"
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"
 inherit packagegroup
 
-# Install Freescale QT demo applications
+inherit qt-version
-QT5_APPS = ""
-QT5_APPS:imxgpu3d = "${@bb.utils.contains("MACHINE_GSTREAMER_1_0_PLUGIN", "imx-gst1.0-plugin", "imx-qtapplications", "", d)}"
 
-# Install fonts
+RDEPENDS:${PN} += "${@oe.utils.conditional('QT_VERSION', '', '', 'packagegroup-${QT_VERSION}-dey', d)}"
-QT5_FONTS = "ttf-dejavu-common ttf-dejavu-sans ttf-dejavu-sans-mono ttf-dejavu-serif "
-
-# Install Freescale QT demo applications for X11 backend only
-MACHINE_QT5_MULTIMEDIA_APPS = ""
-QT5_RDEPENDS = ""
-QT5_RDEPENDS_common = " \
-    packagegroup-qt5-demos \
-    ${QT5_FONTS} \
-    ${QT5_APPS} \
-    ${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'libxkbcommon', '', d)} \
-    ${@bb.utils.contains('DISTRO_FEATURES', 'wayland', 'qtwayland qtwayland-plugins', '', d)}\
-"
-
-QT5_RDEPENDS:imxgpu2d = "${@bb.utils.contains('DISTRO_FEATURES', 'x11','${QT5_RDEPENDS_common}', \
-    'qtbase qtbase-plugins', d)}"
-
-QT5_RDEPENDS:imxpxp = "${@bb.utils.contains('DISTRO_FEATURES', 'x11','${QT5_RDEPENDS_common}', \
-    'qtbase qtbase-examples qtbase-plugins qtquickcontrols2 qtquickcontrols2-qmlplugins', d)}"
-
-QT5_RDEPENDS:imxgpu3d = " \
-    ${QT5_RDEPENDS_common} \
-    gstreamer1.0-plugins-good-qt \
-"
-
-# Add packagegroup-qt5-webengine to QT5_RDEPENDS and comment out the line below to install qtwebengine to the rootfs.
-QT5_RDEPENDS:remove = " packagegroup-qt5-webengine"
-
-RDEPENDS:${PN} += " \
-    liberation-fonts \
-    ${QT5_RDEPENDS} \
-"