Coin: add CI build instructions

CI build has 4 targets:
 - qemuarm64 w/o x11
 - qemux86 w/o x11
 - qemuarm w/ x11
 - qemux86-64 w/ x11

and it builds all recipes found in the layer.

Change-Id: I1b4861cb776c67710b16fcb6cac150f092925440
Reviewed-by: Mikko Gronoff <mikko.gronoff@qt.io>

coin/dependencies.yaml

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+dependencies:
+  {}

coin/module_config.yaml

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+version: 2
+accept_configuration:
+  condition: and
+  conditions:
+    - condition: property
+      property: host.compiler
+      equals_value: Yocto
+    - condition: property
+      property: target.arch
+      in_values: [TARGET1, TARGET2, TARGET3, TARGET4]
+
+machine_type:
+  Build:
+    cores: 8
+
+environment: &environment
+  type: Group
+  instructions:
+    - type: EnvironmentVariable
+      variableName: POKY_SHA1
+      variableValue: 569b1f5d67c57de957e243997c53ec2f81dc8dfe
+    - type: EnvironmentVariable
+      variableName: OE_SHA1
+      variableValue: 654ad8bea49f142d20b2b96c0dd44810a6be233a
+    - type: EnvironmentVariable
+      variableName: MACHINE
+      variableValue: qemuarm64
+      enable_if:
+        condition: property
+        property: target.arch
+        equals_value: TARGET1
+    - type: EnvironmentVariable
+      variableName: USE_X11
+      variableValue: false
+      enable_if:
+        condition: property
+        property: target.arch
+        equals_value: TARGET1
+    - type: EnvironmentVariable
+      variableName: MACHINE
+      variableValue: qemux86
+      enable_if:
+        condition: property
+        property: target.arch
+        equals_value: TARGET2
+    - type: EnvironmentVariable
+      variableName: USE_X11
+      variableValue: false
+      enable_if:
+        condition: property
+        property: target.arch
+        equals_value: TARGET2
+    - type: EnvironmentVariable
+      variableName: MACHINE
+      variableValue: qemuarm
+      enable_if:
+        condition: property
+        property: target.arch
+        equals_value: TARGET3
+    - type: EnvironmentVariable
+      variableName: USE_X11
+      variableValue: true
+      enable_if:
+        condition: property
+        property: target.arch
+        equals_value: TARGET3
+    - type: EnvironmentVariable
+      variableName: MACHINE
+      variableValue: qemux86-64
+      enable_if:
+        condition: property
+        property: target.arch
+        equals_value: TARGET4
+    - type: EnvironmentVariable
+      variableName: USE_X11
+      variableValue: true
+      enable_if:
+        condition: property
+        property: target.arch
+        equals_value: TARGET4
+
+instructions:
+  Build:
+  - *environment
+  - type: EnvironmentVariable
+    variableName: DL_DIR
+    variableValue: "/mnt/yocto-cache/downloads"
+  - type: EnvironmentVariable
+    variableName: SOURCE_DIR
+    variableValue: "{{.SourceDir}}"
+  - type: SetBuildDirectory
+    directory: "{{.AgentWorkingDir}}/build"
+  - type: MakeDirectory
+    directory: "{{.BuildDir}}"
+  - type: ChangeDirectory
+    directory: "{{.BuildDir}}"
+  - type: ExecuteCommand
+    command: ["sudo", "mkdir", "-p", "/mnt/yocto-cache"]
+    userMessageOnFailure: "Could not create '/mnt/yocto-cache' directory"
+  - type: ExecuteCommand
+    command: ["sudo", "mount", "yocto-cache.intra.qt.io:/srv/yocto-cache", "/mnt/yocto-cache"]
+    userMessageOnFailure: "Could not mount yocto cache."
+  - type: WriteFile
+    fileContents: |
+      #!/bin/bash -xe
+
+      git clone git://git.yoctoproject.org/poky --reference /mnt/yocto-cache/mirror/poky.git
+      (cd poky; git checkout ${POKY_SHA1})
+      git clone git://github.com/openembedded/meta-openembedded --reference /mnt/yocto-cache/mirror/meta-openembedded.git
+      (cd meta-openembedded; git checkout ${OE_SHA1})
+
+      source ./poky/oe-init-build-env
+      export BB_ENV_EXTRAWHITE="$BB_ENV_EXTRAWHITE SSTATE_DIR DL_DIR"
+      export DL_DIR=/mnt/yocto-cache/downloads
+      export BB_GENERATE_MIRROR_TARBALLS=1
+      export SSTATE_DIR=/mnt/yocto-cache/sstate-caches/$(sed -n -e "s/DISTRO_CODENAME.*\"\(.*\)\"/\1/p" ../poky/meta-*/conf/distro/poky.conf)
+      bitbake-layers add-layer ../meta-openembedded/meta-oe
+      bitbake-layers add-layer ${SOURCE_DIR}
+
+      if ! ${USE_X11} ; then
+        echo "DISTRO_FEATURES_remove = \"x11\"" >> conf/local.conf
+      fi
+      echo "require ${SOURCE_DIR}/coin/test-configs.inc" >> conf/local.conf
+
+      # build all recipes found in the layer
+      bitbake $(find ${SOURCE_DIR} -name *.bb | xargs -n1 basename | sed -e 's/\([^._]*\).*/\1/')
+    filename: "{{.BuildDir}}/start-build"
+    fileMode: 420
+  - type: ExecuteCommand
+    command: ["bash", "{{.BuildDir}}/start-build"]
+    maxTimeInSeconds: 28800
+    maxTimeBetweenOutput: 28800
+    userMessageOnFailure: "Build failed."
+  - type: ExecuteCommand
+    command: ["sudo", "umount", "/mnt/yocto-cache"]
+    userMessageOnFailure: "Unmounting cache failed."
+
+  Test: []

coin/test-configs.inc

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+PREFERRED_PROVIDER_udev = "systemd"
+# use gold
+DISTRO_FEATURES_append = " ld-is-gold"
+# use systemd
+DISTRO_FEATURES_append = " systemd"
+DISTRO_FEATURES_BACKFILL_CONSIDERED = "sysvinit"
+VIRTUAL-RUNTIME_init_manager = "systemd"
+VIRTUAL-RUNTIME_initscripts = ""
+
+INHERIT += "buildstats buildstats-summary"
+INHERIT += "rm_work"
+
+# fast compression of SDK tar package
+SDK_XZ_COMPRESSION_LEVEL = "-1"
+
+# be more strict with QA warnings, turn them all to errors:
+EXTRA_QA = "\
+    ldflags useless-rpaths rpaths staticdev libdir xorg-driver-abi \
+    textrel already-stripped incompatible-license files-invalid \
+    installed-vs-shipped compile-host-path install-host-path \
+    pn-overrides infodir build-deps \
+    unknown-configure-option symlink-to-sysroot multilib \
+    invalid-packageconfig host-user-contaminated uppercase-pn \
+"
+ERROR_QA_append = "${EXTRA_QA}"
+WARN_QA_remove = "${EXTRA_QA}"
+
+# enable thumb for broader test coverage (oe-core autobuilder doesn't have thumb enabled)
+PREFERRED_ARM_INSTRUCTION_SET              ?= "thumb"
+ARM_INSTRUCTION_SET = "${PREFERRED_ARM_INSTRUCTION_SET}"
+
+PACKAGECONFIG_append_pn-qtbase = "\
+    tslib kms gbm zstd lttng libproxy gssapi vulkan mtdev cups \
+    sql-mysql sql-psql sql-sqlite journald \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'gtk', '', d)} \
+"
+
+# Use latest uninative package
+UNINATIVE_MAXGLIBCVERSION = "2.32"
+
+UNINATIVE_URL ?= "http://downloads.yoctoproject.org/releases/uninative/2.9/"
+UNINATIVE_CHECKSUM[aarch64] ?= "9f25a667aee225b1dd65c4aea73e01983e825b1cb9b56937932a1ee328b45f81"
+UNINATIVE_CHECKSUM[i686] ?= "cae5d73245d95b07cf133b780ba3f6c8d0adca3ffc4e7e7fab999961d5e24d36"
+UNINATIVE_CHECKSUM[x86_64] ?= "d07916b95c419c81541a19c8ef0ed8cbd78ae18437ff28a4c8a60ef40518e423"
+
+# enable examples for all Qt modules
+PACKAGECONFIG_append_pn-qt3d = " examples"
+PACKAGECONFIG_append_pn-qt5compat = " examples"
+PACKAGECONFIG_append_pn-qtbase = " examples"
+PACKAGECONFIG_append_pn-qtcoap = " examples"
+PACKAGECONFIG_append_pn-qtdeclarative = " examples"
+PACKAGECONFIG_append_pn-qtgraphicaleffects = " examples"
+PACKAGECONFIG_append_pn-qtimageformats = " examples"
+PACKAGECONFIG_append_pn-qtmqtt = " examples"
+PACKAGECONFIG_append_pn-qtnetworkauth = " examples"
+PACKAGECONFIG_append_pn-qtopcua = " examples"
+PACKAGECONFIG_append_pn-qtquick3d = " examples"
+PACKAGECONFIG_append_pn-qtquickcontrols2 = " examples"
+PACKAGECONFIG_append_pn-qtquicktimeline = " examples"
+PACKAGECONFIG_append_pn-qtscxml = " examples"
+PACKAGECONFIG_append_pn-qtserialbus = " examples"
+PACKAGECONFIG_append_pn-qtserialport = " examples"
+PACKAGECONFIG_append_pn-qtshadertools = " examples"
+PACKAGECONFIG_append_pn-qtspeech = " examples"
+PACKAGECONFIG_append_pn-qtsvg = " examples"
+PACKAGECONFIG_append_pn-qttools = " examples"
+PACKAGECONFIG_append_pn-qttranslations = " examples"
+PACKAGECONFIG_append_pn-qtvirtualkeyboard = " examples"
+PACKAGECONFIG_append_pn-qtwayland = " examples"
+PACKAGECONFIG_append_pn-qtwebsockets = " examples"