Add example build files based on Tizen OS

examples/build_overrides/tizen.gni

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+# Copyright (c) 2021 Project CHIP Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+declare_args() {
+  # Root directory for tizen.
+  tizen_root = "//config/tizen/chip-gn/platform"
+}

examples/lighting-app/linux/with_tizen.gni

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+# Copyright (c) 2021 Project CHIP Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# add this gni as import in your build args to use tizen in the example
+# 'import("//with_tizen.gni")'
+
+import("//build_overrides/chip.gni")
+
+import("${chip_root}/config/tizen/chip-gn/args.gni")
+
+current_os = "tizen"

scripts/examples/gn_tizen_example.sh

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+#!/usr/bin/env bash
+
+#
+#    Copyright (c) 2021 Project CHIP Authors
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+#
+
+set -e
+
+# Build script for GN examples GitHub workflow.
+
+source "$(dirname "$0")/../../scripts/activate.sh"
+
+if [ -z "$TIZEN_HOME" ]; then
+    echo "TIZEN_HOME not set!"
+    exit 1
+fi
+
+GN_ARGS=()
+
+EXAMPLE_DIR=$1
+shift
+OUTPUT_DIR=$1
+shift
+
+NINJA_ARGS=()
+for arg; do
+    case $arg in
+        -v)
+            NINJA_ARGS+=(-v)
+            ;;
+        *=*)
+            GN_ARGS+=("$arg")
+            ;;
+        *import*)
+            GN_ARGS+=("$arg")
+            ;;
+        *)
+            echo >&2 "invalid argument: $arg"
+            echo >&2 "You can use -v for ninja args, and '=' or 'import' for gn args"
+            exit 2
+            ;;
+    esac
+done
+
+set -x
+env
+
+PKG_CONFIG_SYSROOT_DIR=$TIZEN_HOME \
+PKG_CONFIG_LIBDIR=$TIZEN_HOME/usr/lib/pkgconfig \
+PKG_CONFIG_PATH=$TIZEN_HOME/usr/lib/pkgconfig \
+gn gen --check --fail-on-unused-args --root="$EXAMPLE_DIR" "$OUTPUT_DIR" --args=''$GN_ARGS'
+    target_os="tizen"
+    target_cpu="arm" arm_arch="armv7-a"
+    import("//build_overrides/build.gni")
+    target_cflags=[ "--sysroot='$TIZEN_HOME'" ]
+    target_ldflags=[ "--sysroot='$TIZEN_HOME'" ]
+    custom_toolchain="${build_root}/toolchain/custom"
+    target_cc="'$TIZEN_HOME'/bin/arm-linux-gnueabi-gcc"
+    target_cxx="'$TIZEN_HOME'/bin/arm-linux-gnueabi-g++"
+    target_ar="'$TIZEN_HOME'/bin/arm-linux-gnueabi-ar"'
+
+ninja -C "$OUTPUT_DIR" "${NINJA_ARGS[@]}"