[github] Use cache for android externals #49

	name: Run ONERT Android Release Build

	on:
	pull_request:
	branches:
	- master
	- release/*
	paths:
	- '.github/workflows/run-onert-android-build.yml'
	- 'nnas'
	- 'nnfw'
	- 'Makefile.template'
	- 'compute/**'
	- 'infra/**'
	- '!infra/debian/**'
	- '!infra/docker/**'
	- '!infra/doxygen/**'
	- '!infra/git-hooks/**'
	- '!infra/nncc/**'
	- '!infra/onert-micro/**'
	- '!infra/packaging/**'
	- 'nnpackage/**'
	- '!nnpackage/spec/**'
	- 'runtime/**'
	- 'tests/**'
	- '!**.md'

	defaults:
	run:
	shell: bash

	jobs:
	build:
	runs-on: ubuntu-22.04
	env:
	TARGET_ARCH: aarch64
	TARGET_OS: android
	CROSS_BUILD: 1
	BUILD_TYPE: release
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Get hash
	run: \|
	echo "PKG_HASH=$(git log --pretty=tformat:'%h' -n1 infra/cmake)" >> $GITHUB_ENV
	echo "RUN_PKG_HASH=$(git log --pretty=tformat:'%h' -n1 infra/nnfw/cmake)" >> $GITHUB_ENV

	- name: Caching externals
	uses: actions/cache@v4
	with:
	path: ~/externals
	key: external-onert-ndk26-${{ env.PKG_HASH }}-${{ env.RUN_PKG_HASH }}
	restore-keys: \|
	external-onert-ndk26-${{ env.PKG_HASH }}
	external-onert-ndk26-
	external-onert-
	external-

	# numpy: test build
	# scons: arm compute library build
	- name: Install packages
	run: \|
	pip3 install numpy
	sudo apt-get update && sudo apt-get -qqy install scons

	# Use NDK 26.3.11579264
	- name: Build onert
	run: \|
	export NDK_DIR=/usr/local/lib/android/sdk/ndk/26.3.11579264
	make -f Makefile.template

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