Build

Use cc crate to build instead of CMake #129

	name: Build

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	checks-matrix:
	runs-on: ubuntu-latest
	outputs:
	matrix: ${{ steps.set-matrix.outputs.matrix }}
	steps:
	- uses: actions/checkout@v4
	- uses: DeterminateSystems/nix-installer-action@main
	- id: set-matrix
	name: Generate Nix Matrix
	run: \|
	set -Eeu
	matrix="$(nix eval --json '.#githubActions.matrix')"
	echo "matrix=$matrix" >> "$GITHUB_OUTPUT"

	checks-build:
	needs: checks-matrix
	runs-on: ${{ matrix.os }}
	strategy:
	matrix: ${{fromJSON(needs.checks-matrix.outputs.matrix)}}
	steps:
	- uses: actions/checkout@v4
	with:
	lfs: true
	submodules: 'recursive'
	- uses: DeterminateSystems/nix-installer-action@main
	- uses: cachix/cachix-action@v14
	with:
	name: mnn-rs
	authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
	- run: nix build -L '.#${{ matrix.attr }}'

	codecov:
	runs-on: ubuntu-latest
	permissions:
	id-token: "write"
	contents: "read"

	steps:
	- uses: actions/checkout@v4
	with:
	lfs: true
	submodules: 'recursive'
	- uses: DeterminateSystems/nix-installer-action@main
	- uses: cachix/cachix-action@v14
	with:
	name: mnn-rs
	authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

	- name: Run codecov
	run: nix build .#checks.x86_64-linux.mnn-llvm-cov

	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v4.0.1
	with:
	flags: unittests
	name: codecov-mnn
	fail_ci_if_error: true
	token: ${{ secrets.CODECOV_TOKEN }}
	files: ./result
	verbose: true

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