fix solc-static on macos #2857

	name: "Build"
	on:
	pull_request:
	push:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	strategy:
	matrix:
	os: [ ubuntu-latest, macos-latest ]
	# we need this to map platform names as used by github to
	# the attribute names defined in release.nix
	include:
	- os: ubuntu-latest
	os_attr: linux
	- os: macos-latest
	os_attr: darwin
	fail-fast: false
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v3
	# v22
	- uses: cachix/install-nix-action@v22
	with:
	# https://discourse.nixos.org/t/understanding-binutils-darwin-wrapper-nix-support-bad-substitution/11475/2
	nix_path: nixpkgs=channel:nixos-unstable
	# v12
	- uses: cachix/cachix-action@v12
	with:
	name: dapp
	signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
	- name: run dapp tests
	run: nix-shell --pure src/dapp-tests/shell.nix --command 'make ci --directory src/dapp-tests'
	- name: run hevm symbolic tests
	run: nix-build -j 1 -A hevm-tests
	- run: nix-collect-garbage
	- run: nix-build release.nix -A dapphub.${{ matrix.os_attr }}.stable

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