fix: sbrk must be called twice #121

	name: Build

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

	env:
	CARGO_TERM_COLOR: always

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

	jobs:
	check:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Install toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	targets: wasm32-unknown-unknown
	components: rust-src, rustfmt, clippy

	- uses: Swatinem/rust-cache@v2

	- name: Check format
	run: cargo fmt --all -- --check

	- name: Make dummpy poc-guest-%.polkavm files
	run: make dummy-poc-guests

	- name: Cargo clippy
	run: SKIP_WASM_BUILD= cargo clippy -- -D warnings

	- name: Check no-std
	run: make check-wasm

	- name: Check std
	run: SKIP_WASM_BUILD= cargo check

	build-guest:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Install toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	targets: wasm32-unknown-unknown
	components: rustfmt, clippy

	- uses: Swatinem/rust-cache@v2
	with:
	workspaces: poc/guests -> poc/guests/target
	cache-all-crates: true

	- name: Install toolchain targeting RV32E
	run: \|
	curl -sL https://github.com/paritytech/rustc-rv32e-toolchain/releases/download/v1.1.0/rust-rve-nightly-2024-01-05-x86_64-unknown-linux-gnu.tar.zst -o rv32e.tar.zst
	tar --zstd -xf rv32e.tar.zst
	mv rve-nightly ~/.rustup/toolchains/

	- name: Cargo clippy
	run: cd poc/guests; cargo clippy -- -D warnings

	- name: Install polkatool
	run: make polkatool

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