CMake

Nix update and cleanups #58

	name: CMake

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

	env:
	# Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
	BUILD_TYPE: Release

	defaults:
	run:
	working-directory: sw/c

	jobs:
	build:
	# The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
	# You can convert this to a matrix build if you need cross-platform coverage.
	# See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Install dependencies
	run: \|
	sudo apt install srecord
	pushd /tmp
	wget https://github.com/lowRISC/lowrisc-toolchains/releases/download/20230427-1/lowrisc-toolchain-gcc-rv32imcb-20230427-1.tar.xz
	tar -xvf lowrisc-toolchain-gcc-rv32imcb-20230427-1.tar.xz
	echo "/tmp/lowrisc-toolchain-gcc-rv32imcb-20230427-1/bin" >> $GITHUB_PATH
	- name: Linting
	run: find -name "*.[c\|h]" -exec clang-format -n {} \;

	- name: Configure CMake
	# Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
	# See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
	run: \|
	mkdir build
	cd build
	cmake ..

	- name: Build
	# Build your program with the given configuration
	run: \|
	cd build
	make

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