Build

update build.yml #13

	name: Build

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

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v5 # <-- Upgraded from @v4

	- name: Install compiler and dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y \
	build-essential \
	cmake \
	libopenmpi-dev \
	openmpi-bin

	- name: Configure CMake
	# Creates the build directory and generates build files automatically
	run: cmake -B build -S .

	- name: Build project
	# Compiles the target inside the build directory using all available cores
	run: cmake --build build -j $(nproc)

	- name: Run executable
	run: \|
	# We use mpirun with 2 ranks to verify our MPI environment
	# is fully operational within the GitHub environment!
	mpirun -np 2 ./build/miniClimate \
	--nx 64 \
	--ny 64 \
	--steps 10

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