Fix cross compilation issue #413

	on:
	push:
	branches: [ master ]
	pull_request:

	name: Continuous integration

	jobs:
	ci:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest]
	env:
	DO_DOCKER: 0
	steps:
	- uses: actions/checkout@v2
	- uses: egor-tensin/setup-clang@v1
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: test
	- uses: actions/setup-python@v5
	with:
	python-version: '3.12'
	architecture: 'x64'
	- name: Install ARM cross-compiler and C libraries
	run: \|
	sudo apt-get update
	sudo apt-get install -y gcc-arm-linux-gnueabihf libc6-dev-armhf-cross
	# If icasadi_rosenbrock or other deps need C++:
	# sudo apt-get install -y g++-arm-linux-gnueabihf
	- name: Run tests
	# Set environment variables for the cc crate
	env:
	CC_arm_unknown_linux_gnueabihf: arm-linux-gnueabihf-gcc
	AR_arm_unknown_linux_gnueabihf: arm-linux-gnueabihf-ar
	# If C++ is involved and you installed g++-arm-linux-gnueabihf:
	# CXX_arm_unknown_linux_gnueabihf: arm-linux-gnueabihf-g++
	run: \|
	# - run: cargo test --features rp
	# - run: cargo test --features jem
	bash ./ci/script.sh

	ci_macos:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [macos-latest]
	env:
	DO_DOCKER: 0
	steps:
	- uses: actions/checkout@v2
	- run: brew install llvm
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: test
	- uses: actions/setup-python@v5
	with:
	python-version: '3.12'
	- run: cargo test --features rp
	- run: cargo test --features jem
	- run: bash ./ci/script.sh

Provide feedback