Add -O3 to cmake, as well as some environment options. #30

	name: libecc

	# Run this workflow every time a new commit pushed to your repository
	on: push

	jobs:
	compilation_tests:
	runs-on: ubuntu-22.04
	strategy:
	#max-parallel: 10
	matrix:
	cc: [gcc, clang, g++, clang++]
	blinding: [0, 1]
	complete: [0, 1]
	ladder: [0, 1]
	cryptofuzz: [0, 1]
	optflags: ["-O3", "-O2", "-O1"]
	steps:
	# Checkout repository
	- name: checkout repository
	uses: actions/checkout@v2
	# Run actions
	# libecc compilation tests using meson
	- name: libecc meson compilation tests
	shell: bash
	run: \|
	sudo apt-get update;
	sudo apt-get -y install python3-pip;
	pip install meson;
	pip install ninja;
	pip install dunamai;
	# Compilation tests of all cases
	#
	rm -rf builddir/ && meson setup -Dwith_wordsize=16 builddir && cd builddir && meson dist && cd -;
	rm -rf builddir/ && meson setup -Dwith_wordsize=32 builddir && cd builddir && meson dist && cd -;
	rm -rf builddir/ && meson setup -Dwith_wordsize=64 builddir && cd builddir && meson dist && cd -;
	continue-on-error: false

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