change override -std=c++14 to append #7

	name: CI

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

	jobs:
	coverage:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install deps (GTest, lcov)
	run: \|
	sudo apt-get update
	sudo apt-get install -y lcov libgtest-dev cmake pkg-config libgsl-dev
	# Build GoogleTest (if you vendor it, skip this)
	sudo apt-get install -y cmake
	sudo cmake -S /usr/src/googletest -B /usr/src/googletest/build
	sudo cmake --build /usr/src/googletest/build --target install

	- name: Build tests with coverage
	run: \|
	make clean
	make test COVERAGE=1 CXX=g++ CXXFLAGS="-O0 -g --coverage" LDFLAGS="--coverage"

	- name: Run tests
	run: ./bin/test_main

	- name: Generate coverage (LCOV)
	run: \|
	# Clean any stale traces first
	lcov --directory obj --directory bin --zerocounters
	# Capture with matching gcov tool and stable options
	lcov --capture \
	--directory obj \
	--directory bin \
	--gcov-tool gcov-13 \
	--ignore-errors empty \
	--output-file coverage.info
	# (optional) keep only your code
	lcov --remove coverage.info '/usr/' '/googletest/*' \
	--output-file coverage.info

	- name: Upload to Codecov
	uses: codecov/codecov-action@v4
	with:
	files: coverage.info
	flags: unittests
	name: ubuntu-gcc
	fail_ci_if_error: true
	env:
	# Public repos don't need a token. Private repos: add a secret CODECOV_TOKEN
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

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