CMake: Do not compile/use included "getopt" if OS has native implemen… #90

	name: compile
	on:
	push:
	branches:
	- "**"
	- "!dependabot/**"
	pull_request:
	workflow_dispatch:

	jobs:
	job:
	name: ${{ matrix.os }}-${{ github.workflow }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-20.04, ubuntu-latest, macos-latest, windows-latest]
	include:
	- os: windows-latest
	triplet: x64-windows
	- os: ubuntu-20.04
	triplet: x64-linux
	- os: macos-latest
	triplet: x64-osx
	steps:
	- name: Clone repository
	uses: actions/checkout@v4
	with:
	persist-credentials: false

	# Install CMake
	- uses: lukka/[email protected]
	# Install NASM
	- uses: ilammy/setup-nasm@v1
	# Launch the MSVC Tools Command Prompt (Windows)
	- uses: ilammy/msvc-dev-cmd@v1

	# Initialize the CMake directory and build
	- name: Build
	run: \|
	cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DBUILD_NO_SUBFOLDERS=1
	cmake --build build --config Release

	# Run tests
	- name: Tests
	run: \|
	ctest --test-dir build --build-config Release

	# Gather documentation and executables to a common directory
	# Ignore copying errors from only one of build/jpegoptim or build/jpegoptim.exe existing
	- name: Prepare files
	if: matrix.os != 'ubuntu-latest'
	run: \|
	mkdir build/dist
	cp build/jpegoptim build/jpegoptim.exe COPYRIGHT LICENSE README build/dist/ 2>/dev/null \|\| true
	shell: bash

	# Upload the compiled binary
	- uses: actions/upload-artifact@v3
	if: matrix.os != 'ubuntu-latest'
	with:
	name: jpegoptim-${{ matrix.triplet }}
	path: build/dist

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