Implement retinaface #29

	name: MSBuild

	on:
	push:
	branches:
	- master
	pull_request:
	types:
	- opened
	- synchronize
	- reopened

	env:
	# Configuration type to build.
	# You can convert this to a build matrix if you need coverage of multiple configuration types.
	# https://docs.github.com/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
	BUILD_CONFIGURATION: Release

	OSTYPE: Windows

	jobs:
	build:
	runs-on: windows-2019
	timeout-minutes: 20

	steps:
	- name: Processor Property
	run: Get-CimInstance -ClassName Win32_Processor \| Select-Object -ExcludeProperty "CIM*"

	- name: Checkout github repo (+ download lfs dependencies)
	uses: actions/checkout@v2

	- name: Checkout submodule
	run: \|
	git submodule init
	git submodule update

	- name: Download OpenCV
	run: curl -L -o opencv.exe https://github.com/opencv/opencv/releases/download/4.5.5/opencv-4.5.5-vc14_vc15.exe

	- name: Extract OpenCV
	run: \|
	mkdir opencv
	Start-Process -FilePath "opencv.exe" -ArgumentList "-y -o ./opencv" -NoNewWindow -Wait
	echo "OPENCV_PATH=$PWD/opencv/build" >> $env:GITHUB_ENV

	- name: Verify OpenCV Extraction
	run: \|
	echo "Contents of opencv directory:"
	dir opencv
	echo "Contents of opencv/build directory:"
	dir opencv/build
	echo "Contents of opencv/build/x64/vc15/bin directory:"
	dir opencv/build/x64/vc15/bin

	- name: Add MSBuild to PATH
	uses: microsoft/setup-msbuild@v1

	- name: Verify OPENCV_PATH
	run: echo ${{ env.OPENCV_PATH }}

	- name: Build
	working-directory: ${{env.GITHUB_WORKSPACE}}
	run: \|
	cmake -DOpenCV_DIR="${{ env.OPENCV_PATH }}" .
	cmake --build .

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