Enable ITK_USE_BUILD_DIR #30

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	workflow_dispatch:
	# enable manual triggering
	schedule:
	# run testing on the first of each month 5am ET / 9am UTC
	- cron: '0 9 1 * *'

	jobs:
	R-build:
	strategy:
	matrix:
	R: [ '4.3.1' ]
	os: [ 'macos-13' ]
	runs-on: ${{ matrix.os }}
	name: ${{ matrix.R }} ${{ matrix.os }} build
	env:
	R_LIBS: ${{ github.workspace }}/Rlibs

	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	ref: ${{ github.event.pull_request.head.sha }}
	- name: Setup R
	uses: r-lib/actions/setup-r@v2
	with:
	r-version: ${{ matrix.R }}
	- name: System Dependencies
	if: startsWith( matrix.os, 'ubuntu' )
	run: \|
	sudo apt-get -y update &&
	sudo apt-get install -y libcurl4-openssl-dev libssh2-1-dev libharfbuzz-dev libfribidi-dev gh &&
	sudo rm -rf /var/lib/apt/lists/*
	- name: Configuration Information
	run: \|
	mkdir ${R_LIBS}
	c++ --version
	cmake --version
	which R
	R --version
	- name: Install R packages
	run: \|
	R -e "install.packages(c('git2r', 'devtools'), lib=c('${R_LIBS}'), repo='https://cloud.r-project.org/')"
	- name: Build and test
	run: \|
	set -x
	R -e "devtools::install(c('.'), lib=c('${R_LIBS}'), args=c('--configure-vars="MAKEJ=2"'))"
	env:
	ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS: 2

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