Arch aruco needed for opentracker

PKGBUILD

pkgname=aruco-git
pkgver=2.0.19.5675
pkgrel=1
pkgdesc="Augmented reality library based on OpenCV"
arch=('i686' 'x86_64')
url="https://www.uco.es/investiga/grupos/ava/node/26"
license=('BSD')
depends=(opencv)
makedepends=(cmake)
source=("git+https://github.com/opentrack/aruco.git#commit=567503cf3a1feed334b6eaf95dbcbcdc39952feb")
md5sums=('b5a24f87f1cb36256b4d276e5a9bff84')

pkgver() {
  cd aruco
  git describe --long --tags | sed 's/^v//;s/\([^-]*-g\)/r\1/;s/-/./g'
}

build() {
        cd "$pkgname-$pkgver"
        cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr .
        make
}

package() {
        cd "$pkgname-$pkgver"
        make DESTDIR="$pkgdir/" install
}