opencv: update to 3.4.8.

srcpkgs/opencv/template

@@ -1,7 +1,7 @@
 # Template file for 'opencv'
 pkgname=opencv
-version=3.4.5
-revision=2
+version=3.4.8
+revision=1
 build_style=cmake
 configure_args="-DENABLE_PRECOMPILED_HEADERS=OFF -DWITH_OPENMP=ON
  -DWITH_OPENCL=ON -DENABLE_CXX11=ON -DOPENCV_SKIP_PYTHON_LOADER=ON
@@ -16,7 +16,11 @@ maintainer="Orphaned <orphan@voidlinux.org>"
 license="BSD-3-Clause"
 homepage="https://opencv.org"
 distfiles="https://github.com/opencv/${pkgname}/archive/${version}.tar.gz"
-checksum=0c57d9dd6d30cbffe68a09b03f4bebe773ee44dc8ff5cd6eaeb7f4d5ef3b428e
+checksum=f0901648a1db3dc3af30e65082665921dbe998673137380450bdd91e8251b567
+
+case "$XBPS_TARGET_MACHINE" in
+	armv[56]*|mips*) makedepends+=" libatomic-devel";;
+esac
 
 post_install() {
 	vlicense LICENSE
@@ -61,4 +65,3 @@ if [ -z "$CROSS_BUILD" ]; then
 		}
 	}
 fi
-