R: Use OpenBLAS where available

Also fixes building of manuals and checks.

srcpkgs/R/template

@@ -1,18 +1,22 @@
 # Template file for 'R'
 pkgname=R
 version=4.0.3
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--docdir=/usr/share/doc/R rdocdir=/usr/share/doc/R
- --with-lapack --with-blas --enable-R-shlib --with-tcltk
+ --with-blas$(vopt_if openblas '="-lopenblas"') --with-lapack
+ --enable-R-shlib --with-tcltk
  --enable-memory-profiling
  LIBnn=lib"
 hostmakedepends="gcc-fortran pkg-config perl less which"
 makedepends="libgomp-devel readline-devel libXmu-devel libXt-devel
  libpng-devel libjpeg-turbo-devel tiff-devel cairo-devel icu-devel
- lapack-devel blas-devel zlib-devel bzip2-devel pcre2-devel liblzma-devel
- libcurl-devel tcl-devel tk-devel libxml2-devel"
+ zlib-devel bzip2-devel pcre2-devel liblzma-devel
+ libcurl-devel tcl-devel tk-devel libxml2-devel
+ texlive texlive-fontsextra texinfo
+ $(vopt_if openblas openblas-devel 'blas-devel lapack-devel')"
 depends="xdg-utils less which"
+checkdepends="tzdata tar"
 short_desc="System for statistical computation and graphics"
 maintainer="Florian Wagner <florian@wagner-flo.net>"
 license="GPL-2.0-or-later"
@@ -23,11 +27,27 @@ checksum=09983a8a78d5fb6bc45d27b1c55f9ba5265f78fa54a55c13ae691f87c5bb9e0d
 nocross=yes
 shlib_provides="libR.so"
 
+build_options="openblas"
+
+case "$XBPS_TARGET_MACHINE" in
+	x86_64*|i686*|aarch64*|armv[67]*|ppc64*)
+		# Prefer accelerated routines where available
+		build_options_default="openblas"
+		;;
+	*) ;;
+esac
+
 pre_configure() {
 	export R_BROWSER=/usr/bin/xdg-open
 	export R_PDFVIEWER=/usr/bin/xdg-open
 }
 
+do_check() {
+	if [ "${XBPS_CHECK_PKGS}" = full ]; then
+		( TEST_MC_CORES=${XBPS_MAKEJOBS} make check )
+	fi
+}
+
 post_install() {
 	# Sanitize Makeconf flags
 	vsed -i -e 's/^\(CFLAGS\|CXXFLAGS\|CXX1XFLAGS\|FFLAGS\|SAFE_FFLAGS\) = .*/\1 = -O2 -g $(LTO)/' \