# Contributor: Isaac Dunham <ibid.ag@gmail.com>
# Maintainer: Isaac Dunham <ibid.ag@gmail.com>
pkgname=openblas
pkgver=0.2.12
pkgrel=0
pkgdesc="A fast BSD-licensed BLAS based on gotoBLAS2, with LAPACK"
url="http://www.openblas.net"
arch="all"
license="BSD"
depends=""
depends_dev="gfortran"
makedepends="$depends_dev perl"
install=""
subpackages="$pkgname-dev $pkgname-doc"
source="$pkgname-$pkgver.tar.gz::http://github.com/xianyi/OpenBLAS/archive/v$pkgver.tar.gz"

_builddir="$srcdir"/OpenBLAS-$pkgver
prepare() {
	local i
	cd "$_builddir"
	for i in $source; do
		case $i in
		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
		esac
	done
}

build() {
	cd "$_builddir"
#USE_OPENMP=0: see GCC bug 60035
#NO_AFFINITY: don't expect to work on musl, also breaks R
#DYNAMIC_ARCH=1 requires 00-cpuid.patch
	make USE_OPENMP=0 NO_LAPACK=0 NUM_THREADS=8 MAJOR_VERSION=3 \
	NO_AFFINITY=1 DYNAMIC_ARCH=1 PREFIX=/usr || return 1
}

package() {
	cd "$_builddir"
	mkdir -pm 0755 "$pkgdir/usr/lib" "$pkgdir/usr/include" \
	"$pkgdir/usr/share/doc/$pkgname" || return 1
	make USE_OPENMP=0 NO_LAPACK=0 NUM_THREADS=2 MAJOR_VERSION=3 \
	NO_AFFINITY=1 DYNAMIC_ARCH=1 PREFIX="$pkgdir/usr" install || return 1
	for FILE in *.txt *.md LICENSE; do
		install -m 0644 $FILE "$pkgdir/usr/share/doc/$pkgname" || return 1
	done
}
md5sums="5df7f175b2db6a2b02ca4ff932e39bc7  openblas-0.2.12.tar.gz"
sha256sums="b41f71f46faab1215f6f6d17541113dc01fd4d8fee0694f3f459bc2e3c2aaaaf  openblas-0.2.12.tar.gz"
sha512sums="3de9733e47fccdb1f8acbadd3418fd05c5c07e2a06552467ceb42c9ff4f9bd12243fa9027bca441299cf5f97c5e56774eab0a6d4ee1dca333fb4c85af69b7dc4  openblas-0.2.12.tar.gz"