# Contributor: Jakub Jirutka <jakub@jirutka.cz>
# Maintainer: Jakub Jirutka <jakub@jirutka.cz>
pkgname=arpack
_pkgname=$pkgname-ng
pkgver=3.4.0
pkgrel=1
pkgdesc="Collection of Fortran77 subroutines designed to solve large scale eigenvalue problems"
url="https://github.com/opencollab/arpack-ng"
arch="all"
license="BSD"
depends=""
depends_dev="openblas-dev"
makedepends="$depends_dev autoconf automake gfortran libtool"
subpackages="$pkgname-dev $pkgname-doc"
source="$pkgname-$pkgver.tar.gz::https://github.com/opencollab/$_pkgname/archive/$pkgver.tar.gz"
builddir="$srcdir/$_pkgname-$pkgver"

_ilp64=no
_builddir64="$builddir-64"
if [ "$CARCH" = "x86_64" ]; then
	subpackages="$subpackages $pkgname-ilp64"
	_ilp64=yes
fi

prepare() {
	default_prepare || return 1
	cd "$builddir"

	./bootstrap
	cp -ar "$builddir" "$_builddir64"
}

build() {
	cd "$builddir"
	_build || return 1

	if [ "$_ilp64" = yes ]; then
		msg "Building with ILP64..."

		cd "$builddir-64"
		_build LIBSUFFIX=64_ \
			SYMBOLSUFFIX=_64 \
			INTERFACE64=1 \
			--with-blas=openblas64_ \
			--with-lapack=openblas64_ \
			|| return 1
	fi
}

_build() {
	./configure \
		--build=$CBUILD \
		--host=$CHOST \
		--prefix=/usr \
		"$@" || return 1
	make
}

package() {
	if [ "$_ilp64" = yes ]; then
		make -C "$_builddir64" DESTDIR="$pkgdir" install || return 1
	fi

	cd "$builddir"
	make DESTDIR="$pkgdir" install || return 1

	install -D -m644 COPYING \
		"$pkgdir/usr/share/licenses/$pkgname/COPYING" || return 1

	install -d "$pkgdir"/usr/share/doc/$pkgname || return 1
	mv DOCUMENTS/* "$pkgdir"/usr/share/doc/$pkgname/
}

ilp64() {
	pkgdesc="$pkgdesc (ILP64)"
	arch="x86_64"

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libarpack64_* "$subpkgdir"/usr/lib/
}

md5sums="ae9ca13f2143a7ea280cb0e2fd4bfae4  arpack-3.4.0.tar.gz"
sha256sums="69e9fa08bacb2475e636da05a6c222b17c67f1ebeab3793762062248dd9d842f  arpack-3.4.0.tar.gz"
sha512sums="4577a960ed0783ed2c0eb5e1871c21b9e23e75fbbfa10da1584cd3716f2699c0d633bb0e2019c0aa8809917684ef18d32508b76cb1edfc62b1179d5bbc2b68ba  arpack-3.4.0.tar.gz"