sci-mathematics/lcalc/lcalc-2.0.4.ebuild


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DESCRIPTION="Command-line utility and library for L-function computations"
HOMEPAGE="https://gitlab.com/sagemath/lcalc"
SRC_URI="https://gitlab.com/sagemath/lcalc/uploads/4d84022aa5285414eb547121b783601a/${P}.tar.xz"

LICENSE="GPL-2+"
# The subslot is the libLfunction soname major version
SLOT="0/1"
KEYWORDS="~amd64"

# Omit USE=mpfr for now because it's broken upstream:
#
#   https://gitlab.com/sagemath/lcalc/-/issues/7
#
IUSE="+double double-double quad-double pari"
REQUIRED_USE="^^ ( double double-double quad-double )"

BDEPEND="dev-util/gengetopt"
DEPEND="double-double? ( sci-libs/qd:= )
	quad-double? ( sci-libs/qd:= )
	pari? ( sci-mathematics/pari:= )"
REPEND="${DEPEND}"

src_configure() {
	econf $(use_with pari) \
		  --enable-precision="$(usev double)$(usev double-double)$(usev quad-double)"
}