gnat_util-2016.ebuild

# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6

inherit toolchain-funcs multiprocessing

MYP=${PN}-gpl-${PV}

DESCRIPTION="Provides access to GNAT compiler internals for AdaCore utilities"
HOMEPAGE="http://libre.adacore.com"
SRC_URI="http://mirrors.cdn.adacore.com/art/57399637c7a447658e0affa6 -> ${MYP}-src.tar.gz"

LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~amd64"
IUSE="+shared static static-pic"

RDEPEND="dev-lang/gnat-gpl"
DEPEND="${RDEPEND}
	dev-ada/gprbuild"

S="${WORKDIR}"/${MYP}-src

PATCHES=( "${FILESDIR}"/${P}-gentoo.patch )

pkg_setup() {
	GCC=${ADA:-$(tc-getCC)}
	GNATMAKE="${GCC/gcc/gnatmake}"
	if [[ -z "$(type ${GNATMAKE} 2>/dev/null)" ]] ; then
		eerror "You need a gcc compiler that provides the Ada Compiler:"
		eerror "1) use gcc-config to select the right compiler or"
		eerror "2) set ADA=gcc-4.9.4 in make.conf"
		die "ada compiler not available"
	fi
}

src_compile() {
	emake GNATMAKE=${GNATMAKE} BUILDER="gprbuild -j$(makeopts_jobs)" generate_sources
	for kind in shared static static-pic; do
		if use ${kind}; then
			emake BUILDER="gprbuild -j$(makeopts_jobs)" build-${kind}
		fi
	done
}

src_install() {
	for kind in shared static static-pic; do
		if use ${kind}; then
			emake prefix="${D}"/usr install-${kind}
		fi
	done
	einstalldocs
}