# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils

DESCRIPTION="Neko is a high-level dynamically typed programming language."
HOMEPAGE="http://nekovm.org/"
SRC_URI="http://nekovm.org/_media/${P}.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86"
IUSE="apache mysql sqlite"

DEPEND="dev-libs/boehm-gc"
RDEPEND=""

pkg_setup() {
	# Check for threads enable for boehm-gc
	ewarn "Checking USE flags of dependencies... one moment"
	if ! built_with_use dev-libs/boehm-gc threads; then
		eerror "Re-emerge dev-libs/boehm-gc with the 'threads' USE flag"
		die
	fi
}

src_compile() {
	# Note: The Neko build system doesn't seem to provide a method for choosing
	# compile-time options, such as including/excluding mysql support. Instead,
	# it basically scans a directory for other directories and compiles whatever
	# is in them. So, the simplest way to exclude an optional library such as
	# mysql and apache is to remove the appropriate directory. And that is what
	# I've done below.
	if [ $(use mysql) -z ]
	then
			rm -fR ${S}/libs/mysql || die "Unable to disable mysql!"
	fi

	if [ $(use apache) -z ]
	then
			rm -fR ${S}/libs/mod_neko || die "Unable to disable apache!"
	fi

	if [ $(use sqlite) -z ]
	then
			rm -fR ${S}/libs/sqlite || die "Unable to disable sqlite!"
	fi

	emake || die "emake failed"
}

src_install() {
	dolib bin/libneko.so
	dobin bin/{neko,nekoc,nekotools}
	insinto /usr/local/include
	doins vm/neko*.h
	insinto /usr/local/lib/neko
	doins bin/*.ndll
}

pkg_postinst() {
	einfo "To setup neko environment now, execute"
	einfo "'env-update; source /etc/profile'"
}