# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils flag-o-matic versionator

major=$(get_version_component_range 1)
type=`expr match $(get_version_component_range 2) '\([a-z]*\)'`
minor=`expr match $(get_version_component_range 2) '[a-z]*\([0-9]*\)'`
MY_P="MetaOCaml_${major}_${type}_${minor}"

DESCRIPTION="A compiled, type-safe, multi-stage programming language"

HOMEPAGE="http://www.metaocaml.org/"

SRC_URI="http://www.metaocaml.org/dist/old/${MY_P}.tar.gz"

LICENSE="QPL-1.0 GPL-2-with-linking-exception"

SLOT="0"

KEYWORDS="~x86"

IUSE="ncurses tcltk threads native"

RESTRICT="nostrip"

DEPEND="virtual/libc
        ncurses? ( >=sys-libs/ncurses-5.4-r6 )
        tcltk?   (
                   >=dev-lang/tk-8.4.9
                 )
        !dev-lang/ocaml"

PROVIDE="dev-lang/ocaml"

S=${WORKDIR}/${MY_P}

src_compile() {
	filter-flags "-fstack-protector"
	replace-flags "-O?" -O2
	
	local myconf

	if use !ncurses; then
		myconf="${myconf} -no-curses"
	fi
	
	if use !tcltk; then
		myconf="${myconf} -no-tk"
	fi
	
	if use threads; then
		myconf="${myconf} -with-pthread"
	else
		myconf="${myconf} -no-pthread"
	fi

	./configure \
	   ${myconf} \
	   -host ${CHOST} \
	   -prefix /usr \
	   -bindir /usr/bin \
	   -libdir /usr/$(get_libdir)/ocaml \
	   -mandir /usr/share/man || die "./configure failed"

	sed -i -e "s/\(BYTECCCOMPOPTS=.*\)/\1 ${CFLAGS}/" config/Makefile
	sed -i -e "s/\(NATIVECCCOMPOPTS=.*\)/\1 ${CFLAGS}/" config/Makefile

	local makeOptions="-j1"
	

	emake ${makeOptions} world || die "emake world failed"

	emake ${makeOptions} bootstrap

	# If the first bootstrap fails, we try bootstrapping again
	# to get to a fixpoint.
	if [ ${?} != 0 ]; then #not at fix point...
		emake ${makeOptions} bootstrap || die "Second emake bootstrap failed"
	fi

	if use native; then
		#make world.opt does not produce metaocaml[c]; do it manually
		emake ${makeOptions} opt || die "emake opt failed"
		emake ${makeOptions} opt.opt || die "emake opt.opt failed"
	fi
}

src_install() {
	make BINDIR=${D}/usr/bin \
	     LIBDIR=${D}/usr/$(get_libdir)/ocaml \
	     MANDIR=${D}/usr/share/man \
	     install || die
				
	# removes sandbox dir from ld.conf
	dosed "s:${D}::g" /usr/$(get_libdir)/ocaml/ld.conf

	dodoc Changes INSTALL LICENSE README Upgrading
}