# Copyright 1999-2002 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: $

DESCRIPTION="A yacc-like parser generator for Haskell"
HOMEPAGE="http://haskell.org/happy/"
SRC_URI="http://haskell.cs.yale.edu/happy/dist/1.13/happy-1.13-src.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~x86"
IUSE=""

DEPEND=""
    # This should really depend on the GHC package, but this one
    # doesn't compile under Gentoo yet, so I leave it out here in
    # order to make the package usable for those who have GHC
    # installed manually.

RDEPEND=""

src_compile() {
    # Try to find an already-running GHC. (This is a work around until
    # GHC is officially part of Gentoo.)

    if test -z "${GHC}"; then
            if which_ghc=`which ghc`; then
                    GHC="${which_ghc}"
            fi
    fi

    econf --with-ghc=${GHC} || die

    # "emake" does not work reliably. Probably due to the classic
    # dependency problem in make with parallel builds.
    make || die
}

src_install() {
    einstall || die
}