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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
DESCRIPTION="A portable R6RS library and syntax-case system."
HOMEPAGE="http://www.cs.indiana.edu/~aghuloum/r6rs-libraries/"
SRC_URI="http://www.cs.indiana.edu/~aghuloum/r6rs-libraries/${PN}-rev${PV}.tgz"
SLOT="0"
LICENSE="MIT"
KEYWORDS="~x86"
DEPEND="bigloo? ( >=dev-scheme/bigloo-3.0b )
chicken? ( >=dev-scheme/chicken-2.170 )
gambit? ( >=dev-scheme/gambit-4.0_beta20 )
ikarus? ( dev-scheme/ikarus )
larceny? ( >=dev-scheme/larceny-0.93 )
mit-scheme? ( dev-scheme/mit-scheme-c )
mzscheme? ( dev-scheme/drscheme )
scheme48? ( >=dev-scheme/scheme48-1.7 )"
S="${WORKDIR}"/${PN}
IUSE="bigloo chicken examples gambit ikarus larceny mit-scheme mzscheme scheme48"
# used to determine all use-flags that associate with scheme implementations
SCHEME_USES="bigloo chicken gambit ikarus larceny mit-scheme mzscheme scheme48"
src_unpack() {
unpack ${A}
cd "${S}"
# upstream's makefile requires Chez Petite and Ikarus to be installed
# for anything to be built. copy in a new makefile that uses the
# provided pre-built files to bootstrap the other interpreters and
# avoid this requirement
cp "${FILESDIR}"/${P}-Makefile ./Makefile
}
src_compile() {
for i in ${SCHEME_USES} ; do
use ${i} && ( emake psyntax-${i}.pp || die "make failed" )
done
}
src_install() {
dodoc README.txt || die "Installing docs failed"
PSYNTAX_LOCATION="/usr/share/psyntax-r6rs"
dodir ${PSYNTAX_LOCATION}
if use examples ; then
cp -af examples "${D}"/${PSYNTAX_LOCATION} || \
die "Installing examples failed"
fi
for i in ${SCHEME_USES} ; do
if use ${i} ; then
# install the compiled psyntax-*.pp file
cp -af psyntax-${i}.pp "${D}"/${PSYNTAX_LOCATION} || \
die "Installing psyntax library file failed"
# only install the *.r6rs.ss script if it exists
[ -e ${i}.r6rs.ss ] && ( \
cp -af ${i}.r6rs.ss \
"${D}"/${PSYNTAX_LOCATION} || \
die "Installing psyntax script file failed" )
fi
done
}
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