# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-lisp/mzscheme/mzscheme-205.ebuild,v 1.9 2005/04/21 18:51:32 hansmi Exp $

inherit flag-o-matic

S=${WORKDIR}/plt
DESCRIPTION="MzScheme scheme compiler"
HOMEPAGE="http://www.plt-scheme.org/software/mzscheme/"
SRC_URI="http://www.cs.utah.edu/plt/download/${PV}/mz/mz-${PV}-src-unix.tgz"
DEPEND=">=sys-devel/gcc-2.95.3-r7"
SLOT="0"
LICENSE="LGPL-2.1"
KEYWORDS="~x86 ~ppc ~sparc"
IUSE=""
EXTRA_ECONF="--enable-perl"

src_compile() {
	# http://bugs.gentoo.org/show_bug.cgi?id=47037 -march=athlon-xp
	# causes build failure
	if is-flag '-march=athlon-xp'; then
		replace-flags '-march=athlon-xp' '-mcpu=athlon-xp'
	fi
	# http://bugs.gentoo.org/show_bug.cgi?id=48491 -march=pentium4
	# causes build failure
	if is-flag '-march=pentium4'; then
		replace-flags '-march=pentium4' '-mcpu=pentium4'
	fi

	# mzscheme is sensitive to a lot of compiler flags
#	unset CFLAGS

	cd ${S}/src
	econf || die "./configure failed"

	# do the modifications
	cd ${WORKDIR}
	epatch ${FILESDIR}/${P}-collects_pre.patch || die

	cd ${S}/src
	emake -j1 || die

	cd ${S}/src/mzscheme
	emake -j1 startup || die

	cd ${WORKDIR}
	epatch ${FILESDIR}/${P}-collects_post.patch || die

	cd ${S}/src
	emake -j1 || die
}

src_install () {
	cd ${S}/src
	echo -e "n\n" | einstall || die "installation failed"
	cd ${S}
	dodoc src/README
	dodoc notes/COPYING.LIB
	dodoc notes/mzscheme/*

	# 2002-09-06: karltk
	# Normally, one specifies the full path to the collects,
	# so this should work, but it's not been tested properly.
	mv ${D}/usr/install ${D}/usr/bin/mzscheme-install

	dodir /usr/share/mzscheme
	mv ${D}/usr/collects/ ${D}/usr/share/mzscheme/collects/

	rm -rf ${D}/usr/notes/

	#the resultant files are infected with ${D} and Makefiles do not recognize
	#standard conventions. Looks like the simples way out is to
	#strip ${D}'s here
	cd ${D}/usr
	grep -rle "${D}" . | xargs sed -i -e "s:${D}:/:g"
}