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# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-devel/bison/bison-1.875.ebuild,v 1.24 2004/09/25 07:43:50 vapier Exp $
inherit gcc flag-o-matic eutils gnuconfig
DESCRIPTION="A yacc-compatible parser generator"
HOMEPAGE="http://www.gnu.org/software/bison/bison.html"
SRC_URI="mirror://gnu/bison/${P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="x86 ppc sparc mips alpha arm hppa amd64 ia64 ppc64 s390"
IUSE="nls static uclibc"
DEPEND="sys-devel/m4
nls? ( sys-devel/gettext )"
use uclibc && PROVIDE="dev-util/yacc"
src_unpack() {
unpack ${A}
cd ${S}
epatch ${FILESDIR}/${PN}-1.32-extfix.patch
epatch ${FILESDIR}/${PN}-1.875-gccerror.patch
gnuconfig_update
}
src_compile() {
# Bug 39842 says that bison segfaults when built on amd64 with
# optimizations. This will probably be fixed in a future gcc
# version, but for the moment just disable optimizations for that
# arch (04 Feb 2004 agriffis)
[ "$ARCH" == "amd64" ] && append-flags -O0
# Bug 29017 says that bison has compile-time issues with
# -march=k6* prior to 3.4CVS. Use -march=i586 instead
# (04 Feb 2004 agriffis)
#
if (( $(gcc-major-version) == 3 && $(gcc-minor-version) < 4 )) ; then
replace-cpu-flags k6 k6-1 k6-2 i586
fi
econf `use_enable nls` || die
if use static; then
emake LDFLAGS="-static" || die
else
emake || die
fi
}
src_install() {
make DESTDIR=${D} \
datadir=/usr/share \
mandir=/usr/share/man \
infodir=/usr/share/info \
install || die
# This one is installed by dev-util/yacc
if ! use uclibc; then
mv ${D}/usr/bin/yacc ${D}/usr/bin/yacc.bison || die
fi
# We do not need this.
rm -f ${D}/usr/lib/liby.a
dodoc AUTHORS NEWS ChangeLog README REFERENCES OChangeLog
docinto txt
dodoc doc/FAQ
}
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