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# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/djbfft/djbfft-0.76.ebuild,v 1.9 2007/04/07 15:49:52 genstef Exp $
inherit eutils flag-o-matic toolchain-funcs multilib
DESCRIPTION="extremely fast library for floating-point convolution"
HOMEPAGE="http://cr.yp.to/djbfft.html"
SRC_URI="http://cr.yp.to/djbfft/${P}.tar.gz"
LICENSE="as-is"
SLOT="0"
KEYWORDS="alpha amd64 arm ~hppa ppc ppc64 sh sparc x86 ~x86-fbsd"
IUSE=""
# the "check" target of the Makefile (version 0.76 at least) only checks if
# all files were installed with correct permissions. Can't check that at
# this point of the installation.
RESTRICT="test"
src_unpack() {
MY_PV="${PV:0:1}.${PV:2:1}.${PV:3:1}" # a.bc -> a.b.c
MY_D="${D}usr"
# mask out everything, which is not suggested by the author (RTFM)!
ALLOWED_FLAGS="-fstack-protector -march -mcpu -pipe -mpreferred-stack-boundary -ffast-math"
strip-flags
MY_CFLAGS="${CFLAGS} -O1 -fomit-frame-pointer"
use x86 && MY_CFLAGS="${MY_CFLAGS} -malign-double"
LIBPERMS="0755"
LIBDJBFFT="libdjbfft.so.${MY_PV}"
unpack ${A}
cd "${S}"
epatch "${FILESDIR}/${P}-gcc3.patch"
epatch "${FILESDIR}/${P}-shared.patch"
sed -i -e "s:\"lib\":\"$(get_libdir)\":" hier.c
echo "$(tc-getCC) $MY_CFLAGS -fPIC -DPIC" > "conf-cc"
echo "$(tc-getCC) ${LDFLAGS}" > "conf-ld"
echo "${MY_D}" > "conf-home"
einfo "conf-cc: $(<conf-cc)"
}
src_compile() {
emake LIBDJBFFT="$LIBDJBFFT" LIBPERMS="$LIBPERMS" || die "emake failed"
}
src_install() {
make LIBDJBFFT="$LIBDJBFFT" setup check || die "install failed"
dosym "${LIBDJBFFT}" /usr/$(get_libdir)/libdjbfft.so
dosym "${LIBDJBFFT}" /usr/$(get_libdir)/libdjbfft.so.${MY_PV%%.*}
dodoc CHANGES README TODO VERSION
}
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