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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/djbfft/djbfft-0.76-r1.ebuild,v 1.3 2012/06/28 01:12:40 bicatali Exp $
EAPI=4
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/${P}.tar.gz"
LICENSE="public-domain"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ppc ~ppc64 ~sh ~sparc ~x86 ~amd64-fbsd ~amd64-linux ~x86-fbsd ~x86-linux"
IUSE=""
src_prepare() {
SOVER="${PV:0:1}.${PV:2:1}.${PV:3:1}" # a.bc -> a.b.c
# 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
use x86 && append-cflags -malign-double
SONAME="libdjbfft.so.${SOVER}"
epatch \
"${FILESDIR}"/${P}-gcc3.patch \
"${FILESDIR}"/${P}-shared.patch \
"${FILESDIR}"/${P}-headers.patch
sed -i -e "s:\"lib\":\"$(get_libdir)\":" hier.c || die
echo "$(tc-getCC) ${CFLAGS} -fPIC" > "conf-cc"
echo "$(tc-getCC) ${LDFLAGS}" > "conf-ld"
echo "${ED}usr" > "conf-home"
einfo "conf-cc: $(<conf-cc)"
}
src_compile() {
emake \
LIBDJBFFT=${SONAME} \
LIBPERMS=0755 \
${SONAME}
}
src_test() {
local t
for t in accuracy accuracy2 speed; do
emake ${t}
einfo "Testing ${t}"
LD_LIBRARY_PATH=. ./${t} > ${t}.out || die "test ${t} failed"
done
}
src_install() {
emake LIBDJBFFT=${SONAME} install
./install || die "install failed"
dosym ${SONAME} /usr/$(get_libdir)/libdjbfft.so
dosym ${SONAME} /usr/$(get_libdir)/libdjbfft.so.${SOVER%%.*}
dodoc CHANGES README TODO VERSION
}
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