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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-libs/fftw/fftw-3.1.2.ebuild,v 1.13 2008/06/23 14:31:13 bicatali Exp $
inherit flag-o-matic eutils toolchain-funcs autotools fortran
DESCRIPTION="Fast C library for the Discrete Fourier Transform"
HOMEPAGE="http://www.fftw.org/"
SRC_URI="http://www.fftw.org/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="3.0"
KEYWORDS="alpha amd64 arm hppa ia64 ~mips ppc ppc64 sparc x86"
IUSE="altivec fortran sse sse2 test"
DEPEND="test? ( dev-lang/perl )"
pkg_setup() {
FORTRAN="gfortran ifc g77"
use fortran && fortran_pkg_setup
}
src_unpack() {
unpack ${A}
cd "${S}"
epatch "${FILESDIR}"/${P}-configure.ac.patch
# fix info file
sed -e 's/Texinfo documentation system/Libraries/' \
-i doc/fftw3.info || die "failed to fix info file"
AT_M4DIR=m4 eautoreconf
cd "${WORKDIR}"
mv ${P} ${P}-single
cp -pPR ${P}-single ${P}-double
cp -pPR ${P}-single ${P}-longdouble
}
src_compile() {
# filter -Os according to docs
replace-flags -Os -O2
local myconfcommon="--enable-shared --enable-threads $(use_enable fortran)"
local myconfsingle=""
local myconfdouble=""
local myconflongdouble=""
if use sse2; then
myconfsingle="$myconfsingle --enable-sse"
myconfdouble="$myconfdouble --enable-sse2"
elif use sse; then
myconfsingle="$myconfsingle --enable-sse"
fi
# altivec only helps floats, not doubles
if use altivec; then
myconfsingle="$myconfsingle --enable-altivec"
fi
cd "${S}-single"
econf \
${myconfcommon} \
--enable-float \
${myconfsingle} || \
die "./configure in single failed"
emake || die "emake single failed"
#the only difference here is no --enable-float
cd "${S}-double"
econf \
${myconfcommon} \
${myconfdouble} || \
die "./configure in double failed"
emake || die "emake double failed"
#the only difference here is --enable-long-double
cd "${S}-longdouble"
econf \
${myconfcommon} \
--enable-long-double \
${myconflongdouble} || \
die "./configure in long double failed"
emake || die "emake long double failed"
}
src_install () {
# all builds are installed in the same place
# libs have distinuguished names; include files, docs etc. identical.
for i in single double longdouble; do
cd "${S}-${i}"
emake DESTDIR="${D}" install || die "emake install for ${i} failed"
done
# Install documentation.
cd "${S}-single"
dodoc AUTHORS ChangeLog NEWS README TODO COPYRIGHT CONVENTIONS || die
cd doc/html
dohtml -r .
}
src_test () {
# We want this to be a reasonably quick test, but that is still hard...
ewarn "This test series will take 30 minutes on a modern 2.5Ghz machine"
# Do not increase the number of threads, it will not help your performance
local testbase="perl check.pl --nthreads=1 --estimate"
for d in single double longdouble; do
cd "${S}-${d}"/tests
for p in 0 1 2; do
n="${d/longdouble/long double} / ${p}-D"
einfo "Testing $n"
${testbase} -${p}d || die "Failure: $n"
done
done
}
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