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# Copyright 1999-2006 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 1.2 2006/07/12 12:38:37 markusle Exp $
inherit flag-o-matic eutils toolchain-funcs autotools
DESCRIPTION="C subroutine library for computing the Discrete Fourier Transform (DFT)"
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 ~ppc-macos ~ppc64 ~sparc ~x86"
IUSE="altivec sse sse2 test"
DEPEND="test? ( dev-lang/perl )"
src_unpack() {
unpack ${A}
cd "${S}"
if [[ "${ARCH}" == "ppc-macos" ]];then
epatch "${FILESDIR}"/${PN}-ppc-macos.patch
fi
# fix info file
sed -e 's/Texinfo documentation system/Libraries/' \
-i doc/fftw3.info || die "failed to fix info file"
cd "${WORKDIR}"
mv ${P} ${P}-single
cp -pPR ${P}-single ${P}-double
cp -pPR ${P}-single ${P}-longdouble
}
src_compile() {
# filter -Os according to docs
replace-flags -Os -O2
local myconfcommon="--enable-shared --enable-threads"
local myconfsingle=""
local myconfdouble=""
local myconflongdouble=""
if use sse2; then
myconfsingle="$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 \
${myconfsingle} || \
die "./configure in single failed"
emake || die
#the only difference here is no --enable-float
cd "${S}-double"
econf \
${myconfcommon} \
${myconfdouble} || \
die "./configure in double failed"
emake || die
#the only difference here is --enable-long-double
cd "${S}-longdouble"
econf \
${myconfcommon} \
--enable-long-double \
${myconflongdouble} || \
die "./configure in long double failed"
emake || die
}
src_install () {
#all builds are installed in the same place
#libs have distinuguished names; include files, docs etc. identical.
cd "${S}-single"
emake DESTDIR="${D}" install || die
cd "${S}-double"
emake DESTDIR="${D}" install || die
cd "${S}-longdouble"
emake DESTDIR="${D}" install || die
# Install documentation.
cd "${S}-single"
dodoc AUTHORS ChangeLog NEWS README TODO COPYRIGHT CONVENTIONS
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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