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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/fftw/fftw-2.1.5-r3.ebuild,v 1.4 2007/07/13 06:57:51 mr_bones_ Exp $
WANT_AUTOCONF="latest"
WANT_AUTOMAKE="latest"
inherit flag-o-matic multilib autotools
IUSE="doc mpi float"
DESCRIPTION="C subroutine library for computing the Discrete Fourier Transform (DFT)"
SRC_URI="http://www.fftw.org/${P}.tar.gz"
HOMEPAGE="http://www.fftw.org"
# hppa does not have yet a virtual/mpi, and just got ~.
DEPEND="mpi? ( !hppa? ( virtual/mpi ) )
mpi? ( hppa? ( sys-cluster/lam-mpi ) )"
SLOT="2.1"
LICENSE="GPL-2"
KEYWORDS="alpha amd64 hppa ia64 ppc ppc64 sparc x86"
pkg_setup() {
# this one is reported to cause trouble on pentium4 m series
filter-mfpmath "sse"
# here I need (surprise) to increase optimization:
# --enable-i386-hacks requires -fomit-frame-pointer to work properly
if [ "${ARCH}" == "x86" ]; then
is-flag "-fomit-frame-pointer" || append-flags "-fomit-frame-pointer"
fi
}
src_unpack() {
# doc suggests installing single and double precision versions via separate compilations
# will do in two separate source trees
# since some sed'ing is done during the build (?if --enable-type-prefix is set?)
unpack ${A}
cd "${S}"
epatch "${FILESDIR}/${P}-as-needed.patch"
# fix info files
for infofile in doc/fftw*info*; do
echo "INFO-DIR-SECTION Libraries" >>${infofile}
echo "START-INFO-DIR-ENTRY" >>${infofile}
echo "* fftw: (fftw). C subroutine library for computing the Discrete Fourier Transform (DFT)" >>${infofile}
echo "END-INFO-DIR-ENTRY" >>${infofile}
done
eautoreconf
cd "${WORKDIR}"
cp -R ${P} ${P}-double
mv ${P} ${P}-single
}
src_compile() {
cd "${S}-single"
econf \
--enable-float \
--enable-shared \
--enable-type-prefix \
--enable-vec-recurse \
--enable-threads \
$(use_enable mpi) \
$(use_enable x86 i386-hacks) \
|| die "econf for float failed"
emake || die "emake for float failed"
# the only difference here is no --enable-float
cd "${S}-double"
econf \
--enable-shared \
--enable-type-prefix \
--enable-vec-recurse \
--enable-threads \
$(use_enable mpi) \
$(use_enable x86 i386-hacks) \
|| die "econf for double failed"
emake || die "emake for double failed"
}
src_test() {
cd "${S}-single"
emake check || die "emake check single failed"
cd "${S}-double"
emake check || die "emake check double failed"
}
src_install () {
# both builds are installed in the same place
# libs are distinguished by prefix (s or d), see docs for details
cd "${S}-single"
emake DESTDIR="${D}" install || die "emake install float failed"
insinto /usr/include
doins fortran/fftw_f77.i || die "doins failed"
dodoc AUTHORS ChangeLog NEWS TODO README README.hacks || die "dodoc failed"
use doc && dohtml doc/*
cd "${S}-double"
emake DESTDIR="${D}" install || die "emake install double failed"
if use float; then
dosym sfftw.h /usr/include/fftw.h
dosym srfftw.h /usr/include/rfftw.h
dosym libsfftw.so /usr/$(get_libdir)/libfftw.so
dosym libsrfftw.so /usr/$(get_libdir)/librfftw.so
dosym sfftw_threads.h /usr/include/fftw_threads.h
dosym srfftw_threads.h /usr/include/rfftw_threads.h
dosym libsfftw_threads.so /usr/$(get_libdir)/libfftw_threads.so
dosym libsrfftw_threads.so /usr/$(get_libdir)/librfftw_threads.so
else
dosym dfftw.h /usr/include/fftw.h
dosym drfftw.h /usr/include/rfftw.h
dosym libdfftw.so /usr/$(get_libdir)/libfftw.so
dosym libdrfftw.so /usr/$(get_libdir)/librfftw.so
dosym dfftw_threads.h /usr/include/fftw_threads.h
dosym drfftw_threads.h /usr/include/rfftw_threads.h
dosym libdfftw_threads.so /usr/$(get_libdir)/libfftw_threads.so
dosym libdrfftw_threads.so /usr/$(get_libdir)/librfftw_threads.so
fi
}
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