# Copyright 1999-2009 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo-x86/sci-libs/fftw/fftw-3.2.2.ebuild,v 1.1 2009/08/09 04:48:24 bicatali Exp $ EAPI=2 inherit flag-o-matic eutils toolchain-funcs autotools 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 doc fortran openmp sse sse2 threads" pkg_setup() { FFTW_THREADS="--disable-threads --disable-openmp" if use openmp; then FFTW_THREADS="--disable-threads --enable-openmp" elif use threads; then FFTW_THREADS="--enable-threads --disable-openmp" fi if use openmp && [[ $(tc-getCC)$ == *gcc* ]] && ( [[ $(gcc-major-version)$(gcc-minor-version) -lt 42 ]] || ! built_with_use sys-devel/gcc openmp ) then ewarn "You are using gcc and OpenMP is only available with gcc >= 4.2 " ewarn "If you want to build fftw with OpenMP, abort now," ewarn "and switch CC to an OpenMP capable compiler" ewarn "Otherwise, we will build using POSIX threads." epause 5 FFTW_THREADS="--enable-threads --disable-openmp" fi FFTW_DIRS="single double longdouble" } src_prepare() { epatch "${FILESDIR}"/${PN}-3.2.1-as-needed.patch # fix info file for category directory sed -i \ -e 's/Texinfo documentation system/Libraries/' \ doc/fftw3.info || die "failed to fix info file" rm m4/lt* m4/libtool.m4 AT_M4DIR=m4 eautoreconf for x in ${FFTW_DIRS}; do mkdir "${S}-${x}" || die done } src_configure() { # filter -Os according to docs replace-flags -Os -O2 local myconfcommon="--enable-shared $(use_enable fortran) ${FFTW_THREADS}" local myconfsingle="${myconfcommon} --enable-single" local myconfdouble="${myconfcommon}" local myconflongdouble="${myconfcommon} --enable-long-double" if use sse2; then myconfsingle="${myconfsingle} --enable-sse" myconfdouble="${myconfdouble} --enable-sse2" elif use sse; then myconfsingle="${myconfsingle} --enable-sse" fi # altivec only helps singles, not doubles if use altivec; then myconfsingle="${myconfsingle} --enable-altivec" fi for x in ${FFTW_DIRS}; do cd "${S}-${x}" einfo "Configuring for ${x} precision" local p=myconf${x} ECONF_SOURCE="${S}" econf ${!p} done } src_compile() { for x in ${FFTW_DIRS}; do cd "${S}-${x}" einfo "Compiling for ${x} precision" emake || die "emake for ${x} precision failed" done } 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" # ${testbase} -${p}d || die "Failure: $n" for x in ${FFTW_DIRS}; do cd "${S}-${x}/tests" einfo "Testing ${x} precision" emake -j1 check || die "emake test ${x} failed" done } src_install () { # all builds are installed in the same place # libs have distinuguished names; include files, docs etc. identical. for x in ${FFTW_DIRS}; do cd "${S}-${x}" emake DESTDIR="${D}" install || die "emake install for ${x} failed" done cd "${S}" dodoc AUTHORS ChangeLog NEWS README TODO COPYRIGHT CONVENTIONS if use doc; then cd doc insinto /usr/share/doc/${PF} doins -r html fftw3.pdf || die "doc install failed" insinto /usr/share/doc/${PF}/faq doins FAQ/fftw-faq.html/* fi }