Install pc files for threads

(Portage version: 2.2.0_alpha6/cvs/Linux x86_64)

1 files changed, 122 insertions, 0 deletions

diff --git a/sci-libs/fftw/fftw-3.2.2-r1.ebuild b/sci-libs/fftw/fftw-3.2.2-r1.ebuild
new file mode 100644
index 000000000000..db0fe04b6fbb
--- /dev/null
+++ b/sci-libs/fftw/fftw-3.2.2-r1.ebuild
@@ -0,0 +1,122 @@
+# Copyright 1999-2010 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-r1.ebuild,v 1.1 2010/12/02 21:50:49 jlec Exp $
+
+EAPI=2
+
+inherit autotools eutils flag-o-matic toolchain-funcs
+
+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 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos"
+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-has-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"
+	use openmp && [[ $(tc-getCC)$ == icc* ]] && append-ldflags $(no-as-needed)
+}
+
+src_prepare() {
+	use threads && epatch "${FILESDIR}"/${P}-pc-threads.patch
+	epatch "${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
+}