sci-libs/fftw: imported live ebuild from sci

Package-Manager: portage-2.2.28

1 files changed, 183 insertions, 0 deletions

diff --git a/sci-libs/fftw/fftw-9999.ebuild b/sci-libs/fftw/fftw-9999.ebuild
new file mode 100644
index 000000000000..1b2fc028af04
--- /dev/null
+++ b/sci-libs/fftw/fftw-9999.ebuild
@@ -0,0 +1,183 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+FORTRAN_NEEDED=fortran
+
+inherit autotools-multilib eutils flag-o-matic fortran-2 multibuild toolchain-funcs versionator
+
+DESCRIPTION="Fast C library for the Discrete Fourier Transform"
+HOMEPAGE="http://www.fftw.org/"
+
+if [[ ${PV} = *9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/FFTW/fftw3.git"
+	KEYWORDS=""
+	AUTOTOOLS_AUTORECONF=1
+else
+	SRC_URI="http://www.fftw.org/${P}.tar.gz"
+	KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos"
+fi
+
+LICENSE="GPL-2"
+SLOT="3.0/3"
+IUSE="altivec cpu_flags_x86_avx doc cpu_flags_x86_fma3 cpu_flags_x86_fma4 fortran mpi neon openmp quad cpu_flags_x86_sse cpu_flags_x86_sse2 static-libs test threads zbus"
+
+RDEPEND="mpi? ( virtual/mpi )"
+DEPEND="${RDEPEND}
+	test? ( dev-lang/perl )"
+
+#can go once mpi is multlib
+MULTILIB_WRAPPED_HEADERS=(
+	/usr/include/fftw3-mpi.h
+	/usr/include/fftw3l-mpi.f03
+	/usr/include/fftw3-mpi.f03
+	/usr/include/fftw3q.f03
+)
+
+pkg_setup() {
+	# XXX: this looks like it should be used with BUILD_TYPE!=binary
+
+	if use openmp; then
+		if [[ $(tc-getCC) == *gcc ]] && ! tc-has-openmp; then
+			ewarn "OpenMP is not available in your current selected gcc"
+			die "need openmp capable gcc"
+		fi
+		FORTRAN_NEED_OPENMP=1
+	fi
+
+	fortran-2_pkg_setup
+
+	MULTIBUILD_VARIANTS=( single double longdouble )
+	if use quad; then
+		if [[ $(tc-getCC) == *gcc ]] && ! version_is_at_least 4.6 $(gcc-version); then
+			ewarn "quad precision only available for gcc >= 4.6"
+			die "need quad precision capable gcc"
+		fi
+		MULTIBUILD_VARIANTS+=( quad )
+	fi
+}
+
+src_prepare() {
+	# fix info file for category directory
+	[[ ${PV} = *9999 ]] || sed -i \
+		-e 's/Texinfo documentation system/Libraries/' \
+		doc/fftw3."info" || die "failed to fix info file"
+
+	autotools-utils_src_prepare
+}
+
+src_configure() {
+	local x
+
+	# filter -Os according to docs
+	replace-flags -Os -O2
+
+	my_configure() {
+		#a bit hacky improve after #483758 is solved
+		local x=${BUILD_DIR%-${ABI}}
+		x=${x##*-}
+		# there is no abi_x86_32 port of virtual/mpi right now
+		local enable_mpi=$(use_enable mpi)
+		multilib_is_native_abi || enable_mpi="--disable-mpi"
+
+		#jlec reported USE=quad on abi_x86_32 has too less registers
+		#stub Makefiles
+		if use amd64 && ! multilib_is_native_abi && [[ $x = quad ]]; then
+			mkdir -p "${BUILD_DIR}/tests" || die
+			echo "all: ;" > "${BUILD_DIR}/Makefile" || die
+			echo "install: ;" >> "${BUILD_DIR}/Makefile" || die
+			echo "smallcheck: ;" > "${BUILD_DIR}/tests/Makefile" || die
+			return 0
+		fi
+
+		myeconfargs=(
+			$(use_enable "cpu_flags_x86_fma$(usex cpu_flags_x86_fma3 3 4)" fma)
+			$(use_enable fortran)
+			$(use_enable zbus mips-zbus-timer)
+			$(use_enable threads)
+			$(use_enable openmp)
+		)
+		if [[ $x == single ]]; then
+			#altivec, sse, single-paired only work for single
+			myeconfargs+=(
+				--enable-single
+				$(use_enable altivec)
+				$(use_enable cpu_flags_x86_avx avx)
+				$(use_enable cpu_flags_x86_sse sse)
+				${enable_mpi}
+				$(use_enable neon)
+			)
+		elif [[ $x == double ]]; then
+			myeconfargs+=(
+				$(use_enable cpu_flags_x86_avx avx)
+				$(use_enable cpu_flags_x86_sse2 sse2)
+				${enable_mpi}
+			)
+		elif [[ $x == longdouble ]]; then
+			myeconfargs+=(
+				--enable-long-double
+				${enable_mpi}
+				)
+		elif [[ $x == quad ]]; then
+			#quad does not support mpi
+			myeconfargs+=( --enable-quad-precision )
+		else
+			die "${x} precision not implemented in this ebuild"
+		fi
+
+		autotools-utils_src_configure
+	}
+
+	multibuild_foreach_variant multilib_parallel_foreach_abi my_configure
+}
+
+src_compile() {
+	multibuild_foreach_variant autotools-multilib_src_compile
+}
+
+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"
+	multibuild_foreach_variant autotools-multilib_src_compile -C tests smallcheck
+}
+
+src_install () {
+	local u x
+	DOCS=( AUTHORS ChangeLog NEWS README TODO COPYRIGHT CONVENTIONS )
+	HTML_DOCS=( doc/html/ )
+
+	#copied from autotools-multilib_secure_install
+	my_abi_src_install() {
+		autotools-utils_src_install
+		#https://github.com/FFTW/fftw3/pull/6
+		# f03 are installed unconditionally, not a big problem as the quad
+		# header is the only one to be wrapped.
+		[[ ${BUILD_DIR} = *-quad* ]] || rm -f "${ED}/usr/include/fftw3q.f03"
+		if [[ ${#MULTIBUILD_VARIANTS[@]} -gt 1 ]]; then
+			multilib_prepare_wrappers
+			multilib_check_headers
+		fi
+	}
+	multibuild_foreach_variant multilib_foreach_abi my_abi_src_install
+	multilib_install_wrappers
+
+	if use doc; then
+		dodoc doc/*.pdf
+		insinto /usr/share/doc/${PF}/faq
+		doins -r doc/FAQ/fftw-faq.html/*
+	else
+		rm -r "${ED}"/usr/share/doc/${PF}/html
+	fi
+
+	for x in "${ED}"/usr/lib*/pkgconfig/*.pc; do
+		for u in $(usev mpi) $(usev threads) $(usex openmp omp ""); do
+			sed -e "s|-lfftw3[flq]\?|&_$u &|" "$x" > "${x%.pc}_$u.pc" || die
+		done
+	done
+}