commit:     bc907150db2f0ee9d167d4ef68172b230f9951ff
Author:     Christoph Junghans <ottxor <AT> gentoo <DOT> org>
AuthorDate: Wed Aug 10 17:38:21 2016 +0000
Commit:     David Seifert <soap <AT> gentoo <DOT> org>
CommitDate: Thu Aug 11 07:54:54 2016 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=bc907150

sci-libs/fftw: use multilib mpi

Package-Manager: portage-2.2.28
Closes: https://github.com/gentoo/gentoo/pull/2062

Signed-off-by: David Seifert <soap <AT> gentoo.org>

 sci-libs/fftw/fftw-3.3.5-r2.ebuild | 191 +++++++++++++++++++++++++++++++++++++
 1 file changed, 191 insertions(+)

diff --git a/sci-libs/fftw/fftw-3.3.5-r2.ebuild 
b/sci-libs/fftw/fftw-3.3.5-r2.ebuild
new file mode 100644
index 0000000..5285914
--- /dev/null
+++ b/sci-libs/fftw/fftw-3.3.5-r2.ebuild
@@ -0,0 +1,191 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+FORTRAN_NEEDED=fortran
+
+inherit flag-o-matic fortran-2 toolchain-funcs versionator multibuild 
multilib-minimal
+
+DESCRIPTION="Fast C library for the Discrete Fourier Transform"
+HOMEPAGE="http://www.fftw.org/";
+
+if [[ ${PV} = *9999 ]]; then
+       inherit autotools git-r3
+       EGIT_REPO_URI="https://github.com/FFTW/fftw3.git";
+else
+       SRC_URI="http://www.fftw.org/${P}.tar.gz";
+       KEYWORDS=""
+fi
+
+LICENSE="GPL-2+"
+SLOT="3.0/3"
+IUSE="altivec cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_fma3 
cpu_flags_x86_fma4 cpu_flags_x86_sse cpu_flags_x86_sse2 doc fortran mpi neon 
openmp quad static-libs test threads zbus"
+
+RDEPEND="
+       mpi? ( >=virtual/mpi-2.0-r4[${MULTILIB_USEDEP}] )"
+DEPEND="${RDEPEND}
+       test? ( dev-lang/perl )"
+
+pkg_setup() {
+       if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
+               if ! tc-has-openmp; then
+                       ewarn "OpenMP is not available in your current selected 
compiler"
+
+                       if tc-is-clang; then
+                               ewarn "OpenMP support in sys-devel/clang is 
provided by sys-libs/libomp,"
+                               ewarn "which you will need to build 
${CATEGORY}/${PN} with USE=\"openmp\""
+                       fi
+
+                       die "need openmp capable compiler"
+               fi
+               FORTRAN_NEED_OPENMP=1
+       fi
+
+       fortran-2_pkg_setup
+
+       MULTIBUILD_VARIANTS=( single double longdouble )
+       if use quad; then
+               if tc-is-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() {
+       default
+
+       # fix info file for category directory
+       if [[ ${PV} = *9999 ]]; then
+               sed -i -e
+                       's/Texinfo documentation system/Libraries/' \
+                       doc/fftw3."info" || die "failed to fix info file"
+
+               eautoreconf
+       fi
+}
+
+multilib_src_configure() {
+       # jlec reported USE=quad on abi_x86_32 has too few registers
+       # stub Makefiles
+       if [[ ${MULTILIB_ABI_FLAG} == abi_x86_32 && ${MULTIBUILD_ID} == quad-* 
]]; then
+               mkdir -p "${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
+
+       local myconf=(
+               --enable-shared
+               $(use_enable static-libs static)
+               $(use_enable "cpu_flags_x86_fma$(usex cpu_flags_x86_fma3 3 4)" 
fma)
+               $(use_enable fortran)
+               $(use_enable zbus mips-zbus-timer)
+               $(use_enable threads)
+               $(use_enable openmp)
+       )
+       case "${MULTIBUILD_ID}" in
+               single-*)
+                       # altivec, sse, single-paired only work for single
+                       myconf+=(
+                               --enable-single
+                               $(use_enable altivec)
+                               $(use_enable cpu_flags_x86_avx avx)
+                               $(use_enable cpu_flags_x86_avx2 avx2)
+                               $(use_enable cpu_flags_x86_sse sse)
+                               $(use_enable cpu_flags_x86_sse2 sse2)
+                               $(use_enable neon)
+                               $(use_enable mpi)
+                       )
+                       ;;
+
+               double-*)
+                       myconf+=(
+                               $(use_enable cpu_flags_x86_avx avx)
+                               $(use_enable cpu_flags_x86_avx2 avx2)
+                               $(use_enable cpu_flags_x86_sse2 sse2)
+                               $(use_enable mpi)
+                       )
+                       ;;
+
+               longdouble-*)
+                       myconf+=(
+                               --enable-long-double
+                               $(use_enable mpi)
+                       )
+                       ;;
+
+               quad-*)
+                       # quad does not support mpi
+                       myconf+=(
+                               --enable-quad-precision
+                       )
+                       ;;
+
+               *)
+                       die "${MULTIBUILD_ID%-*} precision not implemented in 
this ebuild"
+                       ;;
+       esac
+
+       ECONF_SOURCE="${S}" econf "${myconf[@]}" MPICC="$(tc-getCC -lmpi)"
+}
+
+src_configure() {
+       multibuild_foreach_variant multilib-minimal_src_configure
+}
+
+src_compile() {
+       multibuild_foreach_variant multilib-minimal_src_compile
+}
+
+multilib_src_test() {
+       emake -C tests smallcheck
+}
+
+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: $n"
+
+       multibuild_foreach_variant multilib-minimal_src_test
+}
+
+src_install() {
+       DOCS=( AUTHORS ChangeLog NEWS README TODO COPYRIGHT CONVENTIONS )
+       HTML_DOCS=( doc/html/ )
+
+       # workaround for bug #590446
+       my_abi_install() {
+               pushd "${BUILD_DIR}" >/dev/null || die
+               emake DESTDIR="${D}" install
+               popd >/dev/null || die
+       }
+       multibuild_foreach_variant multilib_foreach_abi my_abi_install
+
+       einstalldocs
+
+       if use doc; then
+               dodoc doc/*.pdf
+               docinto faq
+               dodoc -r doc/FAQ/fftw-faq.html/.
+       else
+               rm -r "${ED}"usr/share/doc/${PF}/html || die
+       fi
+
+       local x
+       for x in "${ED}"usr/lib*/pkgconfig/*.pc; do
+               local u
+               for u in $(usev mpi) $(usev threads) $(usex openmp omp ""); do
+                       sed -e "s|-lfftw3[flq]\?|&_${u} &|" "$x" > 
"${x%.pc}_${u}.pc" || die
+               done
+       done
+
+       # fftw uses pkg-config to record its private dependencies
+       find "${ED}" -name '*.la' -delete || die
+}

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