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| 1 | +# Copyright 1999-2020 Gentoo Authors |
| 2 | +# Distributed under the terms of the GNU General Public License v2 |
| 3 | + |
| 4 | +EAPI=6 |
| 5 | + |
| 6 | +FORTRAN_NEEDED=fortran |
| 7 | + |
| 8 | +inherit flag-o-matic fortran-2 multibuild multilib-minimal toolchain-funcs |
| 9 | + |
| 10 | +DESCRIPTION="Fast C library for the Discrete Fourier Transform" |
| 11 | +HOMEPAGE="http://www.fftw.org/" |
| 12 | + |
| 13 | +MY_P=${PN}-${PV/_p/-pl} |
| 14 | + |
| 15 | +if [[ ${PV} = *9999 ]]; then |
| 16 | + inherit autotools git-r3 |
| 17 | + EGIT_REPO_URI="https://github.com/FFTW/fftw3.git" |
| 18 | +else |
| 19 | + SRC_URI="http://www.fftw.org/${PN}-${PV/_p/-pl}.tar.gz" |
| 20 | + KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos" |
| 21 | +fi |
| 22 | + |
| 23 | +LICENSE="GPL-2+" |
| 24 | +SLOT="3.0/3" |
| 25 | +IUSE="altivec cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_fma3 cpu_flags_x86_fma4 cpu_flags_x86_sse cpu_flags_x86_sse2 doc fortran mpi neon openmp quad static-libs test threads zbus" |
| 26 | +RESTRICT="!test? ( test )" |
| 27 | + |
| 28 | +RDEPEND=" |
| 29 | + mpi? ( >=virtual/mpi-2.0-r4[${MULTILIB_USEDEP}] )" |
| 30 | +DEPEND="${RDEPEND} |
| 31 | + quad? ( sys-devel/gcc[fortran] ) |
| 32 | + test? ( dev-lang/perl )" |
| 33 | + |
| 34 | +S=${WORKDIR}/${MY_P} |
| 35 | +HTML_DOCS=( doc/html/. ) |
| 36 | + |
| 37 | +pkg_pretend() { |
| 38 | + [[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp |
| 39 | +} |
| 40 | + |
| 41 | +pkg_setup() { |
| 42 | + if [[ ${MERGE_TYPE} != binary ]] && use openmp; then |
| 43 | + tc-check-openmp |
| 44 | + FORTRAN_NEED_OPENMP=1 |
| 45 | + fi |
| 46 | + |
| 47 | + fortran-2_pkg_setup |
| 48 | + |
| 49 | + MULTIBUILD_VARIANTS=( single double longdouble ) |
| 50 | + if use quad; then |
| 51 | + if ! tc-is-gcc; then |
| 52 | + ewarn "quad precision only available for gcc >= 4.6" |
| 53 | + die "need quad precision capable gcc" |
| 54 | + fi |
| 55 | + MULTIBUILD_VARIANTS+=( quad ) |
| 56 | + fi |
| 57 | +} |
| 58 | + |
| 59 | +src_prepare() { |
| 60 | + default |
| 61 | + |
| 62 | + # fix info file for category directory |
| 63 | + if [[ ${PV} = *9999 ]]; then |
| 64 | + sed -i -e |
| 65 | + 's/Texinfo documentation system/Libraries/' \ |
| 66 | + doc/fftw3."info" || die "failed to fix info file" |
| 67 | + |
| 68 | + eautoreconf |
| 69 | + fi |
| 70 | +} |
| 71 | + |
| 72 | +multilib_src_configure() { |
| 73 | + # jlec reported USE=quad on abi_x86_32 has too few registers |
| 74 | + # stub Makefiles |
| 75 | + if [[ ${MULTILIB_ABI_FLAG} == abi_x86_32 && ${MULTIBUILD_ID} == quad-* ]]; then |
| 76 | + mkdir -p "${BUILD_DIR}/tests" || die |
| 77 | + echo "all: ;" > "${BUILD_DIR}/Makefile" || die |
| 78 | + echo "install: ;" >> "${BUILD_DIR}/Makefile" || die |
| 79 | + echo "smallcheck: ;" > "${BUILD_DIR}/tests/Makefile" || die |
| 80 | + return 0 |
| 81 | + fi |
| 82 | + |
| 83 | + local myconf=( |
| 84 | + --enable-shared |
| 85 | + $(use_enable static-libs static) |
| 86 | + $(use_enable "cpu_flags_x86_fma$(usex cpu_flags_x86_fma3 3 4)" fma) |
| 87 | + $(use_enable fortran) |
| 88 | + $(use_enable zbus mips-zbus-timer) |
| 89 | + $(use_enable threads) |
| 90 | + $(use_enable openmp) |
| 91 | + ) |
| 92 | + case "${MULTIBUILD_ID}" in |
| 93 | + single-*) |
| 94 | + # altivec, sse, single-paired only work for single |
| 95 | + myconf+=( |
| 96 | + --enable-single |
| 97 | + $(use_enable altivec) |
| 98 | + $(use_enable cpu_flags_x86_avx avx) |
| 99 | + $(use_enable cpu_flags_x86_avx2 avx2) |
| 100 | + $(use_enable cpu_flags_x86_sse sse) |
| 101 | + $(use_enable cpu_flags_x86_sse2 sse2) |
| 102 | + $(use_enable neon) |
| 103 | + $(use_enable mpi) |
| 104 | + ) |
| 105 | + ;; |
| 106 | + |
| 107 | + double-*) |
| 108 | + myconf+=( |
| 109 | + $(use_enable cpu_flags_x86_avx avx) |
| 110 | + $(use_enable cpu_flags_x86_avx2 avx2) |
| 111 | + $(use_enable cpu_flags_x86_sse2 sse2) |
| 112 | + $(use_enable mpi) |
| 113 | + ) |
| 114 | + ;; |
| 115 | + |
| 116 | + longdouble-*) |
| 117 | + myconf+=( |
| 118 | + --enable-long-double |
| 119 | + $(use_enable mpi) |
| 120 | + ) |
| 121 | + ;; |
| 122 | + |
| 123 | + quad-*) |
| 124 | + # quad does not support mpi |
| 125 | + myconf+=( |
| 126 | + --enable-quad-precision |
| 127 | + ) |
| 128 | + ;; |
| 129 | + |
| 130 | + *) |
| 131 | + die "${MULTIBUILD_ID%-*} precision not implemented in this ebuild" |
| 132 | + ;; |
| 133 | + esac |
| 134 | + |
| 135 | + ECONF_SOURCE="${S}" econf "${myconf[@]}" MPICC="$(tc-getCC)" |
| 136 | +} |
| 137 | + |
| 138 | +src_configure() { |
| 139 | + multibuild_foreach_variant multilib-minimal_src_configure |
| 140 | +} |
| 141 | + |
| 142 | +src_compile() { |
| 143 | + multibuild_foreach_variant multilib-minimal_src_compile |
| 144 | +} |
| 145 | + |
| 146 | +multilib_src_test() { |
| 147 | + emake -C tests smallcheck |
| 148 | +} |
| 149 | + |
| 150 | +src_test() { |
| 151 | + # We want this to be a reasonably quick test, but that is still hard... |
| 152 | + ewarn "This test series will take 30 minutes on a modern 2.5Ghz machine" |
| 153 | + # Do not increase the number of threads, it will not help your performance |
| 154 | + # local testbase="perl check.pl --nthreads=1 --estimate" |
| 155 | + # ${testbase} -${p}d || die "Failure: $n" |
| 156 | + |
| 157 | + multibuild_foreach_variant multilib-minimal_src_test |
| 158 | +} |
| 159 | + |
| 160 | +src_install() { |
| 161 | + multibuild_foreach_variant multilib-minimal_src_install |
| 162 | + dodoc CONVENTIONS |
| 163 | + |
| 164 | + if use doc; then |
| 165 | + dodoc doc/*.pdf |
| 166 | + docinto faq |
| 167 | + dodoc -r doc/FAQ/fftw-faq.html/. |
| 168 | + else |
| 169 | + rm -r "${ED%/}"/usr/share/doc/${PF}/html || die |
| 170 | + fi |
| 171 | + |
| 172 | + local x |
| 173 | + for x in "${ED%/}"/usr/lib*/pkgconfig/*.pc; do |
| 174 | + local u |
| 175 | + for u in $(usev mpi) $(usev threads) $(usex openmp omp ""); do |
| 176 | + sed -e "s|-lfftw3[flq]\?|&_${u} &|" "$x" > "${x%.pc}_${u}.pc" || die |
| 177 | + done |
| 178 | + done |
| 179 | + |
| 180 | + # fftw uses pkg-config to record its private dependencies |
| 181 | + find "${D}" -name '*.la' -delete || die |
| 182 | +} |
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