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# Maintainer: Gonzalo Exequiel Pedone <hipersayan DOT x AT gmail DOT com>
# Contributor: David Runge <dvzrv@archlinux.org>
# Contributor: Ronald van Haren <ronald.archlinux.org>
# Contributor: David Runge <dvzrv@archlinux.org>
# Contributor: damir <damir@archlinux.org>
_android_arch=armv7a-eabi
pkgbase=android-${_android_arch}-fftw
pkgname=("android-${_android_arch}-fftw"
"android-${_android_arch}-fftw-openmpi")
pkgver=3.3.10
pkgrel=1
arch=('any')
pkgdesc="A library for computing the discrete Fourier transform (DFT) (Android ${_android_arch})"
url="http://www.fftw.org/"
license=('GPL-2.0-or-later')
makedepends=('android-cmake'
"android-${_android_arch}-openmpi")
options=(!strip !buildflags staticlibs !emptydirs)
source=("http://www.fftw.org/fftw-$pkgver.tar.gz")
md5sums=('8ccbf6a5ea78a16dbc3e1306e234cc5c')
_build_types=(single double long-double)
# Android's clang does not support quad precision
# _build_types+=(quad)
_soname=3.6.10
_pick() {
local p="$1" f d; shift
for f; do
d="$srcdir/$p/${f#$pkgdir/}"
mkdir -p "$(dirname "$d")"
mv "$f" "$d"
rmdir -p --ignore-fail-on-non-empty "$(dirname "$f")"
done
}
prepare() {
cd "${srcdir}/fftw-${pkgver}"
# fix wrong soname in FFTW3LibraryDepends.cmake
sed -i "s/3.6.9/$_soname/g" CMakeLists.txt
}
build() {
cd "${srcdir}/fftw-${pkgver}"
source android-env ${_android_arch}
cmake_options=
if [ "${_android_arch}" = x86* ]; then
cmake_options="-DENABLE_AVX=ON -DENABLE_AVX2=ON -DENABLE_SSE=ON -DENABLE_SSE2=ON"
fi
# create missing FFTW3LibraryDepends.cmake
# https://bugs.archlinux.org/task/67604
android-${_android_arch}-cmake \
-S . \
-B build \
-DBUILD_TESTS=OFF \
-DDISABLE_FORTRAN=ON \
-DENABLE_OPENMP=ON \
-DENABLE_THREADS=ON \
-DENABLE_FLOAT=ON \
-DENABLE_LONG_DOUBLE=ON \
-DENABLE_QUAD_PRECISION=ON \
${cmake_options}
# fix broken IMPORTED_LOCATION: https://github.com/FFTW/fftw3/issues/130#issuecomment-1030280157
sed -i "s|\(IMPORTED_LOCATION_NONE\).*|\1 \"${ANDROID_PREFIX_LIB}/libfftw3.so.3\"|g" build/FFTW3LibraryDepends.cmake
export MPICC=${CC}
# use upstream default CFLAGS while keeping our -march/-mtune
export CFLAGS="${CFLAGS} -O3 -fomit-frame-pointer -malign-double -fstrict-aliasing -ffast-math"
for precision in "${_build_types[@]}"; do
mkdir -p build-${precision} && pushd build-${precision}
configure_options=
case $precision in
single)
configure_options='--enable-single'
case "${_android_arch}" in
x86*)
configure_options="${configure_options} --enable-avx --enable-sse"
;;
*)
configure_options="${configure_options} --enable-neon"
;;
esac
;;
double)
if [ "${_android_arch}" = x86* ]; then
configure_options="${configure_options} --enable-avx --enable-sse2"
fi
;;
long-double)
configure_options="${configure_options} --enable-long-double"
;;
quad)
configure_options="${configure_options} --disable-mpi --enable-quad-precision"
;;
esac
case "${_android_arch}" in
aarch64)
configure_options="${configure_options} --enable-armv8-cntvct-el0 --enable-armv8-pmccntr-el0"
;;
armv7a-eabi)
configure_options="${configure_options} --enable-armv7a-pmccntr"
# configure_options="${configure_options} --enable-armv7a-cntvct"
;;
*)
;;
esac
target=${_android_arch/x86-/x86_}-linux-android
../configure \
--host=${target} \
--target=${target} \
--build=${CHOST} \
--prefix=${ANDROID_PREFIX} \
--libdir=${ANDROID_PREFIX_LIB} \
--includedir=${ANDROID_PREFIX_INCLUDE} \
--enable-shared \
--enable-static \
--disable-doc \
--disable-fortran \
--enable-threads \
--enable-mpi \
--enable-openmp \
MPILIBS="-Wl,-rpath -Wl,${ANDROID_PREFIX_LIB} -Wl,--enable-new-dtags -lmpi" \
${configure_options}
# fix overlinking because of libtool
sed -i 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool
make $MAKEFLAGS
popd
done
}
package_android-armv7a-eabi-fftw() {
depends=('android-ndk')
optdepends=("android-${_android_arch}-fftw-openmpi: for OpenMPI integration")
cd "${srcdir}/fftw-${pkgver}"
source android-env ${_android_arch}
for precision in "${_build_types[@]}"; do
make -C build-${precision} DESTDIR="$pkgdir" install
done
rm -rf "${pkgdir}/${ANDROID_PREFIX_BIN}"
rm -rf "${pkgdir}/${ANDROID_PREFIX_SHARE}"
${ANDROID_STRIP} -g --strip-unneeded "${pkgdir}"/${ANDROID_PREFIX_LIB}/*.so
${ANDROID_STRIP} -g "$pkgdir"/${ANDROID_PREFIX_LIB}/*.a
_pick fftw-openmpi "${pkgdir}/${ANDROID_PREFIX_INCLUDE}"/fftw3-mpi.h
_pick fftw-openmpi "${pkgdir}/${ANDROID_PREFIX_INCLUDE}"/fftw3{,l}-mpi.f03
_pick fftw-openmpi "${pkgdir}/${ANDROID_PREFIX_LIB}"/libfftw3{,f,l}_mpi.{a,so}
# install missing FFTW3LibraryDepends.cmake
install -vDm 644 build/FFTW3LibraryDepends.cmake -t "${pkgdir}/${ANDROID_PREFIX_LIB}/cmake/fftw3/"
}
package_android-armv7a-eabi-fftw-openmpi() {
pkgdesc+=" - OpenMPI libraries (Android ${_android_arch})"
depends=("android-${_android_arch}-fftw"
"android-${_android_arch}-openmpi")
mv -v "${srcdir}/fftw-openmpi"/* "${pkgdir}"
}
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