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# Maintainer: Entshuld <edgar at 0penm4il dot cc>
# Contributor: Denis Gagnon <gagnon88 at gm41l dot com>, Ashwin Vishnu <ashwinvis+arch at pr0t0nm4il dot com>
realname=fftw
pkgname=${realname}-mpi
pkgver=3.3.9
pkgrel=1
pkgdesc="A library for computing the discrete Fourier transform (DFT), compiled with MPI and OpenMP support: header files, static and shared libraries"
arch=('i686' 'x86_64')
license=('GPL2')
url="http://www.fftw.org/"
depends=('glibc' 'bash' 'openmpi' 'gcc-libs')
conflicts=('fftw')
makedepends=('gcc-fortran')
provides=("$realname" # 'libfftw3q_threads.so' 'libfftw3q_omp.so' 'libfftw3q.so'
'libfftw3l_threads.so' 'libfftw3l_omp.so' 'libfftw3l_mpi.so' 'libfftw3l.so'
'libfftw3f_threads.so' 'libfftw3f_omp.so' 'libfftw3f_mpi.so' 'libfftw3f.so'
'libfftw3_threads.so' 'libfftw3_omp.so' 'libfftw3_mpi.so' 'libfftw3.so')
source=("http://www.fftw.org/fftw-${pkgver}.tar.gz")
sha512sums=('52ebc2a33063a41fd478f6ea2acbf3b511867f736591d273dd57f9dfca5d3e0b0c73157921b3a36f1a7cfd741a8a6bde0fd80de578040ae730ea168b5ba466cf')
options=('staticlibs')
install=fftw.install
# notes:
# http://www.fftw.org/fftw2_doc/fftw_6.html#SEC69
# http://www.fftw.org/faq/section2.html#singleprec
# http://www.fftw.org/fftw3_doc/Precision.html#Precision
# use upstream default CFLAGS while keeping our -march/-mtune
CFLAGS+=" -O3 -fPIC -fomit-frame-pointer -malign-double -fstrict-aliasing -ffast-math"
prepare() {
# issue with ocaml-num
# mv -v "fftw3-${realname}-${pkgver}" "${realname}-${pkgver}"
# (
# cd "$realname-$pkgver"
# cp -v NEWS ChangeLog
# autoreconf -vfi
# )
printf "INFO: copying ${realname}-${pkgver} into -dobule -long and -single directories ..."
cp -a "${realname}-${pkgver}" "${realname}-${pkgver}-double"
cp -a "${realname}-${pkgver}" "${realname}-${pkgver}-long-double"
# Quad and MPI don't play along
# cp -a "${realname}-${pkgver}" "${realname}-${pkgver}-quad"
mv fftw-${pkgver} fftw-${pkgver}-single
printf " done\n"
}
build() {
CONFIGURE="./configure F77=gfortran --prefix=/usr --enable-shared --enable-threads --enable-mpi --enable-openmp"
# build double precision
(
cd "${realname}-${pkgver}-double"
$CONFIGURE --enable-sse2 --enable-avx
)
# build & install long double precission
(
cd "${realname}-${pkgver}-long-double"
$CONFIGURE --enable-long-double
)
# Quad and MPI don't play along
# # build & install quad precission
# (
# cd "${realname}-${pkgver}-quad"
# $CONFIGURE --enable-quad-precision
# )
# build & install single precision
(
cd "${realname}-${pkgver}-single"
$CONFIGURE --enable-float --enable-sse --enable-avx --enable-single
)
make -C "${realname}-${pkgver}-single"
make -C "${realname}-${pkgver}-double"
make -C "${realname}-${pkgver}-long-double"
# make -C "${realname}-${pkgver}-quad"
}
package() {
make DESTDIR=${pkgdir} install -C "${realname}-${pkgver}-single"
make DESTDIR=${pkgdir} install -C "${realname}-${pkgver}-long-double"
make DESTDIR=${pkgdir} install -C "${realname}-${pkgver}-double"
# Quad and MPI don't play along
# make DESTDIR=${pkgdir} install -C "${realname}-${pkgver}-quad"
install -vDm 644 "${srcdir}/fftw-${pkgver}-single"/{AUTHORS,ChangeLog,NEWS,README,TODO} \
-t "${pkgdir}/usr/share/doc/${pkgname}"
}
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