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# Contributor: William Pitcock <nenolod@dereferenced.org>
# Maintainer: William Pitcock <nenolod@dereferenced.org>
pkgname=fftw
pkgver=3.3.6p2
pkgrel=2
pkgdesc="fastest fourier transform in the west"
url="http://www.fftw.org/"
# s390x: hangs on container and KVM
arch="all !s390x"
license="GPL-2.0+"
makedepends="texinfo"
# order of the libs split functions are important because of lib naming
subpackages="$pkgname-dev $pkgname-doc $pkgname-single-libs:single
$pkgname-long-double-libs:long_double $pkgname-double-libs:double"
srcpkgver=${pkgver//p/-pl}
source="http://www.fftw.org/$pkgname-$srcpkgver.tar.gz
cycle.h.patch"
builddir="$srcdir/$pkgname-$srcpkgver"
_precision="single double long-double"
prepare() {
default_prepare
cd "$builddir"
local i; for i in $_precision; do
cp -r "$builddir" $srcdir/$i
done
}
build() {
local _openmp=
local i; for i in $_precision; do
case "$i" in
single) _cf="--enable-single";;
double) _cf="";;
long-double) _cf="--enable-long-double";;
esac
case "$i--$CARCH" in
single--x86_64 | double--x86_64)
_cf="$_cf --enable-sse2 --enable-avx";;
single--arm* | single--aarch64)
_cf="$_cf --enable-neon";;
esac
msg "Building for $i precision ($_cf)"
cd "$srcdir"/$i
./configure \
--build=$CBUILD \
--host=$CHOST \
--prefix=/usr \
--sysconfdir=/etc \
--mandir=/usr/share/man \
--infodir=/usr/share/info \
--enable-shared \
--enable-threads \
$_openmp \
$_cf
make
done
}
check() {
local i; for i in $_precision; do
cd "$srcdir"/$i
make check
done
}
package() {
local i; for i in $_precision; do
cd "$srcdir"/$i
make DESTDIR="$pkgdir" install
done
}
single() {
mkdir -p "$subpkgdir"/usr/lib
mv "$pkgdir"/usr/lib/libfftw3f*.so* \
"$subpkgdir"/usr/lib/
}
double() {
mkdir -p "$subpkgdir"/usr/lib
mv "$pkgdir"/usr/lib/libfftw3*.so* \
"$subpkgdir"/usr/lib/
}
long_double() {
mkdir -p "$subpkgdir"/usr/lib
mv "$pkgdir"/usr/lib/libfftw3l*.so* \
"$subpkgdir"/usr/lib/
}
sha512sums="e130309856752a1555b6d151c4d0ce9eb4b2c208fff7e3e89282ca8ef6104718f865cbb5e9c4af4367b3615b69b0d50fd001a26d74fd5324ff2faabe14fe3472 fftw-3.3.6-pl2.tar.gz
d71ffb0aa658f7b22239491698426f4a97e657abc953020745f7581d2937a062a279eaa5980cd7f7fe2e8425a032eafc3d4c0cffdc79a83a3aef382c988d739a cycle.h.patch"
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