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# Contributor:
# Maintainer:
pkgname=fftw
pkgver=3.3.8
pkgrel=0
pkgdesc="Discrete Fourier transform (DFT) library"
url="http://www.fftw.org"
arch="all"
license="GPL-2.0-or-later"
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="ab918b742a7c7dcb56390a0a0014f517a6dff9a2e4b4591060deeb2c652bf3c6868aa74559a422a276b853289b4b701bdcbd3d4d8c08943acf29167a7be81a38 fftw-3.3.8.tar.gz
7da269fc43dabd02ae6fad2ebad92b07e06825b6b7c6f8987fc6444f02e0d55080db4ba6e401760e071f5c33015faf8c710f643636cab7a79bdf1af5d434dbb4 cycle.h.patch"
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