PKGBUILDs/extra/fftw/PKGBUILD

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# $Id: PKGBUILD 136896 2011-09-02 17:27:59Z ronald $
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# Maintainer: Ronald van Haren <ronald.archlinux.org>
# Contributor: damir <damir@archlinux.org>
2011-08-01 22:30:01 +00:00
# ALARM: Kevin Mihelich <kevin@plugapps.com>
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# - removed -malign-double from CFLAGS
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# - removed --enable-sse2 from double precision
# - removed --enable-sse from single precision
plugrel=1
pkgname=fftw
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pkgver=3.3
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pkgrel=2
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pkgdesc="A library for computing the discrete Fourier transform (DFT)"
arch=('i686' 'x86_64')
license=('GPL2')
url="http://www.fftw.org/"
depends=('glibc' 'bash')
makedepends=('gcc-fortran')
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options=('!libtool')
source=("http://www.fftw.org/${pkgname}-${pkgver}.tar.gz")
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install=fftw.install
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sha1sums=('e44493ba4babeacba184568e727876d9aed44205')
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# 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
build() {
cd ${srcdir}/${pkgname}-${pkgver}
# use upstream default CFLAGS while keeping our -march/-mtune
CFLAGS+=" -O3 -fomit-frame-pointer -fstrict-aliasing -ffast-math"
CONFIGURE="./configure F77=gfortran --prefix=/usr \
--enable-shared --enable-threads"
# build & install double precision
$CONFIGURE
make
make DESTDIR=${pkgdir} install
make clean
# build & install long double precission
$CONFIGURE --enable-long-double
make
make DESTDIR=${pkgdir} install
make clean
# build & install single precision
$CONFIGURE --enable-float
make
make DESTDIR=${pkgdir} install
}