# $Id: PKGBUILD 159277 2012-05-20 10:35:50Z ronald $ # Maintainer: Ronald van Haren <ronald.archlinux.org> # Contributor: damir <damir@archlinux.org> pkgname=fftw pkgver=3.3.2 pkgrel=1 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') options=('!libtool') source=("http://www.fftw.org/${pkgname}-${pkgver}.tar.gz") install=fftw.install sha1sums=('11a8c31186ff5a7d686a79a3f21b2530888e0dc2') # 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 -malign-double -fstrict-aliasing -ffast-math" CONFIGURE="./configure F77=gfortran --prefix=/usr \ --enable-shared --enable-threads --enable-type-prefix" # build & install double precision $CONFIGURE --enable-sse2 make make DESTDIR=${pkgdir} install make clean # build & install long double precission $CONFIGURE --enable-long-double make make DESTDIR=${pkgdir} install make clean # build & install single precision $CONFIGURE --enable-float --enable-sse make make DESTDIR=${pkgdir} install }