milis/talimatname/genel/f/fftw/talimat

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# Tanım: Ayrık Fourier dönüşümü (DFT) hesaplamak için bir kütüphane.
# URL: http://www.fftw.org/
# Paketçi: milisarge
# Gerekler:
name=fftw
version=3.3.4
release=3
source=(http://www.fftw.org/$name-$version.tar.gz)
build() {
cd $SRC
cp -a $name-$version $name-$version-double
cp -a $name-$version $name-$version-long-double
mv $name-$version $name-$version-single
# 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-openmp"
# build double precision
cd $SRC/$name-$version-double
$CONFIGURE --enable-sse2 --enable-avx
make
make DESTDIR=$PKG install
# build & install long double precission
cd $SRC/$name-$version-long-double
$CONFIGURE --enable-long-double
make
make DESTDIR=$PKG install
# build & install single precision
cd $SRC/$name-$version-single
$CONFIGURE --enable-float --enable-sse --enable-avx
make
make DESTDIR=$PKG install
rm -rf $PKG/usr/share/info/dir
}