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#!/bin/sh
# Slackware build script for fftw
# Written by Kyle Guinn <elyk03@gmail.com>
PRGNAM=fftw
VERSION=3.1.2
ARCH=${ARCH:-i486}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}
set -e
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar -xzvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-s .
# According to doc/fftw3.pdf, the configure script should choose the best value
# for $CFLAGS. We will assume that the script knows what it is doing.
#
# By default we will leave out these machine-dependent optimizations. If your
# machine supports these, feel free to add them to the configure options.
# Note that fftw may refuse to compile by doing so -- watch for error messages
# about the precision not matching.
# --enable-fma enable optimizations for machines with fused multiply-add
# --enable-k7 enable AMD K7 optimizations, including 3dNow!
# --enable-sse enable SSE optimizations (Pentium III+)
# --enable-sse2 enable SSE2 optimizations (Pentium IV+)
# --enable-altivec enable Altivec optimizations (PowerPC G4+)
# --enable-portable-binary
# disable compiler optimizations that would produce
# unportable binaries
#
# You can also build fftw using a different precision. --enable-float may be
# required depending on any SIMD code enabled with the above options.
# --enable-single compile fftw in single precision
# --enable-float synonym for --enable-single
# --enable-long-double compile fftw in long-double precision
#
# Heinz Wiesinger points out that these extra precisions can be compiled
# as well. --enable-float will append an 'f' to the library names, while
# --enable-long-double will append an 'l'. We have to compile three separate
# times instead of once to create all of the files.
#
# Note that the ./configure; make; make install commands below are not inside
# a loop. You may be able to --enable one of the SIMD options for one
# precision, but not another. (This should be documented somewhere...)
# compile fftw3
CFLAGS= \
CXXFLAGS= \
FFLAGS= \
./configure \
--prefix=/usr \
--sysconfdir=/etc \
--localstatedir=/var \
--mandir=/usr/man \
--infodir=/usr/info \
--docdir=/usr/doc/fftw-$VERSION \
--enable-shared \
--disable-static \
--enable-threads
make
make install-strip DESTDIR=$PKG
# compile fftw3f
CFLAGS= \
CXXFLAGS= \
FFLAGS= \
./configure \
--prefix=/usr \
--sysconfdir=/etc \
--localstatedir=/var \
--mandir=/usr/man \
--infodir=/usr/info \
--docdir=/usr/doc/fftw-$VERSION \
--enable-shared \
--disable-static \
--enable-threads \
--enable-float
make
make install-strip DESTDIR=$PKG
# compile fftw3l
CFLAGS= \
CXXFLAGS= \
FFLAGS= \
./configure \
--prefix=/usr \
--sysconfdir=/etc \
--localstatedir=/var \
--mandir=/usr/man \
--infodir=/usr/info \
--docdir=/usr/doc/fftw-$VERSION \
--enable-shared \
--disable-static \
--enable-threads \
--enable-long-double
make
make install-strip DESTDIR=$PKG
( cd $PKG/usr/man
find . -type f -exec gzip -9 {} \;
for i in $(find . -type l) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)
rm -f $PKG/usr/info/dir
gzip -9 $PKG/usr/info/*.info*
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS CONVENTIONS COPYING COPYRIGHT ChangeLog INSTALL \
NEWS README TODO doc/html $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
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