libraries/fftw: Updated for version 3.2.1

libraries/fftw/README

@@ -4,5 +4,12 @@ symmetric, and parallel transforms, and can handle arbitrary array sizes
 efficiently.  FFTW is typically faster than other publically-available FFT
 implementations, and is even competitive with vendor-tuned libraries.
 
-There are several machine-dependent optimizations that can be enabled in order
+By default non-portable binaries will be created. If you need to create
-to generate SIMD code; take a look in fftw.SlackBuild to enable them.
+a package that is shared among various machines, pass PORTABLE=yes to the
+script.
+
+To enable SSE or SSE2 SIMD optimizations pass SSE=yes or SSE2=yes respectively
+to the script. Enabling these will still create a portable package as fftw falls
+back to the standard code, if the optimized one isn't supported on the cpu.
+However, to be able to build them your cpu has to actually support those
+extensions.

libraries/fftw/fftw.SlackBuild

@@ -3,35 +3,60 @@
 # Slackware build script for fftw
 # Written by Kyle Guinn <elyk03@gmail.com>
 
-PRGNAM="fftw"
+PRGNAM=fftw
-VERSION=${VERSION:-"3.2.1"}
+VERSION=${VERSION:-3.2.1}
-ARCH=${ARCH:-"i486"}
+ARCH=${ARCH:-i486}
-BUILD=${BUILD:-"1"}
+BUILD=${BUILD:-2}
-TAG=${TAG:-"_SBo"}
+TAG=${TAG:-_SBo}
 
 CWD=$(pwd)
-TMP=${TMP:-"/tmp/SBo"}
+TMP=${TMP:-/tmp/SBo}
-PKG="$TMP/package-$PRGNAM-$VERSION"
+PKG=$TMP/package-$PRGNAM-$VERSION
-OUTPUT=${OUTPUT:-"/tmp"}
+OUTPUT=${OUTPUT:-/tmp}
 
 DOCS="AUTHORS CONVENTIONS COPY* ChangeLog INSTALL NEWS README* TODO doc/html"
 
+if [ "$ARCH" = "i486" ]; then
+  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+fi
+
+if [ "${PORTABLE:-no}" = "no" ]; then
     # According to doc/fftw3.pdf the configure script should choose the best
     # value for $CFLAGS.  These variables must be unset so that the configure
     # script will decide.
+
+    # If you are interested in further optimizations such as alternative
+    # multithreading and support for other processors, check this page for
+    # details:
+    # http://www.fftw.org/fftw3_doc/Installation-on-Unix.html
     unset CFLAGS
     unset CXXFLAGS
     unset FFLAGS
     PKGARCH="custom"
-
+    do_portable=""
-if [ "$ARCH" = "i486" ]; then
+else
-  LIBDIRSUFFIX=""
+    PKGARCH=$ARCH
-elif [ "$ARCH" = "i686" ]; then
+    do_portable="--enable-portable-binary"
-  LIBDIRSUFFIX=""
-elif [ "$ARCH" = "x86_64" ]; then
-  LIBDIRSUFFIX="64"
 fi
 
+if [ "${SSE:-no}" = "no" ]; then
+    do_sse=""
+else
+    do_sse="--enable-sse"
+fi
+
+if [ "${SSE2:-no}" = "no" ]; then
+    do_sse2=""
+else
+    do_sse2="--enable-sse2"
+fi
 
 set -e
 
@@ -44,30 +69,6 @@ cd $PRGNAM-$VERSION
 chown -R root:root .
 chmod -R u+w,go+r-w,a-st .
 
-# By default this script leaves 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.  See the link below.
-#
-# --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
-#
-# Compiling with the default options creates a double-precision library
-# named libfftw3.  --enable-float or --enable-single builds a single
-# precision library (libfftw3f), and --enable-long-double builds a
-# long-double precision library (libfftw3l).  This script builds all three
-# libraries since they can coexist on the same machine.
-#
-# You may be able to --enable one of the SIMD options when compiling for
-# one precision, but not for another.  Check this page for details:
-# http://www.fftw.org/fftw3_doc/Installation-on-Unix.html
-
 # compile libfftw3
 ./configure \
     --prefix=/usr \
@@ -79,7 +80,9 @@ chmod -R u+w,go+r-w,a-st .
     --docdir=/usr/doc/fftw-$VERSION \
     --enable-shared \
     --disable-static \
-	--enable-threads
+    --enable-threads \
+    $do_sse2 \
+    $do_portable
 make
 make install-strip DESTDIR=$PKG
 
@@ -95,7 +98,9 @@ make install-strip DESTDIR=$PKG
     --enable-shared \
     --disable-static \
     --enable-threads \
-	--enable-float
+    --enable-float \
+    $do_sse \
+    $do_portable
 make
 make install-strip DESTDIR=$PKG
 
@@ -111,7 +116,8 @@ make install-strip DESTDIR=$PKG
     --enable-shared \
     --disable-static \
     --enable-threads \
-	--enable-long-double
+    --enable-long-double \
+    $do_portable
 make
 make install-strip DESTDIR=$PKG
 
@@ -134,4 +140,4 @@ mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
 
 cd $PKG
-/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$PKGARCH-$BUILD$TAG.tgz
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$PKGARCH-$BUILD$TAG.${PKGTYPE:-tgz}

libraries/fftw/fftw.info

@@ -2,7 +2,9 @@ PRGNAM="fftw"
 VERSION="3.2.1"
 HOMEPAGE="http://www.fftw.org/"
 DOWNLOAD="ftp://ftp.fftw.org/pub/fftw/fftw-3.2.1.tar.gz"
+DOWNLOAD_x86_64=""
 MD5SUM="712d3f33625a0a76f5758648d4b925f7"
+MD5SUM_x86_64=""
 MAINTAINER="Kyle Guinn"
 EMAIL="elyk03@gmail.com"
-APPROVED="rworkman"
+APPROVED="dsomero"