#!/bin/bash

# fftw.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Slackware build script for fftw
# Written by Kyle Guinn <elyk03@gmail.com>

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
export CWD=$SLACKSOURCE/$PKGSERIES/$PKGNAM
export PORTCWD=$PWD

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Determine the CFLAGS for the known architectures:
case $ARCH in
   arm)     export SLKCFLAGS="-O2 -march=armv5te"
            export SIMD=""
            export LIBDIRSUFFIX="" ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.?z*
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# Apply patches:
sed -i "s|-mtune=native|$SLKCFLAGS|" configure

echo "****************************"
echo "**** Building libfftw3 **** "
echo "****************************"
./configure \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --mandir=/usr/man \
    --infodir=/usr/info \
    --docdir=/usr/doc/fftw-$VERSION \
    --enable-shared \
    --disable-static \
    --enable-threads \
    --enable-openmp \
    $SIMD \
    --build=$ARCH-slackware-linux-gnueabi || failconfig
make $NUMJOBS || make || failmake
make install-strip DESTDIR=$PKG || exit 1
make clean

echo "****************************"
echo "**** Building libfftw3f **** "
echo "****************************"
./configure \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --mandir=/usr/man \
    --infodir=/usr/info \
    --docdir=/usr/doc/fftw-$VERSION \
    --enable-shared \
    --disable-static \
    --enable-threads \
    --enable-openmp \
    --enable-float \
    $SIMD \
   --build=$ARCH-slackware-linux-gnueabi || failconfig
make $NUMJOBS || make || exit 1
make install-strip DESTDIR=$PKG || exit 1
make clean

echo "****************************"
echo "**** Building libfftw3l **** "
echo "****************************"
./configure \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --mandir=/usr/man \
    --infodir=/usr/info \
    --docdir=/usr/doc/fftw-$VERSION \
    --enable-shared \
    --disable-static \
    --enable-threads \
    --enable-openmp \
    --enable-long-double \
    --build=$ARCH-slackware-linux-gnueabi || failconfig
make $NUMJOBS || make || exit 1
make install-strip DESTDIR=$PKG || exit 1
make clean

#
# Not for ARM, as we don't have the quadmath library in gcc.
#    --enable-quad-precision \
#
echo "****************************"
echo "**** Building libfftw3q **** "
echo "****************************"
./configure \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --mandir=/usr/man \
    --infodir=/usr/info \
    --docdir=/usr/doc/fftw-$VERSION \
    --enable-shared \
    --disable-static \
    --enable-threads \
    --enable-openmp \
    --build=$ARCH-slackware-linux-gnueabi || failconfig
make $NUMJOBS || make || exit 1
make install-strip DESTDIR=$PKG || exit 1

# Add documentation:
mkdir -vpm755 $PKG/usr/doc/$PKGNAM-$VERSION
cp -fav \
  AUTHORS CONVENTIONS COPY* INSTALL NEWS README* TODO doc/html \

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh

# Replace version number with a _ so it doesn't get confused with
# the package name.
export VERSION="$( echo $VERSION | sed 's?-?_?g' )"
export SLACKPACKAGE=$PKGNAM-$VERSION-$ARCH-$BUILD.tgz

slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links