#!/bin/sh

# Slackware build script for octave
# Written by Kyle Guinn <elyk03@gmail.com>
# HDF5 support by Aleksandar Samardzic <asamardzic@matf.bg.ac.yu>

PRGNAM="octave"
VERSION="3.0.1"
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM-$VERSION
OUTPUT=${OUTPUT:-/tmp}

DOCS="BUGS COPYING ChangeLog* INSTALL* NEWS* PROJECTS README* ROADMAP SENDING-PATCHES THANKS"

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
cd $PRGNAM-$VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-st .

# The HDF5 API changed between versions 1.6.x and 1.8.x.  Octave
# currently uses the 1.6.x API, so a compatibility flag is necessary.
CPPFLAGS="-DH5_USE_16_API" \
CFLAGS="$SLKCFLAGS -fno-strict-aliasing" \
CXXFLAGS="$SLKCFLAGS -fno-strict-aliasing" \
FFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --infodir=/usr/info \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-shared \
  --disable-static \
  --enable-picky-flags \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

( cd $PKG 
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : \
    | xargs strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : \
    | xargs strip --strip-unneeded 2> /dev/null || true
)

( 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 $DOCS $PKG/usr/doc/$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
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -p -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz