#!/bin/sh
# Create the Slackware gnuplot package
CWD=`pwd`
TMP=${TMP:-/tmp}
if [ ! -d $TMP ]; then
  mkdir -p $TMP
fi
PKG=$TMP/package-gnuplot

VERSION=4.2.0
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
fi

rm -rf $PKG
mkdir -p $PKG
cd $TMP
rm -rf gnuplot-$VERSION
tar xjvf $CWD/gnuplot-$VERSION.tar.bz2 || exit 1
cd gnuplot-$VERSION

chown -R root:root .
find . -perm 664 -exec chmod 644 {} \;
find . -perm 600 -exec chmod 644 {} \;
find . -perm 444 -exec chmod 644 {} \;
find . -perm 400 -exec chmod 644 {} \;
find . -perm 440 -exec chmod 644 {} \;
find . -perm 777 -exec chmod 755 {} \;
find . -perm 775 -exec chmod 755 {} \;
find . -perm 511 -exec chmod 755 {} \;
find . -perm 711 -exec chmod 755 {} \;
find . -perm 555 -exec chmod 755 {} \;

# To distribute gnuplot binaries, you can not use GNU readline, as
# gnuplot does not use a GPL compatible free license.
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --with-png \
  --with-gd \
  --datadir=/usr/share/gnuplot \
  --with-readline=builtin

make -j5 || exit 1
make install DESTDIR=$PKG || exit 1

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

# Compress and if needed symlink the man pages:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

# Compress info pages and purge "dir" file from the package:
if [ -d $PKG/usr/info ]; then
  ( cd $PKG/usr/info
    rm -f dir
    gzip -9 *
  )
fi

mkdir -p $PKG/usr/doc/gnuplot-$VERSION
cp -a \
  BUGS CodeStyle Copyright FAQ INSTALL NEWS PATCHLEVEL PGPKEYS PORTING README README.1ST README.exp TODO VERSION \
  $PKG/usr/doc/gnuplot-$VERSION
cp -a demo $PKG/usr/doc/gnuplot-$VERSION
rm -f $PKG/usr/doc/gnuplot-$VERSION/demo/Make*

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Make the package:
cd $PKG
makepkg -l y -c n $TMP/gnuplot-$VERSION-$ARCH-$BUILD.tgz