#!/bin/sh

# Slackware build script for Open MPI

# Written by Aleksandar B. Samardzic (<asamardzic@matf.bg.ac.yu>)

set -e

PRGNAM=openmpi
VERSION=1.2.3
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

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

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

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --sysconfdir=/etc \
  --localstatedir=/var

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

( 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
)

# Let's not clobber config files
mv $PKG/etc/openmpi-totalview.tcl $PKG/etc/openmpi-totalview.tcl.new
mv $PKG/etc/openmpi-mca-params.conf $PKG/etc/openmpi-mca-params.conf.new
mv $PKG/etc/openmpi-default-hostfile $PKG/etc/openmpi-default-hostfile.new

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS INSTALL LICENSE NEWS README VERSION examples \
  $PKG/usr/doc/$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