#!/bin/sh
# Set initial variables:
CWD=`pwd`
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi
PKG=$TMP/package-bc
INFO=$PKG/usr/info

if [ ! -d $TMP ]; then
  mkdir -p $TMP # location to build the source
fi
if [ ! -d $PKG ]; then
  mkdir -p $PKG # place for the package to be built
fi

VERSION=1.06
ARCH=${ARCH:-i386}
BUILD=2

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mcpu=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "alpha" ]; then
  SLKCFLAGS="-O2 -mcpu=ev4"
fi

# Explode the package framework:
cd $PKG
explodepkg $CWD/_bc.tar.gz

echo "+=========+"
echo "| bc-$VERSION |"
echo "+=========+"
cd $TMP
tar xzvf $CWD/bc-$VERSION.tar.gz
cd bc-$VERSION
zcat $CWD/bc-$VERSION.readline.diff.gz | patch -p1 --verbose --backup --suffix=.orig
CFLAGS=$SLKCFLAGS ./configure --prefix=/usr --with-readline
make
strip bc/bc dc/dc
cat bc/bc > $PKG/usr/bin/bc
cat dc/dc > $PKG/usr/bin/dc
cd doc
for page in bc.1 dc.1 ; do
  cat $page | gzip -9c > $PKG/usr/man/man1/$page.gz
done
mkdir -p $INFO
cat dc.info | gzip -9c > $INFO/dc.info.gz
cd ..
mkdir -p $PKG/usr/doc/bc-$VERSION
cp -a AUTHORS COPYING ChangeLog Examples INSTALL NEWS README Test \
  $PKG/usr/doc/bc-$VERSION
chown -R root.root $PKG/usr/doc/bc-$VERSION
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

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

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  cd $CWD
  rm -rf $TMP/bc-$VERSION
  rm -rf $PKG
fi