#!/bin/sh

## Written by halflife (vzdorovenco@yahoo.com)

## Feel free to use, modify, redistribute this script.
## If you make changes please modify the "Written by"
## so that I don't recieve emails about a script I
## did not write. Thanks.

# Modified by Robby Workman 20071027
# I won't change the "Written by" line, because I didn't
# change who wrote the script.  If there are questions as
# to whether my changes caused a problem, feel free to 
# send mail to me first.

# Package adaptation in order to rename it from otp-R11B
# to erlang-otp, by LukenShiro <Lukenshiro@ngi.it>

PRGNAM=erlang-otp
VERSION=14B02
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

SRC_NAME_VERSION=otp_src_R${VERSION}
DOC_NAME_VERSION=otp_doc_man_R${VERSION}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRC_NAME_VERSION
tar xvf $CWD/${SRC_NAME_VERSION}.tar.gz
cd $SRC_NAME_VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --build=$ARCH-slackware-linux

INSTALL_DV="install: install.dirs install.emulator install.libs"
sed -i -e "s|$INSTALL_DV install.Install install.bin|$INSTALL_DV|" Makefile

make
make INSTALL_PREFIX=$PKG install

cd $PKG/usr/bin
  for file in erl erlc epmd run_erl to_erl dialyzer typer escript ; do
    rm -f $file
    ln -s ../lib${LIBDIRSUFFIX}/erlang/bin/$file .
  done
cd -

mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/erlang
tar xvf $CWD/$DOC_NAME_VERSION.tar.gz -C $PKG/usr/lib${LIBDIRSUFFIX}/erlang
chown -R root:root $PKG/usr/lib${LIBDIRSUFFIX}/erlang
chmod -R u+w,go+r-w,a-s $PKG/usr/lib${LIBDIRSUFFIX}/erlang

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
sed "s%@LIBDIR@%/usr/lib${LIBDIRSUFFIX}%g" $CWD/doinst.sh > \
  $PKG/install/doinst.sh

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