#!/bin/sh
 
# Slackware build script for Lwt
# Copyright 2011 Adrien Nader <adrien@notk.org>
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
PRGNAM=lwt
VERSION=${VERSION:-2.3.2}
BUILD=${BUILD:-1}
TAG=${TAG:-adrien}
 
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/${TAG}}
PKG=$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

CONFOPTS=""

# Whether to disable React helpers (enabled by default since used by caravel)
# This requires react
if [ "${REACT:-yes}" = "no" ]; then
  CONFOPTS+=" --disable-react"
else
  CONFOPTS+=" --enable-react"
fi

# Whether to disable glib integration (enabled by default since used by caravel)
# This requires lablgtk2
if [ "${GLIB:-yes}" = "no" ]; then
  CONFOPTS+=" --disable-glib"
else
  CONFOPTS+=" --enable-glib"
fi

# Whether to enable Text mode utilities (disabled by default)
# This requires another (yet unpackaged) library named "Text" iirc.
if [ "${TEXT:-no}" = "no" ]; then
  CONFOPTS+=" --disable-text"
else
  CONFOPTS+=" --enable-text"
fi

set -e
 
rm -rf $PKG
mkdir -p $TMP $PKG/usr/lib${LIBDIRSUFFIX}/ocaml/$PRGNAM $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;
 
# The --destdir currently has no effect and that's why we're also passing
# DESTDIR= to make install but this should be fixed.
ocaml setup.ml -configure --destdir $PKG --docdir $PKG/usr/doc/$PRGNAM-$VERSION $CONFOPTS

make build

# Currently, making the doc triggers the compilation of the optional deps even
# if they've been disabled. That shouldn't happen but until this is fixed
# upstream, we don't have much choice.
if [ "${TEXT}" = "yes" -a "${REACT}" = "yes" -a "${GLIB}" = "yes" ]; then
  make doc
fi

# We need to mkdir the stulibs folder before "ocamlfind install" is called. This
# will prevent ocamlfind from trying to change ld.conf which is uneeded.
export OCAMLFIND_DESTDIR="$PKG/usr/lib${LIBDIRSUFFIX}/ocaml"
mkdir $OCAMLFIND_DESTDIR/stublibs
make install ${OCAMLFIND_INSTALL}
unset OCAMLFIND_DESTDIR
 
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a LICENSE COPYING examples $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/ocaml-$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/ocaml-$PRGNAM.SlackBuild
 
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
 
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/ocaml-$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}