#!/bin/sh
#
# Written by Jockey S. Kyd (jockey dot kyd at gmail dot com)
# Public domain
#

PRGNAM=mcrl2
VERSION=201107
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

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

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

set -e
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION-src.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 {} \;

# not customisable settings of cmake, so work around a bit
sed -i "s|share/man|man|g" `grep -rl share/man *`
sed -i "s|share/doc/mcrl2|doc/$PRGNAM-$VERSION|g" `grep -rl share/doc/mcrl2 *`
sed -i "s|lib/mcrl2|lib$LIBDIRSUFFIX/$PRGNAM|g" `grep -rl lib/mcrl2 *`

mkdir -p mcrl2_build
cd mcrl2_build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_BUILD_TYPE=Release \
    ..
  make VERBOSE=1
  make install DESTDIR=$PKG
cd ..

find $PKG -print0 | xargs -0 file \
  | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null \
  || true

find $PKG/usr/man -type f -exec gzip -9 {} \;

# copy supporting files for vim
mkdir -p $PKG/usr/share/$PRGNAM
cp -a .vim $PKG/usr/share/$PRGNAM/vim

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CHANGES COPYING INSTALL LICENSE_1_0.txt README \
      $PKG/usr/doc/$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.${PKGTYPE:-tgz}