#!/bin/bash

# Slackware build script for metakit

# Based on the build script for Mk4tcl
# Originally written by Zbigniew Baniewski <Zbigniew dot Baniewski [at] gmail [dot] com>
# Copyright 2022 Juan M. Lasca <juanmlasca@gmail.com>
# 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.

# 20220731 from pacakge Mk4tcl:
# * Updated download link
# * Added (optional) Python support
# * Removed Makefile patch (DESTDIR issue corrected via sed)
# * Removed demo binaries (not needed)

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=metakit
VERSION=${VERSION:-2.4.9.8}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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 ${PRGNAM}-${VERSION}
unzip $CWD/${PRGNAM}-${VERSION}.zip
cd ${PRGNAM}-${VERSION}
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# correct makefiles
sed -i 's/DESTDIR=/DESTDIR ?=/'   unix/Makefile.in
sed -i 's/DESTDIR.*=/DESTDIR ?=/' tcl/Makefile.in

mkdir -p builds
cd builds

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
../unix/configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

[ "$ARCH" == "x86_64" ] && ENABLE_64BITS=--enable-64bits || ENABLE_64BITS=""

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
CC=g++ \
../tcl/configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --with-tcl=/usr/lib${LIBDIRSUFFIX} \
  --with-tclinclude=/usr/include \
  $ENABLE_64BITS \
  --enable-threads \
  --enable-shared \
  --enable-load \
  --build=$ARCH-slackware-linux

make
make install-binaries DESTDIR=$PKG
rmdir $PKG/usr/bin

WITH_PYTHON=${WITH_PYTHON:-"YES"}
if [ "$WITH_PYTHON" != "NO" ]; then
    cd ../python
    python2 setup.py install --root=$PKG
fi

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION

cp -a \
   demos doc examples license.terms \
   $PKG/usr/doc/$PRGNAM-$VERSION

find $PKG/usr/doc/$PRGNAM-$VERSION -type f -exec chmod 644 {} \;

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