#!/bin/bash

# Slackware build script for SmallBASIC

# Copyright 2024-2026 Antonio Leal, Porto Salvo, Oeiras, Portugal
# 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.


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

PRGNAM=SmallBASIC
VERSION=${VERSION:-12.33}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

FLTKTARBALL=fltk-1.4.3

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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

set -e
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf /tmp/$FLTKTARBALL
rm -rf $FLTKTARBALL ${PRGNAM}-${VERSION/./_}
rm -rf $TMP/${VERSION/./_}

tar xvfz $CWD/$FLTKTARBALL-source.tar.gz
tar xvfz $CWD/${PRGNAM}-${VERSION/./_}.tar.gz
# Extract submodules
(
    cd ${PRGNAM}-${VERSION/./_}/src/lib
    tar xvf $CWD/jsmn-25647e692c7906b96ffd2b05ca54c097948e879c.tar.gz --strip-components=1 -C jsmn
    tar xvf $CWD/lodepng-17d08dd26cac4d63f43af217ebd70318bfb8189c.tar.gz  --strip-components=1 -C lodepng
    tar xvf $CWD/miniaudio-350784a9467a79d0fa65802132668e5afbcf3777.tar.gz  --strip-components=1 -C miniaudio
    tar xvf $CWD/stb-f58f558c120e9b32c217290b80bad1a0729fbb2c.tar.gz  --strip-components=1 -C stb
)

fixperms() {
    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 {} \;
}

export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
# Build statical FLTK libraries
(
    cd $FLTKTARBALL
    fixperms
    ./autogen.sh
    ./configure --prefix=/tmp/$FLTKTARBALL
    make
    make install
)
cd ${PRGNAM}-${VERSION/./_}
fixperms

# patch lambda by-copy capture default
patch src/ui/textedit.cpp $CWD/textedit.cpp.patch

# Build Console Version
./autogen.sh
./configure
make
make install DESTDIR=$PKG

# Build SDL Version
make clean
./configure --enable-sdl
make
make install DESTDIR=$PKG

# Build FLTK Version
make clean
export PATH=/tmp/$FLTKTARBALL/bin:$PATH
CFLAGS="-I/tmp/$FLTKTARBALL/include" LDFLAGS="-L/tmp/$FLTKTARBALL/lib" ./configure --enable-fltk
make
make install DESTDIR=$PKG

# Place files at the correct locations
mkdir -p $PKG/usr/share
mv $PKG/usr/local/bin $PKG/usr
mv $PKG/usr/local/share/icons $PKG/usr/share
mv $PKG/usr/local/share/applications $PKG/usr/share

# Clean-up
rm -rf $PKG/usr/local
rm -rf /tmp/$FLTKTARBALL

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
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE