#!/bin/bash

# Slackware build script for MLT bindings
# Copyright 2022 Klaatu <klaatu@member.fsf.org> | Lawrence NZ

# GNU All-Permissive License
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.  This file is offered as-is,
# without any warranty.

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

PRGNAM=mlt-bindings
SRCNAM=mlt
VERSION=${VERSION:-7.4.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

PERL=${PERL:-on}
PYTHON=${PYTHON:-on}
PHP=${PHP:-on}
RUBY=${RUBY:-on}

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

# If PRINT_PACKAGE_NAME is set, print name of this package
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
mkdir  $PRGNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz --strip-components=1 \
    -C $PRGNAM-$VERSION
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 {} \;

mkdir -p cmake-build
mkdir -p $PKG/out
cd cmake-build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DSWIG_PERL=$PERL \
    -DSWIG_PHP=$PHP \
    -DSWIG_PYTHON=$PYTHON \
    -DSWIG_RUBY=$RUBY \
    -DCMAKE_BUILD_TYPE=Release ..
  make -j11
  make install DESTDIR=$PKG/out
cd ..

mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}

cp -ar $PKG/out/usr/lib${LIBDIRSUFFIX}/perl5 \
   $PKG/usr/lib${LIBDIRSUFFIX} 2>/dev/null || true
cp -ar $PKG/out/usr/lib${LIBDIRSUFFIX}/php \
   $PKG/usr/lib${LIBDIRSUFFIX} 2>/dev/null || true
cp -ar $PKG/out/usr/lib${LIBDIRSUFFIX}/python* \
   $PKG/usr/lib${LIBDIRSUFFIX} 2>/dev/null || true
cp -ar $PKG/out/usr/lib${LIBDIRSUFFIX}/ruby \
   $PKG/usr/lib${LIBDIRSUFFIX} 2>/dev/null || true

rm -r $PKG/out

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 -name perllocal.pod -o -name ".packlist" -o -name "*.bs" | xargs rm -f || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
echo "See /usr/doc/$SRCNAM-$VERSION for docs" > \
     $PKG/usr/doc/$PRGNAM-$VERSION/README
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