#!/bin/sh

# Slackware build script for mtpaint
# Written by slakmagik <slakmagik@gmail.com>
# Released under the WTFPL

PRGNAM=mtpaint
VERSION=${VERSION:-3.40}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

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/SBo}
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

if [ "$GTK1" = yes ]; then
  GTK1=gtk1
fi
if [ "$TKWIDGETS" = yes ]; then
  TKWIDGETS="gtkfilesel gtkcolsel"
fi
if [ "$INTL" = yes ]; then
  INTL=intl
fi
HANDBOOK=${HANDBOOK:-no}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
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 \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 \
  -o -perm 400 \) -exec chmod 644 {} \;

# bring deprecated function call into conformance with libpng14
sed -i 's/png_set_gray_1_2_4_to_8/png_set_expand_gray_1_2_4_to_8/' src/png.c

# Fix build with giflib-5.1 (thanks to Arch)
sed -i 's:EGifOpenFileName(file_name, FALSE):EGifOpenFileName(file_name, FALSE, NULL):' src/png.c
sed -i 's:DGifOpenFileName(file_name):DGifOpenFileName(file_name, NULL):g' src/png.c
sed -i 's:EGifCloseFile(giffy):EGifCloseFile(giffy, NULL):g' src/png.c
sed -i 's:DGifCloseFile(giffy):DGifCloseFile(giffy, NULL):g' src/png.c
sed -i 's:MakeMapObject(:GifMakeMapObject(:g' src/png.c
sed -i 's:FreeMapObject(:GifFreeMapObject(:g' src/png.c

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure cflags man $GTK1 $TKWIDGETS $INTL \
  --prefix=/usr \
  --mandir=/usr/man/man1 \
  --docdir=/usr/doc/$PRGNAM-$VERSION

# mtpaint autostrips the binary and autocompresses the manpage but doesn't
# automatically create the viewer link
make
make DESTDIR=$PKG install
(cd $PKG/usr/bin && ln -s mtpaint mtv)

if [ "$HANDBOOK" = yes ]; then
  unzip $CWD/${PRGNAM}_handbook-$VERSION.zip
  ( cd ${PRGNAM}_handbook-$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 \
      \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 \
      -o -perm 400 \) -exec chmod 644 {} \;
    make DOCDIR=$PKG/usr/doc/$PRGNAM-$VERSION install
    cp -a COPYING $PKG/usr/doc/$PRGNAM-$VERSION/COPYING.handbook )
else
  mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
fi
cp -a [CNR]* $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

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:-tgz}