#!/bin/sh
# Set initial variables:
CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-libjpeg

VERSION=${VERSION:-6b}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-5}

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
fi

if [ ! -d $TMP ]; then
  mkdir -p $TMP # location to build the source
fi
rm -rf $PKG
mkdir -p $PKG

# Explode the package framework:
cd $PKG
explodepkg $CWD/_libjpeg.tar.gz

cd $TMP
rm -rf jpeg-6b
tar xzvf $CWD/jpegsrc.v6b.tar.gz
cd jpeg-6b
chown -R root:root .
zcat $CWD/jpeg-6b.diff.gz | patch -p0 -E
./configure
make -j3 || exit 1
strip cjpeg djpeg rdjpgcom wrjpgcom jpegtran
cat cjpeg > $PKG/usr/bin/cjpeg
cat djpeg > $PKG/usr/bin/djpeg
cat jpegtran > $PKG/usr/bin/jpegtran
cat rdjpgcom > $PKG/usr/bin/rdjpgcom
cat wrjpgcom > $PKG/usr/bin/wrjpgcom
for page in cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1 ; do
  cat $page | gzip -9c > $PKG/usr/man/man1/$page.gz
done
strip --strip-unneeded libjpeg.so.62.0.0
cat libjpeg.so.62.0.0 > $PKG/usr/lib/libjpeg.so.62.0.0
cat libjpeg.a > $PKG/usr/lib/libjpeg.a
cp -a jconfig.h jpeglib.h jmorecfg.h jerror.h $PKG/usr/include
# KDE includes this complete header list, but the libjpeg source doesn't
# suggest it, and we trust them. :)
#for file in jchuff.h jdhuff.h jdct.h jerror.h jinclude.h jmemsys.h \
#  jmorecfg.h jpegint.h jpeglib.h jversion.h cdjpeg.h cderror.h jconfig.h ; do
#  cp -a $file $PKG/usr/include
#done
mkdir -p $PKG/usr/doc/libjpeg-$VERSION
cp -a README *.doc $PKG/usr/doc/libjpeg-$VERSION
chmod 644 $PKG/usr/doc/libjpeg-$VERSION/*
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
makepkg -c y -l y $TMP/libjpeg-$VERSION-$ARCH-$BUILD.tgz