#!/bin/sh

# Slackware build script for LibRaw
# Written by David Spencer <baildon.research@googlemail.com>
# This script is dedicated to the public domain

PRGNAM=LibRaw
VERSION=${VERSION:-0.13.4}
BUILD=${BUILD:-1}
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

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP

rm -rf \
  LibRaw-$VERSION \
  LibRaw-demosaic-pack-GPL2-$VERSION \
  LibRaw-demosaic-pack-GPL3-$VERSION

tar xvf $CWD/LibRaw-$VERSION.tar.gz
tar xvf $CWD/LibRaw-demosaic-pack-GPL2-$VERSION.tar.gz
tar xvf $CWD/LibRaw-demosaic-pack-GPL3-$VERSION.tar.gz

chown -R root:root \
  LibRaw-$VERSION \
  LibRaw-demosaic-pack-GPL2-$VERSION \
  LibRaw-demosaic-pack-GPL3-$VERSION

find \
  LibRaw-$VERSION \
  LibRaw-demosaic-pack-GPL2-$VERSION \
  LibRaw-demosaic-pack-GPL3-$VERSION \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

cd $PRGNAM-$VERSION

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --disable-static \
  --enable-demosaic-pack-gpl2=$TMP/LibRaw-demosaic-pack-GPL2-$VERSION \
  --enable-demosaic-pack-gpl3=$TMP/LibRaw-demosaic-pack-GPL3-$VERSION \
  --disable-examples \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

# Kill the static libs that we already said we didn't want
rm $PKG/usr/lib$LIBDIRSUFFIX/libraw.a \
   $PKG/usr/lib$LIBDIRSUFFIX/libraw_r.a

find $PKG | xargs 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 \
  COPYRIGHT Changelog.txt INSTALL \
  LICENSE.CDDL LICENSE.LGPL LICENSE.LibRaw.pdf \
  README README.demosaic-packs doc/* \
  $PKG/usr/doc/$PRGNAM-$VERSION
for docfile in COPYRIGHT Changelog LICENSE.txt README; do
  cp -a \
    $TMP/LibRaw-demosaic-pack-GPL2-$VERSION/$docfile \
    $PKG/usr/doc/$PRGNAM-$VERSION/demosaic-pack-GPL2-$docfile
done
for docfile in COPYRIGHT Changelog LICENSE.txt README; do
  cp -a \
    $TMP/LibRaw-demosaic-pack-GPL3-$VERSION/$docfile \
    $PKG/usr/doc/$PRGNAM-$VERSION/demosaic-pack-GPL3-$docfile
done
find $PKG/usr/doc -type f -exec chmod 0644 {} \;

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:-tgz}