#!/bin/sh
# Heavily based on the Slackware 13.0 SlackBuild
# Packager Submax (Massimo Cavalleri)
# http://www.freedesktop.org/wiki/Software/liblazy

NAME=liblazy
VERSION=0.2
ARCH=${ARCH:-i486}
BUILD=${BUILD:-5sm}
TMP=${TMP:-/tmp/txz}
PKG=$TMP/package/$NAME
CWD=$(pwd)

SOURCE="http://people.freedesktop.org/~homac/liblazy/$NAME-$VERSION.tar.bz2"

# download source
if [ ! -e $NAME-$VERSION.tar.bz2 ]; then
   wget -c $SOURCE
fi

# clean necessary before compile after old run
rm -rf $PKG
mkdir -p $PKG
rm -rf $TMP/$NAME-$VERSION

# CHOST arch should be set to i486 for any 32-bit x86, unless
# you want problems finding your compiler.
case $ARCH in
 "i486") SLKCFLAGS="-O2 -march=i486 -mtune=i686" ; SLKLIBDIR=lib ; CHOST=i486 ;;
 "i686") SLKCFLAGS="-O3 -march=i686 -pipe -fomit-frame-pointer" ; SLKLIBDIR=lib ; CHOST=i486 ;;
 "athlon64") SLKCFLAGS="-O2 -march=athlon64 -pipe" ; SLKLIBDIR=lib ; CHOST=i486 ;;
 "athlonxp") SLKCFLAGS="-O3 -march=athlon-xp -pipe -fomit-frame-pointer" ; SLKLIBDIR=lib ; CHOST=i486 ;;
 "x86_64_slamd64") SLKCFLAGS="-O2" ; SLKLIBDIR=lib64 ; CHOST=x86_64 ;; # multilib /lib and /lib64
 "x86_64") SLKCFLAGS="-O2" ; SLKLIBDIR=lib ; CHOST=x86_64 ;; # pure /lib only es. sflack
 "s390") SLKCFLAGS="-O2" ; SLKLIBDIR=lib ; CHOST=s390 ;;
esac

# extract source
cd $TMP
tar xjvf $CWD/$NAME-$VERSION.tar.bz2
cd $NAME-$VERSION

# Make sure ownerships and permissions are sane
chown -R root:root .
find . -perm 666 -exec chmod 644 {} \;
find . -perm 664 -exec chmod 644 {} \;
find . -perm 600 -exec chmod 644 {} \;
find . -perm 444 -exec chmod 644 {} \;
find . -perm 400 -exec chmod 644 {} \;
find . -perm 440 -exec chmod 644 {} \;
find . -perm 777 -exec chmod 755 {} \;
find . -perm 775 -exec chmod 755 {} \;
find . -perm 511 -exec chmod 755 {} \;
find . -perm 711 -exec chmod 755 {} \;
find . -perm 555 -exec chmod 755 {} \;

LDFLAGS="-L/usr/$SLKLIBDIR -L/$SLKLIBDIR" \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/$SLKLIBDIR \
  --disable-debug \
  --enable-static=no \
  --program-prefix= \
  --program-suffix= \
  --build=$CHOST-slackware-linux
make || exit 1
make install DESTDIR=$PKG || exit 1

# Strip binaries:
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "current ar archive" | grep ELF | cut -f 1 -d : | xargs strip -g 2> /dev/null
)

# Add a documentation directory
mkdir -p $PKG/usr/doc/$NAME-$VERSION/SlackBuild
cp -a AUTHORS COPYING ChangeLog INSTALL  NEWS README $PKG/usr/doc/$NAME-$VERSION
mkdir -p $PKG/usr/doc/$NAME-$VERSION/SlackBuild
cat $CWD/$NAME.SlackBuild > $PKG/usr/doc/$NAME-$VERSION/SlackBuild/$NAME.SlackBuild
cat $CWD/slack-desc > $PKG/usr/doc/$NAME-$VERSION/SlackBuild/slack-desc

# install directory
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# build package
cd $PKG
chown -R root:root $PKG
if [ -x "$(which requiredbuilder)" ]; then
   requiredbuilder -y -v -s $CWD $PKG
fi
makepkg -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.txz

# checksum and desc
(cd $CWD/..
 md5sum $NAME-$VERSION-$ARCH-$BUILD.tgz > $NAME-$VERSION-$ARCH-$BUILD.tgz.md5
cat $PKG/install/slack-desc | grep "^$NAME" > $NAME-$VERSION-$ARCH-$BUILD.txt )

# optional clean
if [ "$1" = "--cleanup" ]; then
   if [ "$TMP" != "/" ]; then
      rm -rf $TMP
   fi
fi