#!/bin/sh
# Heavily based on the Slackware 12.0 SlackBuild
# Author: Gufo	gufo<at>people<dot>it - http://gufo.dontexist.org
# License Gplv2
# Some suggestion taken from http://slackbuilds.org/

APP=asterisk
VERSION=1.4.19
BUILD=${BUILD:-2gufo}

ARCH=${ARCH:-i486}

CWD=$(pwd)
if [ "$TMP" = "" ]; then
      TMP=/tmp
fi

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

PKG=$TMP/$APP-$VERSION-build

# Stop if user or group isn't valid on your system
if ! grep ^asterisk: /etc/passwd 2>&1 > /dev/null; then

cat << EOF

  Must have an asterisk user and asterisk group to run this script

  # groupadd asterisk
  # useradd -d /dev/null -s /bin/false -g asterisk asterisk

EOF

 exit 1

elif ! grep ^asterisk: /etc/group 2>&1 > /dev/null; then

cat << EOF

  Must have an asterisk group to run this script
  # groupadd asterisk

EOF

 exit 1
fi

# Delete the leftover directories if they exist (due to a previous build)
# and (re)create the packaging directory
rm -rf $PKG $TMP/$APP-$VERSION
mkdir -p $TMP $PKG || exit 1

cd $TMP || exit 1

tar zxvf "$CWD"/$APP-$VERSION.tar.gz || exit 1

cd $APP-$VERSION || exit 1

# Change ownership and permissions if necessary
# This may not be needed in some source tarballs, but it never hurts
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

CFLAGS="$SLKCFLAGS" \
./configure --prefix=/usr \
--sysconfdir=/etc \
--mandir=/usr/man \
--with-zaptel \
--program-prefix= \
--program-suffix= \
--build=i486-slackware-linux

make || exit 1

make samples DESTDIR=$PKG

#if [ -x /usr/bin/doxygen ]; then
#    make progdocs
#fi

make install DESTDIR=$PKG || exit 1

mkdir -p $PKG/install || exit 1
cp "$CWD"/slack-desc $PKG/install

# Documentation
mkdir -p $PKG/usr/doc/$APP-$VERSION || exit 1
cat $CWD/$APP.SlackBuild > $PKG/usr/doc/$APP-$VERSION/$APP.SlackBuild

# Doxygen docs
if [ -x /usr/bin/doxygen ]; then
    cp -a -r doc/* $PKG/usr/doc/$APP-$VERSION
fi

# Preserve configuration
for file in $PKG/etc/asterisk/*; do
    mv $file $file.new
done

# Copy documentation to the docs directory and fix permissions
cp -a BUGS CHANGES COPYING CREDITS ChangeLog LICENSE README UPGRADE.txt doc $PKG/usr/doc/$APP-$VERSION
find $PKG/usr/doc/$APP-$VERSION -type f -exec chmod 644 {} \;

# Add doinst.sh to package (if it exists)
if [ -e $CWD/doinst.sh.gz ]; then
  zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh
fi

if [ -e $CWD/rc.$APP.gz ]; then
  mkdir $PKG/etc/rc.d/
  zcat $CWD/rc.$APP.gz > $PKG/etc/rc.d/rc.$APP.new
fi

if [ -e $CWD/asterisk.conf.gz ]; then
  zcat $CWD/asterisk.conf.gz > $PKG/etc/asterisk/asterisk.conf.new
fi

# Strip some libraries and 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
)

# Compress man pages if they exist
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in `find . -type l` ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
  )
fi

# Compress info pages if they exist (and remove the dir file)
if [ -d $PKG/usr/info ]; then
  gzip -9 $PKG/usr/info/*.info
  rm -f $PKG/usr/info/dir
fi

cd $PKG
requiredbuilder -v -y -s $CWD $PKG
/sbin/makepkg -l y -c n $TMP/$APP-$VERSION-$ARCH-$BUILD.tgz
cp $TMP/$APP-$VERSION-$ARCH-$BUILD.tgz "$CWD"

rm -r $PKG $TMP/$APP-$VERSION