#!/bin/sh
# Heavily based on the Slackware 13.0 SlackBuild
# Author: Gufo	gufo<at>people<dot>it - http://gufo.dontexist.org
# License Gplv2
# Some suggestion taken from http://slackbuilds.org/
# http://www.kernel.org/pub/linux/libs/pam/
# http://www.kernel.org/pub/linux/libs/pam/pre/library/Linux-PAM-0.99.9.0.tar.bz2
# This work used slackbuild by C. J. Meidlinger  as a reference 
# (http://www.linuxpackages.net/pkg_details.php?id=9712)

set -e

APP=Linux-PAM
VERSION=1.1.0
BUILD=${BUILD:-1gufo}

ARCH=${ARCH:-i486}

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

# 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

cd $TMP

tar jxvf "$CWD"/$APP-$VERSION.tar.bz2

cd $APP-$VERSION

# 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="$SLKCFLAGS" \
#./configure --prefix=/usr --sysconfdir=/etc/pam.d --disable-selinux \
# --docdir=/usr/doc/$APP-$VERSION
./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var --with-gnu-ld \
 --enable-docdir=/usr/doc/${APP}-${VERSION} --mandir=/usr/man --enable-securedir=/usr/lib/pam \
 --enable-sconfigdir=/etc/pam --enable-read-both-confs --includedir=/usr/include/pam

make

make install DESTDIR=$PKG

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

# Documentation
mkdir -p $PKG/usr/doc/$APP-$VERSION
cat $CWD/linux-pam.SlackBuild > $PKG/usr/doc/$APP-$VERSION/linux-pam.SlackBuild
# Copy documentation to the docs directory and fix permissions
cp -a AUTHORS CHANGELOG COPYING ChangeLog Copyright NEWS README $PKG/usr/share/doc/Linux-PAM/*.txt $PKG/usr/doc/$APP-$VERSION
find $PKG/usr/doc/$APP-$VERSION -type f -exec chmod 644 {} \;
rm -rf $PKG/usr/share/doc

mkdir $PKG/etc/pam.d/

# sane configuration default
if [ -e $CWD/other.gz ]; then
  zcat $CWD/other.gz > $PKG/etc/pam.d/other.new
fi

# This is for vmware-server
if [ -e $CWD/vmware-authd.gz ]; then
  zcat $CWD/vmware-authd.gz > $PKG/etc/pam.d/vmware-authd.new
fi

# 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

# 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 $CWD/../linux-pam-$VERSION-$ARCH-$BUILD.txz

if [ "$1" = "--cleanup" ]; then
  rm -rf $PKG $TMP/$APP-$VERSION
fi