#!/bin/sh

# Copyright 2009  Patrick J. Volkerding, Sebeka, MN, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=indent			# replace with name of program
VERSION=${VERSION:-2.2.10}	# replace with version of program
ARCH=${ARCH:-i486}		# this should not change
BUILD=${BUILD:-1}

CWD=$(pwd)
TMP=${TMP:-/tmp}	# For consistency's sake, use this
PKG=$TMP/package-$PRGNAM

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

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Your application will probably need different configure flags;
# these are provided as an example only. 
# Be sure to build only shared libraries unless there's some need for
# static.
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --infodir=/usr/info \
  --build=$ARCH-slackware-linux

# Compile the application and install it into the $PKG directory
make
make install DESTDIR=$PKG

# I'm not sure why this man page fails, but...
if find $PKG -type f -size 0c -name indent.1 ; then
  ( cd man ; ./texinfo2man ./indent.1.in ./../doc/indent.texinfo > indent.1 ; cat indent.1 > $PKG/usr/man/man1/indent.1 )
fi

# Strip binaries and libraries - this can be done with 'make install-strip'
# in many source trees, and that's usually acceptable if so, but if not, 
# use this:
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null
)

# Compress man pages
# If the man pages are installed to /usr/share/man instead, you'll need to either
# add the --mandir=/usr/man flag to configure or move them manually after the
# make install process is run.
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 and remove the package's dir file
# If no info pages are installed by the software, don't leave this in the script
rm -f $PKG/usr/info/dir
gzip -9 $PKG/usr/info/*.info*

# Copy program documentation into the package
# The included documentation varies from one application to another, so be sure
# to adjust your script as needed
# Also, include the SlackBuild script in the documentation directory
mv $PKG/usr/doc/$PRGNAM $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS COPYING NEWS README \
  $PKG/usr/doc/$PRGNAM-$VERSION

# Copy the slack-desc (and a custom doinst.sh if necessary) into ./install
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz