#!/bin/sh

# Copyright 2005-2009  Patrick J. Volkerding, Sebeka, Minnesota, 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.

VERSION=3.1.6
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-gawk

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

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

cd $TMP
rm -rf gawk-$VERSION
tar xjvf $CWD/gawk-$VERSION.tar.bz2
cd gawk-$VERSION

chown -R root:root .
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --mandir=/usr/man \
  --infodir=/usr/info \
  $ARCH-slackware-linux

make -j3 || exit 1
make install DESTDIR=$PKG || exit 1

( 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
)
( cd $PKG/usr/bin
  ln -sf gawk-$VERSION gawk
  ln -sf pgawk-$VERSION pgawk
)
mkdir -p $PKG/bin
mv $PKG/usr/bin/gawk* $PKG/bin
mv $PKG/usr/bin/awk $PKG/bin
( cd $PKG/usr/bin
  ln -sf ../../bin/awk .
  ln -sf ../../bin/gawk .
  ln -sf ../../bin/gawk-$VERSION .
)
( cd $PKG/usr/info
  rm dir
  gzip -9 *
)
( cd $PKG/usr/man/man1
  rm -f pgawk.1
  gzip -9 *
  ln -sf gawk.1.gz awk.1.gz
  ln -sf gawk.1.gz pgawk.1.gz
)
mkdir -p $PKG/usr/doc/gawk-$VERSION
cp -a \
  ABOUT-NLS AUTHORS COPYING FUTURES INSTALL LIMITATIONS NEWS POSIX.STD \
  PROBLEMS README README_d \
  $PKG/usr/doc/gawk-$VERSION
find $PKG/usr/doc/gawk-$VERSION -type d -exec chmod 755 {} \;
find $PKG/usr/doc/gawk-$VERSION -type f -exec chmod 644 {} \;
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
makepkg -l y -c n $TMP/gawk-$VERSION-$ARCH-$BUILD.txz