#!/bin/bash

# Copyright (c) 2010-2019 LEVAI Daniel
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the <organization> nor the
#       names of its contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED ''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 COPYRIGHT HOLDER 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.

# Build script for the Linux port of OpenBSD's ksh

PRGNAM=ksh-openbsd
VERSION=${VERSION:-20190804}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "${ARCH}" == "i586" ];then
  SLKCFLAGS='-march=i586 -mtune=i686'
  LIBDIRSUFFIX=""
elif [ "$ARCH" == "i686" ]; then
  SLKCFLAGS="-march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "${ARCH}" == "x86_64" ];then
  SLKCFLAGS='-fPIC'
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -Rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -Rf $PRGNAM-$VERSION
[ -e $CWD/$VERSION.tar.gz ] && tar xvf $CWD/$VERSION.tar.gz
[ -e $CWD/$PRGNAM-$VERSION.tar.gz ] && tar xf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

CFLAGS="$SLKCFLAGS $(getconf LFS_CFLAGS)" make
make check
make install DESTDIR=$PKG

if [ -n "${PDKSH_BINNAME}" ];then
	mv $PKG/bin/pdksh $PKG/bin/"${PDKSH_BINNAME}"
	mv $PKG/usr/man/man1/pdksh.1 $PKG/usr/man/man1/"${PDKSH_BINNAME}".1
	mv $PKG/usr/man/man1/pdksh-sh.1 $PKG/usr/man/man1/"${PDKSH_BINNAME}"-sh.1
fi
BINNAME=${PDKSH_BINNAME:-pdksh}

strip --strip-unneeded $PKG/bin/"${BINNAME}"
gzip -9 $PKG/usr/man/man1/"${BINNAME}".1
gzip -9 $PKG/usr/man/man1/"${BINNAME}"-sh.1

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  Changelog.ksh-openbsd LEGAL README \
  $PKG/usr/doc/$PRGNAM-$VERSION
cp $CWD/README $PKG/usr/doc/$PRGNAM-$VERSION/README.ksh-openbsd
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}