#!/bin/bash

# ksh93.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <mozes@slackware.com>
#
# Copyright 2001 BSDi, Inc. Concord, CA, USA
# Copyright 2004 Slackware Linux, Inc.  Concord, CA, USA
# Copyright 2007 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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
export CWD=$SLACKSOURCE/$PKGSERIES/$PKGNAM
export PORTCWD=$PWD

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Determine the CFLAGS for the known architectures:
case $ARCH in
   arm)     export SLKCFLAGS="-O2 -march=armv4t"
            export LIBDIRSUFFIX="" 
            export SARCH=arm ;;
   *)       export SLKCFLAGS="-O2" ;;
esac

# Extract source:
mkdir -p ast-base/lib/package/tgz
cp -favv $CWD/*.tgz ast-base/lib/package/tgz

# For ARMedslack, wipe the old versions in slackware and replace with newer ones
# which work on newer systems:
rm -fv ast-base/lib/package/tgz/INIT.*.tgz
rm -fv ast-base/lib/package/tgz/ast-ksh.*tgz
# Copy in newer ones:
cp -favv $PORTCWD/sources/*.tgz ast-base/lib/package/tgz/

cd ast-base/
tar xvvf lib/package/tgz/INIT.$VERSION.tgz

# Build:
bin/package read CC="gcc $SLKCFLAGS" || exit 1
bin/package make SHELL=/bin/ash || exit 1

# Install:
mkdir -p $PKG/bin
cp arch/linux.$SARCH/bin/ksh $PKG/bin/ksh.new

#cp arch/linux.$SARCH/lib/libshell.so.1.1 /usr/lib
#cp arch/linux.$SARCH/lib/libshell.a /usr/lib
#cp arch/linux.$SARCH/lib/libast.so.5.4 /usr/lib
#cp arch/linux.$SARCH/lib/libast.a /usr/lib
#cp arch/linux.$SARCH/src/cmd/ksh93/cc-g,-fpic/libshell.so.1.1 /usr/lib
#cp arch/linux.$SARCH/src/cmd/ksh93/cc-g,-fpic/libshell.a /usr/lib
#cp arch/linux.$SARCH/src/lib/libast/libast.so.5.4 /usr/lib
#cp arch/linux.$SARCH/src/cmd/ksh93/cc-g,-fpic/libast.a /usr/lib
#strip /usr/lib/libast.so.5.4 /usr/lib/libshell.so.1.1

mkdir -p $PKG/usr/man/man1
sed -e "s#\.nr Z 0#\.nr Z 1#g" src/cmd/ksh93/sh.1 > \
       $PKG/usr/man/man1/ksh.1

# Install locale files:
mkdir -p $PKG/usr/share
cp -a share/lib/locale $PKG/usr/share
chown -R root:root $PKG/usr/share
( cd $PKG/usr/share
  find . -type d -exec chmod 755 {} \;
  find . -type f -exec chmod 644 {} \;
)

( cd $PKG/bin ; ln -sf ksh rksh )
( cd $PKG/usr/man/man1 ; ln -sf ksh.1.gz rksh.1.gz )

mkdir -p $PKG/usr/doc/ksh93-$VERSION
( cd src/cmd/ksh93
  cp -a COMPATIBILITY DESIGN OBSOLETE PROMO.mm README RELEASE* \
     $PKG/usr/doc/ksh93-$VERSION
)
( cd /tmp/build-ksh93/ast-base
  mkdir -p $PKG/usr/doc/ksh93-$VERSION/LICENSE
  cp -a README $PKG/usr/doc/ksh93-$VERSION/LICENSE
  cp -a $CWD/CPL $PKG/usr/doc/ksh93-$VERSION
  chmod 644 $PKG/usr/doc/ksh93-$VERSION/CPL
  chown root:root $PKG/usr/doc/ksh93-$VERSION/CPL
  cp -a lib/package/LICENSES/ast $PKG/usr/doc/ksh93-$VERSION/LICENSE/LICENSE.ast )

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh

# Create post-installation script:
cat <<EOF >> $PKG/install/doinst.sh
# Backup the old copy if we find one, move the new one in place
if [ -f bin/ksh ]; then
   mv bin/ksh bin/ksh.old
fi
mv bin/ksh.new bin/ksh
if [ -f bin/ksh.old ]; then
  rm -f bin/ksh.old
fi

# Add entries to /etc/shells if we need them
if [ ! -r etc/shells ] ; then
   touch etc/shells
   chmod 644 etc/shells
fi

if ! grep -q "/bin/ksh" etc/shells ; then
   echo "/bin/ksh" >> etc/shells
fi
EOF

# Replace version number with a _ so it doesn't get confused with
# the package name.
export VERSION="$( echo $VERSION | sed 's?-?_?g' )"
export SLACKPACKAGE=$PKGNAM-$VERSION-$PKGARCH-$BUILD.tgz
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links