#!/bin/sh

# Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012  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.

# http://downloads.sourceforge.net/project/blackboxwm/blackboxwm/Blackbox%200.70.1/blackbox-0.70.1.tar.bz2
# http://downloads.sourceforge.net/project/bbkeys/bbkeys/0.9.1/bbkeys-0.9.1.tar.gz
# Adapted startblackbox for Slint and and splitted the blackbox package:
# now blackbox and bbkeys are separate. Of course the latter is a dependency 
# of the former - Didier Spaier <didier~at~slint~dot~fr> 2016

PKGNAM=twm
VERSION=${VERSION:-1.0.10}
BUILD=${BUILD:-1slint}
NUMJOBS=${NUMJOBS:-" -j7 "}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

# Determine the CFLAGS for the known architectures:
case $ARCH in
  i486)   export SLKCFLAGS="-O2 -march=i486 -mtune=i686"
          export LIBDIRSUFFIX=""
          export ARCHQUADLET="" ;;
  i686)   export SLKCFLAGS="-O2 -march=i686 -mtune=i686"
          export LIBDIRSUFFIX=""
          export ARCHQUADLET="" ;;
  x86_64) export SLKCFLAGS="-O2 -fPIC"
          export LIBDIRSUFFIX="64"
          export ARCHQUADLET="" ;;
  s390)   export SLKCFLAGS="-O2"
          export LIBDIRSUFFIX=""
          export ARCHQUADLET="" ;;
  arm)    export SLKCFLAGS="-O2 -march=armv4t"
          export LIBDIRSUFFIX="" 
          export ARCHQUADLET="-gnueabi" ;;
  *)      export SLKCFLAGS="-O2"
          export LIBDIRSUFFIX=""
          export ARCHQUADLET="" ;;
esac


CWD=$(pwd)
TMP=${TMP:-$CWD}
PKG=$TMP/package-${PKGNAM}
rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf ${PKGNAM}-${VERSION}
tar xvf $CWD/${PKGNAM}-$VERSION.tar.gz || exit 1
cd ${PKGNAM}-$VERSION || exit 1

# Patch to allow using a wildcard "*" in the windows lists
patch -p0 --verbose < $CWD/attachment.patch

# Make sure ownership and permissions are sane:
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 {} \;

# Configure:
CFLAGS=$SLKCFLAGS \
CXXFLAGS=$SLKCFLAGS \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --infodir=/usr/info \
  --mandir=/usr/man \
  --docdir=/usr/doc/${PKGNAME}-${MODULAR_PACKAGE_VERSION} \
  --build=$ARCH-slackware-linux	

# Build:
make $NUMJOBS || make || exit 1

# Install into package:
make install DESTDIR=$PKG || exit 1
mkdir -p $PKG/etc/X11/xinit
cp $CWD/xinitrc.twm $PKG/etc/X11/xinit
chmod 755 $PKG/etc/X11/xinit/xinitrc.twm
cp $CWD/starttwm $PKG/usr/bin
chmod 755 $PKG/usr/bin/starttwm
cp -f $CWD/.twmrc.skel $PKG/usr/share/X11/twm/system.twmrc

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a \
  COPYING INSTALL README $CWD/README.Slint sample-twmrc \
  $PKG/usr/doc/${PKGNAM}-$VERSION


# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM}-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi



# Strip binaries:
find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Compress and link manpages, if any:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

# Set doc permissions:
find $PKG/usr/doc -type f -print0 | xargs -0 chmod 644
find $PKG/usr/doc -type d -print0 | xargs -0 chmod 755

mkdir -p $PKG/install
install -vpm644 $CWD/slack-desc $PKG/install/

cd $PKG
/sbin/makepkg -l y -c n $TMP/${PKGNAM}-$VERSION-$ARCH-$BUILD.txz