#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# tk.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <mozes@slackware.com>
#
# Copyright 2008, 2009, 2012, 2013, 2016  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:
slackset_var_cwds

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

#   arm)     export SLKCFLAGS="-O2 -march=armv4 -mtune=xscale" ;; # -I/usr/include/tcl-private/generic" ;;
# Determine the CFLAGS for the known architectures:
case $ARCH in
   arm|aarch64) export SLKCFLAGS="$SLKCFLAGS -I/usr/include/tcl-private/generic";;
esac

# Extract source:
tar xvvf $CWD/${PKGNAM}${VERSION}-src.tar.!(*sign|*asc|*sig)
cd ${PKGNAM}*/ || exit 1
slackhousekeeping

# Fix for 64bit OS:
sed -i -e "s#TK_LIBRARY='\$(prefix)/lib/#TK_LIBRARY='\$(libdir)/#" unix/configure

# Copy docs:
mkdir -vpm755 $PKG/usr/doc/${PKGNAM}${VERSION}
cp -fav \
   README* license.terms \
   $PKG/usr/doc/${PKGNAM}${VERSION}

# Prep for package - conigure likes finding $PKG/usr/bin
mkdir -vpm755 $PKG/usr/{bin,lib$LIBDIRSUFFIX}

cd unix
LT_SYS_LIBRARY_PATH="/usr/lib${LIBDIRSUFFIX}" \
CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --mandir=/usr/man \
   --enable-shared \
   --enable-threads \
   --enable-man-symlinks \
   --build=${SLK_ARCH_BUILD} || exit 1
#  --enable-64bit \

# You WILL obey:
fgrep -lr -- '/usr/lib/tcl' . | xargs sed -i 's?/usr/lib/tcl?/usr/lib'"$LIBDIRSUFFIX"'/tcl?g'

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

# Fix paths in tkConfig.sh:
 sed -e "s@^\(TK_SRC_DIR='\).*@\1/usr/include'@" \
     -e "/TK_B/s@='\(-L\)\?.*unix@='\1/usr/lib${LIBDIRSUFFIX}@" \
     -i tkConfig.sh

# Install:
make install DESTDIR=$PKG || exit 1

# Some sources require Tk's private headers, which might not be the
# best thing but we'll include them where we've seen other teams
# doing the same thing:
make install-private-headers DESTDIR=$PKG || exit 1

( cd $PKG/usr/bin
  rm -f wish
  ln -vsf wish8.6 wish )
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  rm -f libtk.so
  ln -vsf libtk8.6.so libtk.so )

# Archive source -- it's needed to build tix and expect:
( cd $TMPBUILD
  mkdir -vpm755 $PORTCWD/sources
  tar -Ixz -pcf $PORTCWD/sources/$SLKPORTARCH-tk-compiled.tar.xz tk* )

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slack_delete_lafiles # delete usr/lib{,64}/*.la
#slackstriprpaths     # strip rpaths
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
slackmp         # run makepkg -l y -c n

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