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

# giflib.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for ARMedslack.
#
# Copyright 2008-2026  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

# 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

# Extract source:
tar xf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || failextract
slackhousekeeping

# Include deprecated functions (including GifQuantizeBuffer) into the libgif.so
# to fix older packages that require those functions. Really, when functions
# were removed from the shared library this should have merited a shared
# library .soname version bump.
zcat $CWD/giflib.GifQuantizeBuffer.diff.gz | patch -p1 --verbose || exit 1

# Install manpages, not xml:
cat $CWD/giflib.manpages.diff | patch -p1 --verbose || exit 1

# Build:
make PREFIX=/usr LIBDIR=/usr/lib${LIBDIRSUFFIX} MANDIR=/usr/man $NUMJOBS || make PREFIX=/usr LIBDIR=/usr/lib${LIBDIRSUFFIX} MANDIR=/usr/man || failmake

# Install into package framework:
make PREFIX=/usr LIBDIR=/usr/lib${LIBDIRSUFFIX} MANDIR=/usr/man install DESTDIR=$PKG || failinstall

# Don't ship static library:
rm $PKG/usr/lib${LIBDIRSUFFIX}/*.a

# Make some compatibility symlinks
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  ln -s libgif.so libungif.so
  ln -s libgif.so.7 libungif.so.7 )

# Install these obsolete utilities if they were built:
for obsolete in gifecho giffilter gifinto gifsponge ; do
  if [ -r $obsolete ]; then
    install -vpm755 $obsolete $PKG/usr/bin/
  fi
done

# Copy documentation:
mkdir -p $PKG/usr/doc/giflib-$VERSION
cp -a \
  AUTHORS BUGS COPYING DEVELOPERS INSTALL NEWS ONEWS README TODO \
  $PKG/usr/doc/giflib-$VERSION
cp -a doc $PKG/usr/doc/giflib-$VERSION/html
rm $PKG/usr/doc/giflib-$VERSION/html/{Makefile*,*.in,*.1,*.xml}
changelogliposuction ChangeLog $PKGNAM $VERSION

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slack_delete_lafiles # delete usr/lib{,64}/*.la
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