#!/bin/sh
# Generated by Alien's SlackBuild Toolkit: http://slackware.com/~alien/AST
# Copyright 2009, 2010, 2011, 2012, 2013, 2014, 2015  Eric Hameleers, Eindhoven, Netherlands
# Copyright 2015-2017  Thorn Inurcide 
# Copyright 2015-2017  tde-slackbuilds project on GitHub
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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.

PRGNAM=GraphicsMagick
VERSION=${VERSION:-1.3.21}
BUILD=${BUILD:-1}
TAG=${TAG:-}

DOCS="ChangeLog* Copyright* NEWS* README* TODO*"

SRCURL="http://downloads.sourceforge.net/graphicsmagick/${PRGNAM}-${VERSION}.tar.bz2"
source ../../get-source.sh

cd $TMP/tmp-$PRGNAM
echo "
Extracting the source from the ${PRGNAM} archive ..."
tar -xf ${SOURCE}

cd ${PRGNAM}-${VERSION}
chown -R root:root .
chmod -R u+w,go+r-w,a+rX-st .

LDFLAGS="$SLKLDFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --localstatedir=/var \
  --sysconfdir=/etc \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-shared \
  --disable-static \
  --disable-openmp \
  --without-modules \
  --with-x \
  --with-frozenpaths \
  --build=$ARCH-slackware-linux
  
# By default, GraphicsMagick is compiled with support for OpenMP (http://www.openmp.org/) if the compilation 
# environment supports it. OpenMP automatically parallizes loops across concurrent threads based on instructions 
# in pragmas. OpenMP was introduced in GCC 4.2. OpenMP is a well-established standard and was implemented in
# some other compilers in the late '90s, long before its appearance in GCC. OpenMP adds additional build and linkage 
# requirements.
# By default, GraphicsMagick enables as many threads as there are CPU cores (or CPU threads). According to the OpenMP
# standard, the OMP_NUM_THREADS environment variable specifies how many threads should be used and GraphicsMagick 
# also honors this request. In order to obtain the best single-user performance, set OMP_NUM_THREADS equal to the 
# number of available CPU cores. On a server with many cores and many programs running at once, there may be benefit 
# to setting OMP_NUM_THREADS to a much smaller value than the number of cores, and sometimes values as low as two 
# (or even one, to disable threading) will offer the best overall system performance. Tuning a large system with OpenMP
# programs running in parallel (competing for resources) is a complex topic and some research and experimentation may
# be required in order to find the best parameters.

make $NUMJOBS || exit 1
make DESTDIR=$PKG install || exit 1

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
cat $SRCDIR/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc -type f -exec chmod 644 {} \;

if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;
  for i in $(find $PKG/usr/man -type l -name "*.?") ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi

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

mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc

cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} 
cd $OUTPUT
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz}.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt

# Restore the original umask:
umask ${_UMASK_}