#!/bin/sh

# Slackware build script for FreeCAD

# Copyright 2010-2012 Niels Horn, Rio de Janeiro, RJ, Brazil
# 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.
#
# Maintained by David Spencer <baildon.research@googlemail.com>

PRGNAM=FreeCAD
VERSION=${VERSION:-0.17.13541}
COMMIT=${COMMIT:-9948ee4f1570df9216862a79705afb367b2c6ffb}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$COMMIT
tar xvf $CWD/$PRGNAM-$COMMIT.tar.gz
cd $PRGNAM-$COMMIT
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# SBo's OpenCASCADE 6.9.1 includes were in /opt/OpenCASCADE, but for 7.3.0
# the includes are in /usr/include/opencascade, so let's accept either :)
if [ -d /usr/include/opencascade ]; then
  occinc=/usr/include/opencascade
elif [ -d /opt/OpenCASCADE/inc ]; then
  occinc=/opt/OpenCASCADE/inc
  # However, 6.9.1's libs are in /usr/lib${LIBDIRSUFFIX} just like 7.3.0
  # (see OCC_LIBRARY below)
else
  echo "OpenCASCADE include directory was not found"
  exit 1
fi

mkdir build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/opt/$PRGNAM \
    -DDOCDIR=/usr/doc/$PRGNAM-$VERSION \
    -DOCC_INCLUDE_DIR:PATH=$occinc \
    -DOCC_LIBRARY:PATH=/usr/lib${LIBDIRSUFFIX} \
    -DRESOURCEDIR=/opt/$PRGNAM/share/data \
    -DBUILD_FEM=OFF \
    -DCMAKE_BUILD_TYPE=Release ..
  make
  make install DESTDIR=$PKG
cd ..

# create links in /usr/bin
mkdir -p $PKG/usr/bin
ln -s /opt/FreeCAD/bin/FreeCADCmd $PKG/usr/bin/FreeCADCmd
ln -s /opt/FreeCAD/bin/FreeCAD $PKG/usr/bin/FreeCAD

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Copy icon, desktop file and mime info
mkdir -p $PKG/usr/share/applications $PKG/usr/share/pixmaps $PKG/usr/share/mime/packages
cp $PKG/opt/$PRGNAM/data/freecad.xpm $PKG/usr/share/pixmaps/
cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop
cat $CWD/$PRGNAM.xml > $PKG/usr/share/mime/packages/$PRGNAM.xml

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  README.md ChangeLog.txt \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}