#setup build environment for freecad on debian testing
#btw this is probably incomplete. please fix any obvious errors!
sudo apt-get update

sudo apt-get install libcoin40c2 libcoin40-dev libqt4 libqt4-dev \
libboost* python2.5 python2.5-dev libxerces27 \
libgts-dev libgts-0.7-5 libxerces27-dev zlib1g zlib1g-dev checkinstall

#dont want these packages with qt4 installed: 
sudo apt-get remove libsoqt20 libsoqt-dev

#compile libSoQt
wget http://ftp.coin3d.org/coin/src/all/SoQt-1.4.1.tar.gz
tar -zxvf SoQt*
cd SoQt*
sudo cp cfg/soqt.m4 /usr/share/aclocal

#this doesnt work
#sed -i 's/SIM_AC_QT_PROG(MOC, moc)/SIM_AC_QT_PROG(MOC, moc-qt4)/' configure.ac

#we get the wrong (qt3) moc by default, so pull a switcheroo
sudo ln -s /usr/bin/moc-qt4 /usr/local/bin/moc
./configure --with-qt=/usr/lib/qt4 && make
sudo rm /usr/local/bin/moc
checkinstall -D -y
#sudo apt-get remove libsoqt20
sudo dpkg -i soqt*deb

#get opencascade libraries. 182MB + you have to jump through some hoops 
cd /usr/local
sudo mkdir OpenCASCADE
sudo chown $USER OpenCASCADE
cd OpenCASCADE
tar -zxf $PATH_TO_OCC/OpenCASCADE_Linux.tgz
#$ dpkg -l sun*
#ii  sun-java5-jre 1.5.0-12-1 Sun Java(TM) Runtime Environment
sudo java -jar Linux/setup.jar
#pointy clicky drool
#i changed the destination directory to /usr/local/OpenCASCADE
#pick complete installation 
#it only took about 15 minutes
#you might want to change the file permissions
sudo chown $USER /usr/local/OpenCASCADE/ -R

#i'm not sure if you actually have to compile opencascade or not
cp /usr/local/OpenCASCADE/ros/configure \
/usr/local/OpenCASCADE/ros/configure.bak
sed -i \
's/CXXFLAGS="$CXXFLAGS "/CXXFLAGS="$CXXFLAGS -ffriend-injection -fpermissive"/'\
/usr/local/OpenCASCADE/ros/configure

cd /usr/local/OpenCASCADE/ros/
./configure --with-tcl=/usr/lib/tcl8.4 --with-tk=/usr/lib/tk8.4
cd adm/make
#the include path can get messed up, but this didnt happen for me for tcl
#uncomment if you dont see $string1/tcl8.4
#find adm/make -name 'Makefile' -exec sed -i \
#'s|CSF_TclLibs_INCLUDES = -I/usr/include|CSF_TclLibs_INCLUDES = -I/usr/include/tcl8.4|' {} \;
find adm/make -name 'Makefile' -exec sed -i \
's|CSF_TclTkLibs_INCLUDES = -I/usr/include|CSF_TclTkLibs_INCLUDES = -I/usr/include/tk8.4|' {} \;
#make sure you have at least 7GB available, maybe more
time make
#real    568m35.068s
#checkinstall didnt work so well - dpkg error "empty version" ?
time sudo make install
#real     20m10.055s

#finally, get the freecad source code and compile it
cd /usr/local
sudo mkdir freecad
sudo chown $USER freecad
svn co https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk freecad
cd freecad
./autogen.sh
./configure --with-occ-include=/usr/local/OpenCASCADE/ros/inc/ \
--with-occ-lib=/usr/local/lib/
time make
checkinstall -Dy
sudo dpkg -i freecad*deb