git clone git://git.sv.gnu.org/libredwg.git
sudo apt-get install gcc
sudo apt-get install autoconf
sudo apt-get install libtool
sudo apt-get install swig
sudo apt-get install swig.-doc 
sudo apt-get install swig.
sudo apt-get install python-dev
sudo apt-get install texinfo
sudo apt-get install texinfo-doc-nonfree 
cd libredwg/
sh autogen.sh 
./configure --enable-trace 
make
sudo make install
make check
cd examples/
./testSVG sample.dwg  > yourconverteddwgfile.svg