default_pre_build &&

touch src/cpp/empty.cpp &&

sed -i -e 's/flann_cpp SHARED \"\"/flann_cpp SHARED \"empty\.cpp\"/g' src/cpp/CMakeLists.txt &&
sed -i -e 's/flann SHARED \"\"/flann SHARED \"empty\.cpp\"/g' src/cpp/CMakeLists.txt &&

OPTS+=" -DBUILD_EXAMPLES=0"
