This is a part of the larger OpenDroneMap project and falls under the same license.
mkdir build
cd build
cmake -DPCL_DIR=<path/to/pcl/cmake/config/file> ..
make
build/odm_meshing -inputFile sample_data/merged.ply -outputFile sample_data/odm_mesh.ply -logFile sample_data/odm_meshing_log.txt -maxVertexCount 1000000 -octreeDepth 9 -samplesPerNode 1.0 -solverDivide 12 -verbose