bliss is an open-source tool for computing canonical labelings and automorphism groups of graphs.

This is a fork of the original software, available at https://users.aalto.fi/tjunttil/bliss (or https://github.com/digraphs/bliss for an older version). It contains some fixes useful when building bliss for SCIP.

In Linux and macOS, one can use GNU Make to compile the "bliss" executable, as well as the static and shared libraries, with

make -f Makefile-manual

If you are embedding bliss in a project that needs the automorphism group sizes as GNU Multiple Precision Arithmetic Library integers, compile with

make -f Makefile-manual gmp

On Linux and macOS with CMake installed, one can also use

cmake .
cmake --build .

To enable GNU GMP support, compile with

cmake -D USE_GMP=ON .
cmake --build .

On Windows with Visual Studio and CMake, use

cmake .
cmake --build . --config Release

To see how bliss can be called from C++, see the bliss main routine at "src/bliss.cc" and the file in the "examples" directory.