b2 is the 'Boost.Build' tool used with 'Jamfile' configuration files in order to generate boost libraries. b2 is a cross-platform, open-source build system, contained in each boost distribution under tools folder.
b2 is the 'Boost.Build' tool used with 'Jamfile' configuration files in order to generate boost libraries. b2 is a cross-platform, open-source build system, contained in each boost distribution under tools folder. Refer to https://boostorg.github.io/build/