import Lake open Lake DSL package «hep_lean» { -- add any package configuration options here } require mathlib from git "https://github.com/leanprover-community/mathlib4.git" @[default_target] lean_lib «HepLean» { -- add any library configuration options here } meta if get_config? env = some "dev" then -- dev is so not everyone has to build it require «doc-gen4» from git "https://github.com/leanprover/doc-gen4" @ "main"