bb.edn

{:tasks
 {:requires ([babashka.fs :as fs])
  :init (do
          (def libsci (str (first (fs/glob "clj" "LibScimacs.{dylib,lib,so}"))))
          (def lib-ext (fs/extension libsci))
          (def local-lib (str "scimacs." lib-ext))
          (def uberjar "clj/target/uber.jar")
          (def rust-lib (str "target/debug/libscimacs." lib-ext)))
  javac {:doc "Build libscimacs's JVM bytecode"
         :task (when (seq (fs/modified-since uberjar ["clj/src" "clj/build.clj" "clj/deps.edn"]))
                 (clojure
                  {:dir "clj"} "-T:build libscimacs"))}
  native-image {:doc "Build native-image"
                :depends [javac]
                :task (when (seq (fs/modified-since libsci uberjar))
                        (shell
                         {:dir "clj"}
                         "native-image"
                         "-cp" "target/uber.jar"
                         "--shared"
                         "-H:Name=LibScimacs"
                         "--enable-preview"
                         "-H:+ReportExceptionStackTraces"
                         "-J-Dclojure.spec.skip-macros=true"
                         "-J-Dclojure.compiler.direct-linking=true"
                         "--verbose"
                         "--no-fallback"
                         "--no-server"
                         "-J-Xmx3g"))}
  rustc {:doc "Build Rust binary"
         :depends [native-image]
         :task (when (seq (fs/modified-since rust-lib [libsci "src" "Cargo.toml"]))
                 (shell "cargo build"))}

  all {:doc "Build all"
       :depends [rustc]
       :task (when-not (fs/exists? local-lib)
               (fs/create-sym-link local-lib rust-lib))}}}