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FuuzetsuFuuzetsu
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Bazel build files for inline-java
This is a collection of build files that work with the given WORKSPACE file. This should allow the user to run `bazel run //:spec` which will build inline-java and run the spec tests. * I'm using GHC 8.0.2 as I was unable to quickly find working 8.2.2 set. * We're taking open JDK header files from bazel but the libraries from nix. Neither exposes both: tweag/rules_nixpkgs#9 * We're repeating ourselves a lot w.r.t. prebuilt dependencies. We need to have all the packages available to GHC at WORKSPACE level then we also need to know them at BUILD level. We can't just define them in WORKSPACE and refer to them from BUILD as WORKSPACE only works in current project: if user wants to use inline-java from another project, the WORKSPACE file here is irrelevant: indeed they'll have to define all these things in their own WORKSPACE. * `rules_nixpkgs` commit points at a temporary branch which includes changes from two outstanding PRs, both of which are needed to build inline-java * `spec` target would be better as some `haskell_test` once that exists * We're giving too many shared openjdk libs during build: we only need libjvm.so and maybe libjni.so but we don't have granular control over the filegroup so we end up using every shared lib in openjdk package which is not ideal.
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‎.gitignore

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.gradle
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build/
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jni/src/Foreign/JNI.c
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bazel-*

‎BUILD

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package(default_visibility = ["//visibility:public"])
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load(
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"@io_tweag_rules_haskell//haskell:haskell.bzl",
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"haskell_binary",
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"haskell_library"
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)
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haskell_library(
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name = "inline-java",
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src_strip_prefix = "src",
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srcs = glob(['src/**/*.hs']),
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hscs = glob(['src/**/*.hsc']),
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deps = [
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"//jni",
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"//jvm"
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],
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external_deps = [
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"cbits/bctable.h"
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],
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c_sources = ["cbits/bctable.c"],
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prebuilt_dependencies = [
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"base",
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"bytestring",
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"Cabal",
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"directory",
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"filepath",
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"filemanip",
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"ghc",
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"language-java",
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"mtl",
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"process",
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"text",
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"template-haskell",
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"temporary"
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],
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build_tools = [
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"@ghc//:bin",
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],
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ghc_version = "8.0.2",
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)
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haskell_binary(
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name = "spec",
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src_strip_prefix = "tests",
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srcs = glob(["tests/**/*.hs"]),
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deps = [
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"//jni",
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"//jvm",
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":inline-java"
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],
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prebuilt_dependencies = [
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"base",
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"hspec",
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"text",
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],
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build_tools = [
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"@ghc//:bin",
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"@openjdk//:bin",
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],
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ghc_version = "8.0.2",
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)

‎WORKSPACE

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workspace(name = "inline_java")
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http_archive(
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name = "io_tweag_rules_haskell",
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strip_prefix = "rules_haskell-6258443403d1e59b1908daebec06fa329956eb3a",
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urls = ["https://github.com/tweag/rules_haskell/archive/6258443403d1e59b1908daebec06fa329956eb3a.tar.gz"]
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)
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http_archive(
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name = "io_tweag_rules_nixpkgs",
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strip_prefix = "rules_nixpkgs-5bb86a4b5b5f78accb7582de0c60079b48c9dc50",
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urls = ["https://github.com/tweag/rules_nixpkgs/archive/5bb86a4b5b5f78accb7582de0c60079b48c9dc50.tar.gz"],
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)
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load("@io_tweag_rules_nixpkgs//nixpkgs:nixpkgs.bzl", "nixpkgs_git_repository", "nixpkgs_package")
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nixpkgs_git_repository(
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name = "nixpkgs",
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revision = "17.09",
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)
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jni_prebuilt = [
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"base",
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"bytestring",
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"choice",
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"containers",
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"constraints",
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"deepseq",
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"inline-c",
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"singletons"
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]
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jvm_prebuilt = [
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"base",
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"bytestring",
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"constraints",
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"choice",
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"distributed-closure",
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"exceptions",
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"singletons",
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"text",
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"vector",
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]
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inline_java_prebuilt = [
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"base",
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"bytestring",
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"Cabal",
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"directory",
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"filepath",
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"filemanip",
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"ghc",
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"language-java",
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"mtl",
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"process",
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"text",
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"template-haskell",
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"temporary",
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"hspec",
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]
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jvm_streaming_prebuilt = [
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"base",
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"distributed-closure",
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"singletons",
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"streaming",
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"hspec",
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]
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nixpkgs_package(
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name = "ghc",
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expression = "(import <nixpkgs> {{}}).haskell.packages.ghc802.ghcWithPackages (p: with p; [{0}])".format(
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" ".join(depset(jni_prebuilt + jvm_prebuilt + inline_java_prebuilt + jvm_streaming_prebuilt).to_list())
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),
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repository = "@nixpkgs",
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)
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nixpkgs_package(
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name = "openjdk",
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repository = "@nixpkgs",
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)

‎jni/BUILD

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package(default_visibility = ["//visibility:public"])
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load(
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"@io_tweag_rules_haskell//haskell:haskell.bzl",
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"haskell_import",
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"haskell_library",
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)
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haskell_import(
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name = "openjdk",
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shared_library = "@openjdk//:lib"
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)
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haskell_library(
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name = "jni",
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src_strip_prefix = "src",
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srcs = glob(['src/**/*.hs']),
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c_sources = glob(['src/**/*.c']),
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c_options = ["-std=c11"],
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hscs = glob(['src/**/*.hsc']),
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deps = [
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":openjdk"
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],
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# https://stackoverflow.com/questions/46160790/bazel-for-jni-jni-h-file-not-found
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external_deps = [
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"@local_jdk//:jni_header",
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"@local_jdk//:jni_md_header-linux",
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],
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ghc_version = "8.0.2",
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prebuilt_dependencies = [
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"base",
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"bytestring",
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"choice",
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"containers",
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"constraints",
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"deepseq",
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"inline-c",
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"singletons",
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],
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build_tools = [
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"@ghc//:bin",
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],
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)

‎jvm-streaming/BUILD

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package(default_visibility = ["//visibility:public"])
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load(
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"@io_tweag_rules_haskell//haskell:haskell.bzl",
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"haskell_binary",
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"haskell_library",
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)
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haskell_library(
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name = "jvm-streaming",
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src_strip_prefix = "src",
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srcs = glob(['src/**/*.hs']),
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deps = [
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"//jni",
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"//:inline-java",
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"//jvm",
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],
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prebuilt_dependencies = [
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"base",
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"distributed-closure",
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"singletons",
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"streaming",
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],
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build_tools = [
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"@ghc//:bin",
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"@openjdk//:bin",
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],
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ghc_version = "8.0.2",
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)
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haskell_binary(
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name = "spec",
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src_strip_prefix = "tests",
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srcs = glob(['tests/**/*.hs']),
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deps = [
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":jvm-streaming",
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"//jvm",
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"//:inline-java",
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],
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prebuilt_dependencies = [
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"base",
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"hspec",
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"streaming",
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],
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build_tools = [
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"@ghc//:bin",
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"@openjdk//:bin",
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],
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ghc_version = "8.0.2",
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)

‎jvm/BUILD

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package(default_visibility = ["//visibility:public"])
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load(
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"@io_tweag_rules_haskell//haskell:haskell.bzl",
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"haskell_import",
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"haskell_library",
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)
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haskell_import(
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name = "openjdk",
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shared_library = "@openjdk//:lib"
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)
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haskell_library(
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name = "jvm",
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src_strip_prefix = "src",
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srcs = glob(['src/**/*.hs']),
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deps = [
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"//jni",
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":openjdk",
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],
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prebuilt_dependencies = [
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"base",
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"bytestring",
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"constraints",
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"choice",
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"distributed-closure",
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"exceptions",
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"singletons",
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"text",
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"vector",
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],
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build_tools = [
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"@ghc//:bin",
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],
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ghc_version = "8.0.2",
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)

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