load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

## LLVM

BAZEL_TOOLCHAIN_TAG = "0.7.2"

BAZEL_TOOLCHAIN_SHA = "f7aa8e59c9d3cafde6edb372d9bd25fb4ee7293ab20b916d867cd0baaa642529"

http_archive(
    name = "com_grail_bazel_toolchain",
    canonical_id = BAZEL_TOOLCHAIN_TAG,
    sha256 = BAZEL_TOOLCHAIN_SHA,
    strip_prefix = "bazel-toolchain-{tag}".format(tag = BAZEL_TOOLCHAIN_TAG),
    url = "https://github.com/grailbio/bazel-toolchain/archive/{tag}.tar.gz".format(tag = BAZEL_TOOLCHAIN_TAG),
)

load("@com_grail_bazel_toolchain//toolchain:deps.bzl", "bazel_toolchain_dependencies")

bazel_toolchain_dependencies()

load("@com_grail_bazel_toolchain//toolchain:rules.bzl", "llvm_toolchain")

LLVM_VERSION = "14.0.0"

llvm_toolchain(
    name = "llvm_toolchain",
    llvm_version = LLVM_VERSION,
)

# This sysroot is used by github.com/vsco/bazel-toolchains.
http_archive(
    name = "org_chromium_sysroot_linux_x64",
    build_file_content = """
filegroup(
  name = "sysroot",
  srcs = glob(["*/**"]),
  visibility = ["//visibility:public"],
)
""",
    sha256 = "84656a6df544ecef62169cfe3ab6e41bb4346a62d3ba2a045dc5a0a2ecea94a3",
    urls = ["https://commondatastorage.googleapis.com/chrome-linux-sysroot/toolchain/2202c161310ffde63729f29d27fe7bb24a0bc540/debian_stretch_amd64_sysroot.tar.xz"],
)

llvm_toolchain(
    name = "llvm_toolchain_with_sysroot",
    llvm_version = LLVM_VERSION,
    sysroot = {
        "linux-x86_64": "@org_chromium_sysroot_linux_x64//:sysroot",
    },
    # We can share the downloaded LLVM distribution with the first configuration.
    toolchain_roots = {
        "": "@llvm_toolchain_llvm//",
    },
)

load("@llvm_toolchain_with_sysroot//:toolchains.bzl", "llvm_register_toolchains")

#llvm_register_toolchains()

### ZIG

HERMETIC_CC_TOOLCHAIN_VERSION = "v2.0.0-rc1"

http_archive(
    name = "hermetic_cc_toolchain",
    sha256 = "43a1b398f08109c4f03b9ba2b3914bd43d1fec0425f71b71f802bf3f78cee0c2",
    urls = [
        "https://mirror.bazel.build/github.com/uber/hermetic_cc_toolchain/releases/download/{0}/{0}.tar.gz".format(HERMETIC_CC_TOOLCHAIN_VERSION),
        "https://github.com/uber/hermetic_cc_toolchain/releases/download/{0}/{0}.tar.gz".format(HERMETIC_CC_TOOLCHAIN_VERSION),
    ],
)

load("@hermetic_cc_toolchain//toolchain:defs.bzl", zig_toolchains = "toolchains")

zig_toolchains(
    #host_platform_sha256 = {
    #    "linux-aarch64": "",
    #    "linux-x86_64": "637d0f87b2cb409e1fad28e1f65a4f3645ecda467e4e2f96fe9c6959937f7c93",
    #    "macos-aarch64": "",
    #    "macos-x86_64": "",
    #    "windows-x86_64": "",
    #},
    ## first "unofficial release" with multi-for syntax and still on llvm15
    #version = "0.11.0-dev.2336+5b82b4004",
)


register_toolchains(
    # amd64 toolchains for libc-aware platforms:
    "@zig_sdk//libc_aware/toolchain:linux_amd64_gnu.2.19",
    "@zig_sdk//libc_aware/toolchain:linux_amd64_gnu.2.28",
    "@zig_sdk//libc_aware/toolchain:linux_amd64_gnu.2.31",
    "@zig_sdk//libc_aware/toolchain:linux_amd64_musl",
    # arm64 toolchains for libc-aware platforms:
    "@zig_sdk//libc_aware/toolchain:linux_arm64_gnu.2.28",
    "@zig_sdk//libc_aware/toolchain:linux_arm64_musl",
)