sergeypdev
e80c619c04
git-subtree-dir: libs/emsdk git-subtree-split: 3bcf1dcd01f040f370e10fe673a092d9ed79ebb5
100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
load(":remote_emscripten_repository.bzl", "remote_emscripten_repository")
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load(":revisions.bzl", "EMSCRIPTEN_TAGS")
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def _parse_version(v):
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return [int(u) for u in v.split(".")]
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def _empty_repository_impl(ctx):
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ctx.file("MODULE.bazel", """module(name = "{}")""".format(ctx.name))
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ctx.file("BUILD.bazel", "")
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_empty_repository = repository_rule(
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implementation = _empty_repository_impl,
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)
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def emscripten_repo_name(name):
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return "emscripten_bin_{}".format(name)
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def _emscripten_deps_impl(ctx):
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version = None
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for mod in ctx.modules:
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for config in mod.tags.config:
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if config.version and version != None:
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fail("More than one emscripten version specified!")
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version = config.version
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if version == None:
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version = "latest"
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if version == "latest":
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version = reversed(sorted(EMSCRIPTEN_TAGS.keys(), key = _parse_version))[0]
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revision = EMSCRIPTEN_TAGS[version]
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emscripten_url = "https://storage.googleapis.com/webassembly/emscripten-releases-builds/{}/{}/wasm-binaries{}.{}"
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remote_emscripten_repository(
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name = emscripten_repo_name("linux"),
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bin_extension = "",
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sha256 = revision.sha_linux,
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strip_prefix = "install",
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type = "tar.xz",
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url = emscripten_url.format("linux", revision.hash, "", "tar.xz"),
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)
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# Not all versions have a linux/arm64 release: https://github.com/emscripten-core/emsdk/issues/547
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if hasattr(revision, "sha_linux_arm64"):
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remote_emscripten_repository(
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name = emscripten_repo_name("linux_arm64"),
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bin_extension = "",
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sha256 = revision.sha_linux_arm64,
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strip_prefix = "install",
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type = "tar.xz",
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url = emscripten_url.format("linux", revision.hash, "-arm64", "tar.xz"),
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)
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else:
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_empty_repository(
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name = emscripten_repo_name("linux_arm64"),
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)
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remote_emscripten_repository(
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name = emscripten_repo_name("mac"),
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bin_extension = "",
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sha256 = revision.sha_mac,
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strip_prefix = "install",
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type = "tar.xz",
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url = emscripten_url.format("mac", revision.hash, "", "tar.xz"),
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)
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remote_emscripten_repository(
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name = emscripten_repo_name("mac_arm64"),
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bin_extension = "",
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sha256 = revision.sha_mac_arm64,
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strip_prefix = "install",
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type = "tar.xz",
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url = emscripten_url.format("mac", revision.hash, "-arm64", "tar.xz"),
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)
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remote_emscripten_repository(
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name = emscripten_repo_name("win"),
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bin_extension = ".exe",
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sha256 = revision.sha_win,
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strip_prefix = "install",
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type = "zip",
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url = emscripten_url.format("win", revision.hash, "", "zip"),
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)
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emscripten_deps = module_extension(
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tag_classes = {
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"config": tag_class(
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attrs = {
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"version": attr.string(
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doc = "Version to use. 'latest' to use latest.",
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values = ["latest"] + EMSCRIPTEN_TAGS.keys(),
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),
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},
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),
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},
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implementation = _emscripten_deps_impl,
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)
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