| load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") |
| load("@build_bazel_rules_nodejs//:index.bzl", "node_repositories", "npm_install") |
| load(":revisions.bzl", "EMSCRIPTEN_TAGS") |
| |
| def _parse_version(v): |
| return [int(u) for u in v.split(".")] |
| |
| BUILD_FILE_CONTENT_TEMPLATE = """ |
| package(default_visibility = ['//visibility:public']) |
| |
| filegroup( |
| name = "includes", |
| srcs = glob([ |
| "emscripten/cache/sysroot/include/c++/v1/**", |
| "emscripten/cache/sysroot/include/compat/**", |
| "emscripten/cache/sysroot/include/**", |
| "lib/clang/16/include/**", |
| ]), |
| ) |
| |
| filegroup( |
| name = "emcc_common", |
| srcs = [ |
| "emscripten/emcc.py", |
| "emscripten/emscripten.py", |
| "emscripten/emscripten-version.txt", |
| "emscripten/cache/sysroot_install.stamp", |
| "emscripten/src/settings.js", |
| "emscripten/src/settings_internal.js", |
| ] + glob( |
| include = [ |
| "emscripten/third_party/**", |
| "emscripten/tools/**", |
| ], |
| exclude = [ |
| "**/__pycache__/**", |
| ], |
| ), |
| ) |
| |
| filegroup( |
| name = "compiler_files", |
| srcs = [ |
| "bin/clang{bin_extension}", |
| "bin/clang++{bin_extension}", |
| ":emcc_common", |
| ":includes", |
| ], |
| ) |
| |
| filegroup( |
| name = "linker_files", |
| srcs = [ |
| "bin/clang{bin_extension}", |
| "bin/llvm-ar{bin_extension}", |
| "bin/llvm-nm{bin_extension}", |
| "bin/llvm-objcopy{bin_extension}", |
| "bin/wasm-emscripten-finalize{bin_extension}", |
| "bin/wasm-ld{bin_extension}", |
| "bin/wasm-opt{bin_extension}", |
| "bin/wasm-metadce{bin_extension}", |
| ":emcc_common", |
| ] + glob( |
| include = [ |
| "emscripten/cache/sysroot/lib/**", |
| "emscripten/node_modules/**", |
| "emscripten/src/**", |
| ], |
| ), |
| ) |
| |
| filegroup( |
| name = "ar_files", |
| srcs = [ |
| "bin/llvm-ar{bin_extension}", |
| "emscripten/emar.py", |
| "emscripten/emscripten-version.txt", |
| "emscripten/src/settings.js", |
| "emscripten/src/settings_internal.js", |
| ] + glob( |
| include = [ |
| "emscripten/tools/**", |
| ], |
| exclude = [ |
| "**/__pycache__/**", |
| ], |
| ), |
| ) |
| """ |
| |
| def emscripten_deps(emscripten_version = "latest"): |
| version = emscripten_version |
| |
| if version == "latest": |
| version = reversed(sorted(EMSCRIPTEN_TAGS.keys(), key = _parse_version))[0] |
| |
| if version not in EMSCRIPTEN_TAGS.keys(): |
| error_msg = "Emscripten version {} not found.".format(version) |
| error_msg += " Look at @emsdk//:revisions.bzl for the list " |
| error_msg += "of currently supported versions." |
| fail(error_msg) |
| |
| revision = EMSCRIPTEN_TAGS[version] |
| |
| emscripten_url = "https://storage.googleapis.com/webassembly/emscripten-releases-builds/{}/{}/wasm-binaries{}.{}" |
| |
| # This could potentially backfire for projects with multiple emscripten |
| # dependencies that use different emscripten versions |
| excludes = native.existing_rules().keys() |
| if "nodejs_toolchains" not in excludes: |
| # Node 16 is the first version that supports darwin_arm64 |
| node_repositories( |
| node_version = "16.6.2", |
| ) |
| |
| if "emscripten_bin_linux" not in excludes: |
| http_archive( |
| name = "emscripten_bin_linux", |
| strip_prefix = "install", |
| url = emscripten_url.format("linux", revision.hash, "", "tbz2"), |
| sha256 = revision.sha_linux, |
| build_file_content = BUILD_FILE_CONTENT_TEMPLATE.format(bin_extension = ""), |
| type = "tar.bz2", |
| ) |
| |
| if "emscripten_bin_mac" not in excludes: |
| http_archive( |
| name = "emscripten_bin_mac", |
| strip_prefix = "install", |
| url = emscripten_url.format("mac", revision.hash, "", "tbz2"), |
| sha256 = revision.sha_mac, |
| build_file_content = BUILD_FILE_CONTENT_TEMPLATE.format(bin_extension = ""), |
| type = "tar.bz2", |
| ) |
| |
| if "emscripten_bin_mac_arm64" not in excludes: |
| http_archive( |
| name = "emscripten_bin_mac_arm64", |
| strip_prefix = "install", |
| url = emscripten_url.format("mac", revision.hash, "-arm64", "tbz2"), |
| sha256 = revision.sha_mac_arm64, |
| build_file_content = BUILD_FILE_CONTENT_TEMPLATE.format(bin_extension = ""), |
| type = "tar.bz2", |
| ) |
| |
| if "emscripten_bin_win" not in excludes: |
| http_archive( |
| name = "emscripten_bin_win", |
| strip_prefix = "install", |
| url = emscripten_url.format("win", revision.hash, "", "zip"), |
| sha256 = revision.sha_win, |
| build_file_content = BUILD_FILE_CONTENT_TEMPLATE.format(bin_extension = ".exe"), |
| type = "zip", |
| ) |
| |
| if "emscripten_npm_linux" not in excludes: |
| npm_install( |
| name = "emscripten_npm_linux", |
| package_json = "@emscripten_bin_linux//:emscripten/package.json", |
| package_lock_json = "@emscripten_bin_linux//:emscripten/package-lock.json", |
| ) |
| |
| if "emscripten_npm_mac" not in excludes: |
| npm_install( |
| name = "emscripten_npm_mac", |
| package_json = "@emscripten_bin_mac//:emscripten/package.json", |
| package_lock_json = "@emscripten_bin_mac//:emscripten/package-lock.json", |
| ) |
| |
| if "emscripten_npm_mac_arm64" not in excludes: |
| npm_install( |
| name = "emscripten_npm_mac", |
| package_json = "@emscripten_bin_mac_arm64//:emscripten/package.json", |
| package_lock_json = "@emscripten_bin_mac_arm64//:emscripten/package-lock.json", |
| ) |
| |
| if "emscripten_npm_win" not in excludes: |
| npm_install( |
| name = "emscripten_npm_win", |
| package_json = "@emscripten_bin_win//:emscripten/package.json", |
| package_lock_json = "@emscripten_bin_win//:emscripten/package-lock.json", |
| ) |