Use emsdk as external bazel dependency (#766)
* Makes provided bazel rules look up @emsdk workspace instead of local workspace * Uses system-specific emscripten binaries instead of defaulting to linux * Provides macros for loading emsdk dependencies (nodejs and emscripten binaries) * Unhardcodes paths in bazel rules and .sh wrappers * `update_bazel_workspace.sh` now updates `revisions.bzl` * `emscripten_deps()` can be fed with specific emscripten version * Adds external usage test Addresses #650 and #696
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@@ -17,9 +17,12 @@ HASH=$(grep "${VER}" emscripten-releases-tags.txt \
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FAILMSG="!!! scripts/update_bazel_toolchain.sh needs to be run !!!"
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# Ensure the WORKSPACE file is up to date with the latest version.
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grep ${VER} bazel/WORKSPACE || (echo ${FAILMSG} && false)
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grep ${HASH} bazel/WORKSPACE || (echo ${FAILMSG} && false)
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grep ${VER} bazel/revisions.bzl || (echo ${FAILMSG} && false)
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grep ${HASH} bazel/revisions.bzl || (echo ${FAILMSG} && false)
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cd bazel
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bazel build //hello-world:hello-world-wasm
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bazel build //hello-world:hello-world-wasm-simd
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cd test_external
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bazel build //:hello-world-wasm
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