Update Emscripten targets to latest official Docker image

.github/workflows/ci.yml

@@ -154,6 +154,9 @@ jobs:
             - { target: x86_64-linux-android,             os: ubuntu-latest,  cpp: 1,           std: 1, run: 1 }
             - { target: x86_64-pc-windows-gnu,            os: ubuntu-latest,  cpp: 1,           std: 1, run: 1 }
             - { target: i686-pc-windows-gnu,              os: ubuntu-latest,  cpp: 1,           std: 1, run: 1 }
+            # Disabled, see rust-lang/rust#85821
+            #- { target: asmjs-unknown-emscripten,         os: ubuntu-latest,                    std: 1, run: 1 }
+            #- { target: wasm32-unknown-emscripten,        os: ubuntu-latest,                    std: 1, run: 1 }
             # Disabled, see #396
             #-{ target: x86_64-unknown-dragonfly,          os: ubuntu-latest,  cpp: 1, dylib: 1 }
             - { target: i686-unknown-freebsd,             os: ubuntu-latest,          dylib: 1, std: 1 }
@@ -162,10 +165,6 @@ jobs:
             # Disabled, see #534
             #-{ target: sparcv9-sun-solaris,              os: ubuntu-latest,  cpp: 1, dylib: 1, std: 1 }
             #-{ target: x86_64-sun-solaris,               os: ubuntu-latest,  cpp: 1, dylib: 1, std: 1 }
-            # Disabled, see #634
-            #-{ target: asmjs-unknown-emscripten,         os: ubuntu-latest,                    std: 1, run: 1 }
-            # `cargo run` fails with an assertion error (https://github.com/rust-lang/cargo/issues/4689) on `wasm32-unknown-emscripten`.
-            #-{ target: wasm32-unknown-emscripten,        os: ubuntu-latest,                    std: 1 }
             - { target: thumbv6m-none-eabi,               os: ubuntu-latest,                    std: 1 }
             - { target: thumbv7em-none-eabi,              os: ubuntu-latest,                    std: 1 }
             - { target: thumbv7em-none-eabihf,            os: ubuntu-latest,                    std: 1 }

CHANGELOG.md

@@ -5,6 +5,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+- #709 - Update Emscripten targets to `emcc` version 3.1.10
 - #707, #708 - Set `BINDGEN_EXTRA_CLANG_ARGS` environment variable to pass sysroot to `rust-bindgen`
 - #696 - bump freebsd to 12.3
 - #629 - Update Android NDK version and API version

README.md

@@ -277,6 +277,7 @@ terminate.
 | `armv7-linux-androideabi` [2]        | 9.0.0  | 4.9     | ✓   | 5.1.0 |   ✓    |
 | `armv7-unknown-linux-gnueabihf`      | 2.15   | 4.6.2   | ✓   | 5.1.0 |   ✓    |
 | `armv7-unknown-linux-musleabihf`     | 1.1.20 | 6.3.0   |     | 5.1.0 |   ✓    |
+| `asmjs-unknown-emscripten` [6]       | 1.2.2  | 3.1.10  | ✓   | N/A   |   ✓    |
 | `i586-unknown-linux-gnu`             | 2.23   | 5.3.1   | ✓   | N/A   |   ✓    |
 | `i586-unknown-linux-musl`            | 1.1.20 | 6.3.0   |     | N/A   |   ✓    |
 | `i686-unknown-freebsd` [4]           | 12.1   | 6.4.0   |     | N/A   |   ✓    |
@@ -301,7 +302,7 @@ terminate.
 | `thumbv7em-none-eabi` [5]            | 2.2.0  | 5.3.1   |     | N/A   |        |
 | `thumbv7em-none-eabihf` [5]          | 2.2.0  | 5.3.1   |     | N/A   |        |
 | `thumbv7m-none-eabi` [5]             | 2.2.0  | 5.3.1   |     | N/A   |        |
-| `wasm32-unknown-emscripten` [6]      | 1.1.15 | 1.37.13 | ✓   | N/A   |   ✓    |
+| `wasm32-unknown-emscripten` [6]      | 1.2.2  | 3.1.10  | ✓   | N/A   |   ✓    |
 | `x86_64-linux-android` [2]           | 9.0.0  | 4.9     | ✓   | 5.1.0 |   ✓    |
 | `x86_64-pc-windows-gnu`              | N/A    | 7.3.0   | ✓   | N/A   |   ✓    |
 | `x86_64-sun-solaris` [4]             | 2.11   | 5.3.0   | ✓   | N/A   |        |
@@ -326,8 +327,7 @@ terminate.
 
 [5] libc = newlib
 
-[6] libc = musl, gcc = emcc; Some projects that use libc may fail due to wrong
-    definitions (will be fixed by https://github.com/rust-lang/libc/pull/610)
+[6] libc = musl, gcc = emcc
 
 ## Debugging
 

docker/Dockerfile.asmjs-unknown-emscripten

@@ -1,4 +1,5 @@
-FROM ubuntu:16.04
+FROM emscripten/emsdk:3.1.10
+WORKDIR /
 ARG DEBIAN_FRONTEND=noninteractive
 
 COPY common.sh lib.sh /
@@ -10,25 +11,9 @@ RUN /cmake.sh
 COPY xargo.sh /
 RUN /xargo.sh
 
-COPY --from=trzeci/emscripten:1.39.20-upstream /emsdk_portable /emsdk_portable
-
-ENV EMSDK /emsdk_portable
-ENV EMSCRIPTEN=${EMSDK}/emscripten/sdk
-
-ENV EM_DATA ${EMSDK}/.data
-ENV EM_CONFIG ${EMSDK}/.emscripten
-ENV EM_CACHE ${EM_DATA}/cache
-ENV EM_PORTS ${EM_DATA}/ports
-
-ENV PATH="${EMSDK}:${EMSDK}/emscripten/sdk:${EMSDK}/llvm/clang/bin:${EMSDK}/node/current/bin:${EMSDK}/binaryen/bin:${PATH}"
-
-ENTRYPOINT ["/emsdk_portable/entrypoint"]
-
 RUN apt-get update && apt-get update && apt-get install --assume-yes --no-install-recommends \
   libxml2 \
   python
 
-ENV CARGO_TARGET_ASMJS_UNKNOWN_EMSCRIPTEN_RUNNER=node
-
-# Prevent 'wasm2js does not support source maps yet' error.
-ENV RUSTFLAGS='-C debuginfo=0'
+ENV CARGO_TARGET_ASMJS_UNKNOWN_EMSCRIPTEN_RUNNER=node \
+  BINDGEN_EXTRA_CLANG_ARGS_asmjs_unknown_emscripten="--sysroot=/emsdk/upstream/emscripten/cache/sysroot"

docker/Dockerfile.wasm32-unknown-emscripten

@@ -1,4 +1,5 @@
-FROM ubuntu:16.04
+FROM emscripten/emsdk:3.1.10
+WORKDIR /
 ARG DEBIAN_FRONTEND=noninteractive
 
 COPY common.sh lib.sh /
@@ -10,22 +11,9 @@ RUN /cmake.sh
 COPY xargo.sh /
 RUN /xargo.sh
 
-COPY --from=trzeci/emscripten:1.39.20-upstream /emsdk_portable /emsdk_portable
-
-ENV EMSDK /emsdk_portable
-ENV EMSCRIPTEN=${EMSDK}/emscripten/sdk
-
-ENV EM_DATA ${EMSDK}/.data
-ENV EM_CONFIG ${EMSDK}/.emscripten
-ENV EM_CACHE ${EM_DATA}/cache
-ENV EM_PORTS ${EM_DATA}/ports
-
-ENV PATH="${EMSDK}:${EMSDK}/emscripten/sdk:${EMSDK}/llvm/clang/bin:${EMSDK}/node/current/bin:${EMSDK}/binaryen/bin:${PATH}"
-
-ENTRYPOINT ["/emsdk_portable/entrypoint"]
-
 RUN apt-get update && apt-get install --assume-yes --no-install-recommends \
   libxml2 \
   python
 
-ENV CARGO_TARGET_WASM32_UNKNOWN_EMSCRIPTEN_RUNNER=node
+ENV CARGO_TARGET_WASM32_UNKNOWN_EMSCRIPTEN_RUNNER=node \
+  BINDGEN_EXTRA_CLANG_ARGS_wasm32_unknown_emscripten="--sysroot=/emsdk/upstream/emscripten/cache/sysroot"