Make CI and the nightly release work on Windows

.github/workflows/main.yml

@@ -11,12 +11,16 @@ jobs:
     name: Compile and Test
     strategy:
       matrix:
-        os:
-          - ubuntu-18.04
-          - macos-latest
-          # Note: we need to use pre-compiled TensorFlow Lite binaries on
-          # Windows, so ignore the Windows build for now
-          #- windows-latest
+        include:
+          - name: linux
+            os: ubuntu-18.04
+            setup_script: scripts/ci_setup.linux.sh
+          - name: windows
+            os: windows-latest
+            setup_script: scripts/ci_setup.windows.ps1
+          - name: macos
+            os: macos-latest
+            setup_script: scripts/ci_setup.macos.sh
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
@@ -28,14 +32,16 @@ jobs:
             target
             python/target
           key: ${{ runner.os }}-${{ github.workflow }}-${{ github.job }}-${{ hashFiles('**/Cargo.lock') }}
-      - name: Update Rustup
-        run: |
-          # We need to update rustup because the mac version is out of date and
-          # self-update is disabled. https://github.com/rust-lang/rustup/issues/2766
-          curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain none -y
-        if: runner.os == 'macOS'
-      - name: Setup Rust
-        run: rustup show
+      # We need to explicitly install clang and record where libclang is
+      # https://github.com/rust-lang/rust-bindgen/issues/1797
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v1
+        with:
+          version: "11.0"
+          directory: ${{ runner.temp }}/llvm
+        if: runner.os == 'Windows'
+      - name: Setup Environment
+        run: ${{ matrix.setup_script }}
       - name: Type Check
         uses: actions-rs/cargo@v1
         with:
@@ -68,14 +74,8 @@ jobs:
             ~/.cargo/git
             target
           key: ${{ runner.os }}-${{ github.workflow }}-${{ github.job }}-${{ hashFiles('**/Cargo.lock') }}
-      - name: Update Rustup
-        run: |
-          # We need to update rustup because the mac version is out of date and
-          # self-update is disabled. https://github.com/rust-lang/rustup/issues/2766
-          curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain none -y
-        if: runner.os == 'macOS'
-      - name: Setup Rust
-        run: rustup show
+      - name: Setup
+        run: scripts/ci_setup.linux.sh
       - name: Generate API Docs
         id: first_try
         uses: actions-rs/cargo@v1

.github/workflows/nightly.yml

@@ -47,14 +47,17 @@ jobs:
             os: ubuntu-18.04
             artifact_name: "target/rune.*.zip"
             asset_name: rune-linux
-          # - name: windows
-          #   os: windows-latest
-          #   artifact_name: "target/rune.*.zip"
-          #   asset_name: rune-windows
+            setup_script: scripts/ci_setup.linux.sh
+          - name: windows
+            os: windows-latest
+            artifact_name: "target/rune.*.zip"
+            asset_name: rune-windows
+            setup_script: scripts/ci_setup.windows.ps1
           - name: macos
             os: macos-latest
             artifact_name: "target/rune.*.zip"
             asset_name: rune-macos
+            setup_script: scripts/ci_setup.macos.sh
     steps:
       - uses: actions/checkout@v1
       - uses: actions/cache@v2
@@ -63,12 +66,16 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
           key: ${{ runner.os }}-${{ github.workflow }}-${{ github.job }}-${{ hashFiles('**/Cargo.lock') }}
-      - name: Setup Rust
-        run: |
-          rustup default nightly-2021-05-09
-          rustup target add wasm32-unknown-unknown
-          rustc --version --verbose
-          rustup show
+      # We need to explicitly install clang and record where libclang is
+      # https://github.com/rust-lang/rust-bindgen/issues/1797
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v1
+        with:
+          version: "11.0"
+          directory: ${{ runner.temp }}/llvm
+        if: runner.os == 'Windows'
+      - name: Setup Environment
+        run: ${{ matrix.setup_script }}
       - name: Build
         run: cargo xtask dist
         env:

scripts/ci_setup.linux.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -xe
+
+rustup show
+rustc --version --verbose
+cargo --version --verbose

scripts/ci_setup.macos.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+set -xe
+
+# We need to update rustup because the mac version is out of date and
+# self-update is disabled. https://github.com/rust-lang/rustup/issues/2766
+curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain none -y
+# Make sure rust is on our path
+source ~/.cargo/env
+
+# and now we can do the linux setup like normal
+exec "$(git rev-parse --show-toplevel)/scripts/ci_setup.linux.sh"

scripts/ci_setup.windows.ps1

@@ -0,0 +1,11 @@
+# Note: in order to compile Rune on Windows we need to explicitly install clang
+# and record where libclang is.
+# https://github.com/rust-lang/rust-bindgen/issues/1797
+
+echo "LIBCLANG_PATH=$((gcm clang).source -replace 'clang.exe')" >> $env:GITHUB_ENV
+# tflite needs C++14 or higher to generate STL bindings
+echo "BINDGEN_EXTRA_CLANG_ARGS=-std=c++17" >> $env:GITHUB_ENV
+
+rustup show
+rustc --version --verbose
+cargo --version --verbose