Auto merge of rust-lang#75914 - arlosi:aarch64-ci, r=pietroalbini

Promote aarch64-pc-windows-msvc to Tier 2 Development Platform Adds a GitHub Actions CI build for `aarch64-pc-windows-msvc` via cross-compilation on an x86_64 host. This promotes `aarch64-pc-windows-msvc` from a Tier 2 Compilation Target (std) to a Tier 2 Development Platform (std+rustc+cargo+tools). Fixes rust-lang#72881 r? `@pietroalbini`
rust-lang-ci · Oct 12, 2020 · d9b9316 · d9b9316
2 parents a8d6da3 + 0a4dc8b
commit d9b9316
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Showing 4 changed files with 28 additions and 3 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -384,7 +384,7 @@ jobs:
             os: windows-latest-xl
           - name: dist-x86_64-msvc
             env:
-              RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --host=x86_64-pc-windows-msvc --target=x86_64-pc-windows-msvc,aarch64-pc-windows-msvc --enable-full-tools --enable-profiler"
+              RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --host=x86_64-pc-windows-msvc --target=x86_64-pc-windows-msvc --enable-full-tools --enable-profiler"
               SCRIPT: python x.py dist
               DIST_REQUIRE_ALL_TOOLS: 1
             os: windows-latest-xl
@@ -394,6 +394,12 @@ jobs:
               SCRIPT: python x.py dist
               DIST_REQUIRE_ALL_TOOLS: 1
             os: windows-latest-xl
+          - name: dist-aarch64-msvc
+            env:
+              RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --host=aarch64-pc-windows-msvc --enable-full-tools --enable-profiler"
+              SCRIPT: python x.py dist
+              DIST_REQUIRE_ALL_TOOLS: 0
+            os: windows-latest-xl
           - name: dist-i686-mingw
             env:
               RUST_CONFIGURE_ARGS: "--build=i686-pc-windows-gnu --enable-full-tools --enable-profiler"

diff --git a/src/ci/github-actions/ci.yml b/src/ci/github-actions/ci.yml
@@ -597,7 +597,7 @@ jobs:
               RUST_CONFIGURE_ARGS: >-
                 --build=x86_64-pc-windows-msvc
                 --host=x86_64-pc-windows-msvc
-                --target=x86_64-pc-windows-msvc,aarch64-pc-windows-msvc
+                --target=x86_64-pc-windows-msvc
                 --enable-full-tools
                 --enable-profiler
               SCRIPT: python x.py dist
@@ -616,6 +616,18 @@ jobs:
               DIST_REQUIRE_ALL_TOOLS: 1
             <<: *job-windows-xl
 
+          - name: dist-aarch64-msvc
+            env:
+              RUST_CONFIGURE_ARGS: >-
+                --build=x86_64-pc-windows-msvc
+                --host=aarch64-pc-windows-msvc
+                --enable-full-tools
+                --enable-profiler
+              SCRIPT: python x.py dist
+              # RLS does not build for aarch64-pc-windows-msvc. See rust-lang/rls#1693
+              DIST_REQUIRE_ALL_TOOLS: 0
+            <<: *job-windows-xl
+
           - name: dist-i686-mingw
             env:
               RUST_CONFIGURE_ARGS: --build=i686-pc-windows-gnu --enable-full-tools --enable-profiler

diff --git a/src/ci/scripts/install-mingw.sh b/src/ci/scripts/install-mingw.sh
@@ -42,6 +42,13 @@ if isWindows; then
             arch=x86_64
             mingw_archive="${MINGW_ARCHIVE_64}"
             ;;
+        *aarch64*)
+            # aarch64 is a cross-compiled target. Use the x86_64
+            # mingw, since that's the host architecture.
+            bits=64
+            arch=x86_64
+            mingw_archive="${MINGW_ARCHIVE_64}"
+            ;;
         *)
             echo "src/ci/scripts/install-mingw.sh can't detect the builder's architecture"
             echo "please tweak it to recognize the builder named '${CI_JOB_NAME}'"

diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md
@@ -61,7 +61,7 @@ target | std | host | notes
 `aarch64-apple-ios` | ✓ |  | ARM64 iOS
 `aarch64-fuchsia` | ✓ |  | ARM64 Fuchsia
 `aarch64-linux-android` | ✓ |  | ARM64 Android
-`aarch64-pc-windows-msvc` | ✓ |  | ARM64 Windows MSVC
+`aarch64-pc-windows-msvc` | ✓ | ✓ | ARM64 Windows MSVC
 `aarch64-unknown-linux-gnu` | ✓ | ✓ | ARM64 Linux (kernel 4.2, glibc 2.17)
 `aarch64-unknown-linux-musl` | ✓ | ✓ | ARM64 Linux with MUSL
 `aarch64-unknown-none` | * |  | Bare ARM64, hardfloat