feat: Support ARM64 Windows

.github/workflows/check-full.yaml

@@ -16,20 +16,22 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - {os: windows-latest, r: 'release',  rust: 'stable-msvc'}
-          - {os: macOS-latest,   r: 'release',  rust: 'stable'     }
-          - {os: macos-15-intel, r: 'release',  rust: 'stable'     }
-          - {os: ubuntu-latest,  r: 'release',  rust: 'stable'     }
-          - {os: ubuntu-latest,  r: 'devel',    rust: 'stable'     }
-          - {os: ubuntu-latest,  r: 'release',  rust: 'nightly'    }
+          - { os: "windows-latest", r: "release", rust: "stable-msvc" }
+          - { os: "windows-11-arm", r: "release", rust: "stable-msvc", rust_target: "aarch64-pc-windows-gnullvm"}
+          - { os: "macOS-latest",   r: "release", rust: "stable" }
+          - { os: "macos-15-intel", r: "release", rust: "stable" }
+          - { os: "ubuntu-latest",  r: "release", rust: "stable" }
+          - { os: "ubuntu-latest",  r: "devel",   rust: "stable" }
+          - { os: "ubuntu-latest",  r: "release", rust: "nightly" }
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Rust
         uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.config.rust }}
+          targets: ${{ matrix.config.rust_target }}
 
       # - name: Run cargo test
       #   run: cargo test --manifest-path ./src/rust/Cargo.toml
@@ -49,8 +51,8 @@ jobs:
 
       - uses: r-lib/actions/check-r-package@v2
         env:
-          MAKEFLAGS: -j2   # cf. https://github.com/yutannihilation/string2path/pull/149
+          MAKEFLAGS: -j2 # cf. https://github.com/yutannihilation/string2path/pull/149
 
       - name: debug
         run: cat ./check/*.Rcheck/00install.out
-        if: ${{ always() }}
+        if: ${{ always() }}

NEWS.md

@@ -1,5 +1,7 @@
 # string2path (development version)
 
+* Support ARM64 Windows (#212).
+
 # string2path 0.3.1
 
 * Fix Intel macOS build (#209).

configure.win

@@ -4,6 +4,9 @@ BEFORE_CARGO_BUILD=''
 # Check the Rust installation, and abort if not available
 "${R_HOME}/bin${R_ARCH_BIN}/Rscript.exe" "./tools/configure.R"
 
+# choose the appropriate target
+TARGET="$("${R_HOME}/bin${R_ARCH_BIN}/Rscript" "tools/rustarch.R")"
+
 ret=$?
 
 if [ $ret -ne 0 ]; then
@@ -30,6 +33,7 @@ else
 fi
 
 sed \
+  -e "s|@TARGET@|${TARGET}|" \
   -e "s|@BEFORE_CARGO_BUILD@|${BEFORE_CARGO_BUILD}|" \
   -e "s|@VENDORING@|${VENDORING}|" \
   -e "s|@OFFLINE_OPTION@|${OFFLINE_OPTION}|" \

src/Makevars.win.in

@@ -1,4 +1,4 @@
-TARGET = x86_64-pc-windows-gnu
+TARGET = @TARGET@
 
 # Rtools42 doesn't have the linker in the location that cargo expects, so we
 # need to overwrite it via configuration.

tools/rustarch.R

@@ -0,0 +1,11 @@
+# The original file is in the hellorust pacakge by Jeroen Ooms, which is under the MIT license.
+# cf. https://github.com/r-rust/hellorust/blob/master/tools/rustarch.R
+arch <- if(grepl("aarch", R.version$platform)){
+  "aarch64-pc-windows-gnullvm"
+} else if(grepl("clang", Sys.getenv('R_COMPILED_BY'))){
+  "x86_64-pc-windows-gnullvm"
+} else {
+  "x86_64-pc-windows-gnu"
+}
+
+cat(arch)