Add additional ARM targets to release (#2417)

Closes https://github.com/astral-sh/uv/issues/2415.
Closes https://github.com/astral-sh/uv/issues/2416.

.github/workflows/build-binaries.yml

@@ -272,6 +272,10 @@ jobs:
             maturin_docker_options: -e JEMALLOC_SYS_WITH_LG_PAGE=16
           - target: armv7-unknown-linux-gnueabihf
             arch: armv7
+          - target: armv7-unknown-linux-musleabihf
+            arch: armv7
+          - target: arm-unknown-linux-musleabihf
+            arch: arm
 
     steps:
       - uses: actions/checkout@v4
@@ -284,15 +288,15 @@ jobs:
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.platform.target }}
-          manylinux: 2_28
+          # On `aarch64`, use `manylinux: 2_28`; otherwise, use `manylinux: auto`.
+          manylinux: ${{ matrix.platform.arch == 'aarch64' && '2_28' || 'auto' }}
           docker-options: ${{ matrix.platform.maturin_docker_options }}
           args: --release --locked --out dist
       - uses: uraimo/run-on-arch-action@v2
-        if: matrix.platform.arch != 'ppc64'
         name: Test wheel
         with:
-          arch: ${{ matrix.platform.arch }}
+          arch: ${{ matrix.platform.arch == 'arm' && 'armv6' || matrix.platform.arch }}
-          distro: ubuntu20.04
+          distro: ${{ matrix.platform.arch == 'arm' && 'bullseye' || 'ubuntu20.04' }}
           githubToken: ${{ github.token }}
           install: |
             apt-get update
@@ -302,6 +306,8 @@ jobs:
             pip3 install ${{ env.PACKAGE_NAME }} --no-index --find-links dist/ --force-reinstall
             ${{ env.MODULE_NAME }} --help
       - name: "Upload wheels"
+        # Skip for `arm`, which is not supported by PyPI.
+        if: ${{ matrix.platform.arch != 'arm' }}
         uses: actions/upload-artifact@v4
         with:
           name: wheels-${{ matrix.platform.target }}
@@ -534,8 +540,6 @@ jobs:
           - target: aarch64-unknown-linux-musl
             arch: aarch64
             maturin_docker_options: -e JEMALLOC_SYS_WITH_LG_PAGE=16
-          - target: armv7-unknown-linux-musleabihf
-            arch: armv7
 
     steps:
       - uses: actions/checkout@v4

Cargo.toml

@@ -172,7 +172,7 @@ windows-archive = ".zip"
 # The archive format to use for non-windows builds (defaults .tar.xz)
 unix-archive = ".tar.gz"
 # Target platforms to build apps for (Rust target-triple syntax)
-targets = ["aarch64-unknown-linux-gnu", "x86_64-unknown-linux-gnu", "i686-unknown-linux-gnu", "aarch64-apple-darwin", "x86_64-apple-darwin", "aarch64-unknown-linux-musl", "x86_64-unknown-linux-musl", "i686-unknown-linux-musl", "x86_64-pc-windows-msvc", "i686-pc-windows-msvc", "armv7-unknown-linux-gnueabihf", "powerpc64-unknown-linux-gnu", "powerpc64le-unknown-linux-gnu", "s390x-unknown-linux-gnu"]
+targets = ["aarch64-unknown-linux-gnu", "x86_64-unknown-linux-gnu", "i686-unknown-linux-gnu", "aarch64-apple-darwin", "x86_64-apple-darwin", "aarch64-unknown-linux-musl", "x86_64-unknown-linux-musl", "i686-unknown-linux-musl", "x86_64-pc-windows-msvc", "i686-pc-windows-msvc", "armv7-unknown-linux-gnueabihf", "powerpc64-unknown-linux-gnu", "powerpc64le-unknown-linux-gnu", "s390x-unknown-linux-gnu", "armv7-unknown-linux-musleabihf", "arm-unknown-linux-musleabihf"]
 # Whether to auto-include files like READMEs and CHANGELOGs (default true)
 auto-includes = false
 # Whether cargo-dist should create a Github Release or use an existing draft

crates/platform-tags/src/platform.rs

@@ -75,6 +75,7 @@ impl fmt::Display for Os {
 pub enum Arch {
     #[serde(alias = "arm64")]
     Aarch64,
+    Armv6L,
     Armv7L,
     Powerpc64Le,
     Powerpc64,
@@ -89,6 +90,7 @@ impl fmt::Display for Arch {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match *self {
             Self::Aarch64 => write!(f, "aarch64"),
+            Self::Armv6L => write!(f, "armv6l"),
             Self::Armv7L => write!(f, "armv7l"),
             Self::Powerpc64Le => write!(f, "ppc64le"),
             Self::Powerpc64 => write!(f, "ppc64"),
@@ -100,13 +102,18 @@ impl fmt::Display for Arch {
 }
 
 impl Arch {
-    /// Returns the oldest possible Manylinux tag for this architecture
+    /// Returns the oldest possible `manylinux` tag for this architecture, if it supports
-    pub fn get_minimum_manylinux_minor(&self) -> u16 {
+    /// `manylinux`.
+    pub fn get_minimum_manylinux_minor(&self) -> Option<u16> {
         match self {
             // manylinux 2014
-            Self::Aarch64 | Self::Armv7L | Self::Powerpc64 | Self::Powerpc64Le | Self::S390X => 17,
+            Self::Aarch64 | Self::Armv7L | Self::Powerpc64 | Self::Powerpc64Le | Self::S390X => {
+                Some(17)
+            }
             // manylinux 1
-            Self::X86 | Self::X86_64 => 5,
+            Self::X86 | Self::X86_64 => Some(5),
+            // unsupported
+            Self::Armv6L => None,
         }
     }
 }

crates/platform-tags/src/tags.rs

@@ -336,18 +336,19 @@ fn compatible_tags(platform: &Platform) -> Result<Vec<String>, PlatformError> {
     let platform_tags = match (&os, arch) {
         (Os::Manylinux { major, minor }, _) => {
             let mut platform_tags = vec![format!("linux_{}", arch)];
-            platform_tags.extend(
+            if let Some(min_minor) = arch.get_minimum_manylinux_minor() {
-                (arch.get_minimum_manylinux_minor()..=*minor)
+                platform_tags.extend(
-                    .map(|minor| format!("manylinux_{major}_{minor}_{arch}")),
+                    (min_minor..=*minor).map(|minor| format!("manylinux_{major}_{minor}_{arch}")),
-            );
+                );
-            if (arch.get_minimum_manylinux_minor()..=*minor).contains(&12) {
+                if (min_minor..=*minor).contains(&12) {
-                platform_tags.push(format!("manylinux2010_{arch}"));
+                    platform_tags.push(format!("manylinux2010_{arch}"));
-            }
+                }
-            if (arch.get_minimum_manylinux_minor()..=*minor).contains(&17) {
+                if (min_minor..=*minor).contains(&17) {
-                platform_tags.push(format!("manylinux2014_{arch}"));
+                    platform_tags.push(format!("manylinux2014_{arch}"));
-            }
+                }
-            if (arch.get_minimum_manylinux_minor()..=*minor).contains(&5) {
+                if (min_minor..=*minor).contains(&5) {
-                platform_tags.push(format!("manylinux1_{arch}"));
+                    platform_tags.push(format!("manylinux1_{arch}"));
+                }
             }
             platform_tags
         }