Change manylinux default version based on target arch

src/build_options.rs

@@ -29,9 +29,8 @@ pub struct BuildOptions {
         long,
         possible_values = &["2010", "2014", "off"],
         case_insensitive = true,
-        default_value = "2010"
     )]
-    pub manylinux: Manylinux,
+    pub manylinux: Option<Manylinux>,
     #[structopt(short, long)]
     /// The python versions to build wheels for, given as the names of the
     /// interpreters. Uses autodiscovery if not explicitly set.
@@ -77,7 +76,7 @@ pub struct BuildOptions {
 impl Default for BuildOptions {
     fn default() -> Self {
         BuildOptions {
-            manylinux: Manylinux::Manylinux2010,
+            manylinux: None,
             interpreter: Some(vec![]),
             bindings: None,
             manifest_path: PathBuf::from("Cargo.toml"),
@@ -161,6 +160,9 @@ impl BuildOptions {
         }
 
         let target = Target::from_target_triple(self.target.clone())?;
+        let manylinux = self
+            .manylinux
+            .unwrap_or_else(|| target.get_default_manylinux_tag());
 
         let wheel_dir = match self.out {
             Some(ref dir) => dir.clone(),
@@ -191,7 +193,7 @@ impl BuildOptions {
             release,
             strip,
             skip_auditwheel: self.skip_auditwheel,
-            manylinux: self.manylinux,
+            manylinux,
             cargo_extra_args,
             rustc_extra_args,
             interpreter,

src/develop.rs

@@ -27,7 +27,7 @@ pub fn develop(
     let python = target.get_venv_python(&venv_dir);
 
     let build_options = BuildOptions {
-        manylinux: Manylinux::Off,
+        manylinux: Some(Manylinux::Off),
         interpreter: Some(vec![target.get_python()]),
         bindings,
         manifest_path: manifest_file.to_path_buf(),

src/target.rs

@@ -194,6 +194,16 @@ impl Target {
         }
     }
 
+    /// Returns the default Manylinux tag for this architecture
+    pub fn get_default_manylinux_tag(&self) -> Manylinux {
+        match self.arch {
+            Arch::AARCH64 | Arch::ARMV7L | Arch::POWERPC64 | Arch::POWERPC64LE => {
+                Manylinux::Manylinux2014
+            }
+            Arch::X86 | Arch::X86_64 => Manylinux::Manylinux2010,
+        }
+    }
+
     /// Returns the platform part of the tag for the wheel name for cffi wheels
     pub fn get_platform_tag(&self, manylinux: &Manylinux, universal2: bool) -> String {
         match (&self.os, &self.arch) {