Fix macOS cross compiling issue

PyO3 · Mar 4, 2022 · cc5946e · cc5946e
1 parent 4b65ad8
commit cc5946e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pyo3-build-config/src/impl_.rs b/pyo3-build-config/src/impl_.rs
@@ -623,7 +623,7 @@ pub fn cross_compiling(
     let cross_lib_dir = env_var("PYO3_CROSS_LIB_DIR");
     let cross_python_version = env_var("PYO3_CROSS_PYTHON_VERSION");
 
-    let target_triple = format!("{}-{}-{}", target_arch, target_vendor, target_os);
+    let target_triple = cargo_env_var("TARGET").ok_or("expected TARGET env var")?;
 
     if cross.is_none() && cross_lib_dir.is_none() && cross_python_version.is_none() {
         // No cross-compiling environment variables set; try to determine if this is a known case