feat(android): set the Cargo target linker

Author: ririv

cibuildwheel/platforms/android.py

@@ -406,10 +406,16 @@ def setup_rust_cross_compile(
             log.notice("Not overriding CARGO_BUILD_TARGET as it has already been set")
         # No message if it was set to what we were planning to set it to
     elif cargo_target:
-        cargo_target_linker_env_name = f"CARGO_TARGET_{cargo_target.upper().replace('-', '_')}_LINKER"
-        log.notice(f"Setting CARGO_BUILD_TARGET={cargo_target} and  setting {cargo_target_linker_env_name} for cross-compilation")
+        cargo_target_linker_env_name = (
+            f"CARGO_TARGET_{cargo_target.upper().replace('-', '_')}_LINKER"
+        )
+        log.notice(
+            f"Setting CARGO_BUILD_TARGET={cargo_target} and  setting {cargo_target_linker_env_name} for cross-compilation"
+        )
         env["CARGO_BUILD_TARGET"] = cargo_target
-        env["cargo_target_linker_env_name"] = os.environ.get("CC")
+        env[f"{cargo_target_linker_env_name}"] = os.environ.get("CC")
+        log.info(f"export CARGO_BUILD_TARGET={cargo_target}")
+        log.info(f"export {cargo_target_linker_env_name}={os.environ.get('CC')}")
     else:
         log.warning(f"Unable to configure Rust cross-compilation for architecture {cargo_target}")