oeqa/sdk: Add basic rust cargo test

Add a QA test to the SDK to test that a basic cargo build works.

[RP: Tweaked to work for multilibs and updated to match toolchain changes]

(From OE-Core rev: d0cfe587bc897e79ef01805cc9a42fbca28c883c)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/sdk/cases/rust.py

@@ -0,0 +1,33 @@
+#
+# SPDX-License-Identifier: MIT
+#
+
+import os
+import shutil
+import unittest
+
+from oeqa.core.utils.path import remove_safe
+from oeqa.sdk.case import OESDKTestCase
+
+from oeqa.utils.subprocesstweak import errors_have_output
+errors_have_output()
+
+class RustCompileTest(OESDKTestCase):
+    td_vars = ['MACHINE']
+
+    @classmethod
+    def setUpClass(self):
+        targetdir = os.path.join(self.tc.sdk_dir, "hello")
+        try:
+            os.removedirs(targetdir)
+        except OSError:
+            pass
+        shutil.copytree(os.path.join(self.tc.sdk_files_dir, "rust/hello"), targetdir)
+
+    def setUp(self):
+        machine = self.td.get("MACHINE")
+        if not self.tc.hasHostPackage("packagegroup-rust-cross-canadian-%s" % machine):
+            raise unittest.SkipTest("RustCompileTest class: SDK doesn't contain a Rust cross-canadian toolchain")
+
+    def test_cargo_build(self):
+        self._run('cd %s/hello; cargo build' % self.tc.sdk_dir)

meta/lib/oeqa/sdk/files/rust/hello/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "hello"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

meta/lib/oeqa/sdk/files/rust/hello/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, OpenEmbedded world!");
+}