fix sysconfigdata

Lib/test/test_sysconfig.py

@@ -447,7 +447,6 @@ class TestSysConfig(unittest.TestCase):
             _main()
         self.assertTrue(len(output.getvalue().split('\n')) > 0)
 
-    @unittest.expectedFailure # TODO: RUSTPYTHON
     @unittest.skipIf(sys.platform == "win32", "Does not apply to Windows")
     def test_ldshared_value(self):
         ldflags = sysconfig.get_config_var('LDFLAGS')

crates/vm/src/stdlib/sysconfigdata.rs

@@ -1,3 +1,5 @@
+// spell-checker: words LDSHARED ARFLAGS CPPFLAGS CCSHARED BASECFLAGS BLDSHARED
+
 pub(crate) use _sysconfigdata::make_module;
 
 #[pymodule]
@@ -18,6 +20,21 @@ pub(crate) mod _sysconfigdata {
             "MULTIARCH" => MULTIARCH,
             // enough for tests to stop expecting urandom() to fail after restricting file resources
             "HAVE_GETRANDOM" => 1,
+            // Compiler configuration for native extension builds
+            "CC" => "cc",
+            "CXX" => "c++",
+            "CFLAGS" => "",
+            "CPPFLAGS" => "",
+            "LDFLAGS" => "",
+            "LDSHARED" => "cc -shared",
+            "CCSHARED" => "",
+            "SHLIB_SUFFIX" => ".so",
+            "SO" => ".so",
+            "AR" => "ar",
+            "ARFLAGS" => "rcs",
+            "OPT" => "",
+            "BASECFLAGS" => "",
+            "BLDSHARED" => "cc -shared",
         }
         include!(concat!(env!("OUT_DIR"), "/env_vars.rs"));
         vars