From a84452ab457c71880e1a90cc488c314596d7d184 Mon Sep 17 00:00:00 2001
From: Jeong YunWon <jeong@youknowone.org>
Date: Tue, 23 Dec 2025 11:52:31 +0900
Subject: [PATCH] fix sysconfigdata

---
 Lib/test/test_sysconfig.py            |  1 -
 crates/vm/src/stdlib/sysconfigdata.rs | 17 +++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
index 35e62d546..965780668 100644
--- a/Lib/test/test_sysconfig.py
+++ b/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')
diff --git a/crates/vm/src/stdlib/sysconfigdata.rs b/crates/vm/src/stdlib/sysconfigdata.rs
index 90e46b83b..ee40b693a 100644
--- a/crates/vm/src/stdlib/sysconfigdata.rs
+++ b/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