fix sysconfigdata

Author: youknowone

crates/vm/src/stdlib/sysconfigdata.rs

@@ -18,6 +18,21 @@ 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