define Py_FileSystemDefaultEncoding in native mode

Author: timfel

graalpython/com.oracle.graal.python.cext/src/capi.c

@@ -1269,7 +1269,8 @@ PyAPI_FUNC(void) initialize_graal_capi(ptr_cache_t _pythonToNative, void_ptr_cac
     initialize_hashes();
     initialize_bufferprocs();
 
-	// TODO: initialize during cext initialization doesn't work at the moment
+    // TODO: initialize during cext initialization doesn't work at the moment
+    // This is hardcoded the same way in capi_native.c
     Py_FileSystemDefaultEncoding = "utf-8"; // strdup(PyUnicode_AsUTF8(GraalPyTruffle_FileSystemDefaultEncoding()));
 
     PyTruffle_Log(PY_TRUFFLE_LOG_FINE, "initialize_graal_capi: %fs", ((double) (clock() - t)) / CLOCKS_PER_SEC);

graalpython/com.oracle.graal.python.jni/src/capi_native.c

@@ -562,3 +562,9 @@ char _PyByteArray_empty_string[] = "";
 #include "complexobject.c"
 #include "dictobject.c"
 #include "modsupport_shared.c"
+
+/*
+ * This mirrors the definition in capi.c that we us on Sulong, and needs to be
+ * fixed when that is.
+ */
+const char *Py_FileSystemDefaultEncoding = "utf-8";