1 files changed, 10 insertions, 2 deletions
diff --git a/Parser/pgenmain.c b/Parser/pgenmain.c
index 0f055d6308..d5a13fef34 100644
--- a/Parser/pgenmain.c
+++ b/Parser/pgenmain.c
@@ -27,7 +27,7 @@ int Py_VerboseFlag;
 int Py_IgnoreEnvironmentFlag;
 
 /* Forward */
-grammar *getgrammar(char *filename);
+grammar *getgrammar(const char *filename);
 
 void Py_Exit(int) _Py_NO_RETURN;
 
@@ -37,6 +37,14 @@ Py_Exit(int sts)
     exit(sts);
 }
 
+#ifdef WITH_THREAD
+/* Functions needed by obmalloc.c */
+int PyGILState_Check(void)
+{ return 1; }
+void _PyMem_DumpTraceback(int fd, const void *ptr)
+{}
+#endif
+
 int
 main(int argc, char **argv)
 {
@@ -76,7 +84,7 @@ main(int argc, char **argv)
 }
 
 grammar *
-getgrammar(char *filename)
+getgrammar(const char *filename)
 {
     FILE *fp;
     node *n;