* Added support for X11 modules.
* Makefile: change location of FORMS library.
* posixmodule.c: turn #if 0 into #ifdef MSDOS (stuff in unistd.h or not)
* Almost all .h files: added CPP magic to avoid duplicate inclusions and
to support inclusion from C++.
diff --git a/Include/errcode.h b/Include/errcode.h
index 1439c7b..d2a2ac6 100644
--- a/Include/errcode.h
+++ b/Include/errcode.h
@@ -1,3 +1,9 @@
+#ifndef Py_ERRCODE_H
+#define Py_ERRCODE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/***********************************************************
Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
@@ -34,3 +40,8 @@
#define E_NOMEM 15 /* Ran out of memory */
#define E_DONE 16 /* Parsing complete */
#define E_ERROR 17 /* Execution error */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_ERRCODE_H */