* 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/sysmodule.h b/Include/sysmodule.h
index 36a4499..f6e4d08 100644
--- a/Include/sysmodule.h
+++ b/Include/sysmodule.h
@@ -1,3 +1,9 @@
+#ifndef Py_SYSMODULE_H
+#define Py_SYSMODULE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/***********************************************************
Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
@@ -30,3 +36,8 @@
void initsys PROTO((void));
extern object *sys_trace, *sys_profile;
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_SYSMODULE_H */