#else
/* Normal invocation convention. */
-#ifdef __DECC
+#if defined __DECC && __DECC_VER >= 60000000
# include_next <stdio.h>
#endif
#ifndef _GL_STDIO_H
#define _GL_STDIO_H
-#ifndef __DECC
+#if !(defined __DECC && __DECC_VER >= 60000000)
# include @ABSOLUTE_STDIO_H@
#endif