#else
/* Normal invocation convention. */
+
+#if defined __DECC && __DECC_VER >= 60000000
+# include_next <stdlib.h>
+#endif
+
#ifndef _GL_STDLIB_H
#define _GL_STDLIB_H
# pragma GCC system_header
#endif
-#include @ABSOLUTE_STDLIB_H@
+#if !(defined __DECC && __DECC_VER >= 60000000)
+# include @ABSOLUTE_STDLIB_H@
+#endif
/* The definition of GL_LINK_WARNING is copied here. */