* src/files.c (compute_base_names): When computing the output file

[bison.git] / src / system.h

diff --git a/src/system.h b/src/system.h
index 6dd83bcfa97a1757ee96bc3b9cc8640299c906ee..bdf6becb9c5d7e94352fb9da5c8349ba30c77e17 100644 (file)
--- a/src/system.h
+++ b/src/system.h
@@ -144,14 +144,22 @@ void *memrchr PARAMS ((const void *s, int c, size_t n));
 (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
 #  define __attribute__(Spec) /* empty */
 # endif
+#endif
+
 /* The __-protected variants of `format' and `printf' attributes
    are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
-#  define __format__ format
-#  define __printf__ printf
-# endif
+#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
 #endif
 
+#ifndef ATTRIBUTE_NORETURN
+# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
+#endif
+
+#ifndef ATTRIBUTE_UNUSED
+# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+#endif
 
 /*------.
 | NLS.  |
@@ -238,21 +246,15 @@ do {                                                              \
   /* VMS. */
 # define EXT_TAB       "_tab"
 # define EXT_OUTPUT    ".output"
-# define EXT_STYPE_H   "_stype"
-# define EXT_GUARD_C   "_guard"
 #else /* ! VMS */
 # ifdef MSDOS
    /* MS DOS. */
 #  define EXT_TAB      "_tab"
 #  define EXT_OUTPUT   ".out"
-#  define EXT_STYPE_H  ".sth"
-#  define EXT_GUARD_C  ".guc"
 # else /* ! MSDOS */
   /* Standard. */
 #  define EXT_TAB      ".tab"
 #  define EXT_OUTPUT   ".output"
-#  define EXT_STYPE_H  ".stype"
-#  define EXT_GUARD_C  ".guard"
 # endif /* ! MSDOS */
 #endif /* ! VMS */