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-rw-r--r--include/obstack.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/obstack.h b/include/obstack.h
index 2a708c53a..071acaff0 100644
--- a/include/obstack.h
+++ b/include/obstack.h
@@ -353,7 +353,7 @@ extern int obstack_exit_failure;
/* NextStep 2.0 cc is really gcc 1.93 but it defines __GNUC__ = 2 and
does not implement __extension__. But that compiler doesn't define
__GNUC_MINOR__. */
-# if __GNUC__ < 2 || (__NeXT__ && !__GNUC_MINOR__)
+# if __GNUC__ < 2 || (defined __NeXT__ && __NeXT__ && !__GNUC_MINOR__)
# define __extension__
# endif