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-rw-r--r--lib/alloca_.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/lib/alloca_.h b/lib/alloca_.h
index 10995510e..799037ce0 100644
--- a/lib/alloca_.h
+++ b/lib/alloca_.h
@@ -18,12 +18,10 @@
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA. */
-/* When this file is included, it may be preceded only by preprocessor
- declarations. Thanks to AIX. Therefore we include it right after
- "config.h", not later. */
-
-#ifndef _ALLOCA_H
-# define _ALLOCA_H
+/* Avoid using the symbol _ALLOCA_H here, as Bison assumes _ALLOCA_H
+ means there is a real alloca function. */
+#ifndef _GNULIB_ALLOCA_H
+# define _GNULIB_ALLOCA_H
/* alloca (N) returns a pointer to N bytes of memory
allocated on the stack, which will last until the function returns.
@@ -51,4 +49,4 @@ extern "C"
void *alloca (size_t);
#endif
-#endif /* _ALLOCA_H */
+#endif /* _GNULIB_ALLOCA_H */