*** empty log message ***

1 files changed, 4 insertions, 1 deletions

diff --git a/src/regex.h b/src/regex.h
index 6ae4f198983..87824ef474f 100644
--- a/src/regex.h
+++ b/src/regex.h
@@ -378,14 +378,17 @@ typedef struct
    unfortunately clutters up the declarations a bit, but I think it's
    worth it.
    
-   We also have to undo `const' if we are not ANSI.  */
+   We also have to undo `const' if we are not ANSI and if it hasn't
+   previously being taken care of.  */
 
 #if __STDC__
 #define _RE_ARGS(args) args
 #else
 #define _RE_ARGS(args) ()
+#ifndef const
 #define const
 #endif
+#endif
 
 /* Sets the current default syntax to SYNTAX, and return the old syntax.
    You can also simply assign to the `re_syntax_options' variable.  */