From bbc4efeba0e1d1088f904648a935419f3dff4c14 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Tue, 25 May 1993 20:41:49 +0000
Subject: [PATCH] (logb): Don't declare if hpux.

---
 src/floatfns.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/floatfns.c b/src/floatfns.c
index 999d0a86399..1b6487afae8 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -55,8 +55,10 @@ Lisp_Object Qarith_error;
 
 #include <math.h>
 
+#ifndef hpux
 /* These declarations are omitted on some systems, like Ultrix.  */
 extern double logb ();
+#endif
 
 #if defined(DOMAIN) && defined(SING) && defined(OVERFLOW)
     /* If those are defined, then this is probably a `matherr' machine. */
-- 
2.30.2