From 3c60251582fc71ab7bc4ec1dd24642250e0c6287 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Thu, 28 Apr 1994 19:37:53 +0000
Subject: [PATCH] (logb): Test HPUX, not hpux.

---
 src/floatfns.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/floatfns.c b/src/floatfns.c
index 145cae04741..10767e271fd 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -76,9 +76,9 @@ Lisp_Object Qarith_error;
 #include <math.h>
 
 /* This declaration is omitted on some systems, like Ultrix.  */
-#if !defined (hpux) && defined (HAVE_LOGB)
+#if !defined (HPUX) && defined (HAVE_LOGB)
 extern double logb ();
-#endif /* !hpux && HAVE_LOGB */
+#endif /* not HPUX and HAVE_LOGB */
 
 #ifndef MSDOS
 #if defined(DOMAIN) && defined(SING) && defined(OVERFLOW)
-- 
2.39.5