From: Brian Fox <bfox@gnu.org>
Date: Mon, 25 Oct 1993 04:54:54 +0000 (+0000)
Subject: Declare `logb' only if HAVE_LOGB is defined.
X-Git-Tag: emacs-19.34~10970
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=32085e8e568c0aab59e5f7dec4f61315fa4a2964;p=emacs.git

Declare `logb' only if HAVE_LOGB is defined.
---

diff --git a/src/floatfns.c b/src/floatfns.c
index 5cc499979f8..b31f0baee27 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -65,10 +65,10 @@ Lisp_Object Qarith_error;
 
 #include <math.h>
 
-#ifndef hpux
-/* These declarations are omitted on some systems, like Ultrix.  */
+/* This declaration is omitted on some systems, like Ultrix.  */
+#if !defined (hpux) && defined (HAVE_LOGB)
 extern double logb ();
-#endif
+#endif /* !hpux && HAVE_LOGB */
 
 #if defined(DOMAIN) && defined(SING) && defined(OVERFLOW)
     /* If those are defined, then this is probably a `matherr' machine. */