From: Richard M. Stallman <rms@gnu.org>
Date: Wed, 11 May 1994 00:17:44 +0000 (+0000)
Subject: Don't declare logb if it is a macro.
X-Git-Tag: emacs-19.34~8405
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7a4720e25a6a0fcbaff7981d1c0d1ef955cf5403;p=emacs.git

Don't declare logb if it is a macro.
---

diff --git a/src/floatfns.c b/src/floatfns.c
index 8bfb8814b6f..66eb303b1d7 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -73,9 +73,9 @@ 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) && !defined (logb)
 extern double logb ();
-#endif /* not HPUX and HAVE_LOGB */
+#endif /* not HPUX and HAVE_LOGB and no logb macro */
 
 #if defined(DOMAIN) && defined(SING) && defined(OVERFLOW)
     /* If those are defined, then this is probably a `matherr' machine. */