Don't guard DOMAIN && SING && OVERFLOW check by an #ifndef MSDOS.

diff --git a/src/floatfns.c b/src/floatfns.c
index 42d315d208a57899a5816573f857a2f7229aa4f5..8bfb8814b6f858508385206b20fe87cad3599f7f 100644 (file)
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -77,14 +77,12 @@ Lisp_Object Qarith_error;
 extern double logb ();
 #endif /* not HPUX and HAVE_LOGB */
 
-#ifndef MSDOS
 #if defined(DOMAIN) && defined(SING) && defined(OVERFLOW)
     /* If those are defined, then this is probably a `matherr' machine. */
 # ifndef HAVE_MATHERR
 #  define HAVE_MATHERR
 # endif
 #endif
-#endif
 
 #ifdef NO_MATHERR
 #undef HAVE_MATHERR