X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffpieee.m4;h=97941bb472256ebea2d1e13c2951320b536587de;hb=a7f78b10889cd4bad2a56f110cf4177446eef3bb;hp=7d7eac7c4271ec94791c88bdaef410d89f01c983;hpb=3030c5b5e0a5199e16b05927da72c43c42f211c3;p=gnulib.git

diff --git a/m4/fpieee.m4 b/m4/fpieee.m4
index 7d7eac7c4..97941bb47 100644
--- a/m4/fpieee.m4
+++ b/m4/fpieee.m4
@@ -1,5 +1,5 @@
-# fpieee.m4 serial 1
-dnl Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+# fpieee.m4 serial 2
+dnl Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -36,9 +36,11 @@ AC_DEFUN([gl_FP_IEEE],
       # <http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51B_HTML/MAN/MAN3/0600____.HTM>
       if test -n "$GCC"; then
         # GCC has the option -mieee.
+        # For full IEEE compliance (rarely needed), use option -mieee-with-inexact.
         CPPFLAGS="$CPPFLAGS -mieee"
       else
-        # Compaq (ex-DEC) C has the option -ieee.
+        # Compaq (ex-DEC) C has the option -ieee, equivalent to -ieee_with_no_inexact.
+        # For full IEEE compliance (rarely needed), use option -ieee_with_inexact.
         CPPFLAGS="$CPPFLAGS -ieee"
       fi
       ;;