X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=m4%2Fisnanf.m4;h=f4aa44d5a03e0996744851dead09ed1fa8e3fdf8;hb=0da0af8acce13bf9d0936ea5a6db8697d095bce0;hp=f1a28e86abc37a68c8ec9049f151dfbc4653c3dc;hpb=1f8c872f267bc608644d6de67aa5fab6285a8533;p=pspp

diff --git a/m4/isnanf.m4 b/m4/isnanf.m4
index f1a28e86ab..f4aa44d5a0 100644
--- a/m4/isnanf.m4
+++ b/m4/isnanf.m4
@@ -1,5 +1,5 @@
 # isnanf.m4 serial 12
-dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2011 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.
@@ -17,6 +17,7 @@ AC_DEFUN([gl_FUNC_ISNANF],
       ISNANF_LIBM=-lm
     fi
   fi
+  dnl The variable gl_func_isnanf set here is used by isnan.m4.
   if test $gl_cv_func_isnanf_no_libm = yes \
      || test $gl_cv_func_isnanf_in_libm = yes; then
     save_LIBS="$LIBS"