X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fisnanl.m4;h=4c94b4d2ab1c57536a79d0c2b626193c4e79da55;hb=c9ff025783e5374226ffbf7940f40ce7db6852ed;hp=0f425a11db30cc300dfe5e64a1ff443ed0ab466d;hpb=1f8c872f267bc608644d6de67aa5fab6285a8533;p=gnulib.git

diff --git a/m4/isnanl.m4 b/m4/isnanl.m4
index 0f425a11d..4c94b4d2a 100644
--- a/m4/isnanl.m4
+++ b/m4/isnanl.m4
@@ -1,5 +1,5 @@
 # isnanl.m4 serial 14
-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.
@@ -15,6 +15,7 @@ AC_DEFUN([gl_FUNC_ISNANL],
       ISNANL_LIBM=-lm
     fi
   fi
+  dnl The variable gl_func_isnanl set here is used by isnan.m4.
   if test $gl_cv_func_isnanl_no_libm = yes \
      || test $gl_cv_func_isnanl_in_libm = yes; then
     save_LIBS="$LIBS"