relocatable-prog-wrapper: Fix possible link error.

[gnulib.git] / m4 / isnanf.m4

diff --git a/m4/isnanf.m4 b/m4/isnanf.m4
index f1a28e8..f4aa44d 100644 (file)
--- 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"