Comments.

* m4/isnanf.m4: Add comment.
* m4/isnanl.m4: Likewise.

diff --git a/ChangeLog b/ChangeLog
index 311a864835bb68626419a4d08b507355240dfd16..59d0b9248113d22ecbb29c961e0b6451e9bdb845 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-05-08  Bruno Haible  <bruno@clisp.org>
+
+       Comments.
+       * m4/isnanf.m4: Add comment.
+       * m4/isnanl.m4: Likewise.
+
 2011-05-08  Bruno Haible  <bruno@clisp.org>
 
        glob: Remove obsolete macro.

diff --git a/m4/isnanf.m4 b/m4/isnanf.m4
index 92024bb1079ff5bc0eac12dbb49a8d53af541980..f4aa44d5a03e0996744851dead09ed1fa8e3fdf8 100644 (file)
--- a/m4/isnanf.m4
+++ b/m4/isnanf.m4
@@ -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"

diff --git a/m4/isnanl.m4 b/m4/isnanl.m4
index 5d737599271429cb93314b71412d38be3ad8bedb..4c94b4d2ab1c57536a79d0c2b626193c4e79da55 100644 (file)
--- a/m4/isnanl.m4
+++ b/m4/isnanl.m4
@@ -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"