Add a comment.

* lib/autoconf/headers.m4 (HAVE_STDBOOL_H): Document the
2004-05-31 change also with a comment in the code.

diff --git a/ChangeLog b/ChangeLog
index f5651ff8c6d20fd17d5d0c2a365340741c51552d..11500cc35ed75d67e221559ee3aa38e1f8155e9e 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-09-22  Jim Meyering  <jim@meyering.net>
+
+       Add a comment.
+       * lib/autoconf/headers.m4 (HAVE_STDBOOL_H): Document the
+       2004-05-31 change also with a comment in the code.
+
 2007-09-20  Eric Blake  <ebb9@byu.net>
 
        More contribution housekeeping.

diff --git a/lib/autoconf/headers.m4 b/lib/autoconf/headers.m4
index 78cc032fe9d0af9fd55c90263748c9eed8d375a1..d08e64db54ce2a640156b3be9986f11ea03d997d 100644 (file)
--- a/lib/autoconf/headers.m4
+++ b/lib/autoconf/headers.m4
@@ -568,6 +568,8 @@ AC_DEFUN([AC_HEADER_STDBOOL],
        char h[sizeof (_Bool)];
        char i[sizeof s.t];
        enum { j = false, k = true, l = false * true, m = true * 256 };
+       /* The following fails for
+          HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */
        _Bool n[m];
        char o[sizeof n == m * sizeof n[0] ? 1 : -1];
        char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];