2011-10-09 Bruno Haible <bruno@clisp.org>
+ Ensure that HAVE_* variables are set to 1 before they are set to 0.
+ * m4/fdopendir.m4 (gl_FUNC_FDOPENDIR): Require gl_DIRENT_H_DEFAULTS.
+ * m4/inet_ntop.m4 (gl_FUNC_INET_NTOP): Require gl_ARPA_INET_H_DEFAULTS.
+ * m4/inet_pton.m4 (gl_FUNC_INET_PTON): Likewise.
+ * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK): Require
+ gl_SIGNAL_H_DEFAULTS.
+
+2011-10-09 Bruno Haible <bruno@clisp.org>
+
poll: Make macro safer.
* m4/poll.m4 (gl_FUNC_POLL): Complain if, after invoking gl_POLL_H,
ac_cv_header_poll_h is not set.