Reinstate _AC_CHECK_HEADER_OLD for gcc.
commita5a584d9e86861d64ff5df7e2a8c88dc6016fd07
authorEric Blake <ebb9@byu.net>
Mon, 15 Jun 2009 12:21:06 +0000 (15 06:21 -0600)
committerEric Blake <ebb9@byu.net>
Mon, 15 Jun 2009 12:59:00 +0000 (15 06:59 -0600)
tree497f36e05bda1bd7eb4e17a7d102758cf5f4e2c6
parentcafdba3139a2f7dfa706b35d9c8f35298896d1b2
Reinstate _AC_CHECK_HEADER_OLD for gcc.

* lib/autoconf/headers.m4 (_AC_CHECK_HEADER_NEW)
(_AC_CHECK_HEADER_OLD): Provide autoupdate versions, since gcc and
others used these undocumented macros.
Reported by Ralf Wildenhues.

Signed-off-by: Eric Blake <ebb9@byu.net>
ChangeLog
lib/autoconf/headers.m4