Remove compat macros now present in onceonly.m4

ChangeLog

+Tue Apr 29 12:32:28 EST 2008 Daniel P. Berrange <berrange@redhat.com>
+
+	* configure.in: Remove compatability macros AC_CHECK_*_ONCE for
+	now part of onceonly.m4 in gnulib/m4/
+
 Wed Apr 29 18:10:00 CEST 2008 Jim Meyering <meyering@redhat.com>
 
 	update from gnulib, again

configure.in

@@ -41,17 +41,6 @@ m4_ifndef([m4_foreach_w],
   [m4_define([m4_foreach_w],
     [m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
 
-dnl Compatability macros for RHEL-5 era autoconf
-m4_ifndef([AC_CHECK_HEADERS_ONCE],
-  [m4_define([AC_CHECK_HEADERS_ONCE],
-    [AC_CHECK_HEADERS([$1])])])
-m4_ifndef([AC_CHECK_DECLS_ONCE],
-  [m4_define([AC_CHECK_DECLS_ONCE],
-    [AC_CHECK_DECLS([$1])])])
-m4_ifndef([AC_CHECK_FUNCS_ONCE],
-  [m4_define([AC_CHECK_FUNCS_ONCE],
-    [AC_CHECK_FUNCS([$1])])])
-
 gl_EARLY
 gl_INIT