Update autoconf to 2.68
@@ -10,10 +10,10 @@ define([adlb_version],
m4_include([../../dev/m4/ifblank.m4])
AC_INIT([XLB],[adlb_version()],[woz@anl.gov])
-AC_PREREQ(2.63)
+AC_PREREQ([2.68])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([.])
-AC_CONFIG_HEADER(config.h src/mpe-settings.h)
+AC_CONFIG_HEADERS([config.h src/mpe-settings.h])
ADLB_VERSION=adlb_version()
AC_MSG_RESULT([ADLB/X version: ${ADLB_VERSION}])
