Switch to autoconf 2.66

Makefile.in

@@ -38,7 +38,8 @@ DIST_COMMON = README $(am__configure_deps) $(srcdir)/Makefile.am \
 	$(srcdir)/Makefile.in $(srcdir)/cdo.spec.in \
 	$(top_srcdir)/configure AUTHORS COPYING ChangeLog INSTALL NEWS \
 	config/config.guess config/config.sub config/depcomp \
-	config/install-sh config/missing config/mkinstalldirs
+	config/install-sh config/ltmain.sh config/missing \
+	config/mkinstalldirs
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/acx_c_package.m4 \
 	$(top_srcdir)/m4/acx_lang_check_include.m4 \

aclocal.m4

@@ -13,8 +13,8 @@
 
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
-m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.65],,
-[m4_warning([this file was generated for autoconf 2.65.
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.66],,
+[m4_warning([this file was generated for autoconf 2.66.
 You have another version of autoconf.  It may work, but is not guaranteed to.
 If you have problems, you may need to regenerate the build system entirely.
 To do so, use the procedure documented by the package, typically `autoreconf'.])])

cdo.spec

@@ -4,7 +4,7 @@
 
 Name:           cdo
 #BuildRequires:  
-Version:        1.4.6rc2
+Version:        1.4.6rc4
 Release:        1
 Summary:        Climate Data Operators
 License:        GNU GENERAL PUBLIC LICENSE Version 2, June 1991