- correct license and style (prepare_spec)

- minor build fixes, avoid deprecated macros to be more portable

OBS-URL: https://build.opensuse.org/package/show/devel:tools:building/autoconf?expand=0&rev=18

autoconf.spec

@@ -15,14 +15,12 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-
-
 Name:           autoconf
 BuildRequires:  help2man
 BuildRequires:  xz
 Url:            http://www.gnu.org/software/autoconf
 Requires:       m4 >= 1.4.6
-Requires(pre):  info
+Requires:       info
 Version:        2.68
 Release:        0
 Summary:        A GNU Tool for Automatically Configuring Source Code
@@ -51,7 +49,6 @@ only required for the generation of the scripts, not their use.
 %patch0
 
 %build
-%{suse_update_config -f config}
 ./configure --prefix=%{_prefix} --infodir=%{_infodir} --mandir=%{_mandir}
 make %{?_smp_mflags}