- can't use help2man from -extras, add workaround

autoconf.spec

@@ -7,7 +7,7 @@ Group:		Development/Tools
 Source:		http://ftp.gnu.org/gnu/autoconf/autoconf-%{version}.tar.bz2
 Patch0:     autoconf-2.60-linkX11.patch
 URL:		http://www.gnu.org/software/autoconf/
-BuildRequires:	sed, m4, emacs, help2man
+BuildRequires:	sed, m4, emacs
 Prereq(post,preun):	/sbin/install-info
 Requires:	gawk, m4, mktemp, perl, textutils, imake
 BuildArchitectures:	noarch
@@ -34,7 +34,12 @@ their use.
 %patch0 -p1 -b .linkX11
 
 %build
+cp -p config/config{.,-}guess
+cp -p config/config{.,-}sub
 %configure
+# ... and restore them:
+mv config/config{-,.}guess
+mv config/config{-,.}sub
 make
 
 #check