diff --git a/autoconf.spec b/autoconf.spec
index 923f8b7..558a0ed 100644
--- a/autoconf.spec
+++ b/autoconf.spec
@@ -1,20 +1,21 @@
 Summary:    A GNU tool for automatically configuring source code
 Name:       autoconf
 Version:    2.61
-Release:    5%{?dist}
+Release:    6%{?dist}
 License:    GPL
 Group:      Development/Tools
 Source:     http://ftp.gnu.org/gnu/autoconf/autoconf-%{version}.tar.bz2
 Source1:    filter-provides-automake.sh
 Source2:    filter-requires-automake.sh
 URL:        http://www.gnu.org/software/autoconf/
-BuildRequires:      sed, m4, emacs, gawk
+BuildRequires:      m4, emacs
 Requires(post):     /sbin/install-info
 Requires(preun):    /sbin/install-info
-Requires:           gawk, m4, mktemp, imake
+Requires:           m4, mktemp, imake
 BuildArch: noarch
 BuildRoot:  %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
+# filter out bogus perl(Autom4te*) dependencies
 %define _use_internal_dependency_generator 0
 %define __find_provides %{SOURCE1}
 %define __find_requires %{SOURCE2}
@@ -39,6 +40,8 @@ their use.
 %setup -q
 
 %build
+# use ./configure here to avoid copying config.{sub,guess} with those from the
+# rpm package
 ./configure --prefix=%{_prefix} --mandir=%{_mandir} --infodir=%{_infodir} \
   --bindir=%{_bindir} --datadir=%{_datadir}
 make #  %{?_smp_mflags}  Makefile not smp save
@@ -56,11 +59,11 @@ rm -f $RPM_BUILD_ROOT%{_infodir}/dir
 rm -rf ${RPM_BUILD_ROOT}
 
 %post
-/sbin/install-info %{_infodir}/autoconf.info.gz %{_infodir}/dir || :
+/sbin/install-info %{_infodir}/autoconf.info %{_infodir}/dir || :
 
 %preun
 if [ "$1" = 0 ]; then
-    /sbin/install-info --del %{_infodir}/autoconf.info.gz %{_infodir}/dir || :
+    /sbin/install-info --del %{_infodir}/autoconf.info %{_infodir}/dir || :
 fi
 
 %files
@@ -75,6 +78,10 @@ fi
 %doc AUTHORS COPYING ChangeLog NEWS README THANKS TODO
 
 %changelog
+* Thu Feb 22 2007 Karsten Hopp <karsten@redhat.com> 2.61-6
+- drop gawk, sed requirements (#225296)
+- add some comments
+
 * Mon Feb 19 2007 Karsten Hopp <karsten@redhat.com> 2.61-5
 - use ./configure
 - filter dependencies