maint: mention Autoconf version required to build Automake

* README-prereq: coreutils currently requires an unreleased
version of Automake, so mention the minimum version of Autoconf
required to build that. Suggestion from James Youngman.

diff --git a/README-prereq b/README-prereq
index 91676f4cefd16e83f0b6f4ed1bbc37ea4a4e5111..d65fe48538dc3869941c696f65d0465e388c89d3 100644 (file)
--- a/README-prereq
+++ b/README-prereq
@@ -16,6 +16,7 @@ getting the prerequisites for particular systems.
     # yum install emacs #autoconf build requires emacs (20MB)
     # rpmbuild --rebuild http://download.fedora.redhat.com/pub/fedora/linux/development/source/SRPMS/autoconf-2.63-1.fc10.src.rpm
     # rpm -Uvh /usr/src/redhat/RPMS/noarch/autoconf-2.63-1.fc8.noarch.rpm
+  Note Autoconf 2.61a-341 or newer is needed to build automake-1.10a in step 3.
   Apply the same method to install the lzma package.
   [FIXME: mention xz when it's packaged]