Firm retirement of autogen.sh

The script remains until its refcount drops to zero.

Refs 0b4a90c0

autogen.sh

 #!/bin/sh
 #
+# Use autogen.des when doing code development
 
-warn() {
-	echo "WARNING: $@" 1>&2
-}
-
-case `uname -s` in
-Darwin)
-    LIBTOOLIZE=glibtoolize
-    ;;
-FreeBSD)
-    LIBTOOLIZE=libtoolize
-    ;;
-NetBSD)
-    LIBTOOLIZE=libtoolize
-    ;;
-OpenBSD)
-    LIBTOOLIZE=libtoolize
-    ;;
-Linux)
-    LIBTOOLIZE=libtoolize
-    ;;
-SunOS)
-    LIBTOOLIZE=libtoolize
-    ;;
-*)
-    warn "unrecognized platform:" `uname -s`
-    LIBTOOLIZE=libtoolize
-esac
-
-automake_version=`automake --version | tr ' ' '\n' | egrep '^[0-9]\.[0-9a-z.-]+'`
-if [ -z "$automake_version" ] ; then
-    warn "unable to determine automake version"
-else
-    case $automake_version in
-	0.*|1.[0-8]|1.[0-8][.-]*)
-	    warn "automake ($automake_version) detected; 1.9 or newer recommended"
-	    ;;
-	*)
-	    ;;
-    esac
-fi
-
-set -ex
-
-$LIBTOOLIZE --copy --force
-aclocal -I m4 -I .
-autoheader
-automake --add-missing --copy --foreign
-autoconf
+autoreconf -i