wget http://www.gnuwakes.org/depot/1.0/main/sources/autoconf-2.69.tar.xz

tar -xf autoconf-2.69.tar.xz

SOURCES_DIR=$PWD/autoconf-2.69
INSTALL_DIR=$PWD/autoconf-2.69-install
BUILD_DIR=$PWD/autoconf-2.69-build

mkdir $INSTALL_DIR $BUILD_DIR
cd $BUILD_DIR

$SOURCES_DIR/configure --prefix=/usr \
  && make && make DESTDIR=$INSTALL_DIR install