wget http://www.gnuwakes.org/depot/1.0/main/sources/dropbear-2015.67.tar.bz2

tar -xf dropbear-2015.67.tar.bz2

SOURCES_DIR=$PWD/dropbear-2015.67
INSTALL_DIR=$PWD/dropbear-2015.67-install
BUILD_DIR=$PWD/dropbear-2015.67-build

mkdir $INSTALL_DIR $BUILD_DIR
cd $BUILD_DIR

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