checking for DB4 major version code example

Example: checking for DB4 major version

apt install libxml2-dev libpcre3-dev libbz2-dev libcurl4-openssl-dev libjpeg-dev libxpm-dev libfreetype6-dev libmysqlclient-dev postgresql-server-dev-all \
libgmp-dev libsasl2-dev libmhash-dev unixodbc-dev freetds-dev libpspell-dev libsnmp-dev libtidy-dev libxslt1-dev libmcrypt-dev \
libpng*dev libdb5*-dev libfreetype*dev libxft*dev libgdchart-gd2-xpm-dev