\usepackage{ifthen}    % package for conditionals in TeX
% Switch for PdfLaTeX or LaTeX
\ifx\pdfoutput\undefined %%%% LaTeX %%%
  \usepackage[dvips]{graphicx}       %%% graphics for dvips
  \usepackage[colorlinks=true, linkcolor=blue, 
              citecolor=blue, urlcolor=blue,
              ps2pdf,                %%% hyper-references for ps2pdf
              bookmarks=true,        %%% generate bookmarks ...
              bookmarksnumbered=true,%%% ... with numbers
  ]{hyperref}
  % pdfcreator and pdfproducer are set automatically in pdfLaTeX
  \hypersetup{ pdfcreator  = {LaTeX with hyperref package},
               pdfproducer = {dvips + ps2pdf} }
  \let\url\nolinkurl % because dvips cannot break url across lines
\else %%% PdfLaTeX %%%
  \usepackage[pdftex]{graphicx}      %%% graphics for pdftex
  \usepackage[colorlinks=true, linkcolor=blue, 
              citecolor=blue, urlcolor=blue,
              pdftex,                %%% hyper-references for pdflatex
              bookmarks=true,        %%% generate bookmarks ...
              bookmarksnumbered=true,%%% ... with numbers
  ]{hyperref}
  \pdfadjustspacing=1    %%% force LaTeX-like character spacing
\fi %%% End of condition %%%

\hypersetup{
pdfauthor   = {Tom Smith},
pdftitle    = {About something},
pdfsubject  = {Dissertation},
pdfkeywords = {General, Stuff},
}