[pdftex] Document portable to both latex and pdflatex - FAQ Problem??

[David Carlisle]

\ifx\pdfoutput\undefined
  \pdffalse % we are not running PDFLaTeX
\else
  \pdfoutput=1 % we are running PDFLaTeX
  \pdftrue
\fi
%Then use your new variable \ifpdf
\ifpdf
  \usepackage[pdftex]{graphicx}
  \pdfcompresslevel=9
\else
  \usepackage{graphicx}
\fi


you should just be able to go

\usepackage{graphicx}

your graphics.cfg file should automatically detect if it is running
under pdftex and do the right thing (the graphics.cfg distributed with
all the major distributions that include pdftex do this)

David

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