%%% START: latex or pdflatex? %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{ifthen}
\newboolean{USE_LATEX}
\input{config.inc.tex} % this file is created by a batch file that controls compilation
%\setboolean{USE_LATEX}{true}  % for latex     \  these two steps are automatized
%\setboolean{USE_LATEX}{false} % for pdflatex  /  by the previous "input" line

\ifthenelse{\boolean{USE_LATEX}}
{ % we are running latex, not pdflatex
\usepackage{graphicx}
}{ % we are running pdflatex, so convert .eps files to .pdf
\usepackage[pdftex]{graphicx}
%\usepackage{epstopdf} % it'd call epstopdf, but it doesn't correct eps files!
% so we should do the conversion manually: (1) eps2eps, to correct, then (2) epstopdf
}
%%% END: latex or pdflatex? %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%