[RISOLTO] external imakeidx e printindex

confesso che è la prima volta che uso external
se
`
\documentclass{standalone}
\usepackage{tikz}
\usetikzlibrary{external}
\tikzexternalize[prefix=figures/]
\usetikzlibrary{shapes,arrows,positioning,shapes.misc,shapes.geometric}
\usepackage{imakeidx}
\usepackage{fix2col}
\indexsetup{level=\chapter,toclevel=chapter,noclearpage}
\makeindex
\makeindex[name=emulato,title=Emulati]
\begin{document}
\begin{tikzpicture}
\tikzset{base/.style={text=black, align=center,text=black,draw,minimum size=1mm}, }
\tikzset{testobase/.style={font=\footnotesize,minimum width=1.0em, align=left}, }
\tikzset{testo/.style={testobase,text width=15mm}, }
\tikzset{main node/.style={testobase,base, draw=red, rounded corners}, }
\tikzset{main2 node/.style={testobase,base, draw=green,rounded corners}, }
\tikzset{complesso node/.style={testobase,base, draw=blue}, }
\tikzset{internal node/.style={testobase,base, draw=magenta,dashed,rounded corners}, }
\tikzset{driver node/.style={testobase,base,dashed,draw=blue!20}, }
\tikzset{formato node/.style={testobase,base,dotted}, }
\tikzset{cfg node/.style={testobase,base,trapezium,,trapezium left angle=70,trapezium right angle=-70,draw=brown}, }
\tikzset{linea/.style={-triangle 90},}
\node[main node] (1) {crop};
\node[main2 node] (2) [below right =of 1] {color};
\node[cfg node] (3)

{color.cfg};
\node[driver node] (4) [below =of 2] {pdftex.def};
\node[internal node] (11)

{supp-pdf.mkii};
\node[internal node] (5) [below right =of 4] {infwarerr};
\node[main2 node] (7) [below left =of 1] {graphics};
\node[internal node] (8)

{trig};
\node[cfg node] (9) [below left =of 7] {graphics.cfg};
\tikzset{linea/.style={-triangle 90},}
\node[driver node] (15) [below =of 9] {epstopdf-base};
\node[internal node] (18) [below =of 15] {kvoptions};
\node[internal node] (16) [above right =of 15] {grfext};
\node[internal node] (17) [below right =of 15] {keydefinekys};
\node[internal node] (12) [below =of 5] {pdftexcmds};
\node[internal node] (6) [below left =of 12] {latexcmds};
\node[internal node] (13) [below right =of 12] {ifluatex};
\node[internal node] (14) [below =of 12] {ifpdf};
\node[internal node] (19) [below left =of 18] {keyval};
\node[internal node] (20) [below right =of 18] {kvsetkeys};
\node[internal node] (21) [below =of 18] {etexcmds};
\node[cfg node] (22)

{epstopdf-sys.cfg};
\foreach \x /\y in{1/2,1/7,2/3,3/4,2/4,4/11,4/5,5/6,7/4,7/8,7/9,9/15,4/17,15/5,15/18,15/16,15/12,12/5,12/6,12/14,12/13,16/17,17/6,18/19,18/20,18/21,15/22,9/4}
\path[linea] (\x) edge node {} (\y);
%%
\end{tikzpicture}
%\printindex
%\printindex[emulato]
\end{document}
`
è compilato con i printindex commentati funziona
altrimenti non si crea l’immagine
che fare?
ciao
claudio