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\chapter{Auxilary Programs}

Besides the main {\tt yosys} executable, the Yosys distribution contains a set
of additional helper programs.

\section{yosys-config}

The {\tt yosys-config} tool (an auto-generated shell-script) can be used to
query compiler options and other information needed for building loadable
modules for Yosys. FIXME: See Sec.~\ref{chapter:prog} for details.

\section{yosys-filterlib}
\label{sec:filterlib}

The {\tt yosys-filterlib} tool is a small utility that can be used to strip
or extract information from a Liberty file. See Sec.~\ref{sec:techmap_extern}
for details.

\section{yosys-svgviewer}

The {\tt yosys-svgviewer} tool is a small Qt program that can be used to view
SVG files. This tool is automatically launched by the {\tt show} command when
no {\tt -format} and no {\tt -viewer} option is passed to the command. See
{\tt help show} or Sec.~\ref{cmd:show} for details.

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