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<H1>RANLIB</H1>
Section: GNU Development Tools (1)<BR>Updated: 2021-01-21<BR><A HREF="#index">Index</A>
<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
<A NAME="lbAB">&nbsp;</A>
<H2>NAME</H2>
ranlib - generate an index to an archive
<A NAME="lbAC">&nbsp;</A>
<H2>SYNOPSIS</H2>
ranlib [<B>--plugin</B> <I>name</I>] [<B>-DhHvVt</B>] <I>archive</I>
<A NAME="lbAD">&nbsp;</A>
<H2>DESCRIPTION</H2>
<B>ranlib</B> generates an index to the contents of an archive and
stores it in the archive. The index lists each symbol defined by a
member of an archive that is a relocatable object file.
<P>
You may use <B>nm -s</B> or <B>nm --print-armap</B> to list this index.
<P>
An archive with such an index speeds up linking to the library and
allows routines in the library to call each other without regard to
their placement in the archive.
<P>
The <FONT SIZE="-1">GNU</FONT> <B>ranlib</B> program is another form of <FONT SIZE="-1">GNU</FONT> <B>ar</B>; running
<B>ranlib</B> is completely equivalent to executing <B>ar -s</B>.
<A NAME="lbAE">&nbsp;</A>
<H2>OPTIONS</H2>
<DL COMPACT>
<DT id="1"><B>-h</B><DD>
<DT id="2"><B>-H</B><DD>
<DT id="3"><B>--help</B><DD>
Show usage information for <B>ranlib</B>.
<DT id="4"><B>-v</B><DD>
<DT id="5"><B>-V</B><DD>
<DT id="6"><B>--version</B><DD>
Show the version number of <B>ranlib</B>.
<DT id="7"><B>-D</B><DD>
Operate in <I>deterministic</I> mode. The symbol map archive member's
header will show zero for the <FONT SIZE="-1">UID, GID,</FONT> and timestamp. When this
option is used, multiple runs will produce identical output files.
<P>
If <I>binutils</I> was configured with
<B>--enable-deterministic-archives</B>, then this mode is on by
default. It can be disabled with the <B>-U</B> option, described
below.
<DT id="8"><B>-t</B><DD>
Update the timestamp of the symbol map of an archive.
<DT id="9"><B>-U</B><DD>
Do <I>not</I> operate in <I>deterministic</I> mode. This is the
inverse of the <B>-D</B> option, above: the archive index will get
actual <FONT SIZE="-1">UID, GID,</FONT> timestamp, and file mode values.
<P>
If <I>binutils</I> was configured <I>without</I>
<B>--enable-deterministic-archives</B>, then this mode is on by
default.
<DT id="10"><B>@</B><I>file</I><DD>
Read command-line options from <I>file</I>. The options read are
inserted in place of the original @<I>file</I> option. If <I>file</I>
does not exist, or cannot be read, then the option will be treated
literally, and not removed.
<P>
Options in <I>file</I> are separated by whitespace. A whitespace
character may be included in an option by surrounding the entire
option in either single or double quotes. Any character (including a
backslash) may be included by prefixing the character to be included
with a backslash. The <I>file</I> may itself contain additional
@<I>file</I> options; any such options will be processed recursively.
</DL>
<A NAME="lbAF">&nbsp;</A>
<H2>SEE ALSO</H2>
<B><A HREF="/cgi-bin/man/man2html?1+ar">ar</A></B>(1), <B><A HREF="/cgi-bin/man/man2html?1+nm">nm</A></B>(1), and the Info entries for <I>binutils</I>.
<A NAME="lbAG">&nbsp;</A>
<H2>COPYRIGHT</H2>
Copyright (c) 1991-2020 Free Software Foundation, Inc.
<P>
Permission is granted to copy, distribute and/or modify this document
under the terms of the <FONT SIZE="-1">GNU</FONT> Free Documentation License, Version 1.3
or any later version published by the Free Software Foundation;
with no Invariant Sections, with no Front-Cover Texts, and with no
Back-Cover Texts. A copy of the license is included in the
section entitled ``<FONT SIZE="-1">GNU</FONT> Free Documentation License''.
<P>
<HR>
<A NAME="index">&nbsp;</A><H2>Index</H2>
<DL>
<DT id="11"><A HREF="#lbAB">NAME</A><DD>
<DT id="12"><A HREF="#lbAC">SYNOPSIS</A><DD>
<DT id="13"><A HREF="#lbAD">DESCRIPTION</A><DD>
<DT id="14"><A HREF="#lbAE">OPTIONS</A><DD>
<DT id="15"><A HREF="#lbAF">SEE ALSO</A><DD>
<DT id="16"><A HREF="#lbAG">COPYRIGHT</A><DD>
</DL>
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