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For most packages, what we've already covered willsuffice. Few packages will need the more advanced features, though Inote that many use them anyway.</P><P>The <CODE>dist</CODE> rules work by building a copy of the source tree andthen archiving that copy. This copy is made in stages: a<TT>`Makefile'</TT> in a particular directory updates the correspondingdirectory in the shadow tree. In some cases, <CODE>automake</CODE> is runto create a new <TT>`Makefile.in'</TT> in the new distribution tree.</P><P>After each directory's <TT>`Makefile'</TT> has had a chance to update thedistribution directory, the appropriate command is run to create thearchive. Finally, the temporary directory is removed.</P><P>If your <TT>`Makefile.am'</TT> defines a <CODE>dist-hook</CODE> rule, thenAutomake will arrange to run this rule when the copying work for thisdirectory is finished.This rule can do literally anything to the distribution directory, sosome care is required -- careless use will result in an unusabledistribution. For instance, Automake will create the shadow tree usinglinks, if possible. This means that it is inadvisable to modify thefiles in the <SAMP>`dist'</SAMP> tree in a dist hook.One common use for this rule is to remove files that erroneously end upin the distribution (in rare situations this can happen). The variable<SAMP>`distdir'</SAMP> is defined during the <CODE>dist</CODE> process and refers tothe corresponding directory in the distribution tree; <SAMP>`top_distdir'</SAMP>refers to the root of the distribution tree.</P><P>Here is an example of removing a file from a distribution:</P><P><TABLE width=100%><tr><td> </td><td class=example bgcolor=#6688aa><br><pre>dist-hook: -rm $(distdir)/remove-this-file</pre></td></tr></table></P><P><A NAME="Installing and Uninstalling"></A></TR></TABLE><BR> <FONT SIZE="-1">This document was generatedby <I>Gary V. Vaughan</I> on <I>September, 12 2004</I>using <A HREF="http://www.mathematik.uni-kl.de/~obachman/Texi2html"><I>texi2html</I></A></BODY></HTML>⌨️ 快捷键说明
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