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copied!<p>What do you use for building your Perl module? </p> <p>The solution used by Linux kernel and by Git project itself is to replace "++VERSION++" (or "++PROJECT_VERSION++", or "@@PROJECT_VERSION@@") <em>placeholders</em> <strong>by the build system</strong>, in that case by Makefile. (In files in C it is done by defining "PROJECT_VERSION" preprocessor constant, via '<code>-DPROJECT_VERSION=$(PROJECT_VERSION)</code>' option passed to compiler). In your case that would probably be something like <code>Module::Install</code>, <code>Module::Build</code>, or <code>ExtUtils::MakeMaker</code>.</p> <p>Both Git ans Linux kernel uses for that <a href="http://git.kernel.org/?p=git/git.git;a=blob;f=GIT-VERSION-GEN;hb=master" rel="nofollow noreferrer" title="git.kernel.org (gitweb) - git/git.git / blob - GIT-VERSION-GEN">GIT-VERSION-GEN</a> script which:</p> <ol> <li>uses <code>git describe</code> if project is built from within git repository, </li> <li>falls back on <code>version</code> (or <code>VERSION</code>, or <code>GIT-VERSION-FILE</code>) file if build is done from snapshot (this file is created when creating snapshot / archive), </li> <li>and finally falls back on pre-defined version number, which number is updated in commit which marks new released version (e.g. <a href="http://git.kernel.org/?p=git/git.git;a=commitdiff;h=refs/tags/v1.6.4.4#patch3" rel="nofollow noreferrer" title="git.kernel.org (gitweb) - git/git.git / commitdiff - #patch3 (GIT-VERSION-GEN)"><code>cb572206</code></a> commit in git repository, aka commit <code>v1.6.4.4</code>).</li> </ol> <p>I hope that would help you.</p>

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