AutoSplit will fail to create an index for files whose modification time is 0
because its default time for a non-existent index is 1.  Set this default time
to -1 instead.

--- perl-5.16.1/cpan/AutoLoader/lib/AutoSplit.pm.orig	2012-02-14 22:44:36.000000000 -0600
+++ perl-5.16.1/cpan/AutoLoader/lib/AutoSplit.pm	2015-09-09 19:59:22.208708921 -0500
@@ -361,7 +361,7 @@
     my($al_idx_file) = catfile($autodir, $modpname, $IndexFile);
 
     if ($check_mod_time){
-	my($al_ts_time) = (stat("$al_idx_file"))[9] || 1;
+	my($al_ts_time) = (stat("$al_idx_file"))[9] || -1;
 	if ($al_ts_time >= $pm_mod_time and
 	    $al_ts_time >= $self_mod_time){
 	    print "AutoSplit skipped ($al_idx_file newer than $filename)\n"
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<div class='path'>path: <a href='/guix/log/?id=397b9c887cd96dd49016d5a5803445e6de5783ea'>root</a>/<a href='/guix/log/build-aux?id=397b9c887cd96dd49016d5a5803445e6de5783ea'>build-aux</a>/<a href='/guix/log/build-aux/compile-as-derivation.scm?id=397b9c887cd96dd49016d5a5803445e6de5783ea'>compile-as-derivation.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/build-aux/compile-as-derivation.scm?id=397b9c887cd96dd49016d5a5803445e6de5783ea&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-09-02 15:43:51 +0200'>2018-09-02</span></td><td><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=20cbd4f5f4d08bc26c22eb40b6c1e55b02e93f23'>compile-as-derivation: Adjust %load-compiled-path.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-06-09 12:02:27 +0200'>2018-06-09</span></td><td><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=75e24d7b0e19ab2164aecb340e82d07d2b9714e7'>pull: Install the new Guix in a profile.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-06-09 12:02:27 +0200'>2018-06-09</span></td><td><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=8a0d9bc8a3f153159d9e239a151c0fa98f1e12d8'>self: Produce a complete package with the 'guix' command.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-04-08 17:48:25 +0200'>2018-04-08</span></td><td><a href='/guix/commit/build-aux/compile-as-derivation.scm?id=2cfc8d69644af6c53fed9128425e8ff70ad4509f'>build: Add 'as-derivation' target.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
mit/etc/git?id=f8b10932c86cf4c1657a67e8c484d76f757b64bd'>Add git configuration templates to improve diff hunk header detection.</a><span class='msg-avail'>...</span></td><td>Sarah Morgensen</td></tr>
<tr><td><span title='2020-12-14 12:15:06 -0500'>2020-12-14</span></td><td><a href='/guix/commit/etc/git?id=80ebcdd100a82fdc582e62f35042c74ce38ea753'>maint: Only run `make authenticate` when pushing commits.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>