Purity: don't look for library dependencies (of the form `-lfoo') in
/lib and /usr/lib.  Likewise, when searching for included Makefiles,
don't look in /usr/include and friends.

Borrowed from similar patch for GNU Make and adjusted for Remake.

--- remake-4.3+dbg-1.5/src/read.c.orig	2020-03-14 17:06:16.000000000 -0500
+++ remake-4.3+dbg-1.5/src/read.c	2020-07-31 22:34:03.862383862 -0500
@@ -104,7 +104,7 @@
 # define INCLUDEDIR "."
 #endif
     INCLUDEDIR,
-#ifndef _AMIGA
+#if 0
     "/usr/gnu/include",
     "/usr/local/include",
     "/usr/include",
--- remake-4.3+dbg-1.5/src/remake.c.orig	2020-03-14 17:06:16.000000000 -0500
+++ remake-4.3+dbg-1.5/src/remake.c	2020-07-31 22:34:26.798330508 -0500
@@ -1665,8 +1665,10 @@
 {
   static const char *dirs[] =
     {
+#if 0
       "/lib",
       "/usr/lib",
+#endif
 #if defined(WINDOWS32) && !defined(LIBDIR)
 /*
  * This is completely up to the user at product install time. Just define
lue='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=0e4e91869ca40f07f9146b71a448a236d76d93c3'>refs</a><a class='active' href='/guix/log/gnu/services/ganeti.scm?showmsg=1'>log</a><a href='/guix/tree/gnu/services/ganeti.scm?id=0e4e91869ca40f07f9146b71a448a236d76d93c3'>tree</a><a href='/guix/commit/gnu/services/ganeti.scm?id=0e4e91869ca40f07f9146b71a448a236d76d93c3'>commit</a><a href='/guix/diff/gnu/services/ganeti.scm?id=0e4e91869ca40f07f9146b71a448a236d76d93c3'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/services/ganeti.scm'>
<input type='hidden' name='id' value='0e4e91869ca40f07f9146b71a448a236d76d93c3'/><input type='hidden' name='showmsg' value='1'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=0e4e91869ca40f07f9146b71a448a236d76d93c3&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=0e4e91869ca40f07f9146b71a448a236d76d93c3&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/services?id=0e4e91869ca40f07f9146b71a448a236d76d93c3&amp;showmsg=1'>services</a>/<a href='/guix/log/gnu/services/ganeti.scm?id=0e4e91869ca40f07f9146b71a448a236d76d93c3&amp;showmsg=1'>ganeti.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/gnu/services/ganeti.scm?id=0e4e91869ca40f07f9146b71a448a236d76d93c3'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2020-10-28 21:10:54 -0700'>2020-10-28</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/ganeti.scm?id=7db4dc60045082b79ea288573d8492a6e5d5903c'>gnu: ganeti-luxid-service-type: Fix typo.</a></td><td>Vagrant Cascadian</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/ganeti (ganeti-luxid-service-type)[description]: Fix spelling
  of "authoritative".


</td></tr>
<tr class='logheader'><td><span title='2020-10-10 23:39:17 +0200'>2020-10-10</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/ganeti.scm?id=d7fb4199c770c3bd7ce755b1160aa19e9164f148'>services: ganeti: Fix typo.</a></td><td>Marius Bakke</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/ganeti.scm (ganeti-luxid-service-type)[description]: Fix typo.


</td></tr>
<tr class='logheader'><td><span title='2020-08-25 17:14:50 +0200'>2020-08-25</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/ganeti.scm?id=2e832d4b8a1c68a9f28d5953819954ee37d9800f'>services: ganeti-kvmd-service-type: Fix typo in description.</a></td><td>Tobias Geerinckx-Rice</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/ganeti.scm (ganeti-kvmd-service-type)[description]:
Fix typo.


</td></tr>
<tr class='logheader'><td><span title='2020-07-21 23:54:44 +0200'>2020-07-21</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/ganeti.scm?id=938f3190e786baab4116ea826bde21d102396cc2'>services: ganeti: Fix erroneous gexp.</a></td><td>Marius Bakke</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/ganeti.scm (ganeti-watcher-command): Add missing parens.


</td></tr>
<tr class='logheader'><td><span title='2020-07-19 14:23:16 +0200'>2020-07-19</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/ganeti.scm?id=41daf1286575f3a1998493c893f6d5a9c5b62de8'>services: ganeti: Use TLS on the remote API by default.</a></td><td>Marius Bakke</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/ganeti.scm (&lt;ganeti-rapi-configuration&gt;): Set SSL? to #t.
* gnu/tests/ganeti.scm (%ganeti-os): Set SSL? to #f.
* doc/guix.texi (Virtualization Services): Adjust accordingly.


</td></tr>
<tr class='logheader'><td><span title='2020-07-16 21:51:44 +0200'>2020-07-16</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/ganeti.scm?id=9a622827559b223cc6b48733a82c74ce14a29bab'>services: Add ganeti.</a></td><td>Marius Bakke</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/ganeti.scm, gnu/tests/ganeti.scm: New files.
* doc/guix.texi (Virtualization Services): Document the Ganeti services.


</td></tr>