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.

Patch from Nixpkgs, by Eelco Dolstra.

diff -rc make-3.81-orig/src/read.c make-3.81/src/read.c
*** make-3.81-orig/src/read.c	2006-03-17 15:24:20.000000000 +0100
--- make-3.81/src/read.c	2007-05-24 17:16:31.000000000 +0200
***************
*** 99,107 ****
--- 99,109 ----
  #endif
      INCLUDEDIR,
  #ifndef _AMIGA
+ #if 0    
      "/usr/gnu/include",
      "/usr/local/include",
      "/usr/include",
+ #endif    
  #endif
      0
    };
diff -rc make-3.81-orig/src/remake.c make-3.81/src/remake.c
*** make-3.81-orig/src/remake.c	2006-03-20 03:36:37.000000000 +0100
--- make-3.81/src/remake.c	2007-05-24 17:06:54.000000000 +0200
***************
*** 1452,1460 ****
--- 1452,1462 ----
    static char *dirs[] =
      {
  #ifndef _AMIGA
+ #if 0
        "/lib",
        "/usr/lib",
  #endif
+ #endif
  #if defined(WINDOWS32) && !defined(LIBDIR)
  /*
   * This is completely up to the user at product install time. Just define
/guix/refs/?id=5d2d081af0dfebb2f9af367a39e6696618f12dcf'>refs</a><a class='active' href='/guix/log/gnu/packages/tls.scm'>log</a><a href='/guix/tree/gnu/packages/tls.scm?id=5d2d081af0dfebb2f9af367a39e6696618f12dcf'>tree</a><a href='/guix/commit/gnu/packages/tls.scm?id=5d2d081af0dfebb2f9af367a39e6696618f12dcf'>commit</a><a href='/guix/diff/gnu/packages/tls.scm?id=5d2d081af0dfebb2f9af367a39e6696618f12dcf'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/tls.scm'>
<input type='hidden' name='id' value='5d2d081af0dfebb2f9af367a39e6696618f12dcf'/><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=5d2d081af0dfebb2f9af367a39e6696618f12dcf'>root</a>/<a href='/guix/log/gnu?id=5d2d081af0dfebb2f9af367a39e6696618f12dcf'>gnu</a>/<a href='/guix/log/gnu/packages?id=5d2d081af0dfebb2f9af367a39e6696618f12dcf'>packages</a>/<a href='/guix/log/gnu/packages/tls.scm?id=5d2d081af0dfebb2f9af367a39e6696618f12dcf'>tls.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/packages/tls.scm?id=5d2d081af0dfebb2f9af367a39e6696618f12dcf&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-04-30 17:58:35 +0100'>2024-04-30</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=f6c6dd229f8ab6e84a8ea42d3fb5fb19d24e3b20'>gnu: guile-gnutls: Update to 4.0.0.</a><span class='msg-avail'>...</span></td><td>Christopher Baines</td></tr>
<tr><td><span title='2024-02-05 13:56:37 +0800'>2024-02-05</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=06331aec114c1f3c816a4b25a461e243c02e482b'>gnu: Add mbedtls, version 3.5.2.</a><span class='msg-avail'>...</span></td><td>Hilton Chain</td></tr>
<tr><td><span title='2024-02-05 13:56:31 +0800'>2024-02-05</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=2b296427d7bd7b6b155e0e94403c1227ce014008'>gnu: mbedtls-apache: Rename to mbedtls-lts.</a><span class='msg-avail'>...</span></td><td>Hilton Chain</td></tr>
<tr><td><span title='2024-02-05 13:56:26 +0800'>2024-02-05</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=0f86c1c6f887513692b4e908e21884c2705b5e82'>gnu: mbedtls-apache: Use gexps.</a><span class='msg-avail'>...</span></td><td>Hilton Chain</td></tr>
<tr><td><span title='2024-02-05 13:56:20 +0800'>2024-02-05</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=585d71ce9695ab3d7f3f39b150bd15644a55cc44'>gnu: mbedtls-apache: Update to 2.28.7.</a><span class='msg-avail'>...</span></td><td>Hilton Chain</td></tr>
<tr><td><span title='2024-02-05 13:56:14 +0800'>2024-02-05</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=a13a0e00ea2898402c96c8bfc5a4e911fefe2130'>gnu: mbedtls-for-hiawatha: Update package style.</a><span class='msg-avail'>...</span></td><td>Hilton Chain</td></tr>
<tr><td><span title='2024-02-05 13:56:08 +0800'>2024-02-05</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=8dfaf461b4afd6c45d714a9494ad4fcd141aa99a'>gnu: mbedtls-for-hiawatha: Use inherited source.</a><span class='msg-avail'>...</span></td><td>Hilton Chain</td></tr>
<tr><td><span title='2024-01-20 16:52:05 -0500'>2024-01-20</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=856b4a603ac5100be03d9c9bbd8f00dce030a79e'>gnu: gnutls: Update to 3.8.3 [security-fixes].</a><span class='msg-avail'>...</span></td><td>Jack Hill</td></tr>
<tr><td><span title='2024-01-11 11:22:36 -0500'>2024-01-11</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=8cc0687778e92e348cb7bd61b6b444c005e9ce80'>gnu: Update guile-gnutls to 3.7.14.</a><span class='msg-avail'>...</span></td><td>David Thompson</td></tr>
<tr><td><span title='2024-01-05 13:48:37 -0500'>2024-01-05</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=deeb7d1f53d7ddfa977b3eadd760312bbd0a2509'>gnutls: Update to 3.8.2 (fixes CVE-2023-5981).</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2024-01-04 21:48:17 +0200'>2024-01-04</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=568c12d7266c7372f04f16bcb91cbe0f88d9e70b'>gnu: openssl: Fix building on x86_64-linux-gnux32.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-12-12 13:58:16 +0200'>2023-12-12</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=c7215819e110d915752f8d36660578784458a80f'>Revert "gnu: openssl: Don't error when targeting avr."</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-12-12 09:32:10 +0200'>2023-12-12</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=baeff7f546d700ae4f0c873bd0fce0ca84bebd21'>gnu: openssl: Don't error when targeting avr.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-11-07 15:12:06 -0500'>2023-11-07</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=e452227a51131ed97a41a930d77732ebb7ff568a'>gnu: mbedtls-apache: Update to 2.28.5.</a><span class='msg-avail'>...</span></td><td>John Kehayias</td></tr>
<tr><td><span title='2023-10-24 00:02:14 +0200'>2023-10-24</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=a1ac534f8a509bc7ddf11bcd5987fa65adf8c9ca'>gnu: gnutls@3.8: Do not rely expect ‘PATH_MAX’ definition on GNU/Hurd.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-10-20 11:38:00 +0100'>2023-10-20</span></td><td><a href='/guix/commit/gnu/packages/tls.scm?id=501549137853455ca39afaf79d8a623ea4494c88'>gnu: gnutls: Replace with 3.8.1.</a><span class='msg-avail'>...</span></td><td>Christopher Baines</td></tr>