--- jdk14-bc54620a3848/make/autoconf/basics.m4	2020-02-07 04:40:54.000000000 +1030
+++ jdk14-bc54620a3848-new/make/autoconf/basics.m4	2020-04-24 10:59:33.056098506 +0930
@@ -583,7 +583,7 @@
   BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2, , $3)])
   if test "x[$]$1" = x; then
     AC_MSG_NOTICE([Required tool $2 not found in PATH, checking built-in])
-    if help $2 > /dev/null 2>&1; then
+    if command -v $2 > /dev/null 2>&1; then
       AC_MSG_NOTICE([Found $2 as shell built-in. Using it])
       $1="$2"
     else
>guix</a></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='acbb9d2dadc7011bce7e022689633944e595e75b'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='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=acbb9d2dadc7011bce7e022689633944e595e75b'>refs</a><a class='active' href='/guix/log/THANKS'>log</a><a href='/guix/tree/THANKS?id=acbb9d2dadc7011bce7e022689633944e595e75b'>tree</a><a href='/guix/commit/THANKS?id=acbb9d2dadc7011bce7e022689633944e595e75b'>commit</a><a href='/guix/diff/THANKS?id=acbb9d2dadc7011bce7e022689633944e595e75b'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/THANKS'>
<input type='hidden' name='id' value='acbb9d2dadc7011bce7e022689633944e595e75b'/><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=acbb9d2dadc7011bce7e022689633944e595e75b'>root</a>/<a href='/guix/log/THANKS?id=acbb9d2dadc7011bce7e022689633944e595e75b'>THANKS</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/THANKS?id=acbb9d2dadc7011bce7e022689633944e595e75b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-09-12 22:52:58 -0400'>2021-09-12</span></td><td><a href='/guix/commit/THANKS?id=53f54d4aa252fed425180641f27094600522c4f1'>Thank Christine under her updated name.</a></td><td>Christine Lemmer-Webber</td></tr>