Do not capture the build-time value of $PATH in the 'emacs' executable
since this can noticeably increase the size of the closure of Emacs
with things like GCC being referenced.

--- a/lisp/loadup.el
+++ b/lisp/loadup.el
@@ -530,7 +530,8 @@ lost after dumping")))
                         ((equal dump-mode "dump") "emacs")
                         ((equal dump-mode "bootstrap") "emacs")
                         ((equal dump-mode "pbootstrap") "bootstrap-emacs.pdmp")
-                        (t (error "Unrecognized dump mode %s" dump-mode)))))
+                        (t (error "Unrecognized dump mode %s" dump-mode))))
+          (exec-path nil))
       (when (and (featurep 'native-compile)
                  (equal dump-mode "pdump"))
         ;; Don't enable this before bootstrap is completed, as the
ripts</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=330377cb2a6c4b1f093d8a43d89dc2bf30bc65f7'>refs</a><a class='active' href='/guix/log/scripts'>log</a><a href='/guix/tree/scripts?id=330377cb2a6c4b1f093d8a43d89dc2bf30bc65f7'>tree</a><a href='/guix/commit/scripts?id=330377cb2a6c4b1f093d8a43d89dc2bf30bc65f7'>commit</a><a href='/guix/diff/scripts?id=330377cb2a6c4b1f093d8a43d89dc2bf30bc65f7'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/scripts'>
<input type='hidden' name='id' value='330377cb2a6c4b1f093d8a43d89dc2bf30bc65f7'/><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>
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<div class='path'>path: <a href='/guix/log/?id=330377cb2a6c4b1f093d8a43d89dc2bf30bc65f7'>root</a>/<a href='/guix/log/scripts?id=330377cb2a6c4b1f093d8a43d89dc2bf30bc65f7'>scripts</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/scripts?id=330377cb2a6c4b1f093d8a43d89dc2bf30bc65f7&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-12-11 19:06:53 +0100'>2020-12-11</span></td><td><a href='/guix/commit/scripts?id=fd247542215fbd10f28980f3d5255014b150e95a'>build: 'script/guix' uses our own 'guile' executable.</a><span class='msg-avail'>...<span class='msg-tooltip'>* Makefile.am (do_subst): Substitute @abs_top_builddir@.
* scripts/guix.in: Use it.
</span></span></td><td>Ludovic Courtès</td></tr>