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
@@ -64,6 +64,11 @@
 			    (expand-file-name "textmodes" dir)
 			    (expand-file-name "vc" dir)))))
 
+;; Reset 'exec-path' so we don't capture the build-time $PATH in the
+;; 'emacs' executable.
+(setq-default exec-path nil)
+(setq exec-path nil)
+
 (if (eq t purify-flag)
     ;; Hash consing saved around 11% of pure space in my tests.
     (setq purify-flag (make-hash-table :test 'equal :size 70000)))
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<tr><td><span title='2024-12-13 20:15:41 +0000'>2024-12-13</span></td><td><a href='/guix/commit/gnu/packages/protobuf.scm?id=fdc0fefd46a45b70784a4e3f8900cbe593426a9e'>build-system/pyproject: Use python-sans-pip-wrapper as default-python.</a><span class='msg-avail'>...<span class='msg-tooltip'>Also adds python-setuptools and python-wheel to relevant packages,
either to native-inputs or to propagated inputs if the pkg_resources
Python module is loaded at runtime.

* guix/build-system/pyproject.scm (default-python): Default to
python-sans-pip-wrapper.

Change-Id: I2d986c2225114f54459dd6bb360913106e52cdf4
</span></span></td><td>Lars-Dominik Braun</td></tr>
<tr><td><span title='2024-11-25 11:40:54 +0100'>2024-11-25</span></td><td><a href='/guix/commit/gnu/packages/protobuf.scm?id=498b6cd008f1989b7cfda060d8a6790015eb2340'>gnu: Add python-protobuf-5.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/protobuf.scm (python-protobuf-5): New variable.

Change-Id: Ic181a92bc0e3eb66adf535d98b192cbb006028ad
Signed-off-by: Luca Matei Pintilie &lt;luca@lucamatei.com&gt;
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Morgan Smith</td></tr>
<tr><td><span title='2024-08-23 22:29:17 +0800'>2024-08-23</span></td><td><a href='/guix/commit/gnu/packages/protobuf.scm?id=e3ab05320ddd7b1305ccfbda55df29543f5e5883'>gnu: protobuf-c: Fix cross-compilation.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/protobuf.scm (protobuf-c): Fix cross-compilation.
[native-inputs]: When cross-compilation, add protobuf.
[arguments]&lt;#:configure-flags&gt;: When cross-compilation, Set PROTOC variable.

Change-Id: Idd660f526b7c90277cb4399997cdb7ce72e4f1c5
Signed-off-by: Zheng Junjie &lt;zhengjunjie@iscas.ac.cn&gt;
</span></span></td><td>Zheng Junjie</td></tr>