Do not introduce timestamps in PNG files (for icons).
See <https://wiki.debian.org/ReproducibleBuilds/TimestampsInPNG>.

--- awesome-3.4.15/CMakeLists.txt	2013-02-11 14:50:21.000000000 +0100
+++ awesome-3.4.15/CMakeLists.txt	2016-06-16 13:59:30.528125439 +0200
@@ -295,7 +295,7 @@ macro(a_icon_convert match replacement i
         set(ALL_ICONS ${ALL_ICONS} ${output})
 
         add_custom_command(
-            COMMAND ${CONVERT_EXECUTABLE} ${input} -strip ${ARGN} ${output}
+            COMMAND ${CONVERT_EXECUTABLE} +set date:create +set date:modify -define png:exclude-chunk=time ${input} -strip ${ARGN} ${output}
             OUTPUT  ${output}
             DEPENDS ${input}
             VERBATIM)
ko' selected='selected'>koszko</option>
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<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=d8a3b1b9e847d4a44d2695f95af77170d4d2788f'>root</a>/<a href='/guix/log/po?id=d8a3b1b9e847d4a44d2695f95af77170d4d2788f'>po</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/po?id=d8a3b1b9e847d4a44d2695f95af77170d4d2788f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-03-07 11:22:42 +0100'>2018-03-07</span></td><td><a href='/guix/commit/po?id=ca23693d280de5c4031058da4d3041d830080484'>linux-initrd: Factorize 'check-device-initrd-modules'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/mapped-devices.scm (check-device-initrd-modules): Move to...
* gnu/system/linux-initrd.scm (check-device-initrd-modules): ... here.
New procedure.
* po/guix/POTFILES.in: Add it.
* guix/scripts/system.scm (check-initrd-modules)[check-device]: Remove.
Use 'check-device-initrd-modules' instead.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-05 10:41:18 +0100'>2018-03-05</span></td><td><a href='/guix/commit/po?id=f285b17b35437b8d5e41e3f45b29b2090b3f1dc4'>nls: Add Simplified Chinese translation.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-26 01:24:08 +0100'>2018-02-26</span></td><td><a href='/guix/commit/po?id=acc55e836604f6d201ba2378864cae92bc765f69'>nls: Update 'pt_BR' translation.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2018-02-19 22:04:10 +0100'>2018-02-19</span></td><td><a href='/guix/commit/po?id=7ffd6180a7c46280a5d515570e7f43552d40b4fd'>nls: Update 'fr' translation.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-12 11:20:48 -0500'>2018-02-12</span></td><td><a href='/guix/commit/po?id=65bdcf3adf7058c670d48fca92b1097d6ea38397'>nls: Update 'zh_CN' translation.</a></td><td>Leo Famulari</td></tr>
<tr><td><span title='2018-01-17 17:15:55 -0800'>2018-01-17</span></td><td><a href='/guix/commit/po?id=d86db8d5625f3cbc1061e8d9c115bd42821728a5'>nls: Update 'hu' translation.</a></td><td>Leo Famulari</td></tr>
<tr><td><span title='2017-12-18 11:12:41 +0100'>2017-12-18</span></td><td><a href='/guix/commit/po?id=44233027243700e8a5a973149d51392262bd9833'>nls: Update 'hu' translation.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-12-04 10:36:48 +0100'>2017-12-04</span></td><td><a href='/guix/commit/po?id=b9aab870e5d224f5ae9499a4aa6053f692d7852c'>nls: Update 'fr' translation.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-28 23:34:25 +0100'>2017-11-28</span></td><td><a href='/guix/commit/po?id=3af03e5967cf49ed1a4382dad7d75daa95ec5217'>services: certbot: Add default value and description.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/certbot.scm (certbot-service-type)
[default-value, description]: New fields.
* po/packages/POTFILES.in: Add it.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-28 23:34:25 +0100'>2017-11-28</span></td><td><a href='/guix/commit/po?id=a222b734b38f93b014b21e4d538002a5fec71b8a'>services: cgit, git-daemon: Add description and default value.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/version-control.scm (git-daemon-service-type)
[description, default-value]: New fields.
(cgit-service-type)[default-value]: New field.
* po/packages/POTFILES.in: Add version-control.scm.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-08 22:36:20 +0100'>2017-11-08</span></td><td><a href='/guix/commit/po?id=c5a4a92f1a796e342b7db4c458f1fdb61ffc8d40'>gnu: Improve error reporting of the use-.*modules macros.</a><span class='msg-avail'>...<span class='msg-tooltip'>Suggested by Julien Lepiller and myglc2
at &lt;https://lists.gnu.org/archive/html/guix-devel/2017-11/msg00106.html&gt;.

* gnu.scm (%try-use-modules): New procedure.
(package-module-hint, service-module-hint): New procedures.
(try-use-modules): New macro.
(use-package-modules, use-service-modules, use-system-modules): Use it.
* tests/guix-system.sh: Test it.
</span></span></td><td>Ludovic Courtès</td></tr>