Reported as <https://github.com/sgimenez/laby/pull/68>

diff --git a/build b/build
index 992a9e3..0df74d9 100755
--- a/build
+++ b/build
@@ -7,7 +7,6 @@ source build.conf || exit 1
 
 export PREFIX=${PREFIX-/usr}
 export DATADIR=${DATADIR-${PREFIX}/share}
-export TMPDIR=${TMPDIR-/tmp}
 
 export PROJECT_NAME=${PROJECT_NAME-unknown}
 export PROJECT_VERSION=${PROJECT_VERSION-unknown}
diff --git a/src/config.sh b/src/config.sh
index 19d4160..9338aad 100644
--- a/src/config.sh
+++ b/src/config.sh
@@ -29,5 +29,4 @@ let build_ocaml = "${OCAML_VERSION}"
 let build_lablgtk = "${BUILD_LABLGTK}"
 let build_lablgtk_sourceview = "${BUILD_LABLGTKSV}"
 let _ = Res.sys_data_dir := "${DATADIR}"
-let _ = Res.sys_tmp_dir := "${TMPDIR}"
 EOF
diff --git a/src/laby.ml b/src/laby.ml
index b77f2b2..e17acb9 100644
--- a/src/laby.ml
+++ b/src/laby.ml
@@ -48,6 +48,7 @@ let opts =
 
 let _ =
   Printexc.record_backtrace true;
+  Res.sys_tmp_dir := Filename.get_temp_dir_name ();
   Run.init
     ~name:Config.project_name
     ~conf:(conf, ["conf"])
-- 
2.34.1


<tr><td class='sub'>Tool to build packages for Hydrilla to serve</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a class='active' href='/hydrilla-builder/about/?h=koszko'>about</a><a href='/hydrilla-builder/?h=koszko'>summary</a><a href='/hydrilla-builder/refs/?h=koszko&amp;id=6f745d21bf2005d1f86e65f3d5e0b3b496613326'>refs</a><a href='/hydrilla-builder/log/?h=koszko'>log</a><a href='/hydrilla-builder/tree/?h=koszko&amp;id=6f745d21bf2005d1f86e65f3d5e0b3b496613326'>tree</a><a href='/hydrilla-builder/commit/?h=koszko&amp;id=6f745d21bf2005d1f86e65f3d5e0b3b496613326'>commit</a><a href='/hydrilla-builder/diff/?h=koszko&amp;id=6f745d21bf2005d1f86e65f3d5e0b3b496613326'>diff</a></td><td class='form'><form class='right' method='get' action='/hydrilla-builder/log/'>
<input type='hidden' name='h' value='koszko'/><input type='hidden' name='id' value='6f745d21bf2005d1f86e65f3d5e0b3b496613326'/><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='content'><div id='summary'><pre>
# SPDX-License-Identifier: CC0-1.0

# Copyright (C) 2022 Wojtek Kosior &lt;koszko@koszko.org&gt;
#
# Available under the terms of Creative Commons Zero v1.0 Universal.

[build-system]
build-backend = &quot;setuptools.build_meta&quot;
requires = [&quot;setuptools&gt;=44&quot;, &quot;wheel&quot;, &quot;setuptools_scm&gt;=5.0&quot;, &quot;babel&quot;]

[tool.setuptools_scm]
write_to = &quot;src/hydrilla/builder/_version.py&quot;

[tool.pytest.ini_options]
minversion = &quot;6.0&quot;
addopts = &quot;-ra&quot;
testpaths = [
    &quot;tests&quot;
]
markers = [
    &quot;subprocess_run: define how mocked subprocess.run should behave&quot;
]
</pre>
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