<table><tr><td style="">kossebau added a comment.
</td><a style="text-decoration: none; padding: 4px 8px; margin: 0 8px 8px; float: right; color: #464C5C; font-weight: bold; border-radius: 3px; background-color: #F7F7F9; background-image: linear-gradient(to bottom,#fff,#f1f0f1); display: inline-block; border: 1px solid rgba(71,87,120,.2);" href="https://phabricator.kde.org/D6772" rel="noreferrer">View Revision</a></tr></table><br /><div><div><blockquote style="border-left: 3px solid #8C98B8;
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<div style="font-style: normal;
padding-bottom: 4px;">In <a href="https://phabricator.kde.org/D6772#126799" style="background-color: #e7e7e7;
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color: black;text-decoration: none;" rel="noreferrer">D6772#126799</a>, <a href="https://phabricator.kde.org/p/apol/" style="
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<p>When KDE_INSTALL_USE_QT_SYS_PATHS is explicitely set to ON but no qmake-qt5 executable found (like <a href="https://phabricator.kde.org/p/rdieter/" style="
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Just, e.g. KDEInstallDirs code does not check for that empty string/error, but assumes a proper value to be returned when using it for estimating the Qt system paths, e.g. like this:</p>
<div class="remarkup-code-block" style="margin: 12px 0;" data-code-lang="text" data-sigil="remarkup-code-block"><pre class="remarkup-code" style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; padding: 12px; margin: 0; background: rgba(71, 87, 120, 0.08);">query_qmake(qt_plugins_dir QT_INSTALL_PLUGINS)
_define_absolute(QTPLUGINDIR ${qt_plugins_dir}
"Qt plugins"
QT_PLUGIN_INSTALL_DIR)</pre></div>
<p>And given there is no sane default here, but instead we expect to get the paths from qmake, these kinds of calls to query_qmake should fail hard if there no executable.</p></div></div><br /><div><strong>REPOSITORY</strong><div><div>R240 Extra CMake Modules</div></div></div><br /><div><strong>REVISION DETAIL</strong><div><a href="https://phabricator.kde.org/D6772" rel="noreferrer">https://phabricator.kde.org/D6772</a></div></div><br /><div><strong>To: </strong>kossebau, Frameworks, ltoscano, rdieter, apol<br /><strong>Cc: </strong>Build System<br /></div>