gnu: qtbase: Disable problematic tests on powerpc64le.

* gnu/packages/qt.scm (qtbase) [arguments] [powerpc64le]: Disable the
tst_qpainter, tst_qprocess and tst_qsqlthread tests in the check phase.

Series-changes: 3
- New commit

gnu/packages/qt.scm

@@ -792,6 +792,7 @@ developers using C++ or QML, a CSS & JavaScript like language.")
                    (string-append
                     "("
                     (string-join
+                     (append
                       (list
                        ;; The 'tst_moc' test fails with "'fi.exists()' returned FALSE".
                        "tst_moc"
@@ -859,6 +860,7 @@ developers using C++ or QML, a CSS & JavaScript like language.")
                        ;; QPA plugin doesn't implement generatePeekerId",
                        ;; likely requires a real display.
                        "tst_qx11info"
+
                        ;; The 'tst_qgraphicswidget' test fails because "This
                        ;; plugin does not support propagateSizeHints".
                        "tst_qgraphicswidget"
@@ -870,7 +872,27 @@ developers using C++ or QML, a CSS & JavaScript like language.")
                        "tst_qcompleter"
                        "tst_qfiledialog"
                        ;; This test is susceptible to the 600 ms timeout used:
-                      "tst_qpauseanimation") "|") ")")))))
+                       "tst_qpauseanimation")
+                      #$@(if (target-ppc64le?)
+                             #~((list
+                                 ;; The 'tst_QPainter::fpe_radialGradients'
+                                 ;; test fails with a 'Floating point
+                                 ;; exception' error on powerpc64le (see:
+                                 ;; https://bugreports.qt.io/browse/QTBUG-117113).
+                                 "tst_qpainter"
+
+                                 ;; The 'startStopStartStopBuffers' test fails
+                                 ;; on the powerpc64le architecture (see:
+                                 ;; https://bugreports.qt.io/browse/QTBUG-80953).
+                                 "tst_qprocess"
+
+                                 ;; The 'tst_QSqlThread::readWriteThreading'
+                                 ;; test may fail with an sqlite related error,
+                                 ;; "'Unable to fetch row' || 'database is
+                                 ;; locked'" (see:
+                                 ;; https://bugreports.qt.io/browse/QTBUG-117114).
+                                 "tst_qsqlthread"))
+                             #~())) "|") ")")))))
             (replace 'patch-mkspecs
               (lambda* (#:key outputs #:allow-other-keys)
                 (let* ((archdata (search-input-directory outputs "lib/qt6"))