Hello, The compilation fails with the error:
--8<---------------cut here---------------start------------->8--- In file included from /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtest.h:45:0, from /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/QtTest:11, from /tmp/guix-build-elisa-0.4.2.drv-0/elisa-0.4.2/autotests/mediaplaylisttest.cpp:27: /tmp/guix-build-elisa-0.4.2.drv-0/elisa-0.4.2/autotests/mediaplaylisttest.cpp: In member function ‘void MediaPlayListTest::restoreTrackWithoutAlbum()’: /tmp/guix-build-elisa-0.4.2.drv-0/elisa-0.4.2/autotests/mediaplaylisttest.cpp:3048:5: error: call of overloaded ‘qCompare(QString, <brace-enclosed initializer list>, const char [77], const char [3], const char [78], int)’ is ambiguous QCOMPARE(myPlayList.data(myPlayList.index(0, 0), MediaPlayList::AlbumRole).toString(), {}); ^ In file included from /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtest.h:45:0, from /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/QtTest:11, from /tmp/guix-build-elisa-0.4.2.drv-0/elisa-0.4.2/autotests/mediaplaylisttest.cpp:27: /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtestcase.h:349:17: note: candidate: bool QTest::qCompare(const T&, const T&, const char*, const char*, const char*, int) [with T = QString] inline bool qCompare(T const &t1, T const &t2, const char *actual, const char *expected, ^~~~~~~~ /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtestcase.h:372:27: note: candidate: bool QTest::qCompare(QStringView, QStringView, const char*, const char*, const char*, int) Q_TESTLIB_EXPORT bool qCompare(QStringView t1, QStringView t2, ^~~~~~~~ /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtestcase.h:375:27: note: candidate: bool QTest::qCompare(QStringView, const QLatin1String&, const char*, const char*, const char*, int) Q_TESTLIB_EXPORT bool qCompare(QStringView t1, const QLatin1String &t2, ^~~~~~~~ /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtestcase.h:381:17: note: candidate: bool QTest::qCompare(const QString&, const QString&, const char*, const char*, const char*, int) inline bool qCompare(const QString &t1, const QString &t2, ^~~~~~~~ /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtestcase.h:387:17: note: candidate: bool QTest::qCompare(const QString&, const QLatin1String&, const char*, const char*, const char*, int) inline bool qCompare(const QString &t1, const QLatin1String &t2, ^~~~~~~~ In file included from /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtest_widgets.h:51:0, from /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtest.h:462, from /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/QtTest:11, from /tmp/guix-build-elisa-0.4.2.drv-0/elisa-0.4.2/autotests/mediaplaylisttest.cpp:27: /gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/include/qt5/QtTest/qtest_gui.h:192:13: note: candidate: bool QTest::qCompare(const QPixmap&, const QPixmap&, const char*, const char*, const char*, int) inline bool qCompare(QPixmap const &t1, QPixmap const &t2, const char *actual, const char *expected, ^~~~~~~~ [...] [100%] Built target databaseInterfaceTest make[1]: Leaving directory '/tmp/guix-build-elisa-0.4.2.drv-0/build' make: *** [Makefile:144: all] Error 2 command "make" "-j" "24" failed with status 2 --8<---------------cut here---------------end--------------->8--- Thanks, Maxim