On Mon, 9 Jan 2023, Jürgen Spitzmüller wrote:
Try with the configure option --enable-qt4
Jürgen, Changing the configure variable from qt5 to qt4 makes no difference. The same error(s) stop the build: GEN moc_SystemcallPrivate.cpp make all-am make[5]: Entering directory '/tmp/SBo/lyx-2.3.7/src/support' CXX FileMonitor.o In file included from FileMonitor.cpp:262:0: moc_FileMonitor.cpp:13:2: error: #error "This file was generated using the moc from 4.8.7. It" #error "This file was generated using the moc from 4.8.7. It" ^ moc_FileMonitor.cpp:14:2: error: #error "cannot be used with the include files from this version of Qt." #error "cannot be used with the include files from this version of Qt." ^ moc_FileMonitor.cpp:15:2: error: #error "(The moc has changed too much.)" #error "(The moc has changed too much.)" ^ moc_FileMonitor.cpp:64:7: error: ‘QMetaObjectExtraData’ does not name a type const QMetaObjectExtraData lyx::support::FileMonitorGuard::staticMetaObjectExtraData = { ^ moc_FileMonitor.cpp:70:53: error: ‘staticMetaObjectExtraData’ was not declared in this scope qt_meta_data_lyx__support__FileMonitorGuard, &staticMetaObjectExtraData } ^ moc_FileMonitor.cpp: In member function ‘virtual const QMetaObject* lyx::support::FileMonitorGuard::metaObject() const’: moc_FileMonitor.cpp:79:71: error: conditional expression between distinct pointer types ‘QDynamicMetaObjectData*’ and ‘const QMetaObject*’ lacks a cast return QObject::d_ptr->metaObject ? QObject::d_ptr->metaObject : &staticMetaObject; ^ moc_FileMonitor.cpp: At global scope: moc_FileMonitor.cpp:152:7: error: ‘QMetaObjectExtraData’ does not name a type const QMetaObjectExtraData lyx::support::FileMonitor::staticMetaObjectExtraData = { ^ moc_FileMonitor.cpp:158:48: error: ‘staticMetaObjectExtraData’ was not declared in this scope qt_meta_data_lyx__support__FileMonitor, &staticMetaObjectExtraData } ^ moc_FileMonitor.cpp: In member function ‘virtual const QMetaObject* lyx::support::FileMonitor::metaObject() const’: moc_FileMonitor.cpp:167:71: error: conditional expression between distinct pointer types ‘QDynamicMetaObjectData*’ and ‘const QMetaObject*’ lacks a cast return QObject::d_ptr->metaObject ? QObject::d_ptr->metaObject : &staticMetaObject; ^ moc_FileMonitor.cpp: At global scope: moc_FileMonitor.cpp:239:7: error: ‘QMetaObjectExtraData’ does not name a type const QMetaObjectExtraData lyx::support::ActiveFileMonitor::staticMetaObjectExtraData = { ^ moc_FileMonitor.cpp:245:54: error: ‘staticMetaObjectExtraData’ was not declared in this scope qt_meta_data_lyx__support__ActiveFileMonitor, &staticMetaObjectExtraData } ^ moc_FileMonitor.cpp: In member function ‘virtual const QMetaObject* lyx::support::ActiveFileMonitor::metaObject() const’: moc_FileMonitor.cpp:254:71: error: conditional expression between distinct pointer types ‘QDynamicMetaObjectData*’ and ‘const QMetaObject*’ lacks a cast return QObject::d_ptr->metaObject ? QObject::d_ptr->metaObject : &staticMetaObject; ^ Makefile:977: recipe for target 'FileMonitor.o' failed make[5]: *** [FileMonitor.o] Error 1 make[5]: Leaving directory '/tmp/SBo/lyx-2.3.7/src/support' Makefile:828: recipe for target 'all' failed make[4]: *** [all] Error 2 make[4]: Leaving directory '/tmp/SBo/lyx-2.3.7/src/support' Makefile:2806: recipe for target 'all-recursive' failed make[3]: *** [all-recursive] Error 1 make[3]: Leaving directory '/tmp/SBo/lyx-2.3.7/src' Makefile:1900: recipe for target 'all' failed make[2]: *** [all] Error 2 make[2]: Leaving directory '/tmp/SBo/lyx-2.3.7/src' Makefile:579: recipe for target 'all-recursive' failed make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory '/tmp/SBo/lyx-2.3.7' Makefile:474: recipe for target 'all' failed make: *** [all] Error 2 Thanks for the suggestion, Rich -- lyx-users mailing list lyx-users@lists.lyx.org http://lists.lyx.org/mailman/listinfo/lyx-users