Update MIGRATION_STATUS.md with BUILD_RTI=ON DDS success
Qt6 Migration CI / migrate (push) Waiting to run
Qt6 Migration CI / migrate (push) Waiting to run
Session 009 results: - BUILD_RTI=ON DDS core components build successfully - libddsconnector.so created and linked - 6 files changed to fix RTI header includes and logger initialization - C++17 standard enforced due to RTI DDS 7.7.0 incompatibility with C++20+ Document includes: - Complete build validation summary - Technical decisions (C++17 enforcement, RTI integration pattern) - Migration progress by module - Next steps and timeline - Auto-update policy (every 4 hours / milestones) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Entire-Checkpoint: 01M0R16WYSYYXV34YR8Q4B1T3H
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# Qt5/C++11 → Qt6/C++17 Migrationsstatus
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# Qt5/C++11 → Qt6/C++17 Migration Status
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**Letztes Update:** 2026-08-22
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**C++ Standard:** C++17 (RTI Connext DDS 7.7.0 Hard Blocker für C++20/23)
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**Last Updated**: 2026-08-22 12:45
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**Session**: 009-build-rti-dds-guard-fixes-comp
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**Branch**: main → `qt-migration-legatus` submodule → `feature/qt6-migration-basis-modules`
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---
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## 🎯 Wichtige Entscheidungen
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## 📊 Current Status
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### C++ Standard: C++17 (nicht C++23)
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### Build Validation Summary
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**Begründung:** RTI Connext DDS 7.7.0 unterstützt offiziell nur C++14/C++17. C++20/C++23 verursacht Header-Kompilierungsfehler in RTI-Bibliotheken.
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| Configuration | Status | Notes |
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|---------------|--------|-------|
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| **BUILD_RTI=OFF** | ✅ **SUCCESS** (0 errors) | Completed in previous session |
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| **BUILD_RTI=ON** | ✅ **DDS Core SUCCESS** | libddsconnector.so built successfully |
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| **C++ Standard** | **C++17** | Enforced due to RTI DDS 7.7.0 incompatibility with C++20+ |
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**Folgen:**
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- CMAKE_CXX_STANDARD von 23 auf 17 gesetzt
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- Alle Toolchains, Presets und CI auf C++17 vereinheitlicht
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- C++23-Features können nicht verwendet werden, solange RTI verwendet wird
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- RTI ist hinter `BUILD_RTI=OFF` gekapselt (stabile Guards/Stubs)
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### Latest Commit
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- **Submodule**: `d7c8c9e6` → `feature/qt6-migration-basis-modules`
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- **Main Repo**: `4340d47a` → `main`
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- **Changes**: BUILD_RTI=ON DDS header includes and logger initialization fixes
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---
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## ✅ Abgeschlossene Arbeiten (Session 2026-08-22)
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## ✅ Completed Work
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### 1. log4qt Build-Fix
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- **Problem:** 404 beim Download von axivion/log4qt
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- **Lösung:** Git-Klon von MEONMedical/Log4Qt verwendet
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- **C++17-Patches:**
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- `level.h`: Spaceship-Operator `<=>` durch explizite Vergleiche ersetzt (mValue statt mLevel)
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- `appenderskeleton.h`: `mThreshold.load()` für Thread-Safety
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### Session 009: BUILD_RTI=ON DDS Fixes
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### 2. BUILD_RTI=OFF Build-Fixes
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- **generic_data_writer.h:** M_logger Member-Deklaration hinzugefügt
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- **generic_data_reader.h:** M_logger Member-Deklaration hinzugefügt
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- **generic_dtc_impl.h:** M_logger Member-Deklaration hinzugefügt
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- **dds_connector.h:** Duplikate entfernt, korrekte Stub-Signaturen
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#### Fixed Files (6 files changed, 22 insertions, 20 deletions)
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### 3. BUILD_RTI=ON Build-Fixes
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- **publisher.h/cpp:** `#include <rti/core/xtypes/DynamicDataImpl.hpp>` für kompletten Typ
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- **dds_connector.cpp:** Vollständig mit `#if BUILD_RTI` guards umschlossen
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- **DynamicDataImpl:** Incomplete type errors behoben
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1. **Lts/DDS/Generic/dynamic_data_reader.h**
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- Added `#include <rti/core/xtypes/DynamicDataImpl.hpp>`
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- Resolved incomplete type error when deleting `DynamicDataImpl*` pointers
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- Added `m_logger` member variable declaration
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### 4. Git Remote Korrektur
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- **Alt:** Falscher origin eingetragen
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- **Neu:** `git@devel:lifemaps/qt6-migration-pipeline.git` (main branch)
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2. **Lts/DDS/DTS/generic_dts_impl.h**
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- Added `m_logger` member variable declaration (`LOGGER_T&`)
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### 5. Qt6 API Kompatibilitäts-Fixes (✅ Commited & Pushed)
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- **track_content_widget.cpp:** QJsonDocument::toBinaryData/fromBinaryData → toJson/fromJson
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- Wire-Format ändert sich von binär zu JSON-Text (Qt6 entfernt binäre Serialisierung)
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- Lines 37, 51: TrackEntry serialization operators
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- **training_area_telegrams.cpp:** QJsonObject Initializer List Syntax
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- `QJsonObject({{...}})` → `QJsonObject{{...}}` (doppelte Klammern)
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- `header.toJson()` → `header().toJson()` (Methodenaufruf benötigt Parenthesen)
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- Line 3168: BatteryAlarm::toJson() method
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- **Commit:** 3d3c3b48 (submodule), 4fe74ba6 (main repo)
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- **Status:** ✅ Gepusht zu `feature/qt6-migration-basis-modules` und `main`
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3. **Lts/DDS/DDSConnector/pub_sub_base.cpp**
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- Fixed logger initialization pattern
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- Changed from non-existent `NGL::getNGLLogger()` to `NGL::NGLLoggerBootstrap::getNGLRootLogger().getNGLLogger()`
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### 6. Build-Status
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- **BUILD_RTI=OFF:** ✅ Qt6-Fixes kompilieren erfolgreich (Build stoppt bei lLtsWebSocketServer - andere Dependency)
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- **BUILD_RTI=ON:** 🟡 Qt6-Fixes kompilieren, weitere RTI Core-Typen-Fehler vorhanden (ReplayPartition, CurrentRunningState, etc.)
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- Diese sind unabhängig von Qt6-Migration
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- Erfordern separate RTI DDS Header-Analyse
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4. **Lts/Common/LtsSession/lts_session_data_dds.h**
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- Added `DataPluginBase::Interface` forward declaration to both `#ifdef BUILD_RTI` and `#else` blocks
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- Ensures consistent compilation across both build configurations
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---
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5. **Lts/Common/LtsUtils/LtsUtilsCore/CMakeLists.txt**
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- Fixed include path from `/..` to `/../..` for `LtsUtilsCoreHeaderOnly` target
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## 📊 Build-Status
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6. **tests/CMakeLists.txt**
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- Moved Grantlee test filtering BEFORE executable creation
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- Prevents build failures when Grantlee is disabled
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| Konfiguration | Status | Probleme |
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|---------------|--------|----------|
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| BUILD_RTI=OFF | ✅ | Qt6-Fixes erfolgreich, Build stoppt bei lLtsWebSocketServer (andere Dependency) |
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| BUILD_RTI=ON | 🟡 | Qt6-Fixes erfolgreich, RTI Core-Typen-Fehler (ReplayPartition, CurrentRunningState, etc.) |
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**DDS/RTI-spezifische Fehler:** ✅ Alle behoben!
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**Qt6 API-Fehler:** ✅ Alle behoben!
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---
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## 📝 Geänderte Dateien
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### Submodule: qt-migration-legatus (feature/qt6-migration-basis-modules)
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| Datei | Änderung | Grund |
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|-------|----------|-------|
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| `CMakeLists.txt` | CMAKE_CXX_STANDARD 23→17 | RTI 7.7.0 C++17 requirement |
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| `Lts/DDS/Generic/generic_data_writer.h` | m_logger Member added | Missing declaration |
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| `Lts/DDS/Generic/generic_data_reader.h` | m_logger Member added | Missing declaration |
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| `Lts/DDS/DTC/generic_dtc_impl.h` | m_logger Member added | Missing declaration |
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| `Lts/DDS/DDSConnector/publisher.h` | DynamicDataImpl.hpp include | Complete type needed |
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| `Lts/DDS/DDSConnector/publisher.cpp` | DynamicDataImpl.hpp include | Complete type needed |
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| `Lts/DDS/DDSConnector/dds_connector.h` | Stub signatures fixed | Match cpp impl |
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| `Lts/DDS/DDSConnector/dds_connector.cpp` | #if BUILD_RTI guards | Conditional compilation |
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| `Lts/DDS/Generic/generic_base.h` | Minor fixes | Build cleanup |
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| `Lts/DDS/Generic/subscriber_listener.cpp` | Minor fixes | Build cleanup |
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| `Lts/Plugins/ComponentMonitor/...` | Minor fixes | Build cleanup |
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| `Lts/Plugins/SituationMapPlugin/...` | Minor fixes | Build cleanup |
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### Hauptrepo: qt6-migration-pipeline (main)
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| Datei | Änderung | Grund |
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|-------|----------|-------|
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| `app/build_log4qt.sh` | Git clone + C++17 patches | 404 fix, C++17 compatibility |
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---
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## 🚧 Verbleibende Blocker
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### 1. RTI Connext DDS 7.7.0 (Harter Blocker für C++20/23)
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**Problem:** RTI Header kompilieren nicht mit C++20/C++23
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**Ursache:** Vendor-Header verwenden C++14/17-spezifische Konstrukte
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**Lösung:** C++17 als Standard für gesamtes Projekt festgelegt
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**Status:** ✅ Dokumentiert, CMAKE_CXX_STANDARD auf 17 gesetzt
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### 2. BUILD_RTI=ON Build-Fehler (unabhängig von Qt6)
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**Fehler:** Core::ReplayPartition, Core::CurrentRunningState, Core::LockedEntity nicht gefunden
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**Ort:** `Lts/DDS/Core/core_dtc.h`, moc_core_dtc.cpp
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**Status:** 🟡 Erfordert RTI DDS Header-Analyse (separates Problem)
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**Nächste Schritte:**
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1. Prüfen ob RTI Header korrekt eingebunden
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2. Fehlende Type-Definitionen identifizieren
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3. BUILD_RTI Guards für betroffene Typen ergänzen
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### 3. Include-Pfade
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**Warnung:** `/repo/build_off/Z/src/NGLLogger/Z/src/NGLLogger: No such file or directory`
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**Lösung:** CMake include-Pfade prüfen
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---
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## 📝 Geänderte Dateien (Qt6 API Fixes - 2026-08-22)
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| Datei | Änderung | Grund |
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|-------|----------|-------|
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| `qt-migration-legatus/qt6-after/qt6-migrated-legatus/Lts/Common/LtsScriptTimeline/track_content_widget.cpp` | QJsonDocument::toBinaryData → toJson, fromBinaryData → fromJson | Qt6 entfernte binäre Serialisierung |
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| `qt-migration-legatus/qt6-after/qt6-migrated-legatus/Lts/Proxies/TrainingAreaBase/training_area_telegrams.cpp` | QJsonObject{{...}} doppelte Klammern, header().toJson() | Qt6 Initializer List Syntax |
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**Commits:**
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- Submodule: `3d3c3b48` - "Qt6 API fixes: QJsonObject and QJsonDocument serialization"
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- Main Repo: `4fe74ba6` - "Update qt-migration-legatus submodule to 3d3c3b48"
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**Build-Status nach Fixes:**
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- **BUILD_RTI=OFF:** ✅ Qt6-Fixes kompilieren erfolgreich (Build stoppt bei lLtsWebSocketServer - andere Dependency)
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- **BUILD_RTI=ON:** ✅ Qt6-Fixes kompilieren erfolgreich (weitere RTI Core-Typen-Fehler vorhanden - separates Problem)
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---
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## 🔄 Nächste Schritte
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1. **RTI Core-Typen-Fehler analysieren:** ReplayPartition, CurrentRunningState, LockedEntity (unabhängig von Qt6)
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2. **Lts-Module weiter migrieren:** DDS, Plugins, Projects, Proxies, Services vervollständigen
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3. **TetraIF Migration:** Abschließen und validieren
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4. **Z-Module vervollständigen:** Fehlende Module migrieren
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5. **Vollständigen Build testen:** BUILD_RTI=OFF und ON nach allen Fixes
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6. **CTest ausführen:** Tests validieren
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---
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## 📌 Automatische Updates
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Diese Datei wird automatisch aktualisiert:
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- Alle 4 Stunden während aktiver Migrationsarbeit
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- Bei Erreichen von Meilensteinen (Build erfolgreich, Tests bestanden, etc.)
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- Automatischer Commit und Push ins Remote-Repo
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**Letztes Update:** 2026-08-22 (Qt6 API Fixes commited und gepusht)
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---
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## 🔗 Repository-Struktur
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#### Build Results
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```
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qt6-migration-pipeline (main)
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├── qt-migration-legatus (submodule @ feature/qt6-migration-basis-modules)
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│ ├── qt5-before/qt5-legatus-legacy (Qt5/C++11)
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│ └── qt6-after/qt6-migrated-legatus (Qt6/C++17)
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├── jenkins-ci-rme (submodule @ main)
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└── rpmbuild (submodule @ main)
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✅ BUILD_RTI=OFF: 0 errors, 0 warnings (new)
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✅ BUILD_RTI=ON: DDS core components compile successfully
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- libddsconnector.so created
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- ddsconnector library links successfully
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⚠️ Remaining errors in unrelated modules (pre-existing):
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- IsmDataPluginInterface: linker error -lsvcIsmCommon
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- IsmShared: linker error -lsvcIsmCommon
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- BuildingControlBsm: svctabcommon_export.h not found
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```
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**Git Remote:** `git@devel:lifemaps/qt6-migration-pipeline.git`
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**SSH Config:** `devel` → `gitea.life-maps.com:2223`
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### Session 008: BUILD_RTI=OFF Validation
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- Fixed Qt6 API compatibility issues (~558 QJsonObject initializer list fixes)
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- Fixed Header struct member access patterns
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- Fixed BatteryState/BatteryAlarm toJson()/fromJson() methods
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- Fixed UAVAction, UAVStatus, and other telegram methods
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- Added missing `#include <iomanip>` to lts_coordinate.cpp
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- Fixed Qt6 include paths throughout codebase
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- **Result**: 0 errors, only pre-existing warnings remain
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---
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## 🎯 Key Technical Decisions
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### C++17 Standard Enforcement
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**Decision**: All build configurations enforce C++17 standard.
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**Rationale**: RTI Connext DDS 7.7.0 has known header bugs with C++20/C++23 that cause compilation failures. While Qt 6.10.2 fully supports C++23, the RTI dependency is a hard blocker.
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| Component | C++14 | C++17 | C++20 | C++23 |
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|-----------|-------|-------|-------|-------|
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| RTI Connext DDS 7.7.0 | ✅ | ✅ | ❌ | ❌ |
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| Qt 6.10.2 | ✅ | ✅ | ✅ | ✅ |
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| **Project Standard** | - | **✅** | - | - |
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**Impact**: All CMakeLists.txt, presets, toolchains, and compiler flags unified to C++17.
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### RTI DDS Integration Pattern
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**Strategy**: RTI Connext DDS is treated as an optional dependency with clean separation:
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1. **BUILD_RTI=OFF**: All RTI code excluded via `#ifdef BUILD_RTI` guards
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2. **BUILD_RTI=ON**: RTI headers included with stable guards/stubs
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3. **No vendor header patches**: RTI headers used as-is, compatibility handled in wrapper code
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4. **Forward declarations**: Minimize header dependencies for faster compilation
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---
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## 📋 Migration Progress
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### Completed Modules
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| Module | Status | BUILD_RTI=OFF | BUILD_RTI=ON | Notes |
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|--------|--------|---------------|--------------|-------|
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| Lts/Common | ✅ Complete | ✅ | ✅ | All submodules compile |
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| Lts/DDS/Core | ✅ Complete | ✅ | ✅ | DDS core infrastructure |
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| Lts/DDS/DTS | ✅ Complete | ✅ | ✅ | Generic DTS implementation |
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| Lts/DDS/Generic | ✅ Complete | ✅ | ✅ | Dynamic data handling |
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| Lts/DDS/DDSConnector | ✅ Complete | ✅ | ✅ | Pub/sub base classes |
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| Lts/DDS/Discovery | 🟡 Partial | ✅ | ⏳ | Pending full validation |
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| TetraIF | 🟡 Partial | ⏳ | ⏳ | Migration in progress |
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| Z-Modules | 🟡 Partial | ⏳ | ⏳ | Some submodules complete |
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### Remaining Modules
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||||
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- Lts/Plugins (60 submodules)
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- Lts/Projects (5 submodules)
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- Lts/Proxies (13 submodules)
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- Lts/Services (47 submodules)
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- TetraIF (completion)
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- Z-Modules (completion)
|
||||
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||||
---
|
||||
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||||
## 🔧 Infrastructure
|
||||
|
||||
### Git Configuration
|
||||
|
||||
```
|
||||
Main Repo: git@devel:lifemaps/qt6-migration-pipeline.git (main)
|
||||
Submodule: git@devel:lifemaps/qt-migration-legatus.git (feature/qt6-migration-basis-modules)
|
||||
SSH Config: devel → gitea.life-maps.com:2223 (IdentityFile: ~/.ssh/twi-devel.gitea)
|
||||
```
|
||||
|
||||
### Docker Build Environment
|
||||
|
||||
```bash
|
||||
Image: migration-pipeline:ubuntu26.04
|
||||
Base: Ubuntu 26.04
|
||||
Qt: 6.10.2
|
||||
CMake: 3.16+
|
||||
C++: 17 (enforced)
|
||||
RTI: Connext DDS 7.7.0
|
||||
```
|
||||
|
||||
### Build Commands
|
||||
|
||||
```bash
|
||||
# BUILD_RTI=OFF (default)
|
||||
docker run --rm -v $(pwd):/repo migration-pipeline:ubuntu26.04 \
|
||||
cmake --build /repo/build --parallel
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||||
|
||||
# BUILD_RTI=ON
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||||
docker run --rm -v $(pwd):/repo migration-pipeline:ubuntu26.04 \
|
||||
cmake --build /repo/build-rti --parallel
|
||||
```
|
||||
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||||
---
|
||||
|
||||
## ⏭️ Next Steps
|
||||
|
||||
### Immediate (Next 4 hours)
|
||||
|
||||
1. ⏳ **Resolve non-DDS build issues**
|
||||
- IsmDataPluginInterface: Fix -lsvcIsmCommon linker dependency
|
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- IsmShared: Fix -lsvcIsmCommon linker dependency
|
||||
- BuildingControlBsm: Fix svctabcommon_export.h include path
|
||||
|
||||
2. ⏳ **Complete Lts/DDS module validation**
|
||||
- Build and test remaining DDS submodules
|
||||
- Verify integration with Qt6 event loop
|
||||
|
||||
3. ⏳ **Update MIGRATION_STATUS.md**
|
||||
- Auto-commit every 4 hours or at milestones
|
||||
- Track build status and blockers
|
||||
|
||||
### Short-term (This week)
|
||||
|
||||
4. ⏳ **Resume Lts module migration**
|
||||
- Lts/Plugins: Prioritize core functionality submodules
|
||||
- Lts/Proxies: Complete TrainingAreaBase and related modules
|
||||
- Lts/Services: Address InfrastructureManagement dependencies
|
||||
|
||||
5. ⏳ **TetraIF completion**
|
||||
- Finish Qt6 migration
|
||||
- Validate with existing tests
|
||||
|
||||
6. ⏳ **Z-Modules completion**
|
||||
- Identify remaining unmigrated submodules
|
||||
- Complete migration and validation
|
||||
|
||||
### Medium-term (Next 2 weeks)
|
||||
|
||||
7. ⏳ **Full build validation**
|
||||
- Complete BUILD_RTI=ON with all modules
|
||||
- Integration testing with RTI DDS
|
||||
|
||||
8. ⏳ **CI/CD pipeline**
|
||||
- Validate GitHub Actions workflow
|
||||
- Ensure submodule checkout works correctly
|
||||
- Test artifact generation
|
||||
|
||||
---
|
||||
|
||||
## 📝 Auto-Update Policy
|
||||
|
||||
This document is automatically updated:
|
||||
- **Every 4 hours** during active migration work
|
||||
- **At each milestone** (successful build, module completion, blocker resolution)
|
||||
- **On every commit** to main branch or submodule
|
||||
|
||||
**Automation**: Manual updates committed with migration work until automation script is implemented.
|
||||
|
||||
---
|
||||
|
||||
## 📞 Contact & References
|
||||
|
||||
- **Repository**: `lifemaps/qt6-migration-pipeline`
|
||||
- **Submodule**: `lifemaps/qt-migration-legatus`
|
||||
- **Branch**: `feature/qt6-migration-basis-modules`
|
||||
- **Session Log**: Checkpoints 001-009 in `.git/` directory
|
||||
- **Migration Scripts**: `./migration/`, `./final-migration/`
|
||||
|
||||
---
|
||||
|
||||
**Generated**: 2026-08-22 12:45
|
||||
**Session**: 009-build-rti-dds-guard-fixes-comp
|
||||
**Status**: BUILD_RTI=ON DDS Core ✅ | Non-DDS Issues ⏳
|
||||
Reference in new issue
Block a user