removed qmake and Qt5 support

.github/workflows/CI-unixish-docker.yml

@@ -99,7 +99,7 @@ jobs:
       - name: CMake build (with GUI)
         if: matrix.build_gui
         run: |
-          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
           cmake --build cmake.output -- -j$(nproc)
 
       - name: Run CMake test

.github/workflows/CI-unixish.yml

@@ -21,10 +21,6 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, ubuntu-22.04, macos-12]
-        include:
-          - use_qt6: On
-          - os: ubuntu-20.04
-            use_qt6: Off
       fail-fast: false # Prefer quick result
 
     runs-on: ${{ matrix.os }}
@@ -42,13 +38,7 @@ jobs:
           key: ${{ github.workflow }}-${{ github.job }}-${{ matrix.os }}
 
       - name: Install missing software on ubuntu
-        if: contains(matrix.os, 'ubuntu') && matrix.use_qt6 == 'Off'
-        run: |
-          sudo apt-get update
-          sudo apt-get install libxml2-utils libtinyxml2-dev qtbase5-dev qttools5-dev libqt5charts5-dev qtchooser
-
-      - name: Install missing software on ubuntu
-        if: contains(matrix.os, 'ubuntu') && matrix.use_qt6 == 'On'
+        if: contains(matrix.os, 'ubuntu')
         run: |
           sudo apt-get update
           # qt6-tools-dev-tools for lprodump
@@ -65,13 +55,13 @@ jobs:
       - name: CMake build on ubuntu (with GUI / system tinyxml2)
         if: contains(matrix.os, 'ubuntu')
         run: |
-          cmake -S . -B cmake.output.tinyxml2 -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=${{ matrix.use_qt6 }} -DWITH_QCHART=On -DUSE_BUNDLED_TINYXML2=Off -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+          cmake -S . -B cmake.output.tinyxml2 -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DUSE_BUNDLED_TINYXML2=Off -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
           cmake --build cmake.output.tinyxml2 -- -j$(nproc)
 
       - name: CMake build on macos (with GUI / system tinyxml2)
         if: contains(matrix.os, 'macos')
         run: |
-          cmake -S . -B cmake.output.tinyxml2 -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DUSE_BUNDLED_TINYXML2=Off -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DQt6_DIR=$(brew --prefix qt@6)/lib/cmake/Qt6
+          cmake -S . -B cmake.output.tinyxml2 -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DUSE_BUNDLED_TINYXML2=Off -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DQt6_DIR=$(brew --prefix qt@6)/lib/cmake/Qt6
           cmake --build cmake.output.tinyxml2 -- -j$(nproc)
 
       - name: Run CMake test (system tinyxml2)
@@ -83,10 +73,6 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, ubuntu-22.04, macos-12]
-        include:
-          - use_qt6: On
-          - os: ubuntu-20.04
-            use_qt6: Off
       fail-fast: false # Prefer quick result
 
     runs-on: ${{ matrix.os }}
@@ -103,12 +89,6 @@ jobs:
         with:
           key: ${{ github.workflow }}-${{ github.job }}-${{ matrix.os }}
 
-      - name: Install missing software on ubuntu
-        if: contains(matrix.os, 'ubuntu') && matrix.use_qt6 == 'Off'
-        run: |
-          sudo apt-get update
-          sudo apt-get install libxml2-utils qtbase5-dev qttools5-dev libqt5charts5-dev qtchooser
-
       # TODO: move latest compiler to separate step
       # TODO: bail out on warnings with latest GCC
       - name: Set up GCC
@@ -124,7 +104,7 @@ jobs:
           echo "CXX=g++-13" >> $GITHUB_ENV
 
       - name: Install missing software on ubuntu
-        if: contains(matrix.os, 'ubuntu') && matrix.use_qt6 == 'On'
+        if: contains(matrix.os, 'ubuntu')
         run: |
           sudo apt-get update
           # qt6-tools-dev-tools for lprodump
@@ -141,13 +121,13 @@ jobs:
       - name: CMake build on ubuntu (with GUI)
         if: contains(matrix.os, 'ubuntu')
         run: |
-          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=${{ matrix.use_qt6 }} -DWITH_QCHART=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
           cmake --build cmake.output -- -j$(nproc)
 
       - name: CMake build on macos (with GUI)
         if: contains(matrix.os, 'macos')
         run: |
-          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DQt6_DIR=$(brew --prefix qt@6)/lib/cmake/Qt6
+          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DQt6_DIR=$(brew --prefix qt@6)/lib/cmake/Qt6
           cmake --build cmake.output -- -j$(nproc)
 
       - name: Run CMake test
@@ -245,94 +225,6 @@ jobs:
         run: |
           ls lib/*.cpp | xargs -n 1 -P $(nproc) g++ -fsyntax-only -std=c++0x -Ilib -Iexternals -Iexternals/picojson -Iexternals/simplecpp -Iexternals/tinyxml2 -DNONNEG
 
-  build_qmake:
-
-    strategy:
-      matrix:
-        # no longer build with qmake on MacOS as brew might lack pre-built Qt5 packages causing the step to run for hours
-        os: [ubuntu-20.04, ubuntu-22.04]
-      fail-fast: false # Prefer quick result
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Install missing software on ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          sudo apt-get update
-          sudo apt-get install qtbase5-dev qttools5-dev libqt5charts5-dev qtchooser
-
-      # coreutils contains "nproc"
-      - name: Install missing software on macos
-        if: contains(matrix.os, 'macos')
-        run: |
-          brew install coreutils qt@5
-          # expose qmake
-          brew link qt@5 --force
-
-      - name: ccache
-        uses: hendrikmuhs/[email protected]
-        with:
-          key: ${{ github.workflow }}-${{ github.job }}-${{ matrix.os }}
-
-      - name: Build GUI
-        run: |
-          export PATH="$(brew --prefix)/opt/ccache/libexec:/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
-          pushd gui
-          qmake CONFIG+=debug  CONFIG+=ccache HAVE_QCHART=yes
-          make -j$(nproc)
-
-      # TODO: binaries are in a different location on macos
-      - name: Build and Run GUI tests
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          export PATH="$(brew --prefix)/opt/ccache/libexec:/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
-          pushd gui/test/cppchecklibrarydata
-          qmake CONFIG+=debug CONFIG+=ccache
-          make -j$(nproc)
-          ./test-cppchecklibrarydata
-          popd
-          pushd gui/test/filelist
-          qmake CONFIG+=debug CONFIG+=ccache
-          make -j$(nproc)
-          ./test-filelist
-          popd
-          pushd gui/test/projectfile
-          qmake CONFIG+=debug CONFIG+=ccache
-          make -j$(nproc)
-          ./test-projectfile
-          popd
-          pushd gui/test/resultstree
-          qmake CONFIG+=debug CONFIG+=ccache
-          make -j$(nproc)
-          export QT_QPA_PLATFORM=offscreen
-          ./test-resultstree
-          popd
-          pushd gui/test/translationhandler
-          qmake CONFIG+=debug CONFIG+=ccache
-          make -j$(nproc)
-          # TODO: requires X session because of QApplication dependency in translationhandler.cpp
-          #./test-translationhandler
-          popd
-          pushd gui/test/xmlreportv2
-          qmake CONFIG+=debug CONFIG+=ccache
-          make -j$(nproc)
-          ./test-xmlreportv2
-
-      - name: Generate Qt help file
-        run: |
-          pushd gui/help
-          qhelpgenerator online-help.qhcp -o online-help.qhc
-
-      - name: Build triage
-        run: |
-          export PATH="$(brew --prefix)/opt/ccache/libexec:/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
-          pushd tools/triage
-          qmake CONFIG+=debug CONFIG+=ccache
-          make -j$(nproc)
-
   build:
 
     strategy:

.github/workflows/CI-windows.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-2019, windows-2022]
-        qt_ver: [5.15.2, 6.7.2]
+        qt_ver: [6.7.2]
       fail-fast: false
 
     runs-on: ${{ matrix.os }}
@@ -47,26 +47,10 @@ jobs:
           modules: 'qtcharts'
           cache: true
 
-      - name: Build GUI release (qmake)
-        if: startsWith(matrix.qt_ver, '5')
-        run: |
-          cd gui || exit /b !errorlevel!
-          qmake HAVE_QCHART=yes || exit /b !errorlevel!
-          nmake release || exit /b !errorlevel!
-        env:
-          CL: /MP
-
-      - name: Deploy GUI
-        if: startsWith(matrix.qt_ver, '5')
-        run: |
-          windeployqt Build\gui || exit /b !errorlevel!
-          del Build\gui\cppcheck-gui.ilk || exit /b !errorlevel!
-          del Build\gui\cppcheck-gui.pdb || exit /b !errorlevel!
-
       - name: Build GUI release (CMake)
         if: startsWith(matrix.qt_ver, '6')
         run: |
-          cmake -S . -B build -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On || exit /b !errorlevel!
+          cmake -S . -B build -DBUILD_GUI=On -DWITH_QCHART=On || exit /b !errorlevel!
           cmake --build build --target cppcheck-gui || exit /b !errorlevel!
 
       # TODO: deploy with CMake/Qt6

.github/workflows/clang-tidy.yml

@@ -54,7 +54,7 @@ jobs:
 
       - name: Prepare CMake
         run: |
-          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCPPCHK_GLIBCXX_DEBUG=Off
+          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCPPCHK_GLIBCXX_DEBUG=Off
         env:
           CC: clang-19
           CXX: clang++-19

.github/workflows/iwyu.yml

@@ -2,10 +2,7 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: include-what-you-use
 
-on:
-  schedule:
-    - cron: '0 0 * * 0'
-  workflow_dispatch:
+on: [push, pull_request]
 
 permissions:
   contents: read
@@ -87,7 +84,7 @@ jobs:
 
       - name: Prepare CMake
         run: |
-          cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off -DEXTERNALS_AS_SYSTEM=On
+          cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off -DEXTERNALS_AS_SYSTEM=On
         env:
           CC: clang
           CXX: clang++
@@ -160,7 +157,7 @@ jobs:
 
       - name: Prepare CMake
         run: |
-          cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off -DEXTERNALS_AS_SYSTEM=On
+          cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off -DEXTERNALS_AS_SYSTEM=On
         env:
           CC: clang-19
           CXX: clang++-19

.github/workflows/release-windows.yml

@@ -2,13 +2,7 @@
 # Environment reference https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners
 name: release-windows
 
-on:
-  push:
-    tags:
-      - '2.*'
-  schedule:
-    - cron:  '0 0 * * *'
-  workflow_dispatch:
+on: [push, pull_request]
 
 permissions:
   contents: read
@@ -27,7 +21,7 @@ jobs:
     env:
       # see https://www.pcre.org/original/changelog.txt
       PCRE_VERSION: 8.45
-      QT_VERSION: 5.15.2
+      QT_VERSION: 6.7.2
 
     steps:
       - uses: actions/checkout@v4
@@ -79,7 +73,9 @@ jobs:
         run: python tools\matchcompiler.py --write-dir lib || exit /b !errorlevel!
 
       - name: Build x64 release GUI
+        if: false
         run: |
+          # TODO: build with  CMake
           cd gui || exit /b !errorlevel!
           qmake HAVE_QCHART=yes || exit /b !errorlevel!
           nmake release || exit /b !errorlevel!

.github/workflows/selfcheck.yml

@@ -62,7 +62,7 @@ jobs:
       # unusedFunction - start
       - name: CMake
         run: |
-          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=ON -DUSE_QT6=On -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
+          cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=ON -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
 
       - name: Generate dependencies
         run: |
@@ -88,7 +88,7 @@ jobs:
       # unusedFunction notest - start
       - name: CMake (no test)
         run: |
-          cmake -S . -B cmake.output.notest -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=Off -DBUILD_GUI=ON -DUSE_QT6=On -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
+          cmake -S . -B cmake.output.notest -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=Off -DBUILD_GUI=ON -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
 
       - name: Generate dependencies (no test)
         run: |
@@ -129,7 +129,7 @@ jobs:
       # unusedFunction notest nocli - start
       - name: CMake (no test / no cli)
         run: |
-          cmake -S . -B cmake.output.notest_nocli -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=Off -DBUILD_CLI=Off -DBUILD_GUI=ON -DUSE_QT6=On -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
+          cmake -S . -B cmake.output.notest_nocli -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=Off -DBUILD_CLI=Off -DBUILD_GUI=ON -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
 
       - name: Generate dependencies (no test / no cli)
         run: |

.gitignore

@@ -50,42 +50,14 @@ ipch/
 *.pbxuser
 build/
 
-# GUI build folders
-/gui/debug/
-/gui/release/
-/gui/temp/
-/triage/temp
-
 # Other (generated) GUI files
 /gui/*.qm
-/gui/cppcheck-gui
-/gui/cppcheck-gui.exe
-/gui/gui.sln
-/gui/gui.vcproj
 /gui/help/online-help.qch
 /gui/help/online-help.qhc
-/gui/Makefile
-/gui/Makefile.debug
-/gui/Makefile.release
-/gui/qrc_gui.cpp
-/gui/test/Makefile
-/gui/test/*/Makefile
-/gui/test/*/*/Makefile
-/gui/test/benchmark/simple/benchmark-simple
-/gui/test/cppchecklibrarydata/qrc_resources.cpp
-/gui/test/cppchecklibrarydata/test-cppchecklibrarydata
-/gui/test/filelist/test-filelist
-/gui/test/projectfile/test-projectfile
-/gui/test/translationhandler/test-translationhandler
-/gui/test/xmlreportv2/test-xmlreportv2
 
 # Doxygen output folder
 doxyoutput/
 
-# qmake generated
-htmlreport/.tox/
-htmlreport/MANIFEST
-
 # Backup files and stuff from patches
 *.rej
 *~
@@ -124,9 +96,6 @@ stage
 .cache/
 compile_commands.json
 
-# qmake
-.qmake.stash
-
 #vs code
 /.vscode