Windows Qt6 builds based on vcpkg

.github/actions/setup-vcpkg/action.yml

@@ -0,0 +1,28 @@
+name: Setup Vcpkg
+description: Initialize vcpkg tool, does not checkout the registry
+  # TODO, set VCPKG_BASE_VERSION based on this
+  # inputs:
+  #  vcpkg-version:
+  #    description: Enter vcpkg version tag or stable or latest
+  #    required: false
+  #    default: latest
+  #    type: string
+
+runs:
+  using: composite
+  steps:
+    - name: Setup vcpkg
+      if: runner.os != 'Windows'
+      shell: bash
+      run: |
+        . <(curl https://aka.ms/vcpkg-init.sh -L)
+        echo "PATH=$VCPKG_ROOT;$PATH" >> $GITHUB_ENV
+
+    - name: Setup vcpkg
+      if: runner.os == 'Windows'
+      shell: powershell
+      run: |
+        $env:VCPKG_ROOT = "C:/.vcpkg"
+        iex (iwr -useb https://aka.ms/vcpkg-init.ps1)
+        echo "VCPKG_ROOT=$env:VCPKG_ROOT" >> $env:GITHUB_ENV
+        echo "PATH=$env:VCPKG_ROOT;$env:PATH" >> $env:GITHUB_ENV

.github/workflows/windows-qt6.yml

@@ -0,0 +1,112 @@
+---
+name: 🪟 Windows Qt6
+on:
+  push:
+    branches:
+      - master
+      - release-**
+  pull_request:
+  release:
+    types: ['published']
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  packages: write
+
+jobs:
+  build:
+    name: build (windows)
+    runs-on: windows-2022
+
+    steps:
+      - name: 🐣 Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: 🐩 Install CMake and Ninja
+        uses: lukka/get-cmake@latest
+        with:
+          cmakeVersion: 3.29.2
+
+      - name: 🧽 Developer Command Prompt for Microsoft Visual C++
+        uses: ilammy/msvc-dev-cmd@v1
+        with:
+          # See https://github.com/actions/runner-images/issues/9398
+          toolset: 14.39
+
+      - name: 🎡 Setup vcpkg
+        uses: ./.github/actions/setup-vcpkg
+
+      - name: 🦬 Setup flex/bison
+        uses: robinraju/release-downloader@v1.10
+        with:
+          repository: 'lexxmark/winflexbison'
+          fileName: '*.zip'
+          tag: 'v2.5.24'
+          extract: true
+
+      - name: 🛍️ Setup ccache
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          max-size: 1G
+
+      - name: 🌱 Install dependencies and generate project files
+        shell: bash
+        run: |
+          BUILD_DIR=$( cygpath "${{ github.workspace }}/build" )
+          SOURCE_DIR=$( cygpath "${{ github.workspace }}" )
+
+          cmake -S "${SOURCE_DIR}" \
+                -B "${BUILD_DIR}" \
+                -G Ninja \
+                -D CMAKE_BUILD_TYPE=Release \
+                -D WITH_VCPKG=ON \
+                -D CREATE_ZIP=ON \
+                -D VCPKG_TARGET_TRIPLET=x64-windows-release \
+                -D VCPKG_HOST_TRIPLET=x64-windows-release \
+                -D WITH_DESKTOP=ON \
+                -D WITH_3D=ON \
+                -D WITH_BINDINGS=ON \
+                -D ENABLE_TESTS=OFF \
+                -D BUILD_WITH_QT6=ON \
+                -D USE_CCACHE=ON \
+                -D FLEX_EXECUTABLE="${SOURCE_DIR}/win_flex.exe" \
+                -D BISON_EXECUTABLE="${SOURCE_DIR}/win_bison.exe" \
+                -D SIP_BUILD_EXECUTABLE="${BUILD_DIR}\vcpkg_installed\x64-windows-release\tools\python3\Scripts\sip-build.exe" \
+                -D PYUIC_PROGRAM="${BUILD_DIR}\vcpkg_installed\x64-windows-release\tools\python3\pyuic5.bat" \
+                -D PYRCC_PROGRAM="${BUILD_DIR}\vcpkg_installed\x64-windows-release\tools\python3\pyrcc5.bat" \
+                -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+                -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+                -D WITH_QTWEBKIT=OFF \
+                -D VCPKG_INSTALL_OPTIONS="--x-buildtrees-root=C:/src" \
+                -D NUGET_USERNAME=${{ github.actor }} \
+                -D NUGET_TOKEN=${{ secrets.GITHUB_TOKEN }}
+
+      - name: 🌋 Build
+        shell: bash
+        run: |
+          cmake --build "${{ github.workspace }}/build" --config Release
+
+      - name: 📦 Package
+        shell: bash
+        run: |
+          cmake --build "${{ github.workspace }}/build" --target bundle --config Release
+
+      - name: 📑 Upload dep build logs
+        uses: actions/upload-artifact@v4
+        if: failure()
+        with:
+          name: build-logs-x64-windows
+          path: |
+            C:/src/**/*.log
+
+      - name: 📤 Upload bundle
+        uses: actions/upload-artifact@v4
+        with:
+          name: qgis-windows-qt6
+          path: |
+            build/*-win64.zip

CMakeLists.txt

@@ -19,6 +19,16 @@ endif()
 # don't relink it only the shared object changes
 set(CMAKE_LINK_DEPENDS_NO_SHARED ON)
 
+set (WITH_BINDINGS TRUE CACHE BOOL "Determines whether Python bindings should be built")
+set (WITH_3D TRUE CACHE BOOL "Determines whether QGIS 3D library should be built")
+set (WITH_QGIS_PROCESS TRUE CACHE BOOL "Determines whether the standalone \"qgis_process\" tool should be built")
+set (WITH_DESKTOP TRUE CACHE BOOL "Determines whether QGIS desktop should be built")
+set (WITH_GUI TRUE CACHE BOOL "Determines whether QGIS GUI library should be built")
+set(WITH_VCPKG FALSE CACHE BOOL "Use the vcpkg submodule for dependency management.")
+
+if(WITH_VCPKG)
+  include(VcpkgToolchain)
+endif()
 #############################################################
 # Project and version
 set(CPACK_PACKAGE_VERSION_MAJOR "3")
@@ -140,7 +150,6 @@ if(WITH_CORE)
     endif()
   endforeach (GRASS_SEARCH_VERSION)
 
-  set (WITH_GUI TRUE CACHE BOOL "Determines whether QGIS GUI library (and everything built on top of it) should be built")
 
   set (WITH_OAUTH2_PLUGIN TRUE CACHE BOOL "Determines whether OAuth2 authentication method plugin should be built")
   if(WITH_OAUTH2_PLUGIN)
@@ -151,7 +160,6 @@ if(WITH_CORE)
 
   set (WITH_ANALYSIS TRUE CACHE BOOL "Determines whether QGIS analysis library should be built")
 
-  set (WITH_DESKTOP TRUE CACHE BOOL "Determines whether QGIS desktop should be built")
 
   if(WITH_DESKTOP)
       if((WIN32 AND NOT MINGW) OR (UNIX AND NOT APPLE AND NOT ANDROID AND NOT IOS))
@@ -171,17 +179,14 @@ if(WITH_CORE)
       endif()
   endif()
 
-  set (WITH_3D TRUE CACHE BOOL "Determines whether QGIS 3D library should be built")
 
   set (WITH_QUICK FALSE CACHE BOOL "Determines whether QGIS Quick library should be built")
 
-  set (WITH_QGIS_PROCESS TRUE CACHE BOOL "Determines whether the standalone \"qgis_process\" tool should be built")
 
   set (NATIVE_CRSSYNC_BIN "" CACHE PATH "Path to a natively compiled synccrsdb binary. If set, crssync will not build but use provided bin instead.")
   mark_as_advanced (NATIVE_CRSSYNC_BIN)
 
   # try to configure and build python bindings by default
-  set (WITH_BINDINGS TRUE CACHE BOOL "Determines whether Python bindings should be built")
   if (WITH_BINDINGS)
     # By default bindings will be installed only to QGIS directory
     # Someone might want to install it to python site-packages directory
@@ -1218,39 +1223,8 @@ endif()
 #############################################################
 # Enable packaging
 if (WITH_CORE)
-  # Do not warn about runtime libs when building using VS Express
-  if(NOT DEFINED CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS)
-    set(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS ON)
-  endif()
-
-  if(QGIS_INSTALL_SYS_LIBS)
-    include(InstallRequiredSystemLibraries)
-  endif()
-
-  set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "QGIS")
-  set(CPACK_PACKAGE_VENDOR "Open Source Geospatial Foundation")
-  set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README")
-  set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/COPYING")
-  set(CPACK_PACKAGE_INSTALL_DIRECTORY "QGIS ${COMPLETE_VERSION}")
-  if(WIN32 AND NOT UNIX)
-    # There is a bug in NSI that does not handle full unix paths properly. Make
-    # sure there is at least one set of four (4) backslashes.
-    set(CPACK_PACKAGE_ICON "${CMAKE_SOURCE_DIR}/win_build\\\\sidebar.bmp")
-    set(CPACK_NSIS_INSTALLED_ICON_NAME "\\\\qgis.exe")
-    set(CPACK_NSIS_DISPLAY_NAME "${CPACK_PACKAGE_INSTALL_DIRECTORY} QGIS")
-    set(CPACK_NSIS_HELP_LINK "http:\\\\\\\\qgis.org")
-    set(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\qgis.org")
-    set(CPACK_NSIS_CONTACT "info@qgis.org")
-    set(CPACK_NSIS_MODIFY_PATH ON)
-
-  #  set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS "  !include \\\"${CMAKE_SOURCE_DIR}\\\\win_build\\\\extra.nsh\\\"")
-  else()
-    #set(CPACK_STRIP_FILES "QGIS")
-    #set(CPACK_SOURCE_STRIP_FILES "")
-  endif()
-  set(CPACK_PACKAGE_EXECUTABLES "qgis" "QGIS")
-  set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_SOURCE_DIR}/README.md")
-  include(CPack)
+  include(Bundle)
+  include(VcpkgInstallDeps)
 endif()
 
 if (UNIX AND NOT APPLE)

INSTALL.md

@@ -36,6 +36,7 @@ Building QGIS from source - step by step
            * [4.2.1.2. Building the dependencies](#4212-building-the-dependencies)
            * [4.2.1.3. Cross-Building QGIS](#4213-cross-building-qgis)
        * [4.2.2. Testing QGIS](#422-testing-qgis)
+   * [4.3 Building for Qt 6 with VCPKG / Microsoft Visual Studio](#41-building-with-qt6)
 * [5. Building on MacOS X](#5-building-on-macos-x)
    * [5.1. Install Developer Tools](#51-install-developer-tools)
    * [5.2. Install CMake and other build tools](#52-install-cmake-and-other-build-tools)
@@ -708,6 +709,13 @@ can also change the build and release directories.
 Copy and unzip on the Windows machine package produced by the build and launch the qgis binary: no installation
 is required.
 
+# 4.3 Building with XXX
+
+- Install Microsoft Visual Studio Community Edition as explained in ...
+- Get all dependencies
+  - Download an SDK
+  - Build all dependencies yourself
+
 # 5. Building on MacOS X
 
 If you want to test QGIS, easiest option is to download and install all-in-one self-containing bundle directly from

cmake/Bundle.cmake

@@ -0,0 +1,47 @@
+set(CPACK_GENERATOR)
+set(CPACK_OUTPUT_CONFIG_FILE "${CMAKE_BINARY_DIR}/BundleConfig.cmake")
+
+add_custom_target(bundle
+                  COMMAND ${CMAKE_CPACK_COMMAND} "--config" "${CMAKE_BINARY_DIR}/BundleConfig.cmake"
+                  COMMENT "Running CPACK. Please wait..."
+                  DEPENDS qgis)
+
+if(WIN32 AND NOT UNIX)
+  set (CREATE_NSIS FALSE CACHE BOOL "Create an installer using NSIS")
+endif()
+set (CREATE_ZIP FALSE CACHE BOOL "Create a ZIP package")
+
+# Do not warn about runtime libs when building using VS Express
+if(NOT DEFINED CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS)
+  set(CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_NO_WARNINGS ON)
+endif()
+
+if(QGIS_INSTALL_SYS_LIBS)
+  include(InstallRequiredSystemLibraries)
+endif()
+
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "QGIS")
+set(CPACK_PACKAGE_VENDOR "Open Source Geospatial Foundation")
+set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README")
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/COPYING")
+set(CPACK_PACKAGE_INSTALL_DIRECTORY "QGIS ${COMPLETE_VERSION}")
+set(CPACK_PACKAGE_EXECUTABLES "qgis" "QGIS")
+set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_SOURCE_DIR}/README.md")
+
+if(CREATE_NSIS)
+  # There is a bug in NSI that does not handle full unix paths properly. Make
+  # sure there is at least one set of four (4) backslashes.
+  set(CPACK_PACKAGE_ICON "${CMAKE_SOURCE_DIR}/win_build\\\\sidebar.bmp")
+  set(CPACK_NSIS_INSTALLED_ICON_NAME "\\\\qgis.exe")
+  set(CPACK_NSIS_DISPLAY_NAME "${CPACK_PACKAGE_INSTALL_DIRECTORY} QGIS")
+  set(CPACK_NSIS_HELP_LINK "http:\\\\\\\\qgis.org")
+  set(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\qgis.org")
+  set(CPACK_NSIS_CONTACT "info@qgis.org")
+  set(CPACK_NSIS_MODIFY_PATH ON)
+endif()
+
+if(CREATE_ZIP)
+  list(APPEND CPACK_GENERATOR "ZIP")
+endif()
+
+include(CPack)

cmake/NuGet.Config.in

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <config>
+        <add key="defaultPushSource" value="@NUGET_SOURCE@" />
+    </config>
+    <activePackageSource>
+        <add key="vcpkg" value="@NUGET_SOURCE@" />
+    </activePackageSource>
+    <packageSources>
+        <add key="vcpkg" value="@NUGET_SOURCE@" />
+    </packageSources>
+    <packageSourceCredentials>
+        <vcpkg>
+            <add key="Username" value="@NUGET_USERNAME@" />
+            <add key="ClearTextPassword" value="@NUGET_TOKEN@" />
+        </vcpkg>
+    </packageSourceCredentials>
+</configuration>

cmake/VcpkgInstallDeps.cmake

@@ -0,0 +1,28 @@
+if(NOT WITH_VCPKG)
+  return()
+endif()
+
+set(VCPKG_BASE_DIR "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}")
+
+if(MSVC)
+  # At least python3.dll, qgis_analysis.dll and gsl.dll are missing
+  # Copy everything
+  file(GLOB ALL_LIBS
+    "${VCPKG_BASE_DIR}/bin/*.dll"
+  )
+  install(FILES ${ALL_LIBS} DESTINATION "bin")
+endif()
+
+set(PROJ_DATA_PATH "${VCPKG_BASE_DIR}/share/proj")
+
+if(NOT EXISTS "${PROJ_DATA_PATH}/proj.db")
+    message(FATAL_ERROR "proj.db not found at ${PROJ_DATA_PATH}/proj.db")
+endif()
+
+install(DIRECTORY "${PROJ_DATA_PATH}/" DESTINATION "${CMAKE_INSTALL_DATADIR}/proj")
+install(DIRECTORY "${VCPKG_BASE_DIR}/share/gdal/" DESTINATION "${CMAKE_INSTALL_DATADIR}/gdal")
+install(DIRECTORY "${VCPKG_BASE_DIR}/bin/Qca/" DESTINATION "bin/Qca") # QCA plugins
+install(DIRECTORY "${VCPKG_BASE_DIR}/Qt6/" DESTINATION "bin/Qt6") # qt plugins (qml and others)
+install(DIRECTORY "${VCPKG_BASE_DIR}/tools/python3/"
+        DESTINATION "bin"
+        PATTERN "*.sip" EXCLUDE)