Support Visual Studio 2026 (#11349)

* Add script with VS version auto detection

* Add msvc145 toolset support

* Fix issue when build slicer only

* Fix vs2026 OpenCV build

* Set github action to use new build script

* Get vs version from `msbuild --version` so it works for github action

.github/workflows/build_deps.yml

@@ -69,8 +69,8 @@ jobs:
         working-directory: ${{ github.workspace }}
         run: |
             choco install strawberryperl
-            .\build_release_vs2022.bat deps
+            .\build_release_vs.bat deps
-            .\build_release_vs2022.bat pack
+            .\build_release_vs.bat pack
             cd ${{ github.workspace }}/deps/build
 
       - name: Build on Mac ${{ inputs.arch }}

.github/workflows/build_orca.yml

@@ -233,7 +233,7 @@ jobs:
         env:
           WindowsSdkDir: 'C:\Program Files (x86)\Windows Kits\10\'
           WindowsSDKVersion: '10.0.26100.0\'
-        run: .\build_release_vs2022.bat slicer
+        run: .\build_release_vs.bat slicer
 
       - name: Create installer Win
         if: inputs.os == 'windows-latest'

build_release_vs.bat

@@ -0,0 +1,119 @@
+@REM OrcaSlicer build script for Windows with VS auto-detect
+@echo off
+set WP=%CD%
+
+@REM Detect Visual Studio version using msbuild
+echo Detecting Visual Studio version using msbuild...
+
+@REM Try to get MSBuild version - the output format varies by VS version
+set VS_MAJOR=
+for /f "tokens=*" %%i in ('msbuild -version 2^>^&1 ^| findstr /r "^[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*"') do (
+    for /f "tokens=1 delims=." %%a in ("%%i") do set VS_MAJOR=%%a
+    set MSBUILD_OUTPUT=%%i
+    goto :version_found
+)
+
+@REM Alternative method for newer MSBuild versions
+if "%VS_MAJOR%"=="" (
+    for /f "tokens=*" %%i in ('msbuild -version 2^>^&1 ^| findstr /r "[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*"') do (
+        for /f "tokens=1 delims=." %%a in ("%%i") do set VS_MAJOR=%%a
+        set MSBUILD_OUTPUT=%%i
+        goto :version_found
+    )
+)
+
+:version_found
+echo MSBuild version detected: %MSBUILD_OUTPUT%
+echo Major version: %VS_MAJOR%
+
+if "%VS_MAJOR%"=="" (
+    echo Error: Could not determine Visual Studio version from msbuild
+    echo Please ensure Visual Studio and MSBuild are properly installed
+    exit /b 1
+)
+
+if "%VS_MAJOR%"=="16" (
+    set VS_VERSION=2019
+    set CMAKE_GENERATOR="Visual Studio 16 2019"
+) else if "%VS_MAJOR%"=="17" (
+    set VS_VERSION=2022
+    set CMAKE_GENERATOR="Visual Studio 17 2022"
+) else if "%VS_MAJOR%"=="18" (
+    set VS_VERSION=2026
+    set CMAKE_GENERATOR="Visual Studio 18 2026"
+) else (
+    echo Error: Unsupported Visual Studio version: %VS_MAJOR%
+    echo Supported versions: VS2019 (16.x^), VS2022 (17.x^), VS2026 (18.x^)
+    exit /b 1
+)
+
+echo Detected Visual Studio %VS_VERSION% (version %VS_MAJOR%)
+echo Using CMake generator: %CMAKE_GENERATOR%
+
+@REM Pack deps
+if "%1"=="pack" (
+    setlocal ENABLEDELAYEDEXPANSION 
+    cd %WP%/deps/build
+    for /f "tokens=2-4 delims=/ " %%a in ('date /t') do set build_date=%%c%%b%%a
+    echo packing deps: OrcaSlicer_dep_win64_!build_date!_vs!VS_VERSION!.zip
+
+    %WP%/tools/7z.exe a OrcaSlicer_dep_win64_!build_date!_vs!VS_VERSION!.zip OrcaSlicer_dep
+    exit /b 0
+)
+
+set debug=OFF
+set debuginfo=OFF
+if "%1"=="debug" set debug=ON
+if "%2"=="debug" set debug=ON
+if "%1"=="debuginfo" set debuginfo=ON
+if "%2"=="debuginfo" set debuginfo=ON
+if "%debug%"=="ON" (
+    set build_type=Debug
+    set build_dir=build-dbg
+) else (
+    if "%debuginfo%"=="ON" (
+        set build_type=RelWithDebInfo
+        set build_dir=build-dbginfo
+    ) else (
+        set build_type=Release
+        set build_dir=build
+    )
+)
+echo build type set to %build_type%
+
+setlocal DISABLEDELAYEDEXPANSION 
+cd deps
+mkdir %build_dir%
+cd %build_dir%
+set "SIG_FLAG="
+if defined ORCA_UPDATER_SIG_KEY set "SIG_FLAG=-DORCA_UPDATER_SIG_KEY=%ORCA_UPDATER_SIG_KEY%"
+
+if "%1"=="slicer" (
+    GOTO :slicer
+)
+echo "building deps.."
+
+echo on
+REM Set minimum CMake policy to avoid <3.5 errors
+set CMAKE_POLICY_VERSION_MINIMUM=3.5
+cmake ../ -G %CMAKE_GENERATOR% -A x64 -DCMAKE_BUILD_TYPE=%build_type%
+cmake --build . --config %build_type% --target deps -- -m
+@echo off
+
+if "%1"=="deps" exit /b 0
+
+:slicer
+echo "building Orca Slicer..."
+cd %WP%
+mkdir %build_dir%
+cd %build_dir%
+
+echo on
+set CMAKE_POLICY_VERSION_MINIMUM=3.5
+cmake .. -G %CMAKE_GENERATOR% -A x64 -DORCA_TOOLS=ON %SIG_FLAG% -DCMAKE_BUILD_TYPE=%build_type%
+cmake --build . --config %build_type% --target ALL_BUILD -- -m
+@echo off
+cd ..
+call scripts/run_gettext.bat
+cd %build_dir%
+cmake --build . --target install --config %build_type%

build_release_vs2022.bat

@@ -61,6 +61,7 @@ mkdir %build_dir%
 cd %build_dir%
 
 echo on
+set CMAKE_POLICY_VERSION_MINIMUM=3.5
 cmake .. -G "Visual Studio 17 2022" -A x64 -DORCA_TOOLS=ON %SIG_FLAG% -DCMAKE_BUILD_TYPE=%build_type%
 cmake --build . --config %build_type% --target ALL_BUILD -- -m
 @echo off

deps/OpenCV/0001-vs.patch

@@ -1,15 +1,21 @@
-From 6fb3f6333150a777e835fc7c48e49750591bf7fe Mon Sep 17 00:00:00 2001
+diff --git a/cmake/OpenCVDetectCXXCompiler.cmake b/cmake/OpenCVDetectCXXCompiler.cmake
-From: Benjamin Buch <bebuch@users.noreply.github.com>
+index 7f229cde96..d8e20f8fe9 100644
-Date: Thu, 23 May 2024 16:05:19 +0200
+--- a/cmake/OpenCVDetectCXXCompiler.cmake
-Subject: [PATCH] Support VS 2022 17.1x.y
++++ b/cmake/OpenCVDetectCXXCompiler.cmake
-
+@@ -171,8 +171,10 @@ elseif(MSVC)
-With 17.10.0 the MSVC toolset was set to 19.40.x which breaks the compatibility test in the OpenCV's CMake Config files.
+     set(OpenCV_RUNTIME vc15)
----
+   elseif(MSVC_VERSION MATCHES "^192[0-9]$")
- cmake/templates/OpenCVConfig.root-WIN32.cmake.in | 2 +-
+     set(OpenCV_RUNTIME vc16)
- 1 file changed, 1 insertion(+), 1 deletion(-)
+-  elseif(MSVC_VERSION MATCHES "^193[0-9]$")
-
++  elseif(MSVC_VERSION MATCHES "^19[34][0-9]$")
+     set(OpenCV_RUNTIME vc17)
++  elseif(MSVC_VERSION MATCHES "^195[0-9]$")
++    set(OpenCV_RUNTIME vc18)
+   else()
+     message(WARNING "OpenCV does not recognize MSVC_VERSION \"${MSVC_VERSION}\". Cannot set OpenCV_RUNTIME")
+   endif()
 diff --git a/cmake/templates/OpenCVConfig.root-WIN32.cmake.in b/cmake/templates/OpenCVConfig.root-WIN32.cmake.in
-index b0f254ebe8..62e36272f3 100644
+index b0f254ebe8..8f0178b0ae 100644
 --- a/cmake/templates/OpenCVConfig.root-WIN32.cmake.in
 +++ b/cmake/templates/OpenCVConfig.root-WIN32.cmake.in
 @@ -137,7 +137,7 @@ elseif(MSVC)
@@ -21,32 +27,28 @@ index b0f254ebe8..62e36272f3 100644
      set(OpenCV_RUNTIME vc17)
      check_one_config(has_VS2022)
      if(NOT has_VS2022)
--- 
+@@ -151,6 +151,24 @@ elseif(MSVC)
-2.45.2.windows.1
+        endif()
-
+      endif()
-From f85818ba6f9031c450475a7453dee0acce31a881 Mon Sep 17 00:00:00 2001
+     endif()
-From: Benjamin Buch <bebuch@users.noreply.github.com>
++  elseif(MSVC_VERSION MATCHES "^195[0-9]$")
-Date: Fri, 24 May 2024 11:10:09 +0200
++    set(OpenCV_RUNTIME vc18)
-Subject: [PATCH] Support VS 2022 17.1x.y in OpenCVDetectCXXCompiler.cmake
++    check_one_config(has_VS2026)
-
++    if(NOT has_VS2026)
-With 17.10.0 the MSVC toolset was set to 19.40.x which breaks the compatibility test in the OpenCV's CMake Config files.
++     set(OpenCV_RUNTIME vc17)
----
++     check_one_config(has_VS2022)
- cmake/OpenCVDetectCXXCompiler.cmake | 2 +-
++     if(NOT has_VS2022)
- 1 file changed, 1 insertion(+), 1 deletion(-)
++      set(OpenCV_RUNTIME vc16)
-
++      check_one_config(has_VS2019)
-diff --git a/cmake/OpenCVDetectCXXCompiler.cmake b/cmake/OpenCVDetectCXXCompiler.cmake
++      if(NOT has_VS2019)
-index 1743aca11f..448afd46ea 100644
++        set(OpenCV_RUNTIME vc15) # selecting previous compatible runtime version
---- a/cmake/OpenCVDetectCXXCompiler.cmake
++        check_one_config(has_VS2017)
-+++ b/cmake/OpenCVDetectCXXCompiler.cmake
++        if(NOT has_VS2017)
-@@ -176,7 +176,7 @@ elseif(MSVC)
++          set(OpenCV_RUNTIME vc14) # selecting previous compatible runtime version
-     set(OpenCV_RUNTIME vc15)
++        endif()
-   elseif(MSVC_VERSION MATCHES "^192[0-9]$")
++      endif()
-     set(OpenCV_RUNTIME vc16)
++     endif()
--  elseif(MSVC_VERSION MATCHES "^193[0-9]$")
++    endif()
-+  elseif(MSVC_VERSION MATCHES "^19[34][0-9]$")
+   endif()
-     set(OpenCV_RUNTIME vc17)
+ elseif(MINGW)
-   else()
+   set(OpenCV_RUNTIME mingw)
-     message(WARNING "OpenCV does not recognize MSVC_VERSION \"${MSVC_VERSION}\". Cannot set OpenCV_RUNTIME")
--- 
-2.45.2.windows.1
-

deps/OpenCV/OpenCV.cmake

@@ -11,7 +11,7 @@ endif ()
 orcaslicer_add_cmake_project(OpenCV
     URL https://github.com/opencv/opencv/archive/refs/tags/4.6.0.tar.gz
     URL_HASH SHA256=1ec1cba65f9f20fe5a41fda1586e01c70ea0c9a6d7b67c9e13edf0cfe2239277
-    PATCH_COMMAND git apply ${OpenCV_DIRECTORY_FLAG} --verbose --ignore-space-change --whitespace=fix ${CMAKE_CURRENT_LIST_DIR}/0001-vs2022.patch  ${CMAKE_CURRENT_LIST_DIR}/0002-clang19-macos.patch
+    PATCH_COMMAND git apply ${OpenCV_DIRECTORY_FLAG} --verbose --ignore-space-change --whitespace=fix ${CMAKE_CURRENT_LIST_DIR}/0001-vs.patch  ${CMAKE_CURRENT_LIST_DIR}/0002-clang19-macos.patch
     CMAKE_ARGS
     -DBUILD_SHARED_LIBS=0
        -DBUILD_PERE_TESTS=OFF

deps/deps-windows.cmake

@@ -19,6 +19,10 @@ elseif (MSVC_VERSION LESS 1950)
 # 1930-1949 = VS 17.0 (v143 toolset)
     set(DEP_VS_VER "17")
     set(DEP_BOOST_TOOLSET "msvc-14.3")
+elseif (MSVC_VERSION LESS 1960)
+# 1950-1959 = VS 18.0 (v145 toolset)
+    set(DEP_VS_VER "18")
+    set(DEP_BOOST_TOOLSET "msvc-14.5")
 else ()
     message(FATAL_ERROR "Unsupported MSVC version")
 endif ()