Try not using dev command prompt

Author: widberg

.github/workflows/build.yml

@@ -26,12 +26,9 @@ jobs:
         curl.exe --location --create-dirs -oC:\TEMP\DXSDK_Aug08.exe https://archive.org/download/dxsdk_aug08/DXSDK_Aug08.exe
         7z.exe x C:\TEMP\DXSDK_Aug08.exe -aoa -oC:\Tools\DXSDK_Aug08 DXSDK/Include DXSDK/Lib
 
-    - name: Setup MSVC Developer Command Prompt
-      uses: TheMrMilchmann/setup-msvc-dev@v3.0.0
-      with:
-        arch: x86
-
     - name: Build
+      shell: cmd
       run: |
+           call "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvarsall.bat" x86
            cmake -B build -GNinja -DLLVM_WIDBERG="C:\Tools\llvm-widberg" -DDXSDK_DIR=C:\Tools\DXSDK_Aug08\DXSDK
            cmake --build build

CMakeLists.txt

@@ -23,7 +23,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON) # Generate compile_commands.json for clang
 set(CMAKE_INTERPROCEDURAL_OPTIMIZATION OFF) # Disable LTO
 cmake_policy(SET CMP0091 NEW) # Enable MSVC runtime library selection
 set(CMAKE_MSVC_RUNTIME_LIBRARY "") # Manually set runtime library to avoid warning
-add_compile_options("/MT$<$<CONFIG:Debug>:d>" "$<$<COMPILE_LANGUAGE:CXX>:/GR>" "/GS-" "/clang:-msse" "/clang:-msse2" "/clang:-ffast-math" "/clang:-fno-finite-math-only") # Use static runtime libraries
+add_compile_options("/MT$<$<CONFIG:Debug>:d>" "$<$<COMPILE_LANGUAGE:CXX>:/GR>" "/GS-" "/clang:-ffast-math" "/clang:-fno-finite-math-only") # Use static runtime libraries
 add_link_options("/MANIFEST:NO") # Disable manifest generation
 add_compile_definitions("_CRT_SECURE_NO_DEPRECATE" "_CRT_SECURE_NO_WARNINGS" "_WINSOCK_DEPRECATED_NO_WARNINGS") # Disable CRT/Winsock warnings