CI: use MSVC instead msbuild to remove 'visual_stuido_integration' de…

…pendency

 * use Ninja to compile without MS toolset

.github/workflows/python-package.yml

@@ -41,9 +41,10 @@ jobs:
       uses: jwlawson/[email protected]
       with:
         cmake-version: '3.26.x'
-    - name: Add msbuild to PATH
-      uses: microsoft/[email protected]
-      if: ${{ startsWith(matrix.os, 'windows') }}
+    - name: Setup MSVC
+      if: startsWith(matrix.os, 'windows')
+      #uses: microsoft/[email protected] # to use msbuild
+      uses: ilammy/[email protected] # to use cl
       # Compile C++ code
     - name: Build C++
       shell: bash
@@ -60,11 +61,7 @@ jobs:
         else
           cmake -DCOMPUTE_BACKEND=cpu .
         fi
-        if [ ${build_os:0:7} == windows ]; then
-          pwsh -Command "msbuild bitsandbytes.vcxproj /property:Configuration=Release"
-        else
-          make
-        fi
+        cmake --build . --config Release
         mkdir -p output/${{ matrix.os }}/${{ matrix.arch }}
         ( shopt -s nullglob && cp bitsandbytes/*.{so,dylib,dll} output/${{ matrix.os }}/${{ matrix.arch }}/ )
     - name: Upload build artifact
@@ -109,9 +106,10 @@ jobs:
         sub-packages: '["nvcc","cudart","cusparse","cublas","thrust","nvrtc_dev","cublas_dev","cusparse_dev"]'
         linux-local-args: '["--toolkit"]'
         use-github-cache: false
-    - name: Add msbuild to PATH
-      uses: microsoft/[email protected]
-      if: ${{ startsWith(matrix.os, 'windows') }}
+    - name: Setup MSVC
+      if: startsWith(matrix.os, 'windows')
+      #uses: microsoft/[email protected] # to use msbuild
+      uses: ilammy/[email protected] # to use cl
       # Compile C++ code
     - name: Build C++
       shell: bash
@@ -127,10 +125,11 @@ jobs:
               "apt-get update \
               && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends cmake \
               && cmake -DCOMPUTE_BACKEND=cuda -DNO_CUBLASLT=${NO_CUBLASLT} . \
-              && make"
+              && cmake --build ."
           else
-            cmake -DCOMPUTE_BACKEND=cuda -DNO_CUBLASLT=${NO_CUBLASLT} .
-            pwsh -Command "msbuild bitsandbytes.vcxproj /property:Configuration=Release"
+            python3 -m pip install cmake==3.27.9 ninja
+            cmake -G Ninja -DCOMPUTE_BACKEND=cuda -DNO_CUBLASLT=${NO_CUBLASLT} -DCMAKE_BUILD_TYPE=Release -S .
+            cmake --build . --config Release
           fi
         done
         mkdir -p output/${{ matrix.os }}/${{ matrix.arch }}