Support windows compilation

.github/workflows/build_wheels_test_and_deploy.yml

@@ -11,31 +11,17 @@ on:
 
 jobs:
   build_wheels:
-    name: |
-      Build wheels on ${{ matrix.os }} with
-      windows_cross_compile=${{ matrix.windows_cross_compile }}
+    name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-latest]
-        windows_cross_compile: [false, true]
-        exclude:
-          - os: macos-latest
-            windows_cross_compile: true
+        os: [macos-latest, ubuntu-latest, windows-latest]
 
     steps:
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y mingw-w64
-        if: matrix.windows_cross_compile
-
       - uses: actions/checkout@v3
 
       - name: Build wheels
         run: bash build.sh
-        env:
-          WINDOWS_CROSS_COMPILE: ${{ matrix.windows_cross_compile }}
 
       - name: Upload artefacts
         uses: actions/upload-artifact@v3

Makefile

@@ -1,25 +1,24 @@
 UNAME := $(shell uname)
 
 ifeq ($(UNAME), Linux)
-	ifeq ($(WINDOWS_CROSS_COMPILE),true)
-		# do something Windowsy
-		CXX = x86_64-w64-mingw32-g++
-		EXT	= DLL
-		XLDFLAGS = -static-libgcc -static-libstdc++
-	else
-		# do something Linux #-fopenmp -static
-		CXX = g++
-		EXT = so
-		XLDFLAGS = -Wl,--no-undefined -Wl,--no-allow-shlib-undefined
-		#-L/usr/local/cuda/lib64 -lcuda -lcudart
-	endif
+	# do something Linux #-fopenmp -static
+	CXX = g++
+	EXT = so
+	XLDFLAGS = -Wl,--no-undefined -Wl,--no-allow-shlib-undefined
+	#-L/usr/local/cuda/lib64 -lcuda -lcudart
 endif
 ifeq ($(UNAME), Darwin)
 	# do something OSX
 	CXX = clang++ -arch x86_64 -arch arm64
 	EXT = dylib
 	XLD_FLAGS = -arch x86_64 -arch arm64
 endif
+ifeq ($(OS), Windows_NT)
+	# do something Windowsy
+	CXX = x86_64-w64-mingw32-g++
+	EXT	 = DLL
+	XLDFLAGS = -static-libgcc -static-libstdc++
+endif
 
 NVCC = nvcc