[make] Add windows support

.github/workflows/ci.yml

@@ -35,3 +35,27 @@ jobs:
           luarocks install lua-cjson2
           luarocks install busted
           busted --verbose
+
+  windows:
+    strategy:
+      fail-fast: false
+      matrix:
+        lua: [lua=5.1, lua=5.2, lua=5.3, lua=5.4, luajit=2.0, luajit=2.1]
+    runs-on: windows-2022
+    steps:
+      # Checks-out the repository under $GITHUB_WORKSPACE.
+      - uses: actions/checkout@v3
+      - name: Install Lua (${{ matrix.lua }})
+        run: |
+          pip install hererocks
+          hererocks lua_install -r^ --${{ matrix.lua }}
+      - name: Build lua-simdjson
+        run: |
+          .\lua_install\bin\activate
+          luarocks make
+      - name: Run tests
+        run: |
+          .\lua_install\bin\activate
+          luarocks install MSVCRT="m" lua-cjson2
+          luarocks install MSVCRT="m" busted
+          busted --verbose

.gitignore

@@ -1,2 +1,3 @@
 test/
-*.so
+*.so
+*.dll

Makefile

@@ -3,13 +3,32 @@ INCLUDE = -I$(LUA_INCDIR)
 LIBS = -lpthread
 FLAGS = -std=c++11 -Wall $(LIBFLAG) $(CFLAGS)
 
-all: simdjson.so
+ifdef LUA_LIBDIR
+FLAGS += $(LUA_LIBDIR)/$(LUALIB)
+endif
 
-simdjson.so:
-	$(CXX) $(SRC) $(FLAGS) $(INCLUDE) $(LIBS) -o $@
+ifeq ($(OS),Windows_NT)
+	LIBEXT = dll
+else
+	UNAME := $(shell uname -s)
+	ifeq ($(findstring MINGW,$(UNAME)),MINGW)
+		LIBEXT = dll
+	else ifeq ($(findstring CYGWIN,$(UNAME)),CYGWIN)
+		LIBEXT = dll
+	else
+		LIBEXT = so
+	endif
+endif
+
+TARGET = simdjson.$(LIBEXT)
+
+all: $(TARGET)
+
+$(TARGET):
+	$(CXX) $(SRC) $(FLAGS) $(INCLUDE) $(LIBS_PATH) $(LIBS) -o $@
 
 clean:
-	rm *.so
+	rm *.$(LIBEXT)
 
-install: simdjson.so
-	cp simdjson.so $(INST_LIBDIR)
+install: $(TARGET)
+	cp $(TARGET) $(INST_LIBDIR)

lua-simdjson-0.0.2-1.rockspec

@@ -31,4 +31,12 @@ build = {
       INST_LUADIR="$(LUADIR)",
       INST_CONFDIR="$(CONFDIR)",
    },
+   platforms = {
+      windows = {
+         build_variables = {
+            LUA_LIBDIR="$(LUA_LIBDIR)",
+            LUALIB="$(LUALIB)",
+         }
+      }
+   }
 }