Makefile detect os (windows/posix)

Makefile

@@ -11,11 +11,21 @@ OBJS_RELEASE := $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/release/%.o,$(SRCS))
 
 # Compiler and flags
 CC := gcc
-CFLAGS_DEBUG := -g -O0 -Wall -Wpedantic -I$(INC_DIR) -std=c89 -fPIC
-CFLAGS_RELEASE := -O2 -Wall -Wpedantic -I$(INC_DIR) -std=c89 -fPIC
+CFLAGS_DEBUG := -g -O0 -Wall -Wpedantic -I$(INC_DIR) -std=c89
+CFLAGS_RELEASE := -O2 -Wall -Wpedantic -I$(INC_DIR) -std=c89
 
-# Library name
-LIB_NAME := libstk.so
+# Platform detection
+ifeq ($(OS),Windows_NT)
+    LIB_NAME := stk.dll
+    LDFLAGS :=
+    CFLAGS_DEBUG += -D_WIN32
+    CFLAGS_RELEASE += -D_WIN32
+else
+    LIB_NAME := libstk.so
+    LDFLAGS := -ldl
+    CFLAGS_DEBUG += -fPIC
+    CFLAGS_RELEASE += -fPIC
+endif
 
 # Default build
 all: debug
@@ -27,11 +37,11 @@ release: $(BIN_DIR)/release/$(LIB_NAME)
 # Build shared library
 $(BIN_DIR)/debug/$(LIB_NAME): $(OBJS_DEBUG)
 	@mkdir -p $(BIN_DIR)/debug
-	$(CC) -shared -o $@ $^
+	$(CC) -shared -o $@ $^ $(LDFLAGS)
 
 $(BIN_DIR)/release/$(LIB_NAME): $(OBJS_RELEASE)
 	@mkdir -p $(BIN_DIR)/release
-	$(CC) -shared -o $@ $^
+	$(CC) -shared -o $@ $^ $(LDFLAGS)
 
 # Compile object files with header dependency tracking
 $(OBJ_DIR)/debug/%.o: $(SRC_DIR)/%.c