please work

libs/audio/Makefile

@@ -1,31 +1,94 @@
 # Makefile for audio library
+# Default compiler and flags for Unix-like systems
 CC = gcc
 CFLAGS = -Wall -Wextra -O3 -fPIC -std=c99
 LDFLAGS = -shared -Wl,--export-dynamic
 LIBS = -lportaudio -lsndfile -lsamplerate -lpthread -lm
 
-# Detect OS for library naming
-UNAME_S := $(shell uname -s)
-ifeq ($(UNAME_S),Darwin)
+# Detect OS and set appropriate flags
+UNAME_S := $(shell uname -s 2>/dev/null || echo Windows)
+
+# Windows detection (including GitHub Actions Windows runners)
+ifneq (,$(findstring Windows,$(UNAME_S)))
+    # Windows with MSVC
+    CC = cl
+    LIBNAME = libaudio.dll
+    CFLAGS = /O2 /W3 /MD /TC
+    LDFLAGS = /DLL
+    LIBS = portaudio.lib libsndfile.lib libsamplerate.lib
+    OBJ_EXT = .obj
+
+    # Check for vcpkg environment
+    ifdef VCPKG_INSTALLATION_ROOT
+        INCLUDE_PATH = /I"$(VCPKG_INSTALLATION_ROOT)/installed/x64-windows/include"
+        LIB_PATH = /LIBPATH:"$(VCPKG_INSTALLATION_ROOT)/installed/x64-windows/lib"
+        CFLAGS += $(INCLUDE_PATH)
+        LDFLAGS += $(LIB_PATH)
+    endif
+
+    # Check for environment variables set by GitHub Actions
+    ifdef VCPKG_INCLUDE_PATH
+        CFLAGS += /I"$(VCPKG_INCLUDE_PATH)"
+    endif
+    ifdef VCPKG_LIB_PATH
+        LDFLAGS += /LIBPATH:"$(VCPKG_LIB_PATH)"
+    endif
+
+else ifeq ($(UNAME_S),Darwin)
+    # macOS
     LIBNAME = libaudio.dylib
     CFLAGS += -I/usr/local/include -I/opt/homebrew/include
     LDFLAGS = -shared -undefined dynamic_lookup
     LDFLAGS += -L/usr/local/lib -L/opt/homebrew/lib
+    OBJ_EXT = .o
+
 else ifeq ($(UNAME_S),Linux)
+    # Linux
     LIBNAME = libaudio.so
+    OBJ_EXT = .o
+
 else
-    LIBNAME = libaudio.dll
-    LIBS += -lole32 -lwinmm
-    LDFLAGS = -shared
+    # Generic Unix fallback
+    LIBNAME = libaudio.so
+    OBJ_EXT = .o
 endif
 
 SOURCES = $(wildcard *.c)
-OBJECTS = $(SOURCES:.c=.o)
 
-.PHONY: all clean install
+# Object files with correct extension
+ifneq (,$(findstring Windows,$(UNAME_S)))
+    OBJECTS = $(SOURCES:.c=.obj)
+else
+    OBJECTS = $(SOURCES:.c=.o)
+endif
+
+.PHONY: all clean install debug check-deps
 
 all: $(LIBNAME)
 
+# Windows-specific build rule
+ifneq (,$(findstring Windows,$(UNAME_S)))
+$(LIBNAME): $(OBJECTS)
+	link $(LDFLAGS) /OUT:$@ $^ $(LIBS)
+
+%.obj: %.c
+	$(CC) $(CFLAGS) /c $< /Fo:$@
+
+clean:
+	-del /Q *.obj $(LIBNAME) 2>nul || rm -f $(OBJECTS) $(LIBNAME)
+
+install:
+	@echo "Install not implemented for Windows. Copy $(LIBNAME) to your application directory."
+
+check-deps:
+	@echo "Checking dependencies on Windows..."
+	@echo "Assuming vcpkg dependencies are installed..."
+	@if exist "$(VCPKG_INSTALLATION_ROOT)\installed\x64-windows\include\portaudio.h" (echo PortAudio found!) else (echo PortAudio not found! && exit 1)
+	@if exist "$(VCPKG_INSTALLATION_ROOT)\installed\x64-windows\include\sndfile.h" (echo libsndfile found!) else (echo libsndfile not found! && exit 1)
+	@echo "All dependencies found!"
+
+else
+# Unix/Linux/macOS build rules
 $(LIBNAME): $(OBJECTS)
 	$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
 
@@ -39,13 +102,24 @@ install: $(LIBNAME)
 	sudo cp $(LIBNAME) /usr/local/lib/
 	sudo ldconfig 2>/dev/null || true
 
-# Development target with debug symbols
-debug: CFLAGS += -g -DDEBUG
-debug: $(LIBNAME)
-
-# Check dependencies
 check-deps:
 	@echo "Checking dependencies..."
 	@pkg-config --exists portaudio-2.0 || (echo "PortAudio not found!" && false)
 	@pkg-config --exists sndfile || (echo "libsndfile not found!" && false)
 	@echo "All dependencies found!"
+
+endif
+
+# Development target with debug symbols (cross-platform)
+debug: CFLAGS += $(if $(findstring Windows,$(UNAME_S)),/Zi,-g -DDEBUG)
+debug: $(LIBNAME)
+
+# Help target
+help:
+	@echo "Available targets:"
+	@echo "  all       - Build the audio library (default)"
+	@echo "  clean     - Remove build artifacts"
+	@echo "  install   - Install library (Unix/Linux/macOS only)"
+	@echo "  debug     - Build with debug symbols"
+	@echo "  check-deps- Check for required dependencies"
+	@echo "  help      - Show this help message"