Fix windows

Author: vxgmichel

setup.py

@@ -5,7 +5,8 @@
 from setuptools import Extension, setup
 
 # No ZIP support for windows, building with zlib is a pain
-ZIP_SUPPORT = platform.system() != "Windows"
+WINDOWS = platform.system() == "Windows"
+ZIP_SUPPORT = not WINDOWS
 
 
 def get_extensions() -> list[Extension]:
@@ -37,6 +38,11 @@ def get_extensions() -> list[Extension]:
         "gambatte-core/libgambatte/include",
     ]
 
+    extra_compile_args = ["-DHAVE_STDINT_H", "-DREVISION=0"]
+    if WINDOWS:
+        # This relaxes MSVC's strictness to match GCC/Clang behavior
+        extra_compile_args.append("/permissive")
+
     gambatte_extension = Extension(
         "gambaterm.libgambatte",
         language="c++",
@@ -45,7 +51,7 @@ def get_extensions() -> list[Extension]:
             "libgambatte_ext",
             numpy.get_include(),
         ],
-        extra_compile_args=["-DHAVE_STDINT_H", "-DREVISION=0"],
+        extra_compile_args=extra_compile_args,
         libraries=libraries,
         sources=[
             *libgambatte_sources,