Introduced compiler-specific compiler arguments in setup.py (#246)

setup.py

@@ -1,22 +1,38 @@
 #!/usr/bin/env python
 import os
+
+from collections import defaultdict
 from Cython.Build import cythonize
 from setuptools import Extension, setup
+from setuptools.command.build_ext import build_ext
+
+BUILD_ARGS = defaultdict(lambda: ["-std=c++17"], msvc=["/std:c++17"])
+
+
+class build_ext_w_compiler_check(build_ext):
+    # Adapted from <https://stackoverflow.com/questions/30985862/how-to-identify- \
+    #   compiler-before-defining-cython-extensions/32192172#32192172>
+    def build_extensions(self):
+        compiler = self.compiler.compiler_type
+        args = BUILD_ARGS[compiler]
+        for ext in self.extensions:
+            ext.extra_compile_args = args
+        build_ext.build_extensions(self)
+
 
 setup(
     ext_modules=cythonize(
         [
             Extension(
                 name="*",
                 sources=["src/ridepy/**/*.pyx"],
-                extra_compile_args=["-std=c++17"],
                 include_dirs=[
                     "src/lru-cache/include",
                     "src/ridepy/util/spaces_cython",
                     "src/ridepy/util/dispatchers_cython",
                     "src/ridepy/data_structures_cython",
                 ],
-            ),
+            )
         ],
         compiler_directives={"embedsignature": True},
     ),
@@ -26,4 +42,5 @@
             "parallel": os.cpu_count() - 1,
         }
     },
+    cmdclass={"build_ext": build_ext_w_compiler_check},
 )