Disable FH4 so that we don't require VCRUNTIME140_1.dll.

For more details, see:
https://devblogs.microsoft.com/cppblog/making-cpp-exception-handling-smaller-x64/
pypa/cibuildwheel#423 (comment)

setup.py

@@ -169,6 +169,13 @@ def build_extensions(self):
             self.compiler.compiler_so.remove('-Wstrict-prototypes')
         except (ValueError, AttributeError):
             pass
+        if self.compiler.compiler_type == 'msvc':
+            # Disable FH4 so that we don't require VCRUNTIME140_1.dll. For more
+            # details, see:
+            # https://devblogs.microsoft.com/cppblog/making-cpp-exception-handling-smaller-x64/
+            # https://github.com/joerick/cibuildwheel/issues/423#issuecomment-677763904
+            for ext in self.extensions:
+                ext.extra_compile_args.append('/d2FH4-')
 
         env = self.add_optimization_flags()
         for package in good_packages: