Tweak other makefiles for OSX

python-to-rust/Makefile

@@ -1,9 +1,15 @@
+ifeq ($(shell uname),Darwin)
+    EXT := dylib
+else
+    EXT := so
+endif
+
 all: target/libdouble_input.so
 	python src/main.py
 
 target/libdouble_input.so: src/lib.rs Cargo.toml
 	cargo build
-	(cd target && ln -nsf debug/libdouble_input-* libdouble_input.so)
+	(cd target && ln -nsf debug/libdouble_input-*$(EXT) libdouble_input.so)
 
 clean:
 	rm -rf target