Fix win32 nif compilation

.gitignore

@@ -5,3 +5,5 @@ Cargo.lock
 /parity-ethereum
 /_build
 /ebin
+/priv/ecrecover.dll
+/priv/ecrecover.so

Makefile

@@ -1,22 +1,31 @@
-
 UNAME := $(shell uname)
 
+ifeq ($(OS),Windows_NT)
+	nif_lib_src = ecrecover.dll
+	nif_lib = ecrecover.dll
+else
 ifeq ($(UNAME), Linux)
-	artefact = libecrecover.so
+	nif_lib_src = libecrecover.so
+	nif_lib = ecrecover.so
 endif
 ifeq ($(UNAME), Darwin)
-	artefact = libecrecover.dylib
+	nif_lib_src = libecrecover.dylib
+	nif_lib = ecrecover.so
+endif
 endif
 
+all: priv/$(nif_lib) compile
 
-all: priv/ecrecover.so
+compile:
+	./rebar3 compile
 
-priv/ecrecover.so: src/lib.rs parity-ethereum/
+priv/$(nif_lib): src/lib.rs parity-ethereum/
 	cargo build --release
-	cp target/release/$(artefact) priv/ecrecover.so
+	cp target/release/$(nif_lib_src) $@
 
 clean:
-	rm -f priv/ecrecover.so target/release/$(artefact) 
+	rm -f priv/$(nif_lib) target/release/$(nif_lib_src)
+	./rebar3 clean
 
 parity-ethereum/:
-	git clone https://github.com/johnsnewby/parity-ethereum.git
+	git clone https://github.com/aeternity/parity-ethereum.git