diff --git a/.gitignore b/.gitignore
index fdfdec9..fa74fc6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@
 *.dll
 *.dummy
 azure-test
-build
\ No newline at end of file
+build
+/doc
diff --git a/Makefile.in b/Makefile.in
index bfdb2f8..cb73f29 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -7,6 +7,9 @@ AR ?= ar
 RUSTC ?= rustc
 RUSTFLAGS ?=
 EXT_DEPS ?=
+RUSTDOC ?= rustdoc
+RUSTDOC_FLAGS ?=
+RUSTDOC_TARGET ?= doc
 
 UNAME=$(shell uname)
 
@@ -179,6 +182,12 @@ libazure.a: $(ALL_OBJS)
 check: azure-test
 	./azure-test
 
+.PHONY: doc
+doc: $(RUSTDOC_TARGET)/azure/index.html
+
+$(RUSTDOC_TARGET)/azure/index.html: azure.rc $(RUST_SRC) $(EXT_DEPS)
+	$(RUSTDOC) $(RUSTDOC_FLAGS) $< -o $(RUSTDOC_TARGET)
+
 .PHONY: clean
 clean:
 	rm -f azure-test *.o *.a */*/*.o */*/*/*.o *.so *.dylib *.rlib *.dll *.dummy