diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5df5866
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/doc
diff --git a/Makefile.in b/Makefile.in
index c3ece15..253753c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -3,6 +3,9 @@ VPATH=%VPATH%
 RUSTC ?= rustc
 RUSTFLAGS ?=
 EXT_DEPS ?=
+RUSTDOC ?= rustdoc
+RUSTDOC_FLAGS ?=
+RUSTDOC_TARGET ?= doc
 
 RUST_SRC=$(shell find $(VPATH)/. -type f -name '*.rs')
 
@@ -16,6 +19,12 @@ libsharegl.dummy: lib.rs $(RUST_SRC) $(EXT_DEPS)
 sharegl-test: lib.rs $(RUST_SRC)
 	$(RUSTC) $(RUSTFLAGS) $< -o $@ --test
 
+.PHONY: doc
+doc: $(RUSTDOC_TARGET)/sharegl/index.html
+
+$(RUSTDOC_TARGET)/sharegl/index.html: lib.rs $(RUST_SRC) $(EXT_DEPS)
+	$(RUSTDOC) $(RUSTDOC_FLAGS) $< -o $(RUSTDOC_TARGET)
+
 .PHONY: check
 check: sharegl-test
 	./sharegl-test $(TEST)