diff --git a/Cargo.toml b/Cargo.toml
index 1d51a7f..b2c3015 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "rgtk"
 version = "0.0.1"
-authors = ["letang.jeremy@gmail.com", "mathijs.henquet@gmail.com", "guillaume1.gomez@gmail.com", "bpgarman@fastmail.fm"]
+authors = ["letang.jeremy@gmail.com", "mathijs.henquet@gmail.com", "guillaume1.gomez@gmail.com", "bpgarman@fastmail.fm", "me@bstr.eu"]
 build = "sh cargobuild.sh"
 
 [features]
diff --git a/Makefile.in b/Makefile.in
index 091dfa6..df66641 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -32,7 +32,7 @@ examples: gtktest cairotest
 .PHONY: rgtk-build
 rgtk-build: src/*
 					@$(ECHO) "$(OK_COLOR) Building rgtk.rlib $(NO_COLOR)"
-					$(RUSTC) src/$(LIBNAME).rs --cfg $(GTK_VERSION) -L $(GLUE_DST) --out-dir target/
+					$(RUSTC) src/$(LIBNAME).rs --cfg feature=\"$(GTK_VERSION)\" -L $(GLUE_DST) --out-dir target/
 
 .PHONY:
 glue : $(GLUE_DST)/$(GLUE_LIBNAME).a
@@ -90,7 +90,7 @@ $(EXAMPLE_DIR)text_viewer: rgtk examples/text_viewer.rs | $(EXAMPLE_DIR)
 
 .PHONY: doc
 doc:
-					rustdoc --cfg $(GTK_VERSION) -o doc/ src/rgtk.rs
+					rustdoc --cfg feature=\"$(GTK_VERSION)\" -o doc/ src/rgtk.rs
 					chmod -R 755 doc/
 
 $(GLUE_DST)/  $(EXAMPLE_DIR) target/:
diff --git a/src/gtk/mod.rs b/src/gtk/mod.rs
index 05d0316..04bcb56 100644
--- a/src/gtk/mod.rs
+++ b/src/gtk/mod.rs
@@ -150,14 +150,14 @@ pub use self::widgets::{
     RecentChooserWidget
 };
 
-#[cfg(any(GTK_3_6, GTK_3_8, GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_6", feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
 /// GTK Widgets for versions since GTK 3.6
 pub use self::widgets::{
     MenuButton,
     LevelBar,
 };
 
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 /// GTK Widgets for versions since GTK 3.10
 pub use self::widgets::{
     SearchEntry,
@@ -170,7 +170,7 @@ pub use self::widgets::{
     ListBoxRow,
 };
 
-#[cfg(GTK_3_12)]
+#[cfg(feature = "GTK_3_12")]
 /// GTK Widgets for versions since GTK 3.12
 pub use self::widgets::{
     FlowBox,
diff --git a/src/gtk/traits/button.rs b/src/gtk/traits/button.rs
index fb0529e..1f1d45e 100644
--- a/src/gtk/traits/button.rs
+++ b/src/gtk/traits/button.rs
@@ -158,7 +158,7 @@ pub trait Button: Widget + Container {
         }
     }
 
-    #[cfg(any(GTK_3_6, GTK_3_8, GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_6", feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
     fn set_always_show_image(&mut self, always_show: bool) -> () {
         match always_show {
             true    => unsafe { ffi::gtk_button_set_always_show_image(GTK_BUTTON(self.get_widget()), ffi::GTRUE) },
@@ -166,7 +166,7 @@ pub trait Button: Widget + Container {
         }
     }
 
-    #[cfg(any(GTK_3_6, GTK_3_8, GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_6", feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
     fn get_always_show_image(&self) -> bool {
         match unsafe { ffi::gtk_button_get_always_show_image(GTK_BUTTON(self.get_widget())) } {
             ffi::GFALSE => false,
diff --git a/src/gtk/traits/dialog.rs b/src/gtk/traits/dialog.rs
index f9d1f38..4bf8e00 100644
--- a/src/gtk/traits/dialog.rs
+++ b/src/gtk/traits/dialog.rs
@@ -107,7 +107,7 @@ pub trait Dialog: traits::Widget + traits::Container + traits::Bin + traits::Win
         }
     }
 
-    #[cfg(GTK_3_12)]
+    #[cfg(feature = "GTK_3_12")]
     fn get_header_bar<T: traits::Widget>(&self) -> Option<T> {
         let tmp_pointer = unsafe { ffi::gtk_dialog_get_header_bar(GTK_DIALOG(self.get_widget())) };
 
diff --git a/src/gtk/traits/label.rs b/src/gtk/traits/label.rs
index 3092316..6628919 100644
--- a/src/gtk/traits/label.rs
+++ b/src/gtk/traits/label.rs
@@ -102,14 +102,14 @@ pub trait Label : Widget {
         }
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
     fn set_lines(&mut self, lines: i32) -> () {
         unsafe {
             ffi::gtk_label_set_lines(GTK_LABEL(self.get_widget()), lines as c_int);
         }
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
     fn get_lines(&self) -> i32 {
         unsafe {
             ffi::gtk_label_get_lines(GTK_LABEL(self.get_widget())) as c_int
diff --git a/src/gtk/widgets/button.rs b/src/gtk/widgets/button.rs
index d8cf3f4..32f86a9 100644
--- a/src/gtk/widgets/button.rs
+++ b/src/gtk/widgets/button.rs
@@ -59,7 +59,7 @@ impl Button {
         check_pointer!(tmp_pointer, Button)
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
     pub fn new_from_icon_name(icon_name: &str, size: IconSize) -> Option<Button> {
         let tmp_pointer = unsafe {
             icon_name.with_c_str(|c_str| {
diff --git a/src/gtk/widgets/grid.rs b/src/gtk/widgets/grid.rs
index ddc7eca..7a9efec 100644
--- a/src/gtk/widgets/grid.rs
+++ b/src/gtk/widgets/grid.rs
@@ -77,14 +77,14 @@ impl Grid {
         }
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
      pub fn remove_row(&mut self, position: i32) -> () {
         unsafe {
             ffi::gtk_grid_remove_row(GTK_GRID(self.pointer), position as c_int);
         }
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
      pub fn remove_column(&mut self, position: i32) -> () {
         unsafe {
             ffi::gtk_grid_remove_column(GTK_GRID(self.pointer), position as c_int);
@@ -149,14 +149,14 @@ impl Grid {
         }
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
     pub fn get_baseline_row(&self) -> i32 {
         unsafe {
             ffi::gtk_grid_get_baseline_row(GTK_GRID(self.pointer)) as i32
         }
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
     pub fn set_baseline_row(&mut self, row: i32) -> () {
         unsafe {
             ffi::gtk_grid_set_baseline_row(GTK_GRID(self.pointer), row as c_int);
diff --git a/src/gtk/widgets/infobar.rs b/src/gtk/widgets/infobar.rs
index eb2f97b..828aeb7 100644
--- a/src/gtk/widgets/infobar.rs
+++ b/src/gtk/widgets/infobar.rs
@@ -78,7 +78,7 @@ impl InfoBar {
         }
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
     pub fn show_close_button(&mut self, show: bool) -> () {
          match show {
             true    => unsafe { ffi::gtk_info_bar_set_show_close_button(GTK_INFOBAR(self.pointer), ffi::GTRUE) },
@@ -86,7 +86,7 @@ impl InfoBar {
         }
     }
 
-    #[cfg(any(GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_10",feature = "GTK_3_12"))]
     pub fn get_show_close_button(&self) -> bool {
         match unsafe { ffi::gtk_info_bar_get_show_close_button(GTK_INFOBAR(self.pointer)) } {
             ffi::GFALSE => false,
diff --git a/src/gtk/widgets/levelbar.rs b/src/gtk/widgets/levelbar.rs
index 541bbf7..25a5dab 100644
--- a/src/gtk/widgets/levelbar.rs
+++ b/src/gtk/widgets/levelbar.rs
@@ -89,7 +89,7 @@ impl LevelBar {
         }
     }
 
-    #[cfg(any(GTK_3_8, GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_8", feature = "GTK_3_10",feature = "GTK_3_12"))]
     pub fn set_inverted(&mut self, inverted: bool) -> () {
         match inverted {
             true    => unsafe { ffi::gtk_level_bar_set_inverted(GTK_LEVELBAR(self.pointer), ffi::GTRUE) },
@@ -97,7 +97,7 @@ impl LevelBar {
         }
     }
 
-    #[cfg(any(GTK_3_8, GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_8", feature = "GTK_3_10",feature = "GTK_3_12"))]
     pub fn get_inverted(&self) -> bool {
         match unsafe { ffi::gtk_level_bar_get_inverted(GTK_LEVELBAR(self.pointer)) } {
             ffi::GFALSE => false,
diff --git a/src/gtk/widgets/mod.rs b/src/gtk/widgets/mod.rs
index 3bf6f2f..525d103 100644
--- a/src/gtk/widgets/mod.rs
+++ b/src/gtk/widgets/mod.rs
@@ -26,7 +26,7 @@ pub use self::fontbutton::FontButton;
 pub use self::togglebutton::ToggleButton;
 pub use self::checkbutton::CheckButton;
 pub use self::fontchooserdialog::FontChooserDialog;
-#[cfg(any(GTK_3_6, GTK_3_8, GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_6", feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::menubutton::MenuButton;
 pub use self::colorbutton::ColorButton;
 pub use self::linkbutton::LinkButton;
@@ -36,13 +36,13 @@ pub use self::volumebutton::VolumeButton;
 pub use self::grid::Grid;
 pub use self::entrybuffer::EntryBuffer;
 pub use self::entry::Entry;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::searchentry::SearchEntry;
 pub use self::switch::Switch;
 pub use self::scale::Scale;
-#[cfg(any(GTK_3_6, GTK_3_8, GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_6", feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::levelbar::LevelBar;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::searchbar::SearchBar;
 pub use self::spinbutton::SpinButton;
 pub use self::spinner::Spinner;
@@ -68,21 +68,21 @@ pub use self::aboutdialog::AboutDialog;
 pub use self::messagedialog::MessageDialog;
 pub use self::colorchooserdialog::ColorChooserDialog;
 pub use self::notebook::NoteBook;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::stack::Stack;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::stack_switcher::StackSwitcher;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::revealer::Revealer;
 pub use self::overlay::Overlay;
 pub use self::layout::Layout;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::header_bar::HeaderBar;
-#[cfg(GTK_3_12)]
+#[cfg(feature = "GTK_3_12")]
 pub use self::flow_box::{FlowBox, FlowBoxChild};
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 pub use self::list_box::{ListBox, ListBoxRow};
-#[cfg(GTK_3_12)]
+#[cfg(feature = "GTK_3_12")]
 pub use self::action_bar::ActionBar;
 pub use self::filefilter::FileFilter;
 pub use self::filechooserdialog::FileChooserDialog;
@@ -132,7 +132,7 @@ mod separator;
 mod fontbutton;
 mod togglebutton;
 mod checkbutton;
-#[cfg(any(GTK_3_6, GTK_3_8, GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_6", feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod menubutton;
 mod colorbutton;
 mod linkbutton;
@@ -142,13 +142,13 @@ mod volumebutton;
 mod grid;
 mod entrybuffer;
 mod entry;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod searchentry;
 mod switch;
 mod scale;
-#[cfg(any(GTK_3_6, GTK_3_8, GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_6", feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod levelbar;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod searchbar;
 mod spinbutton;
 mod spinner;
@@ -172,21 +172,21 @@ mod colorchooserdialog;
 mod fontchooserdialog;
 mod messagedialog;
 mod notebook;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod stack;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod stack_switcher;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod revealer;
 mod overlay;
 mod layout;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod header_bar;
-#[cfg(GTK_3_12)]
+#[cfg(feature = "GTK_3_12")]
 mod flow_box;
-#[cfg(any(GTK_3_10, GTK_3_12))]
+#[cfg(any(feature = "GTK_3_10", feature = "GTK_3_12"))]
 mod list_box;
-#[cfg(GTK_3_12)]
+#[cfg(feature = "GTK_3_12")]
 mod action_bar;
 mod filefilter;
 mod filechooserdialog;
diff --git a/src/gtk/widgets/treeview.rs b/src/gtk/widgets/treeview.rs
index f3eb3f5..cfc98b5 100644
--- a/src/gtk/widgets/treeview.rs
+++ b/src/gtk/widgets/treeview.rs
@@ -75,14 +75,14 @@ impl TreeView {
         }
     }
 
-    #[cfg(any(GTK_3_8, GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
     pub fn get_activate_on_single_click(&self) -> bool {
         unsafe {
             ffi::to_bool(ffi::gtk_tree_view_get_activate_on_single_click(GTK_TREE_VIEW(self.pointer)))
         }
     }
 
-    #[cfg(any(GTK_3_8, GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_8", feature = "GTK_3_10", feature = "GTK_3_12"))]
     pub fn set_activate_on_single_click(&mut self, setting: bool) {
         unsafe {
             ffi::gtk_tree_view_set_activate_on_single_click(GTK_TREE_VIEW(self.pointer),
@@ -90,7 +90,7 @@ impl TreeView {
         }
     }
 
-    #[cfg(any(GTK_3_4, GTK_3_6, GTK_3_8, GTK_3_10, GTK_3_12))]
+    #[cfg(any(feature = "GTK_3_4", feature = "GTK_3_6", feature = "GTK_3_8", feature = "GTK_3_10",feature = "GTK_3_12"))]
     pub fn get_n_columns(&self) -> uint {
         unsafe {
             ffi::gtk_tree_view_get_n_columns(GTK_TREE_VIEW(self.pointer)) as uint