Editing Gtk2Hs/Mac (section)

== GTK+ OS X Framework ==

This explains how to install Gtk2Hs on Macs using the native [http://gtk-osx.sourceforge.net/ GTK+ OS X Framework], a port of GTK+ to the Mac that does '''not''' depend on X11, and hence, is better integrated into the Mac desktop - i.e., menus actually appear in the menu bar, where they belong.  It also avoids the often tedious installation of GTK+ via MacPorts.  However, it misses support for optional Gtk2Hs packages that are currently not supported by the [http://gtk-osx.sourceforge.net/ GTK+ OS X Framework], most notably support for Glade.  It does include support for Cairo, though.

Here is how to install the library:
# Download and install [http://gtk-osx.sourceforge.net/ GTK+ OS X Framework] (this uses the standard Mac package installer).
# Install [http://pkg-config.freedesktop.org/ pkg-config], either by compiling it from source or via MacPorts.
# Download and unpack the Gtk2Hs tar ball from the [http://www.haskell.org/gtk2hs/download/ Gtk2Hs download page] (I tested 0.10.0).
# Configure with (you may want to remove the two backslashes and put everything on one line)
      env PKG_CONFIG_PATH=/Library/Frameworks/Cairo.framework/Resources/dev/lib/pkgconfig:\ 
      /Library/Frameworks/GLib.framework/Resources/dev/lib/pkgconfig:\ 
      /Library/Frameworks/Gtk.framework/Resources/dev/lib/pkgconfig ./configure --disable-gio
# Build with
      make
# Install (to <tt>/usr/local/</tt> unless a <tt>--prefix</tt> option was passed to <tt>configure</tt>) with
      sudo make install

The library is now registered with the package database of the GHC you used for compiling.

NB: Thanks to Ross Mellgren for his post on the gtk2hs-users list that outlined the use of <tt>PKG_CONFIG_PATH</tt>.