Uninstall GLIB 2.2.1

["Gerald Wong" <geraldsplanet hotmail com>]

I've installed glib-2.2.2 but i can't compile atk or pango because of the 
following error:

checking for GLIB - version >= 2.0.0...
*** 'pkg-config --modversion glib-2.0' returned 2.2.2, but GLIB (2.2.1)
*** was found! If pkg-config was correct, then it is best
*** to remove the old version of GLib. You may also be able to fix the error
*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing
*** /etc/ld.so.conf. Make sure you have run ldconfig if that is
*** required on your system.
*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH
*** to point to the correct configuration files
no
configure: error:
*** GLIB 2.0.0 or better is required. The latest version of
*** GLIB is always available from ftp://ftp.gtk.org/.

How do i stop this error from occurring?

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