[yocto] overriding a class in custom layer

[Joshua Immanuel]

Hello all,
	What is the preferred way of overriding an existing class in the 'meta'
layer. I tried to add the existing class (say image_types.bbclass) to my
custom layer and did some modifications to it. But while trying to build
the image, only the original class gets inherited instead of the one in
my custom layer. How do I force the bitbake to use the modified class
file in the custom layer? 

Regards
Joshua
-- 
Joshua Immanuel
HiPro IT Solutions Private Limited
http://hipro.co.in
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