how to change the xorg7.2's build flag

[LongdaFeng at viatech.com.cn]

Dear friends:

         Currently, I use the buiid-from-tarballs.sh to build the xorg7.2

the default  gcc optimization’s level is –O2, 

         I want to change it to –O0,

         How to do it?

 

         Thank you very much!! 

 

         

 

Best regards

Longda Feng

 

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