problem in installing ns3--build failed
 

i am trying to install ns3.26 but receiving error"build failed"
my system is-- ubuntu 12.04 LTS 32bit
i am following link below for installation
https://www.nsnam.org/wiki/Installation#Installation

and downloaded release from this link https://www.nsnam.org/release/

receiving "build failed error" and it also shows many options as "not enabled"
following are screen shorts of terminal for reference purpose
showing not enabled options https://drive.google.com/file/d/0B3n...ew?usp=sharing
showing build failed errors https://drive.google.com/file/d/0B3n...ew?usp=sharing

i also read build errors on same page of installations instructions but errors i m receiving are bit different than those!!!
please help!!

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