Error in Processing Project File with qmake,qt in Linux mint

I tried to build .pro file with qmake version 3.1 getting this error /home/astrogirl/Downloads/Gadget-2.0.7/Analysis/energy_galaxy.pro:29: Assignment needs exactly one word on the left hand side. /home/astrogirl/Downloads/Gadget-2.0.7/Analysis/energy_galaxy.pro:30: Assignment needs exactly one word on the left hand side. /home/astrogirl/Downloads/Gadget-2.0.7/Analysis/energy_galaxy.pro:31: Assignment needs exactly one word on the left hand side. /home/astrogirl/Downloads/Gadget-2.0.7/Analysis/energy_galaxy.pro:32: Assignment needs exactly one word on the left…

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