Problem in installing lyx v1.1.6

[Pawan Kumar]

Dear all,
      I am trying to install lyx v1.1.6 but got the foll error message
"Cannot find forms.h".
I have already installed xforms v0.88.5 and libXpm v4.7.
Please tell me what I should do the solve this problem.
   Thanx in advance,

                                                            __
                                                           |  \ | / 
                                                           |__/ |/   
                                                           |    |\
                                                           |    | \ 

                                     -------------------------------------
                                     pawan kumar,
                                     3rd year,Computer Science & Engg.,
                                     Room # D-55, Karakoram hostel,
                                     e-mail: [EMAIL PROTECTED]
                                     -------------------------------------