re compile Fortran on rh9

re compile Fortran on rh9

Hi
I wonna recompile some unix wrotten fortran file (*.f) on rh9 ,
I got some error :
+++++++++++++++++++++++++++++++++++++++++++++++++++
[root@c50508 Source]# g77 selec.f
/tmp/ccsd1o2D.o(.text+0x56): In function `MAIN__':
: undefined reference to `litpas_'
/tmp/ccsd1o2D.o(.text+0x2e1): In function `MAIN__':
: undefined reference to `litpas_'
/tmp/ccsd1o2D.o(.text+0x3ce): In function `MAIN__':
: undefined reference to `lenc_'
/tmp/ccsd1o2D.o(.text+0x4d2): In function `MAIN__':
: undefined reference to `litpas_'
/tmp/ccsd1o2D.o(.text+0x829): In function `MAIN__':
: undefined reference to `lenc_'
collect2: ld returned 1 exit status
+++++++++++++++++++++++++++++++++++++++++++++++++++
please help me
thanks

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