what should be use in redhat 8.0 make file instead of freebsd file (bsd.port.mk)

my project is casino game its develop in c++ by FREEBSD 4.11

now my work is to update the file in REDHAT 8.0 , for that makefile what changes should be done

plz any one can help me

mail me at : snipped-for-privacy@redim.net