make error with Flex??

[Tho Truong]

hi, can someone help me with this problem. I tried to install Flex on 
Solaris8.
After i did ./configure and i tried make it give this error:
yacc -d ./parse.y
sh: yacc: not found
*** Error code 1
make: Fatal error: Command failed for target `parse.c'

I got no clue why it happen. Please email me if you know the solution to 
this. Thanks.
--Tho


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