[Haskell-cafe] happy parser generator - stack space overflow error

Hello folks, I am generating a parser for SystemVerilog language using happy parser generator. I have the *.y file which i run using happy as below happy -gca ParSysverilog.y and i get the below error. Stack space overflow: current size 8388608 bytes. Use `+RTS -Ksize -RTS' to increase it. to increase the stack size and to get more info on the error, i learned that i need to use something like below. happy -RTS -K16384 -sstderr +RTS -gca ParSysverilog.y but i got an error message happy: Most RTS options are disabled. Link with -rtsopts to enable them. does this mean that, i need to recompile happy source code using the "-rtsopts" to use the +RTS...-RTS options ? any recommendations from your experience ? Thank you in advance Magesh