Apologies if this is not exactly what this list is for but is anyone running ghc on Solaris, specifically Open Solaris 5.11? It seemed to work paulj@hb-0021209.humanities.manchester:~/haskell/aht/3$ ghc --version The Glorious Glasgow Haskell Compilation System, version 6.8.3 paulj@hb-0021209.humanities.manchester:~/haskell/aht/3$ ghci GHCi, version 6.8.3: http://www.haskell.org/ghc/ :? for help Loading package base ... linking ... done. Prelude> And ghci works as expected but !!! Trying to compile I get: paulj@hb-0021209.humanities.manchester:~/haskell/aht/3$ ghc -o Haq Haq.hs compilation IS NOT required Undefined first referenced symbol in file __gmpz_tdiv_q /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_tdiv_r /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpn_cmp /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_add /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_and /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_gcd /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_ior /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_com /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_mul /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_xor /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_sub /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpn_gcd_1 /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_init /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_fdiv_qr /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmp_set_memory_functions /usr/local/lib/ghc-6.8.3/libHSrts.a(Storage.o) __gmpz_divexact /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) __gmpz_tdiv_qr /usr/local/lib/ghc-6.8.3/libHSrts.a(PrimOps.o) ld: fatal: Symbol referencing errors. No output written to Haq collect2: ld returned 1 exit status I get this trying to build hmake with the new configure file supplied by Malcolm Wallace. Once again sorry if its off topic but wondered if it's only me :-) Cheers Paul