Compiling haskell-src-exts with -prof

[cschmidt at deds.nl]

One of the packages that I use depends on Language.Haskell.Hsx
from haskell-src-exts. I want to profile my code, so I need
to compile Language.Haskell.Hsx for profiling.

I tried to figure out how to compile haskell-src-exts with -prof,
but so far I could not.

Can anyone point me in the right direction?

I am building on Windows with GHC 6.4, if that matters.

Thanks

        Cyril