Hi!
I am working on a program that uses ghc as a library to typecheck code. I want
to profile the program (compiling with '-prof -auto-all' and running
with '+RTS -p'). Trying to compile, results in the following message:
Could not find module `GHC':
Perhaps you haven't installed the profiling libraries for package
ghc-6.6.1?
I built ghc-6.6.1 from source without changing any configuration files. The
building guide (http://hackage.haskell.org/trac/ghc/wiki/Building/QuickStart)
says, this would install the compiler WITH profiling libraries. As i
understand it, this somehow excludes the ghc package. (Maybe because it is
not widely used?) Is this understanding right? Is it possible (and if, how)
to compile ghc with a profiling version of the ghc package?
I tried to add
GhcStage2HcOpts = -Rghc-timing -prof -auto-all
GhcStage2LibHcOpts = -prof -auto-all
to mk/build.mk, but i am getting the following build error in stage 2:
ghc-6.6.1: combination not supported: Threaded/Profiling
Do i need to disable thread support? How would i do that?
A second idea that comes to my mind is this:
The ghc package is hidden in the standard installation, so i unhided (unhid?)
it via 'ghc-pkg expose ghc'. Maybe it just exposed the non-profiling version
and kept the profiling version hidden? How would i expose both?
Any help appreciated...
Sönke
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