[Haskell-cafe] Profiling a project with cabal and cabal-dev
mkscrg at gmail.com
Wed Nov 7 06:00:13 CET 2012
Got it. Thanks for the info, Erik. I've updated my cabal config and
reinstalled some of the global packages, and the world seems much less
On Tue, Nov 6, 2012 at 5:39 PM, Erik Hesselink <hesselink at gmail.com> wrote:
> I think this is just the way it works currently, since cabal only tracks
> the installed package and version, but not if profiling was enabled. I
> always have my ~/.cabal/config set to install profiling libraries to avoid
> this problem. That doesn't help you now though. The easiest thing to do is
> probably to remove your sandbox and start from a blank slate.
> On Tue, Nov 6, 2012 at 7:48 PM, Mike Craig <mkscrg at gmail.com> wrote:
>> Hi all,
>> So I've been working on a project and I'd like to run it with profiling
>> to diagnose the performance hotspots. It's a cabal project and I've been
>> using cabal-dev for sandboxing. Normally I would just run `cabal-dev
>> install` to get everything built and the executables "installed" in
>> ./cabal-dev/bin. Since I want to compile with profiling, I tried this:
>> $ cabal-dev install enable-executable-profiling
>> The build fails with an error log that includes something like "Perhaps
>> you haven't installed the profiling libraries for package
>> `http-types-0.7.3.0.1'?" If I then try ...
>> $ cabal-dev install -p --reinstall --force-reinstalls http-types-0.7.3.0.1
>> ... I find myself walking down the dependency tree. (http-types ->
>> case-insensitive -> hashable -> etc.) Presumably this would eventually walk
>> me out of the sandbox and I would be reinstalling the base libraries in my
>> sandbox with profiling enabled.
>> This doesn't seem right. (And if it is right, it doesn't seem like I
>> should have to do it manually, package by package.) What am I doing wrong?
>> Haskell-Cafe mailing list
>> Haskell-Cafe at haskell.org
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