7.8 Release Update

[Iavor Diatchki]

Hello,

I think that the simple type nats solver (branch type-nats-simple) is
pretty much ready for merging with HEAD.  Should I go ahead and merge it in?

-Iavor


On Thu, Sep 12, 2013 at 1:18 PM, Austin Seipp <austin at well-typed.com> wrote:

> I think this can definitely be clarified. I'll update the docs a
> little later today when I get a chance.
>
> On Thu, Sep 12, 2013 at 1:35 PM, Simon Peyton-Jones
> <simonpj at microsoft.com> wrote:
> > Is this something that could be clarified in GHC's documentation?  Patch?
> >
> > Simon
> >
> > |  -----Original Message-----
> > |  From: ghc-devs [mailto:ghc-devs-bounces at haskell.org] On Behalf Of
> Kazu
> > |  Yamamoto
> > |  Sent: 12 September 2013 04:43
> > |  To: glasgow-haskell-users at haskell.org; ghc-devs at haskell.org
> > |  Subject: Re: 7.8 Release Update
> > |
> > |  Hi,
> > |
> > |  Now I understand what is right and why I misunderstood.
> > |
> > |  - GHC 7.8 provides three kinds of libraries:
> > |       - static libraries
> > |       - dynamic libraries
> > |       - static libraries for profiling
> > |  - GHCi uses dynamic libraries.
> > |  - Programs complied with GHC 7.8 use static libraries.
> > |  - When a library package is complied, both static one and dynamic
> > |    one are created.
> > |  - When "-p" or "--enabling-executable-profiling" are specified to
> > |    cabal, static libraries for profiling are also created and used.
> > |
> > |  So, we don't have to specify "--enable-shared"/"--disable-shared" to
> > |  cabal in normal situation.
> > |
> > |  There is no bug. Just I misunderstood.
> > |
> > |  * Why did I misunderstand that programs are linked dynamically?
> > |
> > |  I tried to support GHC 7.8 for doctest. Doctest uses GHCi internally.
> > |  At the beginning, doctest cannot pass many tests if "--enable-shared"
> > |  is not specified. This was fixed:
> > |
> > |       https://github.com/sol/doctest-haskell/issues/58
> > |
> > |  Now, "--enable-shared" is not necessary even for doctest.
> > |
> > |  * Why did I misunderstand that compiling programs for profiling fails?
> > |
> > |  I specified --ghc-options="-prof -fprof-auto". "-prof" lets GHC 7.8
> > |  to produce both static and dynamic libraries for profiling. This
> > |  resulted in build failure.
> > |
> > |  Right procedure for profiling are:
> > |
> > |  % cabal install -p --enable-executable-profiling
> --ghc-options="-fprof-auto" -j3
> > |
> > |  or
> > |
> > |  % cabal install -p --ghc-options="-fprof-auto" --only-dependencies -j3
> > |  % cabal configure --enable-executable-profiling
> > |  % cabal build
> > |
> > |  --Kazu
> > |
> > |  > On 09/09/13 08:14, Edward Z. Yang wrote:
> > |  >> Excerpts from Kazu Yamamoto (山本和彦)'s message of Sun Sep 08
> > |  >> 19:36:19 -0700 2013:
> > |  >>> ----
> > |  >>> % make show VALUE=GhcLibWays
> > |  >>> make -r --no-print-directory -f ghc.mk show
> > |  >>> GhcLibWays="v p dyn"
> > |  >>> ----
> > |  >>
> > |  >> Yes, it looks like you are missing p_dyn from this list. I think
> > |  >> this is a bug in the build system.  When I look at ghc.mk
> > |  >> it only verifies that the p way is present, not p_dyn; and I don't
> > |  >> see any knobs which turn on p_dyn.
> > |  >>
> > |  >> However, I must admit to being a little confused; didn't we abandon
> > |  >> dynamic by default and switch to only using dynamic for GHCi (in
> which
> > |  >> case the profiling libraries ought not to matter)?
> > |  >
> > |  > I think Kazu is saying that when he builds something with profiling
> > |  > using cabal-install, it fails because cabal-install tries to build a
> > |  > dynamic version too.  We don't want dyanmic/profiled libraries
> > |  > (there's no point, you can't load them into GHCi).  Perhaps this is
> > |  > something that needs fixing in cabal-install?
> > |  >
> > |  > Cheers,
> > |  >    Simon
> > |  >
> > |  _______________________________________________
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> >
>
>
>
> --
> Austin Seipp, Haskell Consultant
> Well-Typed LLP, http://www.well-typed.com/
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