Re: [Haskell-iPhone] Can anyone help me test GHC-iOS compiler?

10 Aug 2013

      Hi Stephen/all,

I got LLVM 3.0 installed and started building again but hit a very strange
problem now wherein tons of layout-based code (as in
http://en.wikibooks.org/wiki/Haskell/Indentation) is suddenly erroring out,
e.g.
compiler/coreSyn/CoreUnfold.lhs:481:2:
    parse error (possibly incorrect indentation or mismatched brackets)
(some files also seem to be triggered by mixed tabs and spaces)

I can fix the errors one by one by converting the code to use more concrete
indentation (like
do
    thing1
    thing2
)
but it's all over the tree.

Anyone have any idea what might cause this?

Cheers
Luke

On Fri, Aug 9, 2013 at 6:14 AM, Stephen Blackheath [to GHC-iPhone] <
likeliest.complexions.stephen@blacksapphire.com> wrote:
...
Luke,
Try llvm version 3.0 - that's what I'm using, and it definitely worked
before. llvm-3.1 is broken for GHC+ARM. As for llvm >= 3.2, I'm not sure if
it's been fixed yet, but it wasn't working last time I tried a couple of
months ago. I think this was because llvm is getting fussier about its
input and GHC hasn't been "tightened up" yet.
It's really easy to build llvm from source.
Steve
On 09/08/13 20:35, Luke Iannini wrote:
...
v3 output: https://gist.github.com/**lukexi/7ca55b36269703236f1fhttps://gist.github.com/lukexi/7ca55b36269703236f1f
On Fri, Aug 9, 2013 at 4:34 AM, Luke Iannini mailto:lukexipd@gmail.com> wrote:
OK, that got me past that one.
Now I'm stuck here during compilation of integer-simple:
    https://gist.github.com/**lukexi/d9f8bfd8bca56d5d0ee9https://gist.github.com/lukexi/d9f8bfd8bca56d5d0ee9
("unsupported relocation on symbol"/"co-processor offset out of
range")
On Fri, Aug 9, 2013 at 4:00 AM, Luke Iannini mailto:lukexipd@gmail.com> wrote:
OK, I'm underway on this.
First roadbump was:
"inplace/bin/ghc-stage1" -static -H32m -O -Iincludes
        -Iincludes/dist -Iincludes/dist-**derivedconstants/header
        -Iincludes/dist-ghcconstants/**header -Irts -Irts/dist/build
        -DCOMPILING_RTS -package-name rts -dcmm-lint -i -irts
        -irts/dist/build -irts/dist/build/autogen -Irts/dist/build
        -Irts/dist/build/autogen -O2 -c rts/Apply.cmm -o
        rts/dist/build/Apply.o
You are using a new version of LLVM that hasn't been tested yet!
        We will try though...
        /usr/local/bin/llc: : error: unable to get target for
        'arm-apple-darwin10', see --version and --triple.
which I figured out were because the homebrew LLVM 3.4 only
        includes host platforms by default (x86/x86-64)
        Reinstalling it with all-targets enables them all:
        brew install llvm --with-clang --all-targets --HEAD
Trying again now.
On Thu, Aug 8, 2013 at 5:29 PM, Luke Iannini mailto:lukexipd@gmail.com> wrote:
Update: I've got GHC HEAD building on 10.9 again, tonight
            I'll dive into the iOS patch!
            Cheers
            Luke
On Wed, Aug 7, 2013 at 9:12 PM, Carter Schonwald
            >>
wrote:
if you're on 10.8, just DL the 4.6 CLI tools to get
                things working again.
If you're on 10.9, you'll need to use recent GHC head +
                CLANG HEAD, (ok, the most recent XCODE 5 dev preview CLI
                tools may have all the needed clang patches, but thats
                still needing its own validation, orthogonal to the IOS
                related issues )
On Tue, Aug 6, 2013 at 7:06 PM, Luke Iannini
                mailto:lukexipd@gmail.com> wrote:
Hi Stephen,
I installed 10.9 for another project and thus am in
                    the middle of fixing up my system to be able to
                    build GHC again, but I think I'm close — as soon as
                    I have it going I'll try this.
In the meantime someone still on 10.8 should
                    definitely try the patch!
Hope you're great!
                    Luke
On Tue, Aug 6, 2013 at 6:42 PM, Stephen Blackheath
                    [to GHC-iPhone]

...
...
wrote:
Hi all,
A couple of months ago I got some patches
                        applied to GHC mainline for the ability to cross
                        compile to iOS. I've been doing other things and
                        now I want to test those changes. The trouble
                        is, I am having Apple trouble and I can't get
                        Xcode to work.
If anyone is interested in testing it for me,
                        I'd appreciate it.
The patch attached here needs to be applied to
                        GHC head. Using this, I was able to get the
                        cross compiler to build. The instructions are
here:
http://ghc.haskell.org/trac/__**
ghc/wiki/Building/__**CrossCompiling/iOShttp://ghc.haskell.org/trac/__ghc/wiki/Building/__CrossCompiling/iOS
<http://ghc.haskell.org/trac/**ghc/wiki/Building/
**CrossCompiling/iOShttp://ghc.haskell.org/trac/ghc/wiki/Building/CrossCompiling/iOS
...
Steve
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