Mips64el Linux Build

[Carter Schonwald]

hey Cherry, thanks for noting this.

could you file a ticket on trac? (though adding it to the cross compiling
notes on the wiki is great too)

cheers
-Carter


On Sun, Dec 15, 2013 at 10:32 PM, cherry <cherry.mui9 at gmail.com> wrote:

> Hello,
>
> I am new to the list, though I have been using GHC for a long time. Just
> say Hello.
>
> I would like to share my experience about building GHC (7.7.20131112)
> on/for mips64el linux, just in case anybody is interested, as it seems not
> documented (on Wiki pages of Platforms, CrossCompiling, or Porting). Ignore
> this email if it is not interesting or too trivial.
>
> It bootstrapped by cross compiling on x86_64 linux, with some tweaking on
> mk/build.mk and the build process. In particular, I needed to specify
>
> export CPP="mips64el-unknown-linux-gnu-gcc -E"
>
> otherwise the configure script just found to use the native "gcc -E" and
> it failed in preprocessing rts C files. Also in mk/build.mk I forced
>
> GhcThreaded = NO
> GhcWithInterpreter = YES  # so, it can use TH and build happy
>
> The make process failed when trying to use ghc-stage2, but at that point
> the stage 2 compiler is already built, that's enough.
>
> With this cross-compiled ghc-stage2, the native build on mips64el machine
> was done without much interleaving. inplace/lib/unlit was x86_64 binary,
> and needed to be rebuild. Also manually built alex and happy (and their
> dependencies). Then it just went through. So, the new way of porting seems
> just cross compiling followed by native compiling? Somewhat surprisingly,
> GHCi is also working (forced it to be built), with system's dynamic linker.
>
> Is there need to write/update a wiki page for this?
>
> Thanks,
> cherry
>
>
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