Failure to Build

[Matthew Pickering]

Are you starting from a completely clean tree? (achieved by `make
maintainer-clean`)?

On Tue, Jul 31, 2018 at 3:34 PM, Ara Adkins <me at ara.io> wrote:
> Hey Devs,
>
> I'm having trouble building the head of the ghc-8.6 branch (`26a7f850d1`) on
> my Arch Linux machine. The essence of the error is this as follows, though
> the full result of make (to the point of error) is attached.
>
> ```
> Configuring template-haskell-2.14.0.0...
> ghc-cabal: Encountered missing dependencies:
> ghc-boot-th ==8.6.* && ==8.7
> ```
>
> The output of configure is as follows:
> ```
> ----------------------------------------------------------------------
> Configure completed successfully.
>
>    Building GHC version  : 8.7.20180730
>           Git commit id  : 26a7f850d15b91ad68d1e28d467faba00bb79144
>
>    Build platform        : x86_64-unknown-linux
>    Host platform         : x86_64-unknown-linux
>    Target platform       : x86_64-unknown-linux
>
>    Bootstrapping using   : /usr/bin/ghc
>       which is version   : 8.4.3
>
>    Using (for bootstrapping) : gcc
>    Using gcc                 : gcc
>       which is version       : 8.1.1
>    Building a cross compiler : NO
>    Unregisterised            : NO
>    hs-cpp       : gcc
>    hs-cpp-flags : -E -undef -traditional
>    ar           : ar
>    ld           : ld.gold
>    nm           : nm
>    libtool      : libtool
>    objdump      : objdump
>    ranlib       : ranlib
>    windres      :
>    dllwrap      :
>    genlib       :
>    Happy        : /home/ara/.local/bin/happy (1.19.9)
>    Alex         : /usr/bin/alex (3.2.4)
>    Perl         : /usr/bin/perl
>    sphinx-build : /usr/bin/sphinx-build
>    xelatex      : /usr/bin/xelatex
>
>    Using LLVM tools
>       clang : clang
>       llc   :
>       opt   :
>    HsColour : /usr/bin/HsColour
>
>    Tools to build Sphinx HTML documentation available: YES
>    Tools to build Sphinx PDF documentation available: YES
> ----------------------------------------------------------------------
> ```
>
> Any help would be most appreciated.
>
> Best,
> _ara
>
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