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This commit was performed automatically by a script.
https://github.com/RyanGlScott/travis-maintenance

Reviewers: O25 HSC2HS, hvr

Subscribers: ckoparkar

Differential Revision: https://phabricator.haskell.org/D5238

Feature/add more archs

See also https://ghc.haskell.org/trac/ghc/ticket/15758

The hsc2hs-0.68.4 release was already revised with a lower bound `base >= 4.12` to
mitigate the issue solver-side
(http://hackage.haskell.org/package/hsc2hs-0.68.4/revisions/)

This improves upon #9

This commit was performed automatically by a script.
https://github.com/RyanGlScott/travis-maintenance

All lower bounds except those for `process` (due to showCommandForUser)
match the versions of boot libraries shipped w/ GHC 7.0

See https://ghc.haskell.org/trac/ghc/ticket/13896

While I was in town, I also:

* Added a cabal.project file
* Updated .gitignore to include cabal new-build artifacts

These are tests to illustrate GHC cross-compilation failures:
    https://ghc.haskell.org/trac/ghc/ticket/14889Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

and update GHC 8.2.1 to GHC 8.2.2 while at it

The previous script didn't run the testsuites yet

As this would require us to declare `cabal-version: 2.0` in the
cabal package description.

This regression was introduced in 9c13b192

Fixes #6

Adds a crude at&t assembly parser to resolve constants

update travis.yml to not try to build the testsuite on 7.0 and 7.2
which won't work, because the dependencies 'call-stack' depends
on base >= 4.5, which is a dependency of hspec-core.

Also updates the assembly files, to drop the `\n` test, which might
end up as `\12`, as `\12`, `\x0a` and `\n`, testing this properly
would require some form of normalization, which we don't have yet.

Our current approach is taken from autoconf, and requires a binary search to
find constants.  This is not only very time consuming but also breaks when the
compiler fails to recognize an expression as constant.  As such we ask the
compiler to produce assembly, crudely parse that assembly and try to extract the
constant directly from the generated assembly.

Summary:
This removes the make concurrency bug from the CrossCompilation
fix, and uses the same appraoch `utils/unlit` already uses. See:
https://git.haskell.org/ghc.git/commitdiff/ff84d052850b637b03bbb98cf05202e44886257d

Reviewers: bgamari, O25 HSC2HS, hvr

Differential Revision: https://phabricator.haskell.org/D4243