Bug#862728: hedgewars: FTBFS on architectures without freepascal

[James Cowgill]

Source: hedgewars
Version: 0.9.22-dfsg-11
Severity: important
Tags: patch

Hi,

On architectures which do not have a freepascal compiler (such as mips*,
ppc64el, s390x, etc), hedgewars FTBFS with this error:

> /«PKGBUILDDIR»/tools/pas2c/Pas2C.hs:300:5: error:
>     * Non type-variable argument
>         in the constraint: MonadState RenderState m
>       (Use FlexibleContexts to permit this)
>     * When checking the inferred type
>         injectNamespace :: forall (m :: * -> *).
>                            MonadState RenderState m =>
>                            Identifier -> m ()
>       In an equation for `uses2C':
>           uses2C uses@(Uses unitIds)
>             = do { mapM_
>                      injectNamespace (Identifier "pas2cSystem" undefined : unitIds);
>                    mapM_ injectNamespace (Identifier "pas2cRedo" undefined : unitIds);
>                    mapM_ (id2C IOInsert . setBaseType BTUnit) unitIds;
>                    .... }
>             where
>                 injectNamespace (Identifier i _)
>                   = do { getNS <- gets (flip Map.lookup . namespaces);
>                          .... }
> tools/pas2c/CMakeFiles/pas2c.dir/build.make:63: recipe for target 'bin/pas2c' failed

This is a bug in the Pas2C script which does not compile with newer
version of GHC. It's fixed by these 2 upstream commits:
 6f45bb989ab48671cd6cedc820fde9dee94d3960
  ("pas2c: Tentatively fix the build")
 83f87ace0bcaf9112773fd918254f500624819b6
  ("Use less weird options")

I applied the attached combined patch and hedgewars now builds on mips64el.

Unfortunately I have no mips64el machines with graphics cards. I tried
to run hedgewars using X11 forwarding and I could start playing a game
for about 10 seconds before my X server crashed :/ (unlikely to be a bug
in hedgewars).

Thanks,
James
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