CPP usage in GHC.

[Carter Schonwald]

Oooooo.  Then it's possibly debris leftover from Austin's initial clang
compatibility work predating the improvements via the settings file work.

I'm Afk right now, but that probably can be safely removed from ghc,
especially since the configure script for clang cpp adds that anyways now I
think?  I might be wrong though.

On Monday, August 11, 2014, Karel Gardas <karel.gardas at centrum.cz> wrote:

> On 08/11/14 11:18 PM, Carter Schonwald wrote:
>
>> why should this flag be passed to cpp when invoked on HS files? It'd be
>> easy to expose another field in the settings file for this other
>> invokecation.. though i should look more closely at the use site before
>> opinining :)
>>
>
> Hmm, isn't doCpp function what's invoked when cpp is invoked for HS files?
> If so, then -x assembler-with-cpp is already used for HS files anyway.
>
> Karel
>
>
>>
>> On Mon, Aug 11, 2014 at 4:27 PM, Karel Gardas <karel.gardas at centrum.cz
>> <mailto:karel.gardas at centrum.cz>> wrote:
>>
>>     On 08/11/14 08:48 PM, Carter Schonwald wrote:
>>
>>         What i'm hearing you say is we actually need TWO sets of CPP
>>         flags, one
>>         for normal haskell, and another for the CPP used on the assembler?
>>         wheres this hardcoding?
>>
>>
>>     DriverPipeline.hs -- grep for "assembler-with-cpp" and you will find
>> it.
>>
>>     IMHO best would be to move this "-x assembler-with-cpp" into the
>>     hs-cpp-flags managed by configure. This way it may be even possible
>>     to use system supplied plain cpp instead of cpp builtinto GNU C.
>>
>>     Karel
>>
>>
>>
>
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