problems with FFI including h files

Sven Moritz Hallberg pesco@gmx.de
Sat, 1 Jun 2002 13:03:17 +0200


On Saturday 01. June 2002 12:43, Sven Panne wrote:
> Alastair Reid wrote:
>  > Any time you take two large C programs/libraries and try to merge
>  > them, you're likely to run into preprocessor (or compiler) related
>  > errors like those you describe. [...]
>
> Sad, but very true! And GHC's headers are not very nice in this respect=
:
>
>     panne@jeanluc:~> grep '#define [^ \t][^ \t] '
> /usr/lib/ghc-5.03/include/* /usr/lib/ghc-5.03/include/PrimOps.h:#define=
 C 0
>     /usr/lib/ghc-5.03/include/PrimOps.h:#define R 1
>     /usr/lib/ghc-5.03/include/PrimOps.h:#define C 1
>     /usr/lib/ghc-5.03/include/PrimOps.h:#define R 0

*gulp*


> SimonM: What about a "poor man's" namespace, i.e. prefixing every macro=
,
> type, etc. with "GHC"/"ghc"? OpenGL, GLUT, GTK, etc. do a similar thing=
,
> and although it's a primitive measure, it's very effective.

Are these macros of interest outside the GHC headers themselves? If not, =
they=20
should be #undef'ed as early as possible.


Regards,
Sven Moritz