[Yhc] Can't compile

[Isaac]

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Andrew Wilkinson wrote:
> Excellent, we're getting somewhere. I've pushed another patch to correct
> that.
> 
> Unfortunately I'm completly guessing as to which files need to be compiled
> for libffi to work on ppc platforms.

Now the error is:
gcc -I. -Idepends/ctypes/libffi/include
- -Idepends/ctypes/libffi/src/powerpc -Idepends/ctypes/libffi/include
- -Idepends/ctypes/libffi/src/powerpc -Idepends/ctypes/libffi -c -o
depends/ctypes/libffi/src/powerpc/sysv.o
depends/ctypes/libffi/src/powerpc/sysv.S
depends/ctypes/libffi/src/powerpc/sysv.S:29:25: error: powerpc/asm.h: No
such file or directory
scons: *** [depends/ctypes/libffi/src/powerpc/sysv.o] Error 1
scons: building terminated because of errors.

There is a depends/ctypes/libffi/src/powerpc/asm.h that I assume it's
trying to include, (also there is src/runtime/libffi/src/powerpc/asm.h
...), hmm...

> If it doesn't work you could try fiddling with the files listed in
> /local/d0p6/aw/yhc/build, line 25. The files in that list need to be taken
> from yhc/depends/ctypes/libffi/src/powerpc (apart from the first two).

I can't find whatever file "/local/d0p6/aw/yhc/build" you're referring to...


What is Yhc doing that depends on the machine architecture? Is all this
ctypes, libffi, endianness testing, etc, just for the Haskell Foreign
Function Interface? Maybe it would help if I understood the organization
of these platform-specific things (if there is any yet). (speculation) :
Maybe it would be good to separate them out into one place so that it's
easy to see where any such thing occurs, and check that (if things need
to be split into cases by architecture) all supported cases are covered.
 It would be nice to be able to build the completely-portable parts of
Yhc (i.e. everything but the FFI) without relying on anything but a
bytecode interpreter (ANSI C compiler for usual Yhc bytecode
interpreter, .NET, whatever). Then we could be at least as portable as
Lua, though maybe not as memory-efficient. :) (And I could test the
parts of Yhc that do work for me.)

Isaac
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