ctypes patches

[Anthony Green]

Thomas Heller wrote:
> Here are patches from the Python/ctypes libffi fork, for the src directory.
> It would be great if they were applied, in full or partially, to the libffi CVS repository.
>   
Thanks Thomas!  Comments below...

> Comments on the patch:
>
> - replace 'void (*)()' with 'void (*)(void)' everywhere.
>
> - replace C++ comments with C comments in src/x86/ffi.c
>
>   
I've committed both of these.
> - (src/x86/sysv.S) Patch #1560695: Add .note.GNU-stack to ctypes' sysv.S so that
>   ctypes isn't considered as requiring executable stacks.
>   
See my follow-up email.

> - src/powerpc/darwin_closure.S: Try to fix the build on Mac OS X 10.3.
>   The 'live_support' segment attribute is not supported in this version.
>   
Hmm.. you had previously submitted test results for OS X.  Was that a 
different version?
Should we use a configure test to determine whether or not to use 
live_support.   (What is live_support anyways?)

> - powerpc/ffi_darwin.S, powerpc/darwin.S, powerpc/darwin_closure.S, x86/darwin.S:
>   The complete body of these files is surrounded by a #ifdef <arch>/#endif block,
>   where <arch> is the architecture to build for.  This allows (with additional
>   changes to configure.ac and configure) to build universal (fat) binaries on OS X.
>   
I haven't committed these yet, but they are probably fine.

Thanks again...

AG



> Thomas
>