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Re: Validate broken on x86_64 and PPC


On Tue, May 26, 2009 at 09:28:18PM +1000, Ben Lippmeier wrote:
>
> There's a similar validate problem on PPC.
> Looks like word size, or other config thing is messed up.
>
> gcc -DHAVE_CONFIG_H -I. -I. -I./include -Iinclude -I./src -Wall -g  
> -fexceptions -O -g -O2 -Wall -Werror -MT src/powerpc/ffi_darwin.lo -MD  
> -MP -MF src/powerpc/.deps/ffi_darwin.Tpo -c src/powerpc/ffi_darwin.c -o  
> src/powerpc/ffi_darwin.o
> cc1: warnings being treated as errors
> src/powerpc/ffi_darwin.c: In function 'ffi_call':
> src/powerpc/ffi_darwin.c:454: warning: passing argument 6 of  
> 'ffi_call_AIX' from incompatible pointer type
> src/powerpc/ffi_darwin.c:458: warning: passing argument 6 of  
> 'ffi_call_DARWIN' from incompatible pointer type
> make[4]: *** [src/powerpc/ffi_darwin.lo] Error 1
> make[3]: *** [all-recursive] Error 1
> make[2]: *** [all] Error 2
> libtool: install: `libffi.la' is not a valid libtool archive
> Try `libtool --help --mode=install' for more information.
> make[1]: *** [libffi/stamp.ffi.build] Error 1
> make[1]: *** Waiting for unfinished jobs....
> make: *** [all] Error 2

This looks like a libffi bug to me, so I'm CCing
libffi-discuss@sourceware.org

The 6th argument of ffi_call_AIX and ffi_call_DARWIN is given as
    void (*fn2)(void)
in the prototype, but they are being passed ffi_prep_args, which has
type
    void ffi_prep_args(extended_cif *ecif, unsigned *const stack)

The latest release (3.0.8) looks like it has the same problem.


Thanks
Ian


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