> While you are adding this to fink, would it be possible to use some
> MacOS X system call to detect the presence of 64-bit support on the
> processor? I have thought it would be handy to have such a flag as
> available for checking in info scripts for such cases as a
> gcc42-64-bit package (which would be a native 64-bit build of the gcc
> compiler itself).
Hi all,
One thing I've found works is to compile a 64-bit dummy binary at
patch-time or configure-time.
% echo "int main(int, char*[]) { return 0; }" > test64.cc
% g++ -m64 test64.cc -o test64
% ./test64 > /dev/null 2>&1
the execution will fail if 64-bit is unsupported. Does this suffice?
I was able to test an early draft of your gcc4 packaging that way (back
when we wanted to conditionally --disable-multilib).
Maybe even useful as a pseudo-package for 64b dependency tracking?
David Fang
Computer Systems Laboratory
Electrical & Computer Engineering
Cornell University
http://www.csl.cornell.edu/~fang/
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