IRIX 6.5 and libffi (ffcall???)

[Jonathan Greenberg]

Hey, I am trying to get libffi to install under IRIX 6.5-- I found a 
rather cryptic explanation for getting it to work in the README:

***
By default, the configure script will try to build libffi with the GNU
development tools. To build libffi with the SGI development tools, set
the environment variable CC to either "cc -32" or "cc -n32" before
running configure under Irix 6.x (depending on whether you want an o32
or n32 library), or just "cc" for Irix 5.3.

With the n32 calling convention, when returning structures smaller
than 16 bytes, be sure to provide an RVALUE that is 8 byte aligned.
Here's one way of forcing this:

        double struct_storage[2];
        my_small_struct *s = (my_small_struct *) struct_storage;
        /* Use s for RVALUE */
***

Should I use ffcall?  I have TCL,TK,BLT,zlib and libpng all installed 
in /home/mydir/swarm -- what EXACTLY do I need to type to get either 
of these things (ffcall or libffi) working?  Thanks!



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Jonathan Greenberg
Graduate Group in Ecology, U.C. Davis
http://www.anthro.ucdavis.edu/~greenberg
AIM: jgrn307
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