Re: Still make errors

[Kevin Ryde]

Ron de <address@hidden> writes:
>
> I now get messages like: 
> entering directory x
> "nothing to be done for 'all'"
> leaving directory x

There'll be a few for which that's normal, but say when it gets to the
"mpn" directory it should do some building.

> I didn't downloaded the entire develop Cygwin
> components. Is it necessary for GMP to have all
> develop components installed? 

Those considered "standard" for gnu packages certainly, plus m4, which
is standard on proper unix-like systems.

> The precize error(on the end of the output is):
> In file included from mp_bases.c:31:
> ../gmp-impl.h:39:24: gmp-mparam.h: No such file or
> directory

That file is supposed to be setup by configure as a symlink to
mpn/x86/gmp-mparam.h, or one in a subdirectory for a particular exact
CPU type.  You might need to check "ln" has done its job.

> P.S. I noticed GMP (on the web) is significantly
> faster than another I downloaded. 

The one on the gmp home page was built for the exact cpu it's running
on, and using gcc, which is normally the key to top speed.

A couple of people have published binaries for ms windows that didn't
use the gmp assembler code, which is pretty much asking for anything
from a 2x to 5x slowdown.  Of course one has to get something working
before worrying too much how fast it goes.


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