Problem trying to configure / build when using "--program-prefix" option

Ralf Corsepius ralf.corsepius@rtems.org
Tue Apr 19 09:58:00 GMT 2011


On 04/19/2011 11:23 AM, David Paterson wrote:
> On Tue, Apr 19, 2011 at 9:47 AM, Federico Terraneo<fede.tft@hotmail.it>  wrote:

> Thanks Federico, that works great :-)  I'd seen those listed in the configure
> options so should have given them a try.  I did expect that setting the prefix
> would point the configure system at the correct tools though...
--program-prefix is not what you assume it to be ... it is the "prefix" 
which is prepended to cross-tools when a package creates tools 
(application). As newlib is a mere library, it do doesn't build any 
tools, so --program-prefix is not meaningful to newlib.

That said, the toplevel configure script uses the value being passed to 
--target=<TARGET> as "program-prefix" of the toolchain to be used. I.e. 
if you are building for --target=<something>, it expects to find tools 
named "<something>-*" in $PATH.


Ralf



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