asterisk users - Mar 2009 - Compiling OSLEC in Dahdi w/ Intel Optimizations

I am about to setup a new machine and based on a thread in the freetel-oslec
list, I came across the idea of compiling Intel optimizations in when using
oslec w/ dahdi. So I edit
dahdi-linux-complete-2.1.0.4+2.1.0.2/linux/drivers/dahdi/dahdi_config.h
to #define CONFIG_DAHDI_MMX which on its own wont compile. It was suggested to
edit dahdi-linux-complete-2.1.0.4+2.1.0.2/linux/drivers/dahdi/Kbuild and add
CFLAGS_MODULE += -I\$(DAHDI_INCLUDE) -I\$(src) -DUSE_MMX -DUSE_SSE2 but that
didn't help.

Why does enabling the mmx in dahdi_config.h break compilation? And is it even
worthwhile to enable?

Thanks!
jlc

2009/3/10 Joseph L. Casale <JCasale at activenetwerx.com>
> I am about to setup a new machine and based on a thread in the
> freetel-oslec
> list, I came across the idea of compiling Intel optimizations in when using
> oslec w/ dahdi. So I edit dahdi-linux-complete-2.1.0.4+
> 2.1.0.2/linux/drivers/dahdi/dahdi_config.h
> to #define CONFIG_DAHDI_MMX which on its own wont compile. It was suggested
> to
> edit dahdi-linux-complete-2.1.0.4+2.1.0.2/linux/drivers/dahdi/Kbuild and
> add
> CFLAGS_MODULE += -I\$(DAHDI_INCLUDE) -I\$(src) -DUSE_MMX -DUSE_SSE2 but
> that
> didn't help.
>
> Why does enabling the mmx in dahdi_config.h break compilation?

Do you imply it compiles without Intel optimizations ?

And is it even
> worthwhile to enable?
>
> Thanks!
> jlc
>
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