[ECOS] Re: newbie : configure fails with error "Unable to figure out how to do 64 bit arithmetic"

John Dallaway john@dallaway.org.uk
Mon Jul 13 10:21:00 GMT 2009

Hi Mandeep

Mandeep Sandhu wrote:

> I'm a first-timer with ecos.
> I've downloaded ecos (along with the pre-built GNU toolchains -
> arm-eabi) using the "ecos-install.tcl" script.
> As per instructions I made a new "build" dir and tried to run
> "configure" from inside it.

You need to use either the GUI eCos Configuration Tool or the
command-line "ecosconfig" tool to configure the eCos run-time code. Ref:


John Dallaway

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