Re: Configuring an IOC to -not- build for host arch

[Andrew Johnson <anj@aps.anl.gov>]

Hi Mark,

On 2011-08-31 Vigder, Mark wrote:
> This problem seems to have been discussed about a year ago,
> (http://www.aps.anl.gov/epics/tech-talk/2010/msg01432.php) but I still
>  can't solve it. I have a linux-x86_64 host and a linux-x86 target. I want
>  to build IOC's and libraries for the target only, not for the host.
> 
> As mentioned below, both my host and target have the same OS class, so I
> can't use the PROD_IOC_<osclass> to differentiate them.
> 
> I tried the BUILD_FOR_HOST_ARCH set to the empty string as suggested below.
> I set that variable in the IOC's '<TOP>/configure/CONFIG_SITE'. But that
> still built for the host as well as the target.

Use something like this in your Makefile:

PROD_IOC_linux-x86 = <products you want to build here>
PROD_IOC += $(PROD_IOC_$(T_A))

That adds the list of products to PROD_IOC only when T_A is linux-x86; for 
other values of T_A they will not be included.

- Andrew
-- 
Optimization is the process of taking something that works and
replacing it with something that almost works, but costs less.
-- Roger Needham