Separate Development

[Joel Sherrill <joel@OARcorp.com>]

Manuel Pedro Coutinho wrote:
> Hi
> 
> I'm trying to separate the RTEMS development so that a user can have 
> access to the modified RTEMS version but hasn't a real knowledge of it's 
> internal details.
> 
> Presently, I thought of making 3 different types of users:
> 
>  a RTEMS official version user
>  a development user that modifies the official version
>  a "dumb" user that uses the modified RTEMS version
> 
> the official version would have the cross-compiler and the RTEMS sources
> 
> the development user would have access to the official version but would 
> make "small" changes in order to include a new driver, BSP, etc.
> 
> the "dumb" user would use the compiled version of the development user.
> 
> The development user would have to be the more complex since it has to 
> modify at least the Makefile.am in some directories and possibly add new 
> ones (new driver or BSP). The modification of the original source tree 
> is out of the question because it may generate inconsistencies if the 
> process fails and stops at half-way, so an alternative way of building 
> is to have the copy of the directory structure of the RTEMS source 
> containing only the Makefiles and in the SUB_DIRS parameter place the 
> correct path (for example, if a directory and all of its sub-directories 
> were of the original package, then one only has to refer to that 
> directory and not copied its sub-directories to the development user 
> because the build process would continue through the original source)
> 
> Does anyone have suggestions about this process or have even done a 
> similar (or different)
> approach?

Ralf should wade in here but the general development direction for
RTEMS has been to separate out the "CPU Kit" from the "BSP Kit".
The CPU Kit could then but pre-compiled and the user would only
have to build a BSP.  Is this what you are trying for or are you
trying to ship a custom BSP?

> Many thanks
> 
> Manuel Coutinho
> 
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-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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