[Ns-developers] build system proposal

[Tom Henderson]

Mathieu Lacage wrote:
> comments below,
> 
> On Tue, 2008-09-30 at 16:36 +0000, Tom Henderson wrote:
> 
>> ns-3-allinone/
>>              download.py
>>              install.py
>>
>> After invoking download.py, it would look something like this:
>>
>> ns-3-allinone/
>>              ns-3-dev/
>>              pybindgen-dev/
>>              nsc-dev/
>>              ns-3-dev-ref-traces/
>>              download.py
>>              install.py
>>
>> At any time when invoked later, download.py will synchronize all
>> repos, 
>> or if passed an argument or set of arguments, will synchronize all of
>> the 
>> named repos only.  Note:  Craig has suggested that maybe a separate
>> script called "sync.py" or something like that could be used to do the
>> later synchronization, and not reuse "download.py".
> 
> 
> I would support instead making download.py require a mandatory argument.
> 
> ./download.py --> do nothing, print help output.
> ./download.py all --> download everything
> ./download.py nsc --> download nsc
> ./download.py nsc ns-3 --> download nsc and ns-3.
> 
>> To update ns-3-dev, a developer in the ns-3-dev directory may either:
>> i) hg pull (as usual)
>> ii) ../sync.py ns-3-dev  (same outcome as i)
>> iii) ../sync.py in which case everything is synchronized
> 
> I would suggest again "../sync.py all" to avoid spurious unwanted
> updates.
> 
> Mathieu
> 

Any other comments on this proposal?  If not, we'll take steps to 
implement it with Mathieu's additional suggestion.

Tom