[ptxdist] PTXdist variables

[Stranz Jan-Marc <JM.Stranz@gantner-instruments.com>]

Hi Juergen,

I know this document you have pointed to very well; I've already been working with PTXdist some time.
But looking around existing rules I see, there are a lot useful ptxdist variables and these variables are not described in any documentation I've seen.
For example: there is a variable PROJECT_SPECIFIC_DIR; very useful for a rule that adds files to the root file system.
Other variables are PTXCONF_ARCH_STRING, PTXCONF_KERNEL_CONFIG, PTXCONF_COMPILER_PREFIX, ... and so on.
It is very hard to find out these variables; at the moment I see these only "by accident".

Is there an deterministic way to obtain the list of existent variables for a project?

Best regards,
Jan-Marc.




-----Ursprüngliche Nachricht-----
Von: Juergen Borleis [mailto:jbe@pengutronix.de] 
Gesendet: Montag, 24. August 2015 11:16
An: ptxdist@pengutronix.de
Cc: Stranz Jan-Marc <JM.Stranz@gantner-instruments.com>
Betreff: Re: [ptxdist] PTXdist variables

Hi Jan-Marc,

On Friday 14 August 2015 14:23:46 Stranz Jan-Marc wrote:
> When I'm writing a user defined rule I should use ptxdist variables 
> instead absolute paths or values.
>
> There a lot of variables available in a project (e.a.
> PTXDIST_CROSS_CPPFLAGS, PTXDIST_CROSS_LDFLAGS, PTXDIST_PLATFORMCONFIG, 
> PTXCONF_GNU_TARGET, ....), but from where do I know the names of these 
> variables? How can I obtain a list about available variables for a project?

For example: [1] section 5.1

Regards
Juergen

[1]
http://www.pengutronix.de/software/ptxdist/appnotes/OSELAS.BSP-Pengutronix-Generic-arm-Quickstart.pdf

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