[yocto] Preventing a variable from being cached

[Paul Knopf]

If I add whitespace to the recipe, it works. It will read the new
BUILD_GIT_POSITION and trigger commands to be re-run if it was changed.

How do I make it so that a recipe file is never cached, and reparsed?
Parsing is fine, since it BUILD_GIT_POSITION doesn't change, the commands
do_compile don't get run. However, if it does change, do_compile does get
called (which is what I want).

On Thu, Dec 7, 2017 at 3:22 PM, Paul Knopf <pauldotknopf at gmail.com> wrote:

> I have all my meta-layers and build conf files checked into a single
> repository (submodules for layers). I want a recipe to look at the git
> repository, and place a file in the build. I'd like this repository to read
> the HEAD, and decide if it needs to be rebuilt (to put new file in image)
> based off of HEAD/branch location.
>
> On Thu, Dec 7, 2017 at 11:15 AM, Alexander Kanavin <
> alexander.kanavin at linux.intel.com> wrote:
>
>> On 12/07/2017 05:47 PM, Paul Knopf wrote:
>>
>>> I take it that this is not possible?
>>>
>>
>> A recipe will rebuild if you change SRCREV or SRC_URI in it. What are you
>> trying to do?
>>
>> Alex
>>
>
>
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